Cheap Flights from Boston, MA to San Antonio, TX from $83
Return flight: San Antonio – Boston
On Cheapflightsplus.com you will find 263 connecting flights from Boston to San Antonio. You can compare airfare deals from 5 airlines and multiple travel sites from $83, book and save on cheap plane tickets and last minute offers. Also check out BOS-SAT flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Boston to San Antonio 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: $83 (one-way), $142 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Boston to San Antonio Today
Take a look at the list of non stop flights and flights with layovers from Boston to San Antonio with the lowest price of $83. Take a look at the list of flights with layovers from Boston to San Antonio from $83. There’re no direct flights. The fastest connecting flight – 6h 26m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $83 | 06:00 Boston Logan | 18:10 San Antonio San Antonio | 13h 10m layover 6h 25m - Orlando | Frontier Airlines | F91977 F91653 |
| from $118 | 16:09 Boston Logan | 23:22 San Antonio San Antonio | 8h 13m layover 2h 14m - Orlando | Spirit Airlines | NK502 NK446 |
| from $133 | 16:17 Boston Logan | 23:30 San Antonio San Antonio | 8h 13m layover 1h 40m - Orlando | Spirit Airlines | NK2071 NK446 |
| from $157 | 12:02 Boston Logan | 23:30 San Antonio San Antonio | 12h 28m layover 5h 57m - Orlando | Spirit Airlines | NK2206 NK446 |
| from $180 | 05:45 Boston Logan | 16:56 San Antonio San Antonio | 12h 11m layover 5h 12m - Miami | Spirit Airlines | NK867 NK1446 |
| from $188 | 10:23 Boston Logan | 17:46 San Antonio San Antonio | 8h 23m layover 1h 36m - Miami | Spirit Airlines | NK1988 NK955 |
| from $152 | 12:11 Boston Logan | 04:59+1 день San Antonio San Antonio | 17h 48m layover 4h 51m - Miami 1h 20m - Las Vegas | Spirit Airlines | NK2887 NK777 NK1058 |
| from $154 | 16:17 Boston Logan | 04:59+1 день San Antonio San Antonio | 13h 42m layover 0h 44m - Orlando 1h 45m - Las Vegas | Spirit Airlines | NK2071 NK1852 NK1058 |
| from $155 | 16:41 Boston Logan | 04:59+1 день San Antonio San Antonio | 13h 18m layover 0h 57m - Atlanta 2h 14m - Las Vegas | Spirit Airlines | NK1460 NK332 NK1058 |
| from $164 | 06:27 Boston Logan | 23:26 San Antonio San Antonio | 17h 59m layover 3h 11m - Newark 4h 23m - Los Angeles | Spirit Airlines | NK940 NK386 NK497 |
| from $168 | 12:11 Boston Logan | 12:22+1 день San Antonio San Antonio | 25h 11m layover 4h 51m - Miami 8h 42m - Las Vegas | Spirit Airlines | NK2887 NK777 NK462 |
| from $169 | 06:27 Boston Logan | 18:32 San Antonio San Antonio | 13h 5m layover 1h 1m - Newark 3h 59m - Miami | Spirit Airlines | NK940 NK394 NK955 |
| from $169 | 11:26 Boston Logan | 00:05+1 день San Antonio San Antonio | 13h 39m layover 4h 12m - Miami 1h 27m - Orlando | Spirit Airlines | NK2975 NK360 NK1620 |
| from $173 | 06:27 Boston Logan | 18:32 San Antonio San Antonio | 13h 5m layover 3h 14m - Newark 1h 53m - Miami | Spirit Airlines | NK940 NK372 NK955 |
| from $176 | 20:30 Boston Logan | 16:56+1 день San Antonio San Antonio | 21h 26m layover 6h 1m - Orlando 7h 21m - Miami | Spirit Airlines | NK2071 NK198 NK1446 |
| from $176 | 11:30 Boston Logan | 12:22+1 день San Antonio San Antonio | 25h 52m layover 5h 33m - Orlando 9h 7m - Las Vegas | Spirit Airlines | NK2071 NK1852 NK462 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 13, 2025
Flight Schedule Boston (Massachusetts) to San Antonio (Texas)
Full flight schedule will help you in detecting at what time planes fly from Boston to San Antonio. 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 |
|---|---|---|---|---|
|
05:45 — 16:56
|
05:45 — 09:20
NK867
Spirit Airlines
Boston — Miami
5h 12m stop
14:32 — 16:56
NK1446
Spirit Airlines
Miami — San Antonio
|
12h 11m including layover |
Find flight
from$180 |
|
|
05:45 — 11:11
|
05:45 — 07:29
UA1734
United Airlines
Boston — Washington D.C.
