Title: CA $129 Cheap Flights from Boston (BOS) to San Antonio (SAT) - Expedia.ca ![](https://images.trvl-media.com/place/178303/f064855c-c445-4fbe-ad43-4a2de1aff6a8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178303/f064855c-c445-4fbe-ad43-4a2de1aff6a8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $129 Cheap Flights from Boston (BOS) to San Antonio (SAT) [View CA $129 flight on Wed, Feb 25, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BOS,to:SAT,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:128.60&airProductToken=AQpeCi0IzpYBEgQxODgyGMGTASDMcCjLkIYDMJqShgM4V0AAWAFqAlJQcgZXQTIxTlIKLQjOlgESBDMwNjQYzHAgkpgBKIyUhgMwx5WGAzhXQAFYAWoCUlByBldBMjFOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Boston to San Antonio, TX (SAT-San Antonio Intl.) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Spirit Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BOS,to:SAT,departure:01/02/2026TANYT&leg2=from:SAT,to:BOS,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![notification illustration](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\* - ![deals illustration](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\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Boston (BOS) to San Antonio (SAT) Prices were available within the past 7 days and start at CA $129 for one-way flights and CA $377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Wed, Feb 25 - Fri, Feb 27 BOS Boston SAT San Antonio CA $377 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:25/02/2026TANYT&leg2=from:SAT,to:BOS,departure:27/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:376.80&airProductToken=AQpeCi0IzpYBEgQxODgyGMGTASDMcCjLkIYDMJqShgM4V0AAWAFqAlJQcgZXQTIxTlIKLQjOlgESBDMwNjQYzHAgkpgBKIyUhgMwx5WGAzhXQAFYAWoCUlByBldBMjFOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Wed, Feb 25 - Fri, Feb 27 BOS Boston SAT San Antonio CA $391 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:25/02/2026TANYT&leg2=from:SAT,to:BOS,departure:27/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:390.40&airProductToken=AQpeCi0IzpYBEgQxODgyGMGTASDMcCjLkIYDMJqShgM4V0AAWAFqAlJQcgZXQTIxTlIKLQjOlgESBDMwNjQYzHAgkpgBKIyUhgMwx5WGAzhXQAFYAWoCUlByBldBMjFOUhIKCAEQARgBKgJOSxgBIgQIARABKAIoAygEMA0) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Feb 15 - Tue, Feb 17 BOS Boston SAT San Antonio CA $396 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:15/02/2026TANYT&leg2=from:SAT,to:BOS,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:395.87&airProductToken=AQpmCjEIwYIBEgQ0NjQ4GMGTASBDKL-ghQMwtaGFAzhCQABYAWoFQkFTSUNyCE5XQUhaTkJYCjEIwYIBEgQxOTQ3GEMgkpgBKNWhhQMwwaOFAzhCQAFYAWoFQkFTSUNyCE5XQUhaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Wed, Feb 25 - Fri, Feb 27 BOS Boston SAT San Antonio CA $415 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:25/02/2026TANYT&leg2=from:SAT,to:BOS,departure:27/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:414.55&airProductToken=AQpeCi0IzpYBEgQxNjEzGMGTASDMcCjCkYYDMJKThgM4V0AAWAFqAlJQcgZXQTIxTlIKLQjOlgESBDMwNjQYzHAgkpgBKIyUhgMwx5WGAzhXQAFYAWoCUlByBldBMjFOUgqLAQotCM6WARIEMzA2NRiSmAEgzHAo0KOGAzDrpIYDOFdAAFgBagJSUHIGV0EyMU5SCiwIzpYBEgQxNDk5GMxwIOVaKKanhgMw7KeGAzhXQAFYAWoCUlByBldBMjFOUgosCM6WARIDNzQzGOVaIMGTASj8qYYDMLyrhgM4V0ABWAFqAlJQcgZXQTIxTlISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Feb 25 - Mon, Mar 2 BOS Boston SAT San Antonio CA $416 Roundtrip found 17 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:25/02/2026TANYT&leg2=from:SAT,to:BOS,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:416.00&airProductToken=AQokCiIIxJgBEgQyNjUyGMGTASCSmAEoro-GAzDZkYYDOEVAAFgBCiMKIQjEmAESAzgxNhiSmAEgwZMBKKrIhgMwksqGAzhFQABYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![Spirit Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/nk.gif) Sat, Feb 28 - Mon, Mar 9 BOS Boston SAT San Antonio CA $419 