--- title: "$19 Cheap flights from Ontario, CA - Expedia.com" description: "Cheap flights from Ontario , CA to all destinations. Find best deals for flights from Ontario , CA from top airlines with great prices at Expedia.com." canonical: "https://www.expedia.com/lp/flights/2680/flights-from-ontario" language: en-US market: US currency: USD prices_as_of: 2026-11-12T22:13:49Z --- # $19 Cheap flights from Ontario, CA [View $19 flight on Sat, Jan 23, 2027](https://www.expedia.com/Flights-Search?leg1=from:SNA,to:PHX,departure:1/23/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:18.98&airProductToken=AQoxCi8IxnISBDE3MjAYsgMg77kBKLypowMwl6qjAzhFQABYAWoEUENfMXIHSzIxU1hTMxIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0) ## Popular airlines from Ontario Alaska Airlines United American Airlines Delta Frontier Airlines JetBlue Airways Southwest Airlines ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Today's featured flight deals from Ontario Expedia compares millions of flights to find the best value deals for where you want to go. Nonstop Carry-on included Lower price than typical - [Select Delta flight departing on Wed, Dec 23 at 11:55pm from Los Angeles, returning on Sun, Jan 3 at 5:00am from New York priced at $558](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:JFK,departure:12/23/2026TANYT&leg2=from:EWR,to:LAX,departure:1/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-c949e4243dcf43c097e6f2bde3a64568-2155-1-st-v5-sos-c949e4243dcf43c097e6f2bde3a64568-1915-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAcmWpGeQAQaQASGqAQcKA0xBWBAAsgEHCgNOWUMQAA~AQo3CjUIxJgBEgM5MTUYi7gBIKlRKNvQoAMwpdOgAzhFQABYAWoJTUFJTkJBU0lDcghYQVZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE.AQpqCjMIwYIBEgQxNTc1GMSNASDimgEomMKhAzCTw6EDOEJAAFgBagVCQVNJQ3IIUVdBS1pTQloKMwjBggESBDI5NjcY4poBIIu4ASiDxKEDMMzGoQM4QkABWAFqBUJBU0lDcghRV0FLWlNCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=1167.00&displayPrice=557.60&src=dflp) Los Angeles (LAX) · New York (JFK) · Nonstop · 10-day trip · found 23 hours ago · 40% less than typic · al - [Select Delta flight departing on Wed, Dec 23 at 11:55pm from Los Angeles, returning on Sun, Dec 27 at 8:01am from New York priced at $623](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:JFK,departure:12/23/2026TANYT&leg2=from:JFK,to:LAX,departure:12/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-e8767ce0b1ad45478a11278427265ebb-2094-1-st-v5-sos-e8767ce0b1ad45478a11278427265ebb-1852-1~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAd-lpmeQARmQARmqAQcKA0xBWBABsgEHCgNOWUMQAg~AQo3CjUIxJgBEgM5MTUYi7gBIKlRKNvQoAMwpdOgAzhFQABYAWoJTUFJTkJBU0lDcghYQVZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE.AQowCi4IwmwSBDIyMjMYqVEgi7gBKO30oAMw7fegAzhMQABYAWoCRE5yCFdJNEFVRVkxEgoIARABGAEqAkI2GAEiBAgBEAEoAigDKAQwAQ&medianPrice=1078.00&displayPrice=622.80&src=dflp) Los Angeles (LAX) · New York (JFK) · Nonstop · 3-day trip · found 14 hours ago · 25% less than typical - [Select Delta flight departing on Wed, Dec 23 at 11:55pm from Los Angeles, returning on Sun, Dec 27 at 7:00am from New York priced at $623](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:JFK,departure:12/23/2026TANYT&leg2=from:JFK,to:LAX,departure:12/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-bbee2fa3fc4d4e078aeeff943204d97f-2088-1-st-v5-sos-bbee2fa3fc4d4e078aeeff943204d97f-1855-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZGlpmeQARiQARiqAQcKA0xBWBABsgEHCgNOWUMQAsABAA~AQo3CjUIxJgBEgM5MTUYi7gBIKlRKNvQoAMwpdOgAzhFQABYAWoJTUFJTkJBU0lDcghYQVZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE.AQovCi0IwmwSAzUyMxipUSCLuAEosPSgAzCr96ADOExAAFgBagJETnIIV0k0QVVFWTESCggBEAEYASoCQjYYASIECAEQASgCKAMoBDAB&medianPrice=1078.00&displayPrice=622.80&src=dflp) Los