$91+ Cheap flights from Massachusetts to San Antonio (SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAT
Sep 22 — Sep 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Massachusetts to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Massachusetts to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Massachusetts to San AntonioExplore the most affordable flight options available from Massachusetts to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Massachusetts to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:15 am -
Nonstop4h 25m
Sat 10/31:35 pm -
Nonstop4h 21m
Deal found 8/18![Delta logo]()
$249
This Travelocity deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
1 stop13h 07m
Mon 11/29:57 am -
1 stop9h 04m
Deal found 8/18![Frontier logo]()
$252
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:15 am -
Nonstop4h 51m
Sun 12/134:49 pm -
1 stop7h 26m
Deal found 8/18![Delta logo]()
$259
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:06 pm -
1 stop7h 30m
Tue 10/1312:46 pm -
1 stop8h 18m
Deal found 8/21![American Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:40 am -
1 stop5h 59m
Sat 10/31:20 pm -
1 stop8h 50m
Deal found 8/18![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 am -
1 stop6h 00m
Tue 9/293:30 pm -
1 stop5h 50m
Deal found 8/22![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 pm -
1 stop7h 35m
Wed 10/287:30 am -
2 stops8h 15m
Deal found 8/18![Southwest logo]()
$274
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:35 am -
1 stop6h 15m
Wed 9/93:30 pm -
1 stop5h 50m
Deal found 8/18![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:15 am -
Nonstop4h 25m
Mon 9/211:35 pm -
Nonstop4h 21m
Deal found 8/18![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 am -
2 stops9h 15m
Tue 10/275:50 am -
2 stops8h 05m
Deal found 8/19![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:45 am -
1 stop6h 14m
Mon 9/284:17 pm -
1 stop6h 22m
Deal found 8/22![United Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:21 pm -
1 stop7h 25m
Mon 10/54:00 pm -
1 stop6h 21m
Deal found 8/22![Delta logo]()
$317
Best flights from Massachusetts to San AntonioDiscover carefully curated flight deals from Massachusetts to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Massachusetts to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:57 pm -
1 stop8h 51m
Tue 11/31:50 pm -
Nonstop4h 24m
Deal found 8/21![Delta logo]()
$259
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:25 am -
1 stop6h 15m
Sun 10/45:05 pm -
1 stop6h 35m
Deal found 8/22![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
2 stops10h 53m
Sun 9/276:00 am -
1 stop7h 35m
Deal found 8/18![United Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:16 pm -
1 stop18h 54m
Sun 10/49:25 am -
2 stops27h 53m
Deal found 8/17![Multiple Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:39 am -
1 stop6h 01m
Sat 11/147:50 am -
1 stop6h 13m
Deal found 8/21![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:25 am -
1 stop6h 15m
Mon 10/124:55 pm -
1 stop6h 10m
Deal found 8/21![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:15 am -
Nonstop4h 25m
Sat 9/192:30 pm -
1 stop8h 29m
Deal found 8/20![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:40 am -
2 stops14h 10m
Mon 10/194:40 pm -
1 stop6h 10m
Deal found 8/20![Southwest logo]()
$310
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 am -
2 stops8h 46m
Mon 11/22:20 pm -
1 stop6h 08m
Deal found 8/20![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:06 pm -
1 stop6h 27m
Tue 10/134:29 pm -
1 stop6h 21m
Deal found 8/22![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:15 am -
2 stops8h 10m
Sat 10/2412:45 pm -
2 stops8h 20m
Deal found 8/19![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:03 pm -
1 stop6h 47m
Tue 10/132:00 pm -
2 stops8h 59m
Deal found 8/22![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:11 pm -
2 stops8h 40m
Tue 9/225:30 am -
2 stops7h 59m
Deal found 8/19![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:30 pm -
1 stop6h 10m
Tue 9/153:30 pm -
1 stop5h 50m
Deal found 8/22![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:51 am -
1 stop6h 58m
Wed 9/92:16 pm -
Nonstop4h 19m
Deal found 8/19![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop6h 04m
Mon 10/52:00 pm -
2 stops8h 59m
Deal found 8/21![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:20 pm -
1 stop5h 50m
Sun 9/64:20 pm -
1 stop5h 20m
Deal found 8/18![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:06 pm -
1 stop6h 28m
Wed 9/98:00 am -
1 stop7h 07m
Deal found 8/21![Delta logo]()
$371
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:50 am -
1 stop6h 05m
Thu 11/195:30 am -
1 stop5h 40m
Deal found 8/18![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:05 am -
1 stop7h 06m
Wed 9/306:35 am -
1 stop6h 54m
Deal found 8/19![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:23 pm -
1 stop6h 45m
Sun 9/204:00 pm -
1 stop6h 21m
