Title: $59 Cheap flights from Caldwell, ID - Expedia.com ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $59 Cheap flights from Caldwell, ID [View $59 flight on Tue, Apr 21, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BOI,to:LAS,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:58.40&airProductToken=AQozCjEIwaYBEgMyMjkYwUMgi5ABKMD4igMwvfmKAzhYQABYAWoFU0FWRVJyCEdIMk9YVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) [Caldwell Travel Guide](https://expedia.com/Caldwell.dx6977)[Hotels in Caldwell](https://expedia.com/Caldwell-Hotels.d6977.Travel-Guide-Hotels)[Car Rentals in Caldwell](https://expedia.com/Car-Rentals-In-Caldwell.d6977.Car-Rental-Guide)[Caldwell Vacation Packages](https://expedia.com/Caldwell.d6977.Destination-Travel-Guides) ## Popular airlines from Caldwell - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### 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 Caldwell Nonstop Carry-on included Lower price than typical - Boise (BOI)Phoenix (PHX) Tue, Mar 10 Sat, Mar 14 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 4-day trip found 14 hours ago 30% less than typical $279 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:PHX,departure:3/10/2026TANYT&leg2=from:PHX,to:BOI,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-d7f7903fe45d4061ae34b29f62c7dfa2-1757-1-st-v5-sos-d7f7903fe45d4061ae34b29f62c7dfa2-1770-2~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZfO3lyQAQiQAQGqAQcKA0JPSRAAsgEHCgNQSFgQAA~AQo0CjIIwYIBEgQ2MjgwGMFDIO-5ASihpYcDMK6mhwM4QkAAWAFqBUJBU0lDcghTN0FLWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs.AQoxCi8I15wBEgQ0MTgwGO-5ASDBQyje1IcDMNvVhwM4RUAAWAFqA1dHQXIHRUxOVVcyRRIKCAIQARgCKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=519.00&displayPrice=278.39&src=dflp) - Boise (BOI)Phoenix (PHX) Tue, Mar 10 Sat, Mar 14 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 4-day trip found 14 hours ago 30% less than typical $279 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:PHX,departure:3/10/2026TANYT&leg2=from:PHX,to:BOI,departure:3/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-4a5149cb9b634104a81688108b3f5270-1774-1-st-v5-sos-4a5149cb9b634104a81688108b3f5270-1776-2~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAZTO3lyQAQiQAQCqAQcKA0JPSRAAsgEHCgNQSFgQAA~AQo0CjIIwYIBEgQ2NDUwGMFDIO-5ASjWn4cDMOighwM4QkAAWAFqBUJBU0lDcghTN0FLWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs.AQoxCi8I15wBEgQ0MTgwGO-5ASDBQyje1IcDMNvVhwM4RUAAWAFqA1dHQXIHRUxOVVcyRRIKCAIQARgCKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=519.00&displayPrice=278.39&src=dflp) - Boise (BOI)Phoenix (PHX) Sat, Apr 11 Sat, Apr 18 ![American Airlines](https://a.travel-assets.com/air/airlines/aa_sq.svg)American Airlines • Nonstop --- 6-day trip found 22 hours ago 55% less than typical $145 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:PHX,departure:4/11/2026TANYT&leg2=from:PHX,to:BOI,departure:4/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-76a7788187224d41b5ed92ec79ed1e71-1325-1-st-v5-sos-76a7788187224d41b5ed92ec79ed1e71-1307-2~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAbf23FyQAQCQASiqAQcKA0JPSRAAsgEHCgNQSFgQAA~AQo0CjIIwYIBEgQ0MDkzGMFDIO-5ASiei4oDMKGMigM4QkAAWAFqBUJBU0lDcghPVkFLVVNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs.AQoxCi8I15wBEgQyMTc5GO-5ASDBQyj92IoDMPrZigM4REAAWAFqA1dHQXIHREROVkgyRRIKCAIQARgCKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=417.00&displayPrice=144.20&src=dflp) - Boise (BOI)Las Vegas (LAS) Sun, Mar 22 Fri, Mar 27 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 5-day trip found 13 hours ago 55% less than typical $157 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:LAS,departure:3/22/2026TANYT&leg2=from:LAS,to:BOI,departure:3/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-2be8a1874ef14d1bb68e778be4725e4b-370-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBgeveXKoBBwoDQk9JEACyAQcKA0xBUxAA~AQoxCi8I15wBEgQxNDg4GMFDIIuQASimpogDMJSniAM4REAAWAFqA1dHQXIHRFBOVkgyRQoxCi8I15wBEgQyOTE5GIuQASDBQyjv5ogDMNjniAM4REAAWAFqA1dHQXIHRFBOVkgyRRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=447.00&displayPrice=156.79&src=dflp) - Boise (BOI)Las Vegas (LAS) Tue, Mar 31 Sat, Apr 4 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 4-day trip found 20 hours ago 60% less than typical $117 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:LAS,departure:3/31/2026TANYT&leg2=from:LAS,to:BOI,departure:4/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-cd72d2eb15de485581900eecb7f810cf-1288-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBkKvdXKoBBwoDQk9JEACyAQcKA0xBUxAC~AQoxCi8I15wBEgQxMjg5GMFDIIuQASi8i4kDMKqMiQM4VkAAWAFqA1dHQXIHVkROVkgyRQoxCi8I15wBEgQzMjU1GIuQASDBQyj0wIkDMN3BiQM4VkAAWAFqA1dHQXIHVkROVkgyRRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=384.00&displayPrice=116.80&src=dflp) - Boise (BOI)Las Vegas (LAS) Wed, Apr 8 Sat, Apr 11 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 11 hours ago 40% less than typical $191 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:LAS,departure:4/8/2026TANYT&leg2=from:LAS,to:BOI,departure:4/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-35ffd7ee6a7a433b848f5a5e22a80170-599-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBiqjfXKoBBwoDQk9JEACyAQcKA0xBUxAA~AQoxCi8I15wBEgQxNTg1GMFDIIuQASjQ5YkDMLnmiQM4VkAAWAFqA1dHQXIHVkROVkgyRQpjCjAI15wBEgQzMDE4GIuQASDvuQEoy4iKAzCWiYoDOFpAAFgBagNXR0FyB1paQVdLMkUKLwjXnAESBDIxNzkY77kBIMFDKJ2KigMwmouKAzhaQAFYAWoDV0dBcgdaWkFXSzJFEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ&medianPrice=411.00&displayPrice=190.59&src=dflp) - Boise (BOI)Seattle (SEA) Fri, Mar 27 Sat, Apr 4 ![Delta](https://a.travel-assets.com/air/airlines/dl_sq.svg)Delta • Nonstop --- 8-day trip found 17 hours ago 65% less than typical $97 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:SEA,departure:3/27/2026TANYT&leg2=from:SEA,to:BOI,departure:4/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-ff776e2c9a5a4248a336a7adf4ac94bb-952-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBxIreXKoBBwoDQk9JEACyAQcKA1NFQRAA~AQo3CjUIxJgBEgQzNjg4GMFDIJIBKPrkiAMw5uWIAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTQTBCRAo3CjUIxJgBEgQzODE3GJIBIMFDKLe_iQMwlMCJAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTQTBCRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=394.00&displayPrice=96.81&src=dflp) - Boise (BOI)Seattle (SEA) Mon, Mar 30 Sun, Apr 5 ![Delta](https://a.travel-assets.com/air/airlines/dl_sq.svg)Delta • Nonstop --- 6-day trip found 1 hour ago 65% less than typical $97 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:SEA,departure:3/30/2026TANYT&leg2=from:SEA,to:BOI,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-aced40a0d0e04a27bb988b1abe64d8ed-295-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBxczhXKoBBwoDQk9JEACyAQcKA1NFQRAA~AQo3CjUIxJgBEgQzNzc1GMFDIJIBKKiAiQMwlIGJAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTQTBCRAo3CjUIxJgBEgQ0MDkwGJIBIMFDKMXLiQMwmsyJAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTQTBCRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=380.00&displayPrice=96.81&src=dflp) - Boise (BOI)Seattle (SEA) Mon, Mar 30 Sun, Apr 5 ![Delta](https://a.travel-assets.com/air/airlines/dl_sq.svg)Delta • Nonstop --- 6-day trip found 1 hour ago 65% less than typical $97 [](https://www.expedia.com/Flights-Search?leg1=from:BOI,to:SEA,departure:3/30/2026TANYT&leg2=from:SEA,to:BOI,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-6a86b4218cfd4ba08beb116b4f05e89e-286-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gBuMzhXKoBBwoDQk9JEACyAQcKA1NFQRAA~AQo3CjUIxJgBEgQzNjg4GMFDIJIBKNqGiQMwxoeJAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTQTBCRAo3CjUIxJgBEgQ0MDkwGJIBIMFDKMXLiQMwmsyJAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTQTBCRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=380.00&displayPrice=96.81&src=dflp) ## Cheapest