Angeles (LAX) · New York (JFK) · Nonstop · 3-day trip · found 14 hours ago · 25% less than typical - [Select Alaska Airlines flight departing on Mon, Nov 16 at 3:03pm from Los Angeles, returning on Sat, Nov 21 at 2:15pm from Seattle priced at $290](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SEA,departure:11/16/2026TANYT&leg2=from:SEA,to:LAX,departure:11/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-a1ca3da5240b4e4fa960b1c534e91ad2-70-16~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBls2oZ6oBBwoDTEFYEAGyAQcKA1NFQRAB~AQowCi4IwaYBEgM1ODUYi7gBIJIBKKesnQMw062dAzhYQABYAWoCU1ZyCFFIMkVBVkJOCjEKLwjBpgESBDE1MjMYkgEgi7gBKJfknQMwt-WdAzhYQABYAWoCU1ZyCE9IMkVYVkJOEgoICRACGAIqAkFTGAEiBAgBEAEoBygDMAE&medianPrice=600.00&displayPrice=289.22&src=dflp) Los Angeles (LAX) · Seattle (SEA) · Nonstop · 4-day trip · found 3 hours ago · 40% less than typical - [Select Alaska Airlines flight departing on Thu, Nov 19 at 10:00am from Los Angeles, returning on Sun, Nov 22 at 2:15pm from Seattle priced at $310](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SEA,departure:11/19/2026TANYT&leg2=from:SEA,to:LAX,departure:11/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-45c5bdb600a842199f52f44496e8e123-50-16~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB7IalZ6oBBwoDTEFYEACyAQcKA1NFQRAA~AQoxCi8IwaYBEgQxNjUzGIu4ASCSASjYy50DMITNnQM4WEAAWAFqAlNWcghRSDJFQVZCTgoxCi8IwaYBEgQxNTIzGJIBIIu4ASi3750DMNfwnQM4WEAAWAFqAlNWcghRSDJFQVZCThIKCAkQAhgCKgJBUxgBIgQIARABKAcoAzAB&medianPrice=627.00&displayPrice=309.49&src=dflp) Los Angeles (LAX) · Seattle (SEA) · Nonstop · 3-day trip · found 19 hours ago · 40% less than typical - [Select Alaska Airlines flight departing on Wed, Nov 18 at 3:03pm from Los Angeles, returning on Sun, Nov 22 at 1:14pm from Seattle priced at $281](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SEA,departure:11/18/2026TANYT&leg2=from:SEA,to:LAX,departure:11/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-3d28921264604ef89b9899230aad5313-94-16~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBv8OkZ6oBBwoDTEFYEACyAQcKA1NFQRAA~AQowCi4IwaYBEgM1ODUYi7gBIJIBKOfCnQMwk8SdAzhYQABYAWoCU1ZyCE9IMkVYVkJOCjAKLgjBpgESAzQ4NxiSASCLuAEo-u6dAzCa8J0DOFhAAFgBagJTVnIIUUgyRUFWQk4SCggJEAIYAioCQVMYASIECAEQASgHKAMwAQ&medianPrice=598.00&displayPrice=280.60&src=dflp) Los Angeles (LAX) · Seattle (SEA) · Nonstop · 3-day trip · found 22 hours ago · 45% less than typical - [Select American Airlines flight departing on Mon, Dec 21 at 5:26pm from Los Angeles, returning on Sat, Dec 26 at 10:45pm from Oahu priced at $505](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:HNL,departure:12/21/2026TANYT&leg2=from:HNL,to:LAX,departure:12/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-c840fd392afe450ea398c2e46f24867b-963-1-st-v5-sos-c840fd392afe450ea398c2e46f24867b-670-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAYerpGeQASuQAQCqAQcKA0xBWBAAsgEHCgNITkwQAA~AQozCjEIwYIBEgMyOTcYi7gBIKdbKJa3oAMwgrqgAzhCQABYAWoFQkFTSUNyCE5XQUpWTkJZEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw.AQphCi4I15wBEgQyMDQ1GKdbIJIrKO3yoAMwqPWgAzhHQABYAWoDV0dBcgdHWkFXVzJICi8I15wBEgQ0MDE4GJIrIIu4ASii96ADMPz3oAM4R0ABWAFqA1dHQXIHR1pBV1cySBIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=952.00&displayPrice=504.18&src=dflp) Los Angeles (LAX) · Oahu (HNL) · Nonstop · 5-day trip · found 23 hours ago · 35% less than typical - [Select American Airlines flight departing on Tue, Dec 22 at 5:26pm from Los Angeles, returning on Sat, Dec 26 at 10:45pm from Oahu priced at $540](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:HNL,departure:12/22/2026TANYT&leg2=from:HNL,to:LAX,departure:12/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-11a66d6de93949029c668c7c268d42b7-838-1-st-v5-sos-11a66d6de93949029c668c7c268d42b7-752-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAfOopmeQAQGQAQCqAQcKA0xBWBAAsgEHCgNITkwQAA~AQozCjEIwYIBEgMyOTcYi7gBIKdbKLbCoAMwosWgAzhCQABYAWoFQkFTSUNyCEcwQVdWTkJZEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw.AQphCi4I15wBEgQyMDQ1GKdbIJIrKO3yoAMwqPWgAzhHQABYAWoDV0dBcgdHWkFXVzJICi8I15wBEgQxODU1GJIrIIu4ASjv-KADMMn5oAM4R0ABWAFqA1dHQXIHR1pBV1cySBIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=967.00&displayPrice=539.08&src=dflp) Los Angeles (LAX) · Oahu (HNL) · Nonstop · 4-day trip · found 13 hours ago · 30% less than typical - [Select American Airlines flight departing on Tue, Dec 22 at 3:18pm from Los Angeles, returning on Mon, Jan 4 at 10:43pm from Oahu priced at $559](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:HNL,departure:12/22/2026TANYT&leg2=from:HNL,to:LAX,departure:1/4/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-4908f775fb05481cae373c72ad55fa9d-439-1-st-v5-sos-4908f775fb05481cae373c72ad55fa9d-440-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAf2spGeQAQaQAQKqAQcKA0xBWBAAsgEHCgNITkwQAA~AQozCjEIwYIBEgMxNDMYi7gBIKdbKLbBoAMwosSgAzhCQABYAWoFQkFTSUNyCEcwQVdWTkJZEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw.AQpoCjEIwYIBEgM2OTIYp1sg77kBKIvYoQMw8NqhAzhCQABYAWoFQkFTSUNyCE5XQUlWU0JZCjMIwYIBEgQzMTIyGO-5ASCLuAEosduhAzCa3KEDOEJAAVgBagVCQVNJQ3IITldBSVZTQlkSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL&medianPrice=961.00&displayPrice=558.08&src=dflp) Los Angeles (LAX) · Oahu (HNL) · Nonstop · 13-day trip · found 22 hours ago · 25% less than typical - [Select American Airlines flight departing on Wed, Nov 25 at 2:04pm from Los Angeles, returning on Sun, Nov 29 at 7:00am from San Francisco priced at $287](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SFO,departure:11/25/2026TANYT&leg2=from:SFO,to:LAX,departure:11/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-b6146b21275c48a283f04e62e928b966-1778-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB6tGlZ5ABBaoBBwoDUUxBEAKyAQcKA1NGTxAB~AQo0CjIIwYIBEgQ2MzI0GIu4ASCycSiMkZ4DMPGRngM4QkAAWAFqBUJBU0lDcghRMEFaVU5CWAo0CjIIwYIBEgQyMjExGLJxIIu4ASjkup4DML67ngM4QkAAWAFqBUJBU0lDcghOMEFaWk5CWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=672.00&displayPrice=286.80&src=dflp) Los Angeles (LAX) · San Francisco (SFO) · Nonstop · 3-day trip · found 17 hours ago · 45% less than typical - [Select American Airlines flight departing on Sat, Nov 21 at 9:35pm from Los Angeles, returning on Sat, Nov 28 at 7:00am from San Francisco priced at $247](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SFO,departure:11/21/2026TANYT&leg2=from:SFO,to:LAX,departure:11/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-0081b9a06e374855b206b021211e1e32-2067-1-st-v5-sos-0081b9a06e374855b206b021211e1e32-1955-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAer7qGeQASmQAS2qAQcKA0xBWBAAsgEHCgNTRk8QAA~AQo0CjIIwYIBEgQ2MjYwGIu4ASCycSjP550DMLXonQM4QkAAWAFqBUJBU0lDcghRMEFaVU5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs.AQo0CjIIwYIBEgQyMjExGLJxIIu4ASjEr54DMKOwngM4QkAAWAFqBUJBU0lDcghRMEFaVU5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=428.00&displayPrice=246.82&src=dflp) Los Angeles (LAX) · San Francisco (SFO) · Nonstop · 6-day trip · found 1 hour ago · 30% less than typical - [Select American Airlines flight departing on Sat, Nov 21 at 2:04pm from Los Angeles, returning on Sat, Nov 28 at 7:00am from San Francisco priced at $247](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SFO,departure:11/21/2026TANYT&leg2=from:SFO,to:LAX,departure:11/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-bfd99b36447b486dbfe2963818599d52-1960-1-st-v5-sos-bfd99b36447b486dbfe2963818599d52-1951-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAer7qGeQASmQAS2qAQcKA0xBWBAAsgEHCgNTRk8QAA~AQo0CjIIwYIBEgQ2MzI0GIu4ASCycSiM5J0DMPHknQM4QkAAWAFqBUJBU0lDcghRMEFaVU5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs.AQo0CjIIwYIBEgQyMjExGLJxIIu4ASjEr54DMKOwngM4QkAAWAFqBUJBU0lDcghRMEFaVU5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs&medianPrice=428.00&displayPrice=246.82&src=dflp) Los Angeles (LAX) · San Francisco (SFO) · Nonstop · 6-day trip · found 1 hour ago · 30% less than typical Show more deals ## Cheapest flights from Ontario Prices were available within the past 7 days and start at $19 for one-way flights and $38 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Frontier Airlines flight, departing Sat, Dec 5 from Ontario to Las Vegas, returning Tue, Dec 8, priced at $38 Just found](https://www.expedia.com/Flights-Search?leg1=from:ONT,to:LAS,departure:12/5/2026TANYT&leg2=from:LAS,to:ONT,departure:12/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:37.96&airProductToken=AQoyCjAIxnISBDIyMzIYrpsBIIuQASiM%5F54DMM7%5FngM4RUAAWAFqBFBDXzFyB0syMVNYUzMKMgowCMZyEgQxMzU3GIuQASCumwEo5aGfAzCnop8DOEVAAFgBagRQQ18xcgdLMjFFWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Sat, Dec 5 - Tue, Dec 8 · ONT · Roundtrip [Select Frontier Airlines flight, departing Sat, Dec 5 from Los Angeles to Las Vegas, returning Wed, Dec 9, priced at $38 Just found](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:LAS,departure:12/5/2026TANYT&leg2=from:LAS,to:LAX,departure:12/9/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:37.96&airProductToken=AQoyCjAIxnISBDExODQYi7gBIIuQASik%5Fp4DMPD-ngM4RUAAWAFqBFBDXzFyB0syMVNYUzMKMgowCMZyEgQxMTgzGIuQASCLuAEomrCfAzDqsJ8DOEVAAFgBagRQQ18xcgdLMjFYWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Sat, Dec 5 - Wed, Dec 9 · LAX · Roundtrip [Select Frontier Airlines flight, departing Sat, Jan 23 from Orange County to Phoenix, returning Sat, Jan 30, priced at $40 Found 2 hours ago](https://www.expedia.com/Flights-Search?leg1=from:SNA,to:PHX,departure:1/23/2027TANYT&leg2=from:PHX,to:SNA,departure:1/30/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:39.48&airProductToken=AQoxCi8IxnISBDE3MjAYsgMg77kBKLypowMwl6qjAzhFQABYAWoEUENfMXIHSzIxU1hTMwoxCi8IxnISBDQ5NTcY77kBILIDKJb3owMw7PejAzhFQABYAWoEUENfMXIHSzIxU1hTMxIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0) Sat, Jan 23 - Sat, Jan 30 · SNA · PHX · Roundtrip [Select Frontier Airlines flight, departing Tue, Dec 1 from Los Angeles to Phoenix, returning Wed, Dec 2, priced at $79 Found 6 hours ago](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:PHX,departure:12/1/2026TANYT&leg2=from:PHX,to:LAX,departure:12/2/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:78.96&airProductToken=AQoyCjAIxnISBDM2MDYYi7gBIO-5ASjO1p4DMK3XngM4RUAAWAFqBFBDXzFyB0sxNEVYUzMKMgowCMZyEgQzMzAzGO-5ASCLuAEo%5F9ueAzDY3J4DOEVAAFgBagRQQ18xcgdaMTRYWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Tue, Dec 1 - Wed, Dec 2 · LAX · PHX · Roundtrip [Select Frontier Airlines flight, departing Mon, Dec 7 from Los Angeles to Seattle, returning Mon, Dec 7, priced at $81 Found 2 hours ago](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SEA,departure:12/7/2026TANYT&leg2=from:SEA,to:LAX,departure:12/7/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:80.84&airProductToken=AQoxCi8IxnISBDExNzcYi7gBIJIBKLCZnwMw55qfAzhFQABYAWoEUENfMXIHSzIxTlhTMwpjCi8IxnISBDQyMDQYkgEgi5ABKKibnwMwx5yfAzhFQABYAWoEUENfMXIHSzIxTlhTMwowCMZyEgQyMjYzGIuQASCLuAEorqOfAzD9o58DOEVAAVgBagRQQ18xcgdLMjFOWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Mon, Dec 7 - Mon, Dec 7 · LAX · SEA · Roundtrip [Select Allegiant