Deal found 8/18![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:44 am -
1 stop7h 47m
Sun 10/46:35 am -
1 stop6h 54m
Deal found 8/20![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:40 am -
2 stops9h 05m
Tue 11/105:50 am -
2 stops8h 30m
Deal found 8/22![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:00 am -
1 stop6h 20m
Mon 1/45:20 am -
1 stop5h 32m
Deal found 8/21![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:35 am -
2 stops7h 30m
Mon 11/27:30 am -
2 stops7h 40m
Deal found 8/18![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:30 am -
1 stop6h 09m
Wed 10/75:15 am -
1 stop5h 47m
Deal found 8/18![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:10 pm -
1 stop6h 00m
Sun 10/115:15 am -
1 stop5h 30m
Deal found 8/21![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:50 am -
1 stop6h 05m
Sun 12/62:50 pm -
2 stops7h 50m
Deal found 8/22![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:05 pm -
1 stop6h 28m
Sun 10/115:15 am -
1 stop5h 47m
Deal found 8/21![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:50 pm -
1 stop6h 30m
Sun 11/152:50 pm -
1 stop6h 00m
Deal found 8/22![Southwest logo]()
$407
Last-minute flights from Massachusetts to San AntonioDiscover last-minute flight deals from Massachusetts to San Antonio. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to San Antonio. Data last updated August 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:35 am -
1 stop6h 15m
Wed 9/93:30 pm -
1 stop5h 50m
Deal found 8/18![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 am -
1 stop6h 00m
Tue 9/293:30 pm -
1 stop5h 50m
Deal found 8/22![Southwest logo]()
$273
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:15 am -
Nonstop4h 25m
Mon 9/211:35 pm -
Nonstop4h 21m
Deal found 8/18![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:10 am -
1 stop7h 43m
Sat 10/31:35 pm -
Nonstop4h 21m
Deal found 8/18![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:15 am -
Nonstop4h 25m
Sat 10/31:35 pm -
Nonstop4h 21m
Deal found 8/18![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:45 am -
1 stop6h 14m
Mon 9/284:17 pm -
1 stop6h 22m
Deal found 8/22![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:50 pm -
1 stop6h 20m
Tue 9/291:30 pm -
2 stops7h 50m
Deal found 8/19![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:40 am -
1 stop5h 59m
Sat 10/31:20 pm -
1 stop8h 50m
Deal found 8/18![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:38 pm -
1 stop6h 13m
Sat 9/262:00 pm -
1 stop8h 24m
Deal found 8/21![United Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:36 pm -
1 stop6h 19m
Tue 9/297:10 am -
1 stop8h 09m
Deal found 8/22![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:55 am -
1 stop7h 35m
Tue 9/2911:47 am -
2 stops8h 35m
Deal found 8/22![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:25 am -
2 stops8h 25m
Tue 10/611:25 am -
2 stops9h 40m
Deal found 8/20![Southwest logo]()
$280
One-way flights from Massachusetts to San AntonioSearch for one-way flight options from Massachusetts to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Massachusetts to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Booking.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:17 am -
1 stop22h 53m
Deal found 8/18![Frontier logo]()
$91
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:17 am -
1 stop22h 53m
Deal found 8/18![Frontier logo]()
$96
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 am -
1 stop8h 05m
Deal found 8/18![Southwest logo]()
$135
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:25 am -
2 stops8h 25m
Deal found 8/19![Southwest logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:52 pm -
2 stops31h 33m
Deal found 8/20![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:39 pm -
1 stop20h 06m
Deal found 8/17![Breeze Airways logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:52 pm -
2 stops31h 33m
Deal found 8/19![Frontier logo]()
$147
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:00 am -
1 stop6h 35m
Deal found 8/21![Southwest logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:15 pm -
2 stops32h 10m
Deal found 8/19![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:11 am -
2 stops34h 14m
Deal found 8/19![Frontier logo]()
$156
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 am -
2 stops8h 10m
Deal found 8/21![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:15 pm -
1 stop8h 20m
Deal found 8/19![Southwest logo]()
$165
Find flight deals from Massachusetts to San Antonio
Keep the following information in mind while searching for Massachusetts to San Antonio flight deals. Data was last updated August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Delta) |
One-way from | $91 (Booking.com) |
Popular in | April |
Cheapest in | January |
Average price | $393 |
Good round-trip deal | $334 or less |
Good one-way deal | $298 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 23, 2026.