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:28/02/2026TANYT&leg2=from:SAT,to:BOS,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:419.00&airProductToken=AQpeCi0IzpYBEgQxNjEzGMGTASDMcCi_s4YDMI-1hgM4V0AAWAFqAlJQcgZXQTIxTlIKLQjOlgESBDMwNjQYzHAgkpgBKOy1hgMwp7eGAzhXQAFYAWoCUlByBldBMjFOUgpfCi4IzpYBEgQxNjU1GJKYASDlWijelYcDMP2WhwM4UkAAWAFqAlNEcgdSMTRDWE5SCi0IzpYBEgM3NDMY5VogwZMBKICahwMwwJuHAzhSQAFYAWoCU0RyB1IxNENYTlISCggBEAEYASoCTksYASIECAEQASgCKAMoBDAN) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Feb 15 - Tue, Feb 17 BOS Boston SAT San Antonio CA $424 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:15/02/2026TANYT&leg2=from:SAT,to:BOS,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:423.87&airProductToken=AQpqCjMIwYIBEgQxMTQ4GMGTASCjsQEo6aGFAzD_o4UDOEJAAFgBagVCQVNJQ3IIU1dBSFpOQlgKMwjBggESBDIyODEYo7EBIJKYASi8pIUDMIelhQM4QkABWAFqBUJBU0lDcghTV0FIWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Feb 28 - Mon, Mar 9 BOS Boston SAT San Antonio CA $429 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:28/02/2026TANYT&leg2=from:SAT,to:BOS,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:428.40&airProductToken=AQo5CjcIxJgBEgQyNjUyGMGTASCSmAEo8K6GAzCjsYYDOEVAAFgBaglNQUlOQkFTSUNyCFZGV1FBMEJRCm8KNgjEmAESBDI2ODAYkpgBIPISKKOZhwMw2JqHAzhFQABYAWoJTUFJTkJBU0lDcghWRldRQTBCUQo1CMSYARIDNjk2GPISIMGTASirnIcDMMKehwM4RUABWAFqCU1BSU5CQVNJQ3IIVkZXUUEwQlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, Feb 26 - Mon, Mar 2 BOS Boston SAT San Antonio CA $430 Roundtrip found 17 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:26/02/2026TANYT&leg2=from:SAT,to:BOS,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:429.70&airProductToken=AQpFCiAIxJgBEgMzMjIYwZMBIOBcKL2bhgMw7ZyGAzhFQABYAQohCMSYARIEMjg5MxjgXCCSmAEo852GAzCRn4YDOEVAAVgBCiMKIQjEmAESAzgxNhiSmAEgwZMBKKrIhgMwksqGAzhFQABYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Sun, Apr 26 BOS Boston SAT San Antonio CA $562 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SAT,departure:20/04/2026TANYT&leg2=from:SAT,to:BOS,departure:26/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:561.50&airProductToken=AQojCiEI1YIBEgMyODUYwZMBIJKYASjf7IoDMPXwigM4TEAAWAEKRQogCNWCARIDNjk3GJKYASCuHCiGtYsDMLa2iwM4TEAAWAEKIQjVggESBDE3NzkYrhwgwZMBKPa2iwMwi7iLAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) __Flight from Boston to San Antonio (BOS - SAT) route information__ | Origin airport | Logan Intl. | | ------------------- | -------------------------------- | | Destination airport | San Antonio Intl. | | Airlines serving | American Airlines, Delta, United | | Roundtrip price | CA $377 | | Distance | 2818 km | | Average flight time | 4 hours 59 mins | ## Boston to San Antonio Flights **The easy way to book your flights from Boston to San Antonio** With Expedia, it’s simple to find and book flights to San Antonio from Boston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to San Antonio Intl., too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boston to San Antonio today, tomorrow, or this week. **Save dollars with cheap flights from Logan Intl., BOS to San Antonio Intl., SAT** Sort your search results by price to find great deals on your flight from Boston to San Antonio—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Antonio from Boston currently is just CA $377 rising to CA $562\. Here are more money-saving tips: - Fly in February when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to San Antonio - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to San Antonio from Boston** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Antonio with Expedia today. ## Frequently asked questions ### How much is a flight from Logan Intl. Airport to San Antonio Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport (BOS) to SAT? ### How do I find cheap flights from BOS to San Antonio Airport that have flexible change policies? ### How many hours is the flight from Logan Intl. Airport to San Antonio Intl. Airport (SAT)? ### How far is the flight from Logan Intl. Airport (BOS) to SAT? ### Which airlines fly direct from BOS to San Antonio Airport? ### Are Logan Intl. Airport to San Antonio Intl. Airport (SAT) flight tickets cheaper when they're purchased at the last minute? \*Available to Expedia members.