Cheap Flights from San Antonio to Boston
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Flights from San Antonio to Boston
Cheapest airlines flights from San Antonio to Boston
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find cheap flights from San Antonio to Boston
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
SAT 14:504h 14mNonstopBOS 20:04San Antonio - Boston | Fri, Jun 6 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Thu, Jun 12 | Delta Air LinesUS$231 US$26111% OFF11% OFFUS$261 US$231 -
SAT 14:414h 19mNonstopBOS 20:00San Antonio - Boston | Tue, Jun 10 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Wed, Jun 18 | Delta Air LinesUS$238 US$2619% OFF9% OFFUS$261 US$238
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SAT 14:504h 14mNonstopBOS 20:04San Antonio - Boston | Wed, Jun 4 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Wed, Jun 11 | Delta Air LinesUS$238 US$2619% OFF9% OFFUS$261 US$238
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SAT 14:414h 19mNonstopBOS 20:00San Antonio - Boston | Sun, Jun 15 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Sat, Jun 21 | Delta Air LinesUS$2398% OFFUS$261 US$239
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SAT 14:414h 19mNonstopBOS 20:00San Antonio - Boston | Sat, Jun 21 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Tue, Jun 24 | Delta Air LinesUS$2408% OFFUS$261 US$240
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SAT 14:504h 14mNonstopBOS 20:04San Antonio - Boston | Sat, Jun 7 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Fri, Jun 13 | Delta Air LinesUS$2417% OFFUS$261 US$241
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SAT 14:504h 14mNonstopBOS 20:04San Antonio - Boston | Wed, May 28 | Delta Air Lines
BOS 09:204h 36mNonstopSAT 12:56Boston - San Antonio | Tue, Jun 3 | Delta Air LinesUS$2427% OFFUS$261 US$242
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SAT 11:257h 18m1 stopsBOS 19:43San Antonio - Boston | Fri, Jun 13 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Fri, Jun 20 | Delta Air LinesUS$2398% OFFUS$261 US$239
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SAT 18:116h 10m1 stopsBOS 01:21San Antonio - Boston | Sat, Jun 28 | Delta Air Lines
BOS 09:154h 28mNonstopSAT 12:43Boston - San Antonio | Thu, Jul 3 | Delta Air LinesUS$2408% OFFUS$261 US$240
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SAT 18:195h 58m1 stopsBOS 01:17San Antonio - Boston | Thu, Jun 5 | Delta Air Lines
BOS 05:407h 15m1 stopsSAT 11:55Boston - San Antonio | Mon, Jun 9 | Delta Air LinesUS$2418% OFFUS$261 US$241
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SAT 13:0017h 25m1 stopsBOS Invalid DateSan Antonio - Boston | Tue, May 27 | Normal Airline
BOS 15:006hNonstopSAT 16:00Boston - San Antonio | Thu, May 29 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
SAT 07:006h 16mNonstopBOS 14:16San Antonio - Boston | Wed, Jul 16 | United AirlinesUS$170 US$1858% OFF8% OFFUS$185 US$170 -
SAT 07:006h 16mNonstopBOS 14:16San Antonio - Boston | Wed, Jul 23 | United AirlinesUS$172 US$1857% OFF7% OFFUS$185 US$172
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SAT 19:3015h 41m1 stopsBOS 12:11San Antonio - Boston | Fri, Jun 13 | Spirit AirlinesUS$98 US$18547% OFF47% OFFUS$185 US$98 -
SAT 12:1927h 5m1 stopsBOS 16:24San Antonio - Boston | Mon, Jun 2 | Frontier AirlinesUS$10941% OFFUS$185 US$109 -
SAT 10:4212h 5m1 stopsBOS 23:47San Antonio - Boston | Fri, May 30 | Frontier AirlinesUS$12135% OFFUS$185 US$121
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SAT 07:0514h 51m1 stopsBOS 22:56San Antonio - Boston | Wed, Jun 18 | Spirit AirlinesUS$12433% OFFUS$185 US$124
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SAT 19:3019h 15m1 stopsBOS 15:45San Antonio - Boston | Mon, Jul 7 | Spirit AirlinesUS$12930% OFFUS$185 US$129
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SAT 05:005h 50m1 stopsBOS 11:50San Antonio - Boston | Sun, Jun 8 | American AirlinesUS$13428% OFFUS$185 US$134 -
SAT 17:3822h 3m1 stopsBOS 16:41San Antonio - Boston | Fri, Jun 20 | Frontier AirlinesUS$13626% OFFUS$185 US$136
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SAT 16:455h 59m1 stopsBOS 23:44San Antonio - Boston | Wed, Jun 4 | American AirlinesUS$13726% OFFUS$185 US$137
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SAT 11:436h 35m1 stopsBOS 19:18San Antonio - Boston | Wed, Jun 25 | American AirlinesUS$13826% OFFUS$185 US$138
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SAT 19:3010h 42m1 stopsBOS 07:12San Antonio - Boston | Fri, Jun 27 | Spirit AirlinesUS$13925% OFFUS$185 US$139
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SAT 13:0017h 25m1 stopsBOS Invalid DateSan Antonio - Boston | Tue, May 27 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
San Antonio to Boston Flight Information
| Cheapest one-way flight price | $97 |
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| Cheapest round-trip ticket price | $230 |
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 2,835.87 km |
| Average flight time | 4 hours 8 minutes |
| Popular airline | United Airlines |
When is the cheapest time to book flights from San Antonio to Boston?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from San Antonio (SAT) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from San Antonio to Boston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from San Antonio (SAT) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around $1,186. -
How long does it take to fly from San Antonio (SAT) to Boston (BOS) and what is the distance?
It takes around 4 hours 8 minutes to fly from San Antonio (SAT) to Boston (BOS). -
What are the most popular airlines that fly from San Antonio (SAT) to Boston (BOS)?
Airlines with flights from San Antonio (SAT) to Boston (BOS): Delta Air Lines and El Al.
How to find a cheap flight from San Antonio to Boston
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Antonio to Boston. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest San Antonio to Boston ticket.
Tap "Date" on flight search bar to scan through the calender for San Antonio to Boston airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Jul 16 at US$170 for one-way flights.
Compare cheap San Antonio to Boston flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from San Antonio to Boston. The cheapest airline operating is United Airlines.
Set up a Price Alert
By setting up a Price Alert for your San Antonio to Boston route, you can easily track the price of your airline tickets from San Antonio to Boston without manually checking every day.
Don't miss cheap San Antonio to Boston flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from San Antonio to Boston to get exclusive deals for you.
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