Use the filters below to find and compare flights from Massachusetts to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Fri 10/30
1:57 pm-9:48 pm
1 stop8h 51m
San Antonio
Tue 11/3
1:50 pm-7:14 pm
Nonstop4h 24m
$259
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Fri 10/2
5:25 am-10:40 am
1 stop6h 15m
San Antonio
Sun 10/4
5:05 pm-12:40 am
1 stop6h 35m
$269
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Sun 11/8
5:39 am-10:40 am
1 stop6h 01m
San Antonio
Sat 11/14
7:50 am-3:03 pm
1 stop6h 13m
$269
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Mon 10/5
5:25 am-10:40 am
1 stop6h 15m
San Antonio
Mon 10/12
4:55 pm-12:05 am
1 stop6h 10m
$286
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Wed 9/16
9:15 am-12:40 pm
Nonstop4h 25m
San Antonio
Sat 9/19
2:30 pm-11:59 pm
1 stop8h 29m
$289
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Thu 10/15
10:40 am-11:50 pm
2 stops14h 10m
San Antonio
Mon 10/19
4:40 pm-11:50 pm
1 stop6h 10m
$310
AlbanySan Antonio
ALB Albany Intl - SAT San Antonio
ALBSAT
Albany Intl
Thu 10/8
7:06 pm-12:33 am
1 stop6h 27m
San Antonio
Tue 10/13
4:29 pm-11:50 pm
1 stop6h 21m
$317
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Wed 10/21
5:15 am-12:25 pm
2 stops8h 10m
San Antonio
Sat 10/24
12:45 pm-10:05 pm
2 stops8h 20m
$326
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Fri 9/11
4:30 pm-9:40 pm
1 stop6h 10m
San Antonio
Tue 9/15
3:30 pm-10:20 pm
1 stop5h 50m
$353
Quickest round-trip
AlbanySan Antonio
ALB Albany Intl - SAT San Antonio
ALBSAT
Albany Intl
Wed 9/2
6:20 pm-11:10 pm
1 stop5h 50m
San Antonio
Sun 9/6
4:20 pm-10:40 pm
1 stop5h 20m
$356
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Massachusetts to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Massachusetts with our price prediction graph.
BOS-SAT
BDL-SAT
ALB-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Massachusetts to San Antonio
USMA-SAT
BOS-SAT
BDL-SAT
ALB-SAT
What is the cheapest month to book a flight from Massachusetts to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Massachusetts to San Antonio (average of $357). Flying from Massachusetts to San Antonio in December is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MA to SAT?
Find hourly flight availability from Massachusetts to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 23, 2026.
When flying from Massachusetts to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Massachusetts to San Antonio?
Airfare is below average for this route at the moment.
Massachusetts to San Antonio flights typically cost between $324 and $608 in February.The cheapest round-trip price found within the last 5 days was $249 on Delta (Feb 4-Feb 7).
How far ahead should I book a flight from Massachusetts to San Antonio?
The best time to book flights from Massachusetts to San Antonio is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Massachusetts to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
San Antonio flight routes
Top destinations
Alternative routes for Massachusetts to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Massachusetts to San Antonio by cabin class
Find flights from Massachusetts to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Massachusetts and San Antonio flights
Browse other Massachusetts and San Antonio flight options. Last updated on August 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
Massachusetts to San Antonio flights
Consider these flights traveling from Massachusetts to San Antonio.
Top 6 airlines flying from Massachusetts to San Antonio
Discover the top 6 airlines that operate flights from Massachusetts to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$337 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$115 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$230 | Average$418 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$270 | Average$459 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$293 | Average$461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$302 | Average$395 | FlexibilityNo cancel fee | On-time69% |