---
title: "$19 Cheap flights from San Ysidro, CA - Expedia.com"
description: "Cheap flights from San Ysidro , CA to all destinations. Find best deals for flights from San Ysidro , CA from top airlines with great prices at Expedia.com."
canonical: "https://www.expedia.com/lp/flights/8380/flights-from-san-ysidro"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-15T11:52:16Z
---

# $19 Cheap flights from San Ysidro, CA

[View $19 flight on Sat, Mar 6, 2027](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:SFO,departure:3/6/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:18.98&airProductToken=AQowCi4IxnISBDMzODEYkmggsnEogoKnAzDygqcDOEVAAFgBagRQQ18xcgdLMjFTWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ)

## Popular airlines from San Ysidro

Alaska Airlines

American Airlines

United

Delta

Southwest Airlines

Frontier Airlines

JetBlue Airways

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## Today's featured flight deals from San Ysidro

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 JetBlue Airways flight departing on Tue, Dec 15 at 9:29pm from San Diego, returning on Sun, Dec 20 at 8:05pm from Boston priced at $317](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:BOS,departure:12/15/2026TANYT&leg2=from:BOS,to:SAN,departure:12/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-668c5e12232c4afdafc7314d4de7d320-861-1-st-v5-sos-668c5e12232c4afdafc7314d4de7d320-762-1~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAbOhtWeqAQcKA1NBThAAsgEHCgNCT1MQAA~AQowCi4IwmwSBDIxMjAYkmggwZMBKMn1nwMwkvifAzhMQABYAWoCRE5yCFBJMlFCT1kxEgoIARABGAEqAkI2GAEiBAgBEAEoAigDKAQwAQ.AQpgCi4I15wBEgM3OTEYwZMBIKEDKOGroAMwi62gAzhFQABYAWoDV0dBcgdFTEFXUDJJCi4I15wBEgQ0NzcyGKEDIJJoKMetoAMw2q-gAzhFQAFYAWoDV0dBcgdFTEFXUDJJEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ&medianPrice=485.00&displayPrice=316.60&src=dflp)
San Diego (SAN) · Boston (BOS) · Nonstop · 4-day trip · found 7 hours ago · 2 · 5% less than typical
- [Select Southwest Airlines flight departing on Tue, Dec 15 at 11:25am from San Diego, returning on Sun, Dec 20 at 8:05pm from Boston priced at $317](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:BOS,departure:12/15/2026TANYT&leg2=from:BOS,to:SAN,departure:12/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-a26b70641cf24695af620e297144579d-1026-1-st-v5-sos-a26b70641cf24695af620e297144579d-1027-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAcTKs2eqAQcKA1NBThAAsgEHCgNCT1MQAA~AQoxCi8I15wBEgQ0NjcyGJJoIMGTASjt8J8DMLLznwM4VkAAWAFqA1dHQXIHVkROVkgySRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE.AQpgCi4I15wBEgM3OTEYwZMBIKEDKOGroAMwi62gAzhFQABYAWoDV0dBcgdFTEFXUDJJCi4I15wBEgQ0NzcyGKEDIJJoKMetoAMw2q-gAzhFQAFYAWoDV0dBcgdFTEFXUDJJEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ&medianPrice=484.00&displayPrice=316.60&src=dflp)
San Diego (SAN) · Boston (BOS) · Nonstop · 5-day trip · found 15 hours ago · 20% less than typical
- [Select Delta flight departing on Thu, Dec 10 at 10:13pm from San Diego, returning on Thu, Dec 17 at 5:10am from Boston priced at $274](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:BOS,departure:12/10/2026TANYT&leg2=from:BOS,to:SAN,departure:12/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-7543ae7c97cc4fa6bdc2cf0835b09ab7-3594-1-st-v5-sos-7543ae7c97cc4fa6bdc2cf0835b09ab7-3348-1~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAaeetmeqAQcKA1NBThABsgEHCgNCT1MQAQ~AQo3CjUIxJgBEgM1NzEYkmggwZMBKNW9nwMwm8CfAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQTVCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE.AQpgCi4I15wBEgM4MTkYwZMBIPJcKIKDoAMwu4SgAzhEQABYAWoDV0dBcgdEWEFWUzJJCi4I15wBEgQ0NDUyGPJcIJJoKIaFoAMw9oagAzhEQAFYAWoDV0dBcgdEWEFWUzJJEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ&medianPrice=412.00&displayPrice=273.60&src=dflp)