flights from Caldwell These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Apr 1 - Wed, Apr 8 BOI Boise SEA Seattle $97 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:SEA,departure:4/1/2026TANYT&leg2=from:SEA,to:BOI,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:96.81&airProductToken=AQozCjEIwaYBEgQzMDY1GMFDIJIBKPyXiQMw5JiJAzhYQABYAWoFU0FWRVJyCEdIMkVBVkJOCjIKMAjBpgESAzMxOBiSASDBQyjv7IkDMMntiQM4WEAAWAFqBVNBVkVScghHSDJFQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMA0) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sun, Apr 5 - Thu, Apr 9 BOI Boise DEN Denver $108 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:DEN,departure:4/5/2026TANYT&leg2=from:DEN,to:BOI,departure:4/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:107.96&airProductToken=AQowCi4IxnISBDM5MzQYwUMgg2ko28aJAzDWx4kDOEVAAFgBagRQQ18xcgdSMDdZWFM5CjAKLgjGchIEMzkzMxiDaSDBQyiu8okDMKTziQM4RUAAWAFqBFBDXzFyB1owN1FYUzkSCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Apr 11 - Tue, Apr 14 BOI Boise PDX Portland $117 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:PDX,departure:4/11/2026TANYT&leg2=from:PDX,to:BOI,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:116.80&airProductToken=AQo0CjIIwaYBEgQyMDA1GMFDIO-4ASiSjooDMOOOigM4WEAAWAFqBVNBVkVScghPSDJFWFVCTgo0CjIIwaYBEgQyMDA0GO-4ASDBQyj-rooDMMqvigM4WEAAWAFqBVNBVkVScghPSDJFWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMA0) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Apr 8 - Wed, Apr 15 BOI Boise LAS Las Vegas $117 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:LAS,departure:4/8/2026TANYT&leg2=from:LAS,to:BOI,departure:4/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:116.80&airProductToken=AQozCjEIwaYBEgMyMjkYwUMgi5ABKKDmiQMwneeJAzhYQABYAWoFU0FWRVJyCEdIMk9YVkJOCjMKMQjBpgESAzIyOBiLkAEgwUMos7uKAzCkvIoDOFhAAFgBagVTQVZFUnIIR0gyT1hWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAN) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Sat, May 16 - Tue, May 19 BOI Boise LAS Las Vegas $127 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:LAS,departure:5/16/2026TANYT&leg2=from:LAS,to:BOI,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:126.60&airProductToken=AQphCi4I15wBEgQyMjE2GMFDIJIrKMWVjQMwmpaNAzhWQABYAWoDV0dBcgdWREFWSDJFCi8I15wBEgQyNjY4GJIrIIuQASjMlo0DMKaXjQM4VkABWAFqA1dHQXIHVkRBVkgyRQoxCi8I15wBEgQyNTUzGIuQASDBQyjYuo0DMMG7jQM4VkAAWAFqA1dHQXIHVkROVkgyRRIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Sat, Apr 25 - Sat, May 2 BOI Boise PHX Phoenix $132 Roundtrip found 6 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:PHX,departure:4/25/2026TANYT&leg2=from:PHX,to:BOI,departure:5/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:131.59&airProductToken=AQoxCi8I15wBEgQzMTkwGMFDIO-5ASixpYsDMK6miwM4REAAWAFqA1dHQXIHREROVkgyRQoxCi8I15wBEgQyMTc5GO-5ASDBQyi99osDMLr3iwM4REAAWAFqA1dHQXIHREROVkgyRRIKCAIQARgCKgJXThgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, May 9 - Tue, May 12 BOI Boise LAS Las Vegas $137 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:LAS,departure:5/9/2026TANYT&leg2=from:LAS,to:BOI,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:136.40&airProductToken=AQpvCjUIxJgBEgQ0MTQ3GMFDIJIBKNrGjAMwv8eMAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTSDNCQwo2CMSYARIEMjk0ORiSASCLkAEowciMAzDayYwDOEVAAVgBaglNQUlOQkFTSUNyCFZBVlNIM0JDCm8KNgjEmAESBDE2OTEYi5ABIPISKIjrjAMw3-uMAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTSDNCQwo1CMSYARIEMjExMRjyEiDBQyiC7IwDMMzsjAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0gzQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 1 - Tue, Apr 14 BOI Boise LAX Los Angeles $137 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:LAX,departure:4/1/2026TANYT&leg2=from:LAX,to:BOI,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:136.80&airProductToken=AQo5CjcI1YIBEgQ0NzMwGMFDIIu4ASi3l4kDMMKYiQM4TkAAWAFqCjFfYmFzaWNlY29yCEdGSzJBUUJTCjkKNwjVggESBDUzNjMYi7gBIMFDKNuuigMw5a-KAzhOQABYAWoKMV9iYXNpY2Vjb3IIR0ZLMkFRQlMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Tue, Mar 