Air flight, departing Thu, Dec 17 from Orange County to Mesa, returning Thu, Dec 24, priced at $84 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:SNA,to:AZA,departure:12/17/2026TANYT&leg2=from:AZA,to:SNA,departure:12/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:84.00&airProductToken=AQoqCigIx2gSAzczOBiyAyCgBijni6ADMMKMoAM4SkAAWAFqAkRGcgRKTkVXCioKKAjHaBIDNzU2GKAGILIDKLLWoAMwj9egAzhMQABYAWoCREZyBExORVcSCggBEAEYASoCRzQYASIECAEQASgCKAMoBDAN) Thu, Dec 17 - Thu, Dec 24 · SNA · AZA · Roundtrip [Select Frontier Airlines flight, departing Fri, Jan 29 from Orange County to Las Vegas, returning Sat, Feb 6, priced at $85 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:SNA,to:LAS,departure:1/29/2027TANYT&leg2=from:LAS,to:SNA,departure:2/6/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:84.59&airProductToken=AQoxCi8IxnISBDM3MzgYsgMgi5ABKJ3towMw5-2jAzhFQABYAWoEUENfMXIHSzIxSVhTORIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0) Fri, Jan 29 - Sat, Feb 6 · SNA · Roundtrip [Select Southwest Airlines flight, departing Wed, Dec 16 from Long Beach to Phoenix, returning Wed, Dec 23, priced at $117 Found 4 hours ago](https://www.expedia.com/Flights-Search?leg1=from:LGB,to:PHX,departure:12/16/2026TANYT&leg2=from:PHX,to:LGB,departure:12/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:116.80&airProductToken=AQowCi4I15wBEgM0MzMYywkg77kBKIv7nwMw2%5FufAzhWQABYAWoDV0dBcgdWRE5WTjJFCjEKLwjXnAESBDM0NTAY77kBIMsJKOHOoAMwsc-gAzhWQABYAWoDV0dBcgdWRE5WTjJFEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ) Wed, Dec 16 - Wed, Dec 23 · LGB · PHX · Roundtrip [Select Alaska Airlines flight, departing Fri, Dec 11 from Los Angeles to Seattle, returning Sun, Dec 13, priced at $157 Just found](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:PAE,departure:12/11/2026TANYT&leg2=from:PAE,to:LAX,departure:12/13/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:156.80&airProductToken=AQozCjEIwaYBEgM1MTYYi7gBII8gKPbFnwMwpsefAzhYQABYAWoFU0FWRVJyCEdIMkVBVkJOCjQKMgjBpgESBDIyNzgYjyAgi7gBKPTYnwMwm9qfAzhYQABYAWoFU0FWRVJyCEdIMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) Fri, Dec 11 - Sun, Dec 13 · LAX · PAE · Roundtrip [Select Bargain Flight flight, departing Thu, Dec 10 from Orange County to Seattle, returning Sun, Dec 13, priced at $175 Found 1 hour ago](https://www.expedia.com/Flights-Search?leg1=from:SNA,to:SEA,departure:12/10/2026TANYT&leg2=from:SEA,to:SNA,departure:12/13/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:174.73&airProductToken=AQowCi4IwaYBEgQxMzI1GLIDIJIBKLW2nwMw8refAzhYQABYAWoCU1ZyCEdIMkVBVkJOCjAKLgjBpgESBDE3MDMYkgEgsgMood6fAzDE358DOFhAAFgBagJTVnIIR0gyRUFWQk4SDAgJEAIYAioCQVMyABgBIgQIARABKAcoAzAB) Thu, Dec 10 - Sun, Dec 13 · SNA · SEA · Roundtrip ## How to Find Cheap Flights from Ontario, CA ### How much is a flight from Ontario? This week, flights from Ontario are available between $38 – $175\. ### How to find cheap flights from Ontario? Expedia makes it easy to compare cheap flights from Ontario to many destinations. Check out excellent deals on domestic and international flights from Ontario. Once you select an offer, use our filters and sort by “Price (Lowest)” to see some of the cheapest and suitable options. ### How can I get the best deal on flights from Ontario? On Expedia, you have some of best airline ticket deals at your fingertips. Whether it’s a beach escape with your partner, a family vacation with your kids, or business trip with colleagues, these low airline ticket prices mean more savings for you. An excellent strategy for finding some of the best deals on flights from Ontario is to be flexible with your dates. Within each offer, you can compare prices for similar timeframes using our “Show flexible dates” feature. Depending on your destination, direct flights from Ontario may be more expensive. Airlines with strict bag policies or fees can also impact your costs. ### What is the best airline to fly from Ontario? At Expedia, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Ontario with: Frontier Airlines, Allegiant Air, Southwest Airlines, Alaska Airlines. ### What is the best month to fly from Ontario? One of the cheapest times to fly from Ontario airport(s) is December, based on the current list of flights available now. Prices on plane tickets vary considerably throughout the year due to availability and seasonal demand. ### Are there any last-minute flights from Ontario? Expedia is the place to find last-minute flights from Ontario, making it easy for you to compare prices on flights in the near future for different combinations of travel dates and from multiple airlines. We source some of the best deals for you and display some of the best offers available over the next 2 weeks. ### Why book your ticket with Expedia? Booking flights from Ontario with Expedia is the obvious choice to get low prices, save money, and see more value from every dollar spent. We show you some of the best deals happening right now and provide a vast inventory of airlines and flight routes to choose from, so you can find some of the cheapest flights from Ontario. You can customize your journey to your timeline, route preferences, budget, rewards programs, and more. ### Can I change/cancel my flight? Some flights can be changed or canceled, but fees and refunds will depend on the unique terms of your flight agreement. Airlines have different rules and restrictions for exchanging or refunding flights. For more information, go to your itinerary or visit our [customer service portal](https://www.expedia.com/service/). We recommend choosing flights with no change fees for the most flexibility. Filter by “Flexible change policies” to see flights with no change fees. ## Travel information | Origin city name | Los Angeles | | ------------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Origin airport | Los Angeles Intl. | | Origin airport IATA code | LAX | | Airlines serving | Alaska Airlines, American Airlines, United, Delta, Frontier Airlines, JetBlue Airways, Air Canada, Southwest Airlines, Aeromexico, Singapore Airlines, Cathay Pacific, All Nippon Airways, Korean Air, Japan Airlines, Qantas Airways, Volaris, Lufthansa, EVA Airways, Turkish Airlines, Philippine Airlines, China Airlines, Asiana Airlines, British Airways, Starlux Airlines, Avianca, Emirates, Swiss International Air Lines, China Southern Airlines, WestJet, China Eastern Airlines, Iberia, YP, Brussels Airlines, SAS, Copa, KLM | | Popular airline | Alaska Airlines | | Roundtrip price | $38 | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Los Angeles Hotels](https://www.expedia.com/Los-Angeles-Hotels.d178280.Travel-Guide-Hotels) - [Downtown Los Angeles Hotels](https://www.expedia.com/Downtown-Los-Angeles-Los-Angeles-Hotels.0-n800058-0.Travel-Guide-Filter-Hotels) - [Hotels near Disneyland® Resort](https://www.expedia.com/Disneyland-Resort-Hotels.0-l6025613-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Anaheim](https://www.expedia.com/Anaheim-Hotels-Cheap-Hotels.0-0-d5921-tCheapHotels.Travel-Guide-Filter-Hotels) - [Huntington Beach Hotels](https://www.expedia.com/Huntington-Beach-Hotels.d8165.Travel-Guide-Hotels) - [Hotels with Free Airport Shuttle in Los Angeles](https://www.expedia.com/Los-Angeles-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d178280-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Santa Monica