San Diego (SAN) · Boston (BOS) · Nonstop · 6-day trip · found 3 hours ago · 20% less than typical
- [Select Delta flight departing on Tue, Dec 22 at 7:28am from San Diego, returning on Tue, Dec 29 at 7:55pm from New York priced at $584](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:JFK,departure:12/22/2026TANYT&leg2=from:JFK,to:SAN,departure:12/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-b0a55275aa2048a7b3789800a9a52655-816-1-st-v5-sos-b0a55275aa2048a7b3789800a9a52655-663-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAcXPtGeqAQcKA1NBThABsgEHCgNKRksQAQ~AQo2CjQIxJgBEgMzNjcYkmggqVEo4L2gAzCswKADOEVAAFgBaglNQUlOQkFTSUNyCFhBV1NBMEJDEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ.AQpdCi0IwmwSBDE3MDEYqVEg5Voo95ChAzC5kqEDOExAAFgBagJETnIIWkMwQVVFWTEKLAjCbBIDNTI5GOVaIJJoKPyVoQMw0ZihAzhMQAFYAWoCRE5yCFpDMEFVRVkxEgoIARABGAEqAkI2GAEiBAgBEAEoAigDKAQwAQ&medianPrice=1174.00&displayPrice=583.20&src=dflp)
San Diego (SAN) · New York (JFK) · Nonstop · 7-day trip · found 10 hours ago · 35% less than typical
- [Select JetBlue Airways flight departing on Thu, Nov 26 at 8:55pm from San Diego, returning on Mon, Nov 30 at 8:45pm from New York priced at $393](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:JFK,departure:11/26/2026TANYT&leg2=from:JFK,to:SAN,departure:11/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-824f2f5dc7b941eea648ead6b8edbca2-924-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBye21Z6oBBwoDU0FOEAGyAQcKA05ZQxAC~AQovCi0IwmwSBDExOTAYkmggqVEox5-eAzCHop4DOExAAFgBagJETnIIUEkzUVVFWTEKXQotCMJsEgQxNTAxGKlRIOVaKInLngMwx8yeAzhMQABYAWoCRE5yCFVDMEFVRVkxCiwIwmwSAzUyORjlWiCSaCjcz54DMLHSngM4TEABWAFqAkROcghVQzBBVUVZMRIKCAEQARgBKgJCNhgBIgQIARABKAIoAygEMAE&medianPrice=953.00&displayPrice=392.60&src=dflp)
San Diego (SAN) · New York (JFK) · Nonstop · 3-day trip · found 4 hours ago · 50% less than typical
- [Select JetBlue Airways flight departing on Thu, Nov 26 at 3:40pm from San Diego, returning on Mon, Nov 30 at 8:45pm from New York priced at $393](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:JFK,departure:11/26/2026TANYT&leg2=from:JFK,to:SAN,departure:11/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-724dd08122f64cb283d7b87abe63ca4c-1076-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB6oK1Z6oBBwoDU0FOEAGyAQcKA05ZQxAC~AQouCiwIwmwSAzQ5MBiSaCCpUSiMnZ4DMMufngM4TEAAWAFqAkROcghQSTNRVUVZMQpdCi0IwmwSBDE1MDEYqVEg5VooicueAzDHzJ4DOExAAFgBagJETnIIVUMwQVVFWTEKLAjCbBIDNTI5GOVaIJJoKNzPngMwsdKeAzhMQAFYAWoCRE5yCFVDMEFVRVkxEgoIARABGAEqAkI2GAEiBAgBEAEoAigDKAQwAQ&medianPrice=953.00&displayPrice=392.60&src=dflp)
San Diego (SAN) · New York (JFK) · Nonstop · 4-day trip · found 8 hours ago · 50% less than typical
- [Select Alaska Airlines flight departing on Thu, Nov 26 at 8:15am from San Diego, returning on Thu, Dec 3 at 9:00am from New York priced at $363](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:EWR,departure:11/26/2026TANYT&leg2=from:EWR,to:SAN,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-a16d64ed75f946769d34a276639d885a-1418-16~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBm5i2Z6oBBwoDU0FOEAGyAQcKA0VXUhAB~AQoxCi8IwaYBEgQxMzM5GJJoIMSNASjPmZ4DMJWcngM4WEAAWAFqAlNWcghPSDNPQVZCTgpfCi4IwaYBEgMzNzMYxI0BIJIBKKjnngMwreqeAzhYQABYAWoCU1ZyCE9INVlBVUJOCi0IwaYBEgM3NjUYkgEgkmgoxOueAzDp7J4DOFhAAVgBagJTVnIIT0g1WUFVQk4SCggJEAIYAioCQVMYASIECAEQASgHKAMwAQ&medianPrice=766.00&displayPrice=362.85&src=dflp)
San Diego (SAN) · New York (EWR) · Nonstop · 6-day trip · found 3 hours ago · 40% less than typical
