$122+ Cheap flights from Massachusetts to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAT
Nov 16 — Nov 231
Round-trip
1 adult, Economy
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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
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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 October 17, 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 October 17, 2026.
This Delta deal was found by Cheapflights users on 10/13. 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 12/99:15 am -
Nonstop5h 02m
Wed 12/162:12 pm -
Nonstop4h 11m
Deal found 10/13![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 10/16. 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 12/29:15 am -
Nonstop5h 02m
Mon 12/72:12 pm -
Nonstop4h 11m
Deal found 10/16![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/16. 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 12/510:15 am -
Nonstop4h 58m
Sat 12/123:10 pm -
Nonstop4h 11m
Deal found 10/16![Delta logo]()
$330
This Southwest deal was found by Cheapflights users on 10/13. 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 12/53:10 pm -
1 stop7h 10m
Sat 12/1212:40 pm -
2 stops8h 20m
Deal found 10/13![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 10/16. 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.
Tue 12/17:04 pm -
1 stop6h 31m
Tue 12/82:12 pm -
Nonstop4h 11m
Deal found 10/16![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/15. 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 12/197:10 pm -
1 stop7h 00m
Tue 12/225:05 pm -
1 stop5h 20m
Deal found 10/15![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 10/13. 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 11/1411:35 am -
2 stops9h 55m
Sun 11/152:30 pm -
1 stop9h 45m
Deal found 10/13![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 10/16. 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 12/315:10 am -
1 stop6h 25m
Thu 1/75:55 am -
1 stop5h 35m
Deal found 10/16![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 10/12. 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 11/67:30 pm -
1 stop6h 30m
Sat 11/145:55 am -
1 stop5h 50m
Deal found 10/12![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 10/16. 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 12/11:20 pm -
1 stop9h 05m
Tue 12/85:50 am -
1 stop5h 40m
Deal found 10/16![Southwest logo]()
$349
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 October 17, 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 October 17, 2026.
This Delta deal was found by Cheapflights users on 10/15. 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 2/109:15 am -
Nonstop4h 53m
Sun 2/1412:45 pm -
Nonstop4h 06m
Deal found 10/15![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 10/13. 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 12/811:20 am -
2 stops11h 45m
Sun 12/134:55 pm -
1 stop5h 25m
Deal found 10/13![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/239:15 am -
Nonstop4h 53m
Sat 2/274:00 pm -
1 stop6h 34m
Deal found 10/17![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/14. 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 12/164:59 pm -
1 stop6h 58m
Sat 1/162:00 pm -
Nonstop4h 06m
Deal found 10/14![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/14. 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 11/41:20 pm -
1 stop9h 05m
Thu 11/52:30 pm -
1 stop9h 45m
Deal found 10/14![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 10/15. 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.
Tue 12/89:15 am -
Nonstop5h 02m
Sun 12/136:33 am -
1 stop9h 28m
Deal found 10/15![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/14. 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 11/125:20 am -
2 stops8h 35m
Mon 11/234:55 pm -
1 stop5h 30m
Deal found 10/14![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 10/13. 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 3/248:00 am -
1 stop8h 28m
Mon 3/291:00 pm -
1 stop8h 26m
Deal found 10/13![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 10/13. 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 3/245:15 am -
1 stop6h 20m
Mon 3/293:00 pm -
2 stops7h 15m
Deal found 10/13![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 10/16. 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 11/125:30 am -
1 stop8h 09m
Mon 11/162:01 pm -
Nonstop4h 11m
Deal found 10/16![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 10/13. 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 11/115:10 am -
2 stops9h 05m
Sat 11/212:35 pm -
2 stops8h 10m
Deal found 10/13![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 10/13. 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 11/112:55 pm -
1 stop8h 11m
Sat 11/212:56 pm -
Nonstop4h 13m
Deal found 10/13![Delta logo]()
$414
Last-minute flights from Massachusetts to San AntonioDiscover last-minute flight deals from Massachusetts to San Antonio. Data last updated October 17, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to San Antonio. Data last updated October 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/13. 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 11/49:05 am -
1 stop9h 09m
Wed 11/112:01 pm -
Nonstop4h 11m
Deal found 10/13![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 10/14. 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 11/41:20 pm -
1 stop9h 05m
Thu 11/52:30 pm -
1 stop9h 45m
Deal found 10/14![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 10/13. 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 11/115:10 am -
2 stops9h 05m
Fri 11/132:30 pm -
1 stop9h 45m
Deal found 10/13![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 10/16. 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 11/129:15 am -
Nonstop4h 51m
Mon 11/162:01 pm -
Nonstop4h 11m
Deal found 10/16![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/13. 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 11/134:20 pm -
1 stop6h 46m
Sun 11/222:33 pm -
1 stop8h 11m
Deal found 10/13![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/13. 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 11/1411:35 am -
2 stops9h 55m
Sun 11/152:30 pm -
1 stop9h 45m
Deal found 10/13![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 10/16. 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.