51m stop
08:20 — 11:11
UA2671
United Airlines
Washington D.C. — San Antonio
|
6h 26m including layover |
Find flight
from$214 |
|
|
06:00 — 18:10
|
06:00 — 09:35
F91977
Frontier Airlines
Boston — Orlando
6h 25m stop
16:00 — 18:10
F91653
Frontier Airlines
Orlando — San Antonio
|
13h 10m including layover |
Find flight
from$83 |
|
|
06:10 — 17:18
|
06:00 — 09:31
NK296
Spirit Airlines
Boston — Miami
5h 48m stop
15:28 — 17:46
NK955
Spirit Airlines
Miami — San Antonio
|
12h 8m including layover |
Find flight
from$188 |
|
|
07:05 — 13:24
|
07:05 — 10:45
UA226
United Airlines
Boston — Houston
1h 27m stop
12:12 — 13:24
UA492
United Airlines
Houston — San Antonio
|
7h 19m including layover |
Find flight
from$216 |
|
|
07:30 — 15:55
|
07:30 — 08:58
UA570
United Airlines
Boston — Newark
3h 32m stop
12:30 — 15:55
UA2095
United Airlines
Newark — San Antonio
|
9h 25m including layover |
Find flight
from$214 |
|
|
08:36 — 15:19
|
08:36 — 10:00
UA515
United Airlines
Boston — Newark
1h 59m stop
11:59 — 15:19
UA1027
United Airlines
Newark — San Antonio
|
7h 43m including layover |
Find flight
from$267 |
|
|
08:45 — 15:55
|
08:45 — 10:10
UA515
United Airlines
Boston — Newark
2h 20m stop
12:30 — 15:55
UA2095
United Airlines
Newark — San Antonio
|
8h 10m including layover |
Find flight
from$214 |
|
|
09:00 — 15:50
|
09:00 — 10:25
UA515
United Airlines
Boston — Newark
2h stop
12:25 — 15:50
UA1328
United Airlines
Newark — San Antonio
|
7h 50m including layover |
Find flight
from$229 |
|
|
09:10 — 23:38
|
09:10 — 12:01
UA662
United Airlines
Boston — Denver
8h 24m stop
20:25 — 23:38
UA2028
United Airlines
Denver — San Antonio
|
15h 28m including layover |
Find flight
from$323 |
|
|
10:23 — 17:46
|
10:23 — 13:52
NK1988
Spirit Airlines
Boston — Miami
1h 36m stop
15:28 — 17:46
NK955
Spirit Airlines
Miami — San Antonio
|
8h 23m including layover |
Find flight
from$188 |
|
|
11:32 — 11:15
+1 day
|
11:32 — 13:01
UA592
United Airlines
Boston — Newark
18h 49m stop
07:50 — 11:15
UA591
United Airlines
Newark — San Antonio
|
24h 43m including layover |
Find flight
from$295 |
|
|
11:32 — 15:55
+1 day
|
11:32 — 13:01
UA592
United Airlines
Boston — Newark
23h 29m stop
12:30 — 15:55
UA2095
United Airlines
Newark — San Antonio
|
29h 23m including layover |
Find flight
from$295 |
|
|
12:02 — 23:30
|
12:02 — 15:29
NK2206
Spirit Airlines
Boston — Orlando
5h 57m stop
21:26 — 23:30
NK446
Spirit Airlines
Orlando — San Antonio
|
12h 28m including layover |
Find flight
from$157 |
|
|
13:30 — 19:22
|
13:30 — 17:10
UA1976
United Airlines
Boston — Houston
1h stop
18:10 — 19:22
UA1477
United Airlines
Houston — San Antonio
|
6h 52m including layover |
Find flight
from$216 |
|
|
13:30 — 21:18
|
13:30 — 17:10
UA1976
United Airlines
Boston — Houston
2h 56m stop
20:06 — 21:18
UA1589
United Airlines
Houston — San Antonio
|
8h 48m including layover |
Find flight
from$216 |
|
|
14:05 — 19:58
|
14:05 — 15:49
UA721
United Airlines
Boston — Washington D.C.
1h 21m stop
17:10 — 19:58
UA1869
United Airlines
Washington D.C. — San Antonio
|
6h 53m including layover |
Find flight
from$216 |
|
|
14:45 — 20:21
|
14:45 — 16:30
UA214
United Airlines
Boston — Washington D.C.