- [Select Alaska Airlines flight departing on Thu, Nov 19 at 8:24am from San Diego, returning on Thu, Nov 26 at 9:00am from New York priced at $472](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:EWR,departure:11/19/2026TANYT&leg2=from:EWR,to:SAN,departure:11/26/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-64abcf049cff44d8984a3d871a144a07-745-16~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBgpO2Z6oBBwoDU0FOEAGyAQcKA0VXUhAB~AQowCi4IwaYBEgMyOTcYkmggxI0BKPjKnQMwws2dAzhYQABYAWoCU1ZyCE5IMk9BVkJOCjAKLgjBpgESAzY0NhjEjQEgkmgoyJieAzDBm54DOFhAAFgBagJTVnIIUUgzT0FWQk4SCggJEAIYAioCQVMYASIECAEQASgHKAMwAQ&medianPrice=800.00&displayPrice=471.89&src=dflp)
San Diego (SAN) · New York (EWR) · Nonstop · 6-day trip · found 3 hours ago · 30% less than typical
- [Select Alaska Airlines flight departing on Thu, Nov 19 at 8:24am from San Diego, returning on Mon, Nov 23 at 3:29pm from New York priced at $557](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:EWR,departure:11/19/2026TANYT&leg2=from:EWR,to:SAN,departure:11/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-49523306a63241bb8f968327b9f27925-75-16~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB2aW2Z6oBBwoDU0FOEACyAQcKA05ZQxAA~AQowCi4IwaYBEgMyOTcYkmggxI0BKPjKnQMwws2dAzhYQABYAWoCU1ZyCE5IMk9BVkJOCjAKLgjBpgESAzU3MxjEjQEgkmgo7fmdAzDh%5FJ0DOFhAAFgBagJTVnIITkgyT0FWQk4SCggJEAIYAioCQVMYASIECAEQASgHKAMwAQ&medianPrice=848.00&displayPrice=556.73&src=dflp)
San Diego (SAN) · New York (EWR) · Nonstop · 4-day trip · found 2 hours ago · 20% less than typical
- [Select Alaska Airlines flight departing on Mon, Nov 23 at 4:11pm from San Diego, returning on Mon, Nov 30 at 5:40pm from San Francisco priced at $254](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:SFO,departure:11/23/2026TANYT&leg2=from:SFO,to:SAN,departure:11/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-f5e131939ae049aaa968046b9f84178b-385-16~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBmdqxZ6oBBwoDU0FOEAGyAQcKA1NGTxAB~AQovCi0IwaYBEgM0NjEYkmggsnEoy%5FudAzCx%5FJ0DOFhAAFgBagJTVnIIUUgyT0FWQk4KMAouCMGmARIEMTMzMRiycSCSaCiEy54DMOfLngM4WEAAWAFqAlNWcghRSDJPQVZCThIKCAkQAhgCKgJBUxgBIgQIARABKAcoAzAB&medianPrice=446.00&displayPrice=253.17&src=dflp)
San Diego (SAN) · San Francisco (SFO) · Nonstop · 7-day trip · found 23 hours ago · 30% less than typical
- [Select Alaska Airlines flight departing on Sun, Nov 22 at 4:11pm from San Diego, returning on Mon, Nov 30 at 5:40pm from San Francisco priced at $254](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:SFO,departure:11/22/2026TANYT&leg2=from:SFO,to:SAN,departure:11/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-fe2f82f077da42c598335623d5387aa6-184-16~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBtd20Z6oBBwoDU0FOEAGyAQcKA1NGTxAB~AQovCi0IwaYBEgM0NjEYkmggsnEoq%5FCdAzCR8Z0DOFhAAFgBagJTVnIIUUgyT0FWQk4KMAouCMGmARIEMTMzMRiycSCSaCiEy54DMOfLngM4WEAAWAFqAlNWcghRSDJPQVZCThIKCAkQAhgCKgJBUxgBIgQIARABKAcoAzAB&medianPrice=442.00&displayPrice=253.17&src=dflp)
San Diego (SAN) · San Francisco (SFO) · Nonstop · 8-day trip · found 10 hours ago · 30% less than typical
- [Select Alaska Airlines flight departing on Sat, Nov 21 at 4:11pm from San Diego, returning on Mon, Nov 30 at 5:40pm from San Francisco priced at $254](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:SFO,departure:11/21/2026TANYT&leg2=from:SFO,to:SAN,departure:11/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-025b9c44403e433b97aef0b2fc2c4279-642-16~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBit20Z5ABJaoBBwoDU0FOEAGyAQcKA1NGTxAB~AQovCi0IwaYBEgM0NjEYkmggsnEoi-WdAzDx5Z0DOFhAAFgBagJTVnIIUUgyT0FWQk4KMAouCMGmARIEMTMzMRiycSCSaCiEy54DMOfLngM4WEAAWAFqAlNWcghRSDJPQVZCThIKCAkQAhgCKgJBUxgBIgQIARABKAcoAzAB&medianPrice=433.00&displayPrice=253.17&src=dflp)
San Diego (SAN) · San Francisco (SFO) · Nonstop · 9-day trip · found 10 hours ago · 30% less than typical