Hotels](https://www.expedia.com/Santa-Monica-Hotels.d3220.Travel-Guide-Hotels) - [Newport Beach Hotels](https://www.expedia.com/Newport-Beach-Hotels.d8111.Travel-Guide-Hotels) - [Irvine Hotels](https://www.expedia.com/Irvine-Hotels.d7819.Travel-Guide-Hotels) - [Rancho Cucamonga Hotels](https://www.expedia.com/Rancho-Cucamonga-Hotels.d7732.Travel-Guide-Hotels) - [Long Beach Hotels](https://www.expedia.com/Long-Beach-Hotels.d2058.Travel-Guide-Hotels) - [Cabin Rentals in Big Bear Lake](https://www.expedia.com/Big-Bear-Lake-Cabins.d6919-aaCabins.Travel-Guide-Accommodation) - [Cheap Hotels in Los Angeles](https://www.expedia.com/Los-Angeles-Hotels-Cheap-Hotels.0-0-d178280-tCheapHotels.Travel-Guide-Filter-Hotels) - [Oceanfront Hotels in Laguna Beach](https://www.expedia.com/Laguna-Beach-Hotels-Oceanfront-Hotels.0-0-d8384-tOceanfrontHotels.Travel-Guide-Filter-Hotels) - [Ontario Hotels](https://www.expedia.com/Ontario-Hotels.d2680.Travel-Guide-Hotels) - [Anaheim Hotels](https://www.expedia.com/Anaheim-Hotels.d5921.Travel-Guide-Hotels) - [Hotels near Los Angeles Intl.](https://www.expedia.com/Los-Angeles-Intl-Airport-Hotels.0-aLAX-0.Travel-Guide-Filter-Hotels) - [Hotels near Universal Studios Hollywood](https://www.expedia.com/Universal-Studios-Hollywood-Hotels.0-l501594-0.Travel-Guide-Filter-Hotels) - [Flights from Upland](https://www.expedia.com/lp/flights/6575/flights-from-upland) - [Flights from Mira Loma](https://www.expedia.com/lp/flights/553248635975357428/flights-from-mira-loma) - [Flights from Montclair](https://www.expedia.com/lp/flights/182996/flights-from-montclair) - [Flights from Yorba Linda](https://www.expedia.com/lp/flights/10526/flights-from-yorba-linda) - [Flights from Portland (PDX) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/pdx/lax/portland-to-los-angeles) - [Flights from Seattle (SEA) to Ontario Intl. Airport (ONT)](https://www.expedia.com/lp/flights/sea/ont/seattle-to-ontario) - [Flights from New York (JFK) to Ontario Intl. Airport (ONT)](https://www.expedia.com/lp/flights/jfk/ont/new-york-to-ontario) - [Flights from Glendora](https://www.expedia.com/lp/flights/7998/flights-from-glendora) - [Flights from Houston (IAH) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/iah/lax/houston-to-los-angeles) - [Flights from Miami (MIA) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/mia/lax/miami-to-los-angeles) - [Flights from Portland (PDX) to Ontario Intl. Airport (ONT)](https://www.expedia.com/lp/flights/pdx/ont/portland-to-ontario) - [Flights from Sacramento (SMF) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/smf/lax/sacramento-to-los-angeles) - [Flights from San Gabriel Valley](https://www.expedia.com/lp/flights/553248635056398175/flights-from-san-gabriel-valley) - [Flights from Pomona](https://www.expedia.com/lp/flights/10632/flights-from-pomona) - [Flights from Dallas (DFW) to Ontario Intl. Airport (ONT)](https://www.expedia.com/lp/flights/dfw/ont/dallas-to-ontario) - [Flights from Fontana](https://www.expedia.com/lp/flights/8109/flights-from-fontana) - [Flights from Mount Baldy](https://www.expedia.com/lp/flights/6346934/flights-from-mount-baldy) - [Flights to Los Angeles](https://www.expedia.com/Cheap-Flights-To-Los-Angeles.d178280.Travel-Guide-Flights) - [Flights to Ontario](https://www.expedia.com/Cheap-Flights-To-Ontario.d2680.Travel-Guide-Flights) - [Flights from Bloomington](https://www.expedia.com/lp/flights/6351821/flights-from-bloomington) - [Flights from Seattle (SEA) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/sea/lax/seattle-to-los-angeles) - [Flights from Sacramento (SMF) to Ontario Intl. Airport (ONT)](https://www.expedia.com/lp/flights/smf/ont/sacramento-to-ontario) - [Flights from Hollywood