56m stop
17:24 — 20:21
UA1869
United Airlines
Washington D.C. — San Antonio
|
6h 36m including layover |
Find flight
from$248 |
|
|
15:30 — 23:13
|
15:30 — 19:05
UA2384
United Airlines
Boston — Houston
3h stop
22:05 — 23:13
UA5476
United Airlines
Houston — San Antonio
|
8h 43m including layover |
Find flight
from$214 |
|
|
15:30 — 21:18
|
15:30 — 19:05
UA2384
United Airlines
Boston — Houston
1h 5m stop
20:10 — 21:18
UA1326
United Airlines
Houston — San Antonio
|
6h 48m including layover |
Find flight
from$216 |
|
|
16:09 — 23:22
|
13:29 — 16:55
NK502
Spirit Airlines
Boston — Orlando
2h 14m stop
19:59 — 22:10
NK446
Spirit Airlines
Orlando — San Antonio
|
8h 13m including layover |
Find flight
from$118 |
|
|
16:17 — 23:30
|
16:17 — 19:46
NK2071
Spirit Airlines
Boston — Orlando
1h 40m stop
21:26 — 23:30
NK446
Spirit Airlines
Orlando — San Antonio
|
8h 13m including layover |
Find flight
from$133 |
|
|
17:15 — 23:13
|
17:15 — 20:48
UA399
United Airlines
Boston — Houston
1h 17m stop
22:05 — 23:13
UA5476
United Airlines
Houston — San Antonio
|
6h 58m including layover |
Find flight
from$214 |
|
|
17:15 — 23:10
|
17:15 — 20:48
UA399
United Airlines
Boston — Houston
1h 17m stop
22:05 — 23:10
UA1645
United Airlines
Houston — San Antonio
|
6h 55m including layover |
Find flight
from$216 |
|
|
18:55 — 11:15
+1 day
|
18:55 — 20:30
UA521
United Airlines
Boston — Newark
11h 20m stop
07:50 — 11:15
UA591
United Airlines
Newark — San Antonio
|
17h 20m including layover |
Find flight
from$295 |
|
|
18:55 — 15:55
+1 day
|
18:55 — 20:30
UA521
United Airlines
Boston — Newark
16h stop
12:30 — 15:55
UA2095
United Airlines
Newark — San Antonio
|
22h including layover |
Find flight
from$295 |
|
|
19:50 — 15:55
+1 day
|
19:50 — 21:27
UA1391
United Airlines
Boston — Newark
15h 3m stop
12:30 — 15:55
UA2095
United Airlines
Newark — San Antonio
|
21h 5m including layover |
Find flight
from$295 |
|
|
19:55 — 11:15
+1 day
|
19:50 — 21:27
UA1391
United Airlines
Boston — Newark
10h 18m stop
07:50 — 11:15
UA591
United Airlines
Newark — San Antonio
|
16h 20m including layover |
Find flight
from$295 |
|
|
20:35 — 23:38
+1 day
|
20:35 — 23:23
UA2413
United Airlines
Boston — Denver
21h 2m stop
20:25 — 23:38
UA2028
United Airlines
Denver — San Antonio
|
28h 3m including layover |
Find flight
from$323 |
|
*Departure and arrival times - local. Updated on May 13, 2025
Flight Information
Below we will explain in detail what the flights cost on the destination from Boston to San Antonio depends on and how to choose the most interesting flight option for you.
Distance between Boston and San Antonio is 2836 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 22:03 from 4 Boston airports and arrive 05:00 to 22:03 to 5 San Antonio airports. Average flight time is 12h 25m.
- The fastest flight 6h 26m
- Average flight time 12h 25m
- The earliest flight 05:00
- The latest flight 22:03
- Distance 1763 ml
The cheapest months to travel to San Antonio are december (from 83 $), january (from 118 $), november (from 133 $).
The most expensive months are february (from 169 $), november (from 133 $), january (from 118 $).
What is the lowest airfare Boston to San Antonio?
The cheapest plane ticket found by our users is $83. This airfare is for economy class on one-way F91977 flight by Frontier Airlines for December 7, 2024 which leaves Logan in Boston at 06:00 am and arrives at San Antonio San Antonio at 18:10.
Economy class
$83
Business class
?
First class
?
Popular Airlines on the Route
The flight Boston — San Antonio is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 7 departures per week at the price of from $ 329 . And the most expensive tickets are offered by United Airlines airline - from $ 906.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 263 flights with layovers on the route. The fastest connecting flight is UA1734 by United Airlines takes 6h 26m and the cheapest is F91977 by Frontier Airlines for $83.
- AS - Alaska Airlinesfrom $329Find
- F9 - Frontier Airlinesfrom $83Find
- SY - Sun Country Airlinesfrom $305Find
- UA - United Airlinesfrom $214Find
- NK - Spirit Airlinesfrom $118Find
See more connecting flights
Airports
You can fly from Boston to San Antonio from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).
Boston airports
- Boston City Heliport-JBCFind
- Boston RT128 Rail-ZRUFind
- Boston South Rail-ZTOFind
- Logan-BOSfrom $83Find
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATFind
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Airplanes
There are flights to San Antonio from Boston by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Boston
You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.
- from $57Find
- from $67Find
- from $59Find
- from $56Find
- from $64Find
- from $65Find
- from $71Find
- from $63Find
- from $63Find
- from $60Find
Top International Destinations from Boston
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $76Find
- from $76Find
- from $54Find
- from $54Find
- from $69Find
- from $77Find
- from $78Find
- from $66Find
- from $77Find
- from $67Find
How to book a plane 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.