Show more deals

## Cheapest flights from San Ysidro

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, Mar 6 from San Diego to San Francisco, returning Sat, Mar 6, priced at $38 Found 8 hours ago](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:SFO,departure:3/6/2027TANYT&leg2=from:SFO,to:SAN,departure:3/6/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:37.96&airProductToken=AQowCi4IxnISBDMzODEYkmggsnEogoKnAzDygqcDOEVAAFgBagRQQ18xcgdLMjFTWFMzCjAKLgjGchIEMzM4MhiycSCSaCiVg6cDMPqDpwM4RUAAWAFqBFBDXzFyB0syMVNYUzMSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN)

Sat, Mar 6 - Sat, Mar 6 · SFO · Roundtrip

[Select Frontier Airlines flight, departing Tue, Feb 9 from San Diego to Las Vegas, returning Wed, Feb 10, priced at $48 Just found](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:LAS,departure:2/9/2027TANYT&leg2=from:LAS,to:SAN,departure:2/10/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:47.96&airProductToken=AQoxCi8IxnISBDEzMjYYkmggi5ABKKnrpAMwg-ykAzhFQABYAWoEUENfMXIHSzIxRVhTMwoxCi8IxnISBDEzMjUYi5ABIJJoKLDzpAMw%5F%5FOkAzhFQABYAWoEUENfMXIHSzIxWFhTMxIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0)

Tue, Feb 9 - Wed, Feb 10 · Roundtrip

[Select Frontier Airlines flight, departing Wed, Feb 17 from San Diego to Atlanta, returning Wed, Feb 24, priced at $185 Found 1 hour ago](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:ATL,departure:2/17/2027TANYT&leg2=from:ATL,to:SAN,departure:2/24/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:184.72&airProductToken=AQpiCi8IxnISBDEzMjYYkmggi5ABKJXFpQMw7sWlAzhFQABYAWoEUENfMXIHSzIxWFhTMwovCMZyEgQyNDI4GIuQASDgXCjfxqUDMNLIpQM4RUABWAFqBFBDXzFyB0syMVhYUzMKYgovCMZyEgQzOTIzGOBcIIuQASjAkqYDMNeUpgM4RUAAWAFqBFBDXzFyB1oyMVhYUzMKLwjGchIEMTMyNRiLkAEgkmgo3ZumAzCunKYDOEVAAVgBagRQQ18xcgdaMjFYWFMzEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ)

Wed, Feb 17 - Wed, Feb 24 · ATL · Roundtrip

[Select JetBlue Airways flight, departing Thu, Nov 26 from San Diego to New York, returning Sat, Dec 5, priced at $282 Found 3 hours ago](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:JFK,departure:11/26/2026TANYT&leg2=from:JFK,to:SAN,departure:12/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:281.80&airProductToken=AQovCi0IwmwSBDExOTAYkmggqVEox5-eAzCHop4DOExAAFgBagJETnIIUEkzUVVFWTEKLgosCMJsEgMyODkYqVEgkmgo6P2eAzDfgJ8DOExAAFgBagJETnIIUEkyUVVFWTESCggBEAEYASoCQjYYASIECAEQASgCKAMoBDAB)