Burbank](https://www.expedia.com/lp/airports/bur/flights-from-hollywood-burbank-airport) - [Flights from Las Vegas (LAS) to Ontario Intl. Airport (ONT)](https://www.expedia.com/lp/flights/las/ont/las-vegas-to-ontario) - [Flights from John Wayne](https://www.expedia.com/lp/airports/sna/flights-from-john-wayne-airport) - [Flights from Chino Hills](https://www.expedia.com/lp/flights/6048589/flights-from-chino-hills) - [Flights from Las Vegas (LAS) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/las/lax/las-vegas-to-los-angeles) - [Flights from Chicago (ORD) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/ord/lax/chicago-to-los-angeles) - [Flights from Philadelphia (PHL) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/phl/lax/philadelphia-to-los-angeles) - [Flights from La Verne](https://www.expedia.com/lp/flights/9447/flights-from-la-verne) - [Flights from Honolulu (HNL) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/hnl/lax/honolulu-to-los-angeles) - [Flights from San Francisco (SFO) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/sfo/lax/san-francisco-to-los-angeles) - [Flights from Jurupa Valley](https://www.expedia.com/lp/flights/553248635077705864/flights-from-jurupa-valley) - [Flights from Denver (DEN) to Ontario Intl. 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Airport](https://www.expedia.com/lp/airports/ont/flights-from-los-angeles-ontario-intl-airport) - [Flights from Rialto](https://www.expedia.com/lp/flights/6086/flights-from-rialto) - [Flights from Atlanta (ATL) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/atl/lax/atlanta-to-los-angeles) - [Flights from Azusa](https://www.expedia.com/lp/flights/5959/flights-from-azusa) - [Flights from New York (JFK) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/jfk/lax/new-york-to-los-angeles) - [Flights from San Dimas](https://www.expedia.com/lp/flights/9799/flights-from-san-dimas) - [Flights from Washington (DCA) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/dca/lax/washington-to-los-angeles) - [Flights from Phoenix (PHX) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/phx/lax/phoenix-to-los-angeles) - [Flights from Dallas (DFW) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/dfw/lax/dallas-to-los-angeles) - [Flights from Claremont](https://www.expedia.com/lp/flights/6504/flights-from-claremont) - [Flights from Detroit (DTW) to Los Angeles (LAX)](https://www.expedia.com/lp/flights/dtw/lax/detroit-to-los-angeles) - [Flights from San Francisco (SFO) to Orange County (SNA)](https://www.expedia.com/lp/flights/sfo/sna/san-francisco-to-orange-county) - [Flights from Newark Liberty Intl. 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Airport airport](https://www.expedia.com/Car-Rentals-In-Los-Angeles-Ontario-Intl.d5525071.Car-Rental-Guide) - [Car rental Ontario](https://www.expedia.com/Car-Rentals-In-Ontario.d2680.Car-Rental-Guide) - [Rental cars John Wayne airport](https://www.expedia.com/Car-Rentals-In-John-Wayne.d4279891.Car-Rental-Guide) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/2680/flights-from-ontario zh-CN: https://www.expedia.com/cn/lp/flights/2680/flights-from-ontario fr-CA: https://www.expedia.ca/fr/lp/vols/2680/vols-en-partance-de-ontario ar: https://www.expedia.sa/lp/flights/2680/flights-from-ontario en-CA: https://www.expedia.ca/lp/flights/2680/flights-from-ontario es-MX: https://www.expedia.mx/lp/vuelos/2680/vuelos-desde-ontario en-US: https://www.expedia.com/lp/flights/2680/flights-from-ontario ar-AE: https://www.expedia.ae/ar/lp/flights/2680/flights-from-ontario en-TW: https://www.expedia.com.tw/en/lp/flights/2680/flights-from-ontario es: https://www.expedia.com/es/lp/vuelos/2680/vuelos-desde-ontario ```