Cheap Flights from San Antonio, TX to Boston, MA from $80

Return flight: Boston – San Antonio

On Cheapflightsplus.com you will find 211 connecting flights from San Antonio to Boston. You can compare airfare deals from 5 airlines and multiple travel sites from $80, book and save on cheap plane tickets and last minute offers. Also check out SAT-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Antonio to Boston Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $80 (one-way), $137 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from San Antonio to Boston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:00 — 12:20
05:00 — 06:09 UA5463 United Airlines
San Antonio — Houston
1h 27m stop
07:36 — 12:20 UA721 United Airlines
Houston — Boston
6h 20m
including layover
Find flight
from$215
05:30 — 12:58
05:30 — 09:06 NK1621 Spirit Airlines
San Antonio — Orlando
53m stop
09:59 — 12:58 NK794 Spirit Airlines
Orlando — Boston
6h 28m
including layover
Find flight
from$180
07:18 — 14:26
07:18 — 08:22 UA1486 United Airlines
San Antonio — Houston
1h 18m stop
09:45 — 14:33 UA2477 United Airlines
Houston — Boston
6h 8m
including layover
Find flight
from$215
07:57 — 08:45
+1 day
19:10 — 22:57 F91654 Frontier Airlines
San Antonio — Orlando
17h 33m stop
21:23 — 00:30 F91978 Frontier Airlines
Orlando — Boston
23h 48m
including layover
Find flight
from$80
08:18 — 16:40
08:18 — 13:00 UA1590 United Airlines
San Antonio — Newark
2h 25m stop
15:25 — 16:40 UA1493 United Airlines
Newark — Boston
7h 22m
including layover
Find flight
from$346
08:49 — 23:37
08:49 — 10:12 UA1045 United Airlines
San Antonio — Denver
7h 26m stop
17:38 — 23:37 UA1510 United Airlines
Denver — Boston
13h 48m
including layover
Find flight
from$328
09:40 — 16:48
09:40 — 10:47 UA2105 United Airlines
San Antonio — Houston
1h 13m stop
12:00 — 16:48 UA2439 United Airlines
Houston — Boston
6h 8m
including layover
Find flight
from$264
09:45 — 19:19
09:45 — 10:49 UA1540 United Airlines
San Antonio — Houston
3h 47m stop
14:36 — 19:19 UA2439 United Airlines
Houston — Boston
8h 34m
including layover
Find flight
from$215
12:08 — 19:19
12:08 — 13:12 UA1333 United Airlines
San Antonio — Houston
1h 24m stop
14:36 — 19:19 UA2439 United Airlines
Houston — Boston
6h 11m
including layover
Find flight
from$215
12:25 — 20:46
12:25 — 17:09 UA1741 United Airlines
San Antonio — Newark
2h 20m stop
20:20 — 21:35 UA1393 United Airlines
Newark — Boston
7h 21m
including layover
Find flight
from$264
13:20 — 05:51
+1 day
13:20 — 14:42 UA591 United Airlines
San Antonio — Denver
9h 17m stop
23:59 — 05:51 UA2610 United Airlines
Denver — Boston
15h 31m
including layover
Find flight
from$361
14:15 — 21:30
14:13 — 17:01 UA2243 United Airlines
San Antonio — Chicago
1h 2m stop
18:25 — 21:50 UA1742 United Airlines
Chicago — Boston
6h 15m
including layover
Find flight
from$216
14:27 — 23:18
14:13 — 15:16 UA2498 United Airlines
San Antonio — Houston
2h 56m stop
18:30 — 23:15 UA2237 United Airlines
Houston — Boston
7h 51m
including layover
Find flight
from$231
16:22 — 23:15
16:22 — 17:25 UA2157 United Airlines
San Antonio — Houston
1h 5m stop
18:30 — 23:15 UA2237 United Airlines
Houston — Boston
5h 53m
including layover
Find flight
from$297
16:57 — 21:57
+1 day
16:57 — 18:19 UA680 United Airlines
San Antonio — Denver
21h 46m stop
16:05 — 21:57 UA1027 United Airlines
Denver — Boston
28h
including layover
Find flight
from$309
19:25 — 23:59
+1 day
19:25 — 22:00 AS494 Alaska Airlines
San Antonio — Seattle
17h 40m stop
15:40 — 23:59 AS460 Alaska Airlines
Seattle — Boston
27h 34m
including layover
Find flight
from$298
19:37 — 09:14
+1 day
19:37 — 23:17 NK956 Spirit Airlines
San Antonio — Miami
6h 43m stop
06:00 — 09:14 NK1987 Spirit Airlines
Miami — Boston
12h 37m
including layover
Find flight
from$153
*Departure and arrival times - local. Updated on May 12, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from San Antonio to Boston depends on and how to choose the most interesting flight option for you.

Distance between San Antonio and Boston is 2836 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 20:36 from 5 San Antonio airports and arrive 05:00 to 20:36 to 4 Boston airports. Average flight time is 12h 55m.

  • The fastest flight 5h 32m
  • Average flight time 12h 55m
  • The earliest flight 05:00
  • The latest flight 20:36
  • Distance 1763 ml

The cheapest months to travel to Boston are february (from 80 $), december (from 82 $), november (from 153 $).

The most expensive months are january (from 180 $), november (from 153 $), december (from 82 $).

What is the lowest airfare San Antonio to Boston?

The cheapest plane ticket found by our users is $80. This airfare is for economy class on one-way F91654 flight by Frontier Airlines for February 21, 2025 which leaves San Antonio in San Antonio at 07:57 am and arrives at Boston Logan at 08:45.

Economy class
$80
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight San Antonio — Boston is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 16 departures per week at the price of from $ 298 . And the most expensive tickets are offered by United Airlines airline - from $ 1025.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 211 flights with layovers on the route. The fastest connecting flight is UA2250 by United Airlines takes 5h 32m and the cheapest is F91654 by Frontier Airlines for $80.

  • AS - Alaska Airlines
    from $298
    Find
  • F9 - Frontier Airlines
    from $80
    Find
  • UA - United Airlines
    from $215
    Find
  • VB - VivaAerobus
    from $749
    Find
  • NK - Spirit Airlines
    from $153
    Find
See more connecting flights

Airports

You can fly from San Antonio to Boston from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).

San Antonio airports

  • Randolph AFB-RND
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  • Martindale AAF-MDA
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  • San Antonio-SAT
    from $80
    Find
  • Kelly AFB-SKF
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  • Stinson Municipal-SSF
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Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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