24 - Tue, Apr 7 BOI Boise SAN San Diego $138 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:SAN,departure:3/24/2026TANYT&leg2=from:SAN,to:BOI,departure:4/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:137.89&airProductToken=AQoiCiAIyIIBEgQ0ODAyGMFDIJJoKLzDiAMwx8SIAzhVQABYAQoiCiAIyIIBEgQ2MzcyGJJoIMFDKMbhiQMw2-KJAzhVQABYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Mar 28 - Wed, Apr 1 BOI Boise PHX Phoenix $157 Roundtrip found 22 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOI,to:PHX,departure:3/28/2026TANYT&leg2=from:PHX,to:BOI,departure:4/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:156.79&airProductToken=AQo0CjIIwYIBEgQ2MjgwGMFDIO-5ASiQ8IgDMJ3xiAM4QkAAWAFqBUJBU0lDcghPVkFLVVNCWAo0CjIIwYIBEgQ0OTM1GO-5ASDBQyjCmIkDMNiZiQM4QkAAWAFqBUJBU0lDcghPVkFLVVNCWBIMCAEQARgBKgJBQTIAGAEiBAgBEAEoAigDKAQwCw) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## How to Find Cheap Flights from Caldwell, ID #### How much is a flight from Caldwell? This week, flights from Caldwell are available between $97 – $157\. #### How to find cheap flights from Caldwell? Expedia makes it easy to compare cheap flights from Caldwell to many destinations. Check out excellent deals on domestic and international flights from Caldwell. 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 Caldwell? 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 Caldwell 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 Caldwell may be more expensive. Airlines with strict bag policies or fees can also impact your costs. #### What is the best airline to fly from Caldwell? 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 Caldwell with: Alaska Airlines, Southwest Airlines, Delta, Frontier Airlines, American Airlines, United, Hawaiian Airlines. #### What is the best month to fly from Caldwell? One of the cheapest times to fly from Caldwell airport(s) is April, 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 Caldwell? Expedia is the place to find last-minute flights from Caldwell, 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 Caldwell 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 Caldwell. 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. \*Data specialists from both ARC and Expedia Group analysed ARC's global flight data to distil actionable information to help people save money on travel. While it's impossible to guarantee when to find the lowest prices, after examining the variables, we were able to observe trends. Analysis based on ARC, round-trip flight data between 1 October 2017 - 30 September 2018 for Economy and Premium cabin ATPs on a global basis. ## Travel information ## Flights from Caldwell: Essential Travel Information | Cheapest flight from Caldwell | $97 (roundtrip) | | ----------------------------------- | ----------------------------------------------------------------------------------------------------------- | | Best airlines to fly from Caldwell | Alaska Airlines, Southwest Airlines, Delta, Frontier Airlines, American Airlines, United, Hawaiian Airlines | | Cheapest month to fly from Caldwell | April | | Caldwell IATA code | BOI | | Caldwell Country/State | Idaho | | Airline ticket deals from Caldwell | $97 - $157 | \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [Canyon County Hotels ](https://www.expedia.com/Destinations-In-Canyon-County.d553248635976432563.Hotel-Destinations) - [Hotels near Fairview Golf Course ](https://www.expedia.com/Fairview-Golf-Course-Hotels.0-l553248621532642549-0.Travel-Guide-Filter-Hotels) - [Hotels near Canyon County Fairgrounds ](https://www.expedia.com/Canyon-County-Fairgrounds-Hotels.0-l6128256-0.Travel-Guide-Filter-Hotels) - [Hotels near Orma J. 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