Thu, Nov 26 - Sat, Dec 5 · JFK · Roundtrip

[Select United flight, departing Thu, Nov 26 from San Diego to New York, returning Sun, Dec 6, priced at $307 Found 8 hours ago](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:EWR,departure:11/26/2026TANYT&leg2=from:EWR,to:SAN,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:306.81&airProductToken=AQo4CjYI1YIBEgM0MjcYkmggxI0BKOuYngMwrJueAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0FBM0pIQlMKOQo3CNWCARIEMTgyNhjEjQEgkmgokIifAzCCi58DOE5AAFgBagoxX2Jhc2ljZWNvcghMQUEySkhCUxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs)

Thu, Nov 26 - Sun, Dec 6 · EWR · Roundtrip

[Select United flight, departing Sun, Feb 28 from Carlsbad to San Francisco, returning Tue, Mar 16, priced at $335 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:CLD,to:SFO,departure:2/28/2027TANYT&leg2=from:SFO,to:CLD,departure:3/16/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:334.18&airProductToken=AQo4CjYI1YIBEgQ1NTk5GOIaILJxKNy9pgMwvL6mAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBMkFEQk4KOAo2CNWCARIENTUxMBiycSDiGijG76cDMLLwpwM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw)

Sun, Feb 28 - Tue, Mar 16 · CLD · SFO · Roundtrip

[Select United flight, departing Fri, Dec 11 from Carlsbad to Las Vegas, returning Sun, Dec 13, priced at $339 Found 6 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CLD,to:LAS,departure:12/11/2026TANYT&leg2=from:LAS,to:CLD,departure:12/13/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:338.40&airProductToken=AQpwCjYI1YIBEgQ1NTk5GOIaILJxKP3EnwMw2MWfAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBMlBGQk4KNgjVggESAzc1MRiycSCLkAEossafAzCax58DOE5AAFgBagoxX2Jhc2ljZWNvcghURkEyUEZCTgpxCjcI1YIBEgQyMzU2GIuQASCycSip2J8DMJPZnwM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTJQRkJOCjYI1YIBEgQ1NTEwGLJxIOIaKOfZnwMw0dqfAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBMlBGQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL)

Fri, Dec 11 - Sun, Dec 13 · CLD · Roundtrip

[Select United flight, departing Fri, Feb 5 from San Diego to New York, returning Mon, Feb 8, priced at $347 Found 1 hour ago](https://www.expedia.com/Flights-Search?leg1=from:SAN,to:LGA,departure:2/5/2027TANYT&leg2=from:LGA,to:SAN,departure:2/8/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:346.39&airProductToken=AQpvCjYI1YIBEgQxMzc4GJJoIINpKNW3pAMw67ikAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0FBMkFIQlMKNQjVggESAzU5OBiDaSDLASjDuaQDMJ-7pAM4TkAAWAFqCjFfYmFzaWNlY29yCEtBQTJBSEJTCm8KNQjVggESAzUyNBjLASCIOCib3KQDMJrepAM4TkAAWAFqCjFfYmFzaWNlY29yCEtBQTJBSEJTCjYI1YIBEgQxMDk5GIg4IJJoKNTepAMwruCkAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0FBMkFIQlMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL)

Fri, Feb 5 - Mon, Feb 8 · LGA · Roundtrip

[Select United flight, departing Thu, Dec 24 from Carlsbad to Atlanta, returning Mon, Jan 11, priced at $404 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:CLD,to:ATL,departure:12/24/2026TANYT&leg2=from:ATL,to:CLD,departure:1/11/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:403.70&airProductToken=AQpwCjYI1YIBEgQ1NTE1GOIaIINpKOzWoAMw9NegAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBMlBGQk4KNgjVggESBDEzMDUYg2kg4Fwo1digAzCK2qADOE5AAFgBagoxX2Jhc2ljZWNvcghMRkEyUEZCTgqnAQo1CNWCARIDNjM2GOBcIK4cKP-fogMwjqGiAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBMlBGQk4KNgjVggESBDEyMjgYrhwgg2ko16GiAzCGo6IDOE5AAFgBagoxX2Jhc2ljZWNvcghMRkEyUEZCTgo2CNWCARIENTUyORiDaSDiGijno6IDMP-kogM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTJQRkJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw)

Thu, Dec 24 - Mon, Jan 11 · CLD · ATL · Roundtrip

[Select American Airlines flight, departing Sat, May 22 from Carlsbad to New York, returning Wed, May 26, priced at $429 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:CLD,to:EWR,departure:5/22/2027TANYT&leg2=from:EWR,to:CLD,departure:5/26/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:428.40&airProductToken=AQppCjIIwYIBEgQzNTA5GOIaIO-5ASiu4q0DMP%5FirQM4QkAAWAFqBUJBU0lDcghOVkZIWk5CWAozCMGCARIEMTk2NxjvuQEgxI0BKPDjrQMwi-atAzhCQAFYAWoFQkFTSUNyCE5WRkhaTkJYCmkKMwjBggESBDE3ODkYxI0BIO-5ASiMkK4DMNKSrgM4QkAAWAFqBUJBU0lDcghOVkZIWk5CWAoyCMGCARIENDI2ORjvuQEg4hoonpOuAzDuk64DOEJAAVgBagVCQVNJQ3IITlZGSFpOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL)

Sat, May 22 - Wed, May 26 · CLD · EWR · Roundtrip

## How to Find Cheap Flights from San Ysidro, CA

### How much is a flight from San Ysidro?

This week, flights from San Ysidro are available between $38 – $429\.

### How to find cheap flights from San Ysidro?

Expedia makes it easy to compare cheap flights from San Ysidro to many destinations. Check out excellent deals on domestic and international flights from San Ysidro. 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 San Ysidro?

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 San Ysidro 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 San Ysidro may be more expensive. Airlines with strict bag policies or fees can also impact your costs.

### What is the best airline to fly from San Ysidro?

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 San Ysidro with: Frontier Airlines, JetBlue Airways, United, American Airlines.

### What is the best month to fly from San Ysidro?

One of the cheapest times to fly from San Ysidro airport(s) is March, 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 San Ysidro?

Expedia is the place to find last-minute flights from San Ysidro, 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 San Ysidro 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 San Ysidro. 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         | San Diego                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| ------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Origin airport           | San Diego Intl. Airport                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Origin airport IATA code | SAN                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Airlines serving         | Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, Frontier Airlines, JetBlue Airways, Air Canada, British Airways, Lufthansa, All Nippon Airways, Japan Airlines, Sun Country Airlines, Iberia, Korean Air, Finnair, KLM, Starlux Airlines, Aer Lingus, Brussels Airlines, Air France, Cathay Pacific, WestJet, Swiss International Air Lines, SAS, Austrian Airlines, Qatar Airways, Virgin Atlantic, China Airlines, Copa, TAP Portugal, LATAM Airlines Group, Malaysia Airlines, Icelandair, Turkish Airlines, Aeromexico |
| Popular airline          | Alaska Airlines                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Roundtrip price          | $48                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |

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  zh-CN: https://www.expedia.com/cn/lp/flights/8380/flights-from-san-ysidro
  en-HK: https://www.expedia.com.hk/en/lp/flights/8380/flights-from-san-ysidro
  nb-NO: https://www.expedia.no/lp/Flyreiser/8380/fly-fra-san-ysidro
  ja-JP: https://www.expedia.co.jp/lp/flights/8380/flights-from-san-ysidro
  zh-hant-HK: https://www.expedia.com.hk/lp/flights/8380/flights-from-san-ysidro
  en-IN: https://www.expedia.co.in/lp/flights/8380/flights-from-san-ysidro
  es-MX: https://www.expedia.mx/lp/vuelos/8380/vuelos-desde-san-ysidro
  en-GB: https://www.expedia.co.uk/lp/flights/8380/flights-from-san-ysidro
  de-DE: https://www.expedia.de/lp/fluge/8380/fluge-von-san-ysidro
  en-US: https://www.expedia.com/lp/flights/8380/flights-from-san-ysidro
  en-TH: https://www.expedia.co.th/en/lp/flights/8380/flights-from-san-ysidro
  en-TW: https://www.expedia.com.tw/en/lp/flights/8380/flights-from-san-ysidro
  id-ID: https://www.expedia.co.id/lp/penerbangan/8380/penerbangan-dari-san-ysidro
  ko-KR: https://www.expedia.co.kr/lp/flights/8380/flights-from-san-ysidro
  th-TH: https://www.expedia.co.th/lp/flights/8380/flights-from-san-ysidro
  pt-BR: https://www.expedia.com.br/lp/voos/8380/voos-de-san-ysidro
  en-JP: https://www.expedia.co.jp/en/lp/flights/8380/flights-from-san-ysidro
  es: https://www.expedia.com/es/lp/vuelos/8380/vuelos-desde-san-ysidro
  zh-hans-HK: https://www.expedia.com.hk/cn/lp/flights/8380/flights-from-san-ysidro
```