Sun 11/157:30 pm -
1 stop6h 30m
Wed 11/186:45 am -
2 stops8h 35m
Deal found 10/16![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 10/15. 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 11/175:05 pm -
1 stop6h 40m
Thu 11/195:50 am -
1 stop5h 40m
Deal found 10/15![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 10/13. 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 11/195:00 am -
1 stop8h 05m
Sat 11/215:40 pm -
1 stop6h 10m
Deal found 10/13![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/199:43 am -
1 stop6h 55m
Sat 11/214:19 pm -
1 stop6h 06m
Deal found 10/15![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/16. 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 11/209:15 am -
Nonstop4h 51m
Sun 11/222:33 pm -
1 stop8h 11m
Deal found 10/16![Delta logo]()
$369
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 October 17, 2026.
Search for one-way flight options from Massachusetts to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2111:57 am -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 10/14. 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 11/97:30 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$165
This Southwest deal was found by Cheapflights users on 10/13. 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 11/102:25 pm -
2 stops8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Southwest logo]()
$170
This Southwest deal was found by Cheapflights users on 10/14. 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.
Sun 11/225:10 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 10/16. 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.
Sun 11/157:30 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Southwest logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 12/1010:29 am -
2 stops26h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 10/16. 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 1/51:10 pm -
2 stops8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 10/16. 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 11/135:35 am -
1 stop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Southwest logo]()
$193
This American Airlines deal was found by Cheapflights users on 10/13. 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 1/2310:19 am -
1 stop10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![American Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 10/15. 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 11/113:30 pm -
2 stops8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Southwest logo]()
$198
This Delta deal was found by Cheapflights users on 10/13. 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 12/1112:49 pm -
2 stops12h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 10/16. 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.
Sun 11/87:30 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Southwest logo]()
$205
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 October 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Delta) |
One-way from | $122 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $474 |
Good round-trip deal | $399 or less |
Good one-way deal | $313 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 October 17, 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
Tue 4/13
1:50 pm-9:50 pm
2 stops9h 00m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Tue 1/5
5:05 pm-10:45 pm
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Wed 2/10
5:15 am-10:55 am
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Thu 12/17
12:55 pm-12:10 am
1 stop12h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Fri 11/13
5:35 am-11:15 am
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Sat 12/12
5:20 am-12:40 pm
1 stop8h 20m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Wed 12/16
4:59 pm-10:57 pm
1 stop6h 58m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Tue 4/13
9:15 am-1:08 pm
Nonstop4h 53m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
Quickest round-trip
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Tue 11/24
9:15 am-1:06 pm
Nonstop4h 51m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
BostonSan Antonio
BOS Boston Logan Intl - SAT San Antonio
BOSSAT
Boston Logan Intl
Wed 2/10
9:15 am-1:08 pm
Nonstop4h 53m
San Antonio
Sun 2/14
12:45 pm-5:51 pm
Nonstop4h 06m
$329
Showing 1-10 of 21 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
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
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 $361). Flying from Massachusetts to San Antonio in December is currently the most expensive (average of $515). 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 October 17, 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 $378 and $635 in December.The cheapest round-trip price found within the last 5 days was $309 on Delta (Dec 9-Dec 16).
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 78 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
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Alternative routes for Massachusetts to San Antonio
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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 October 17, 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 October 17, 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 October 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$230 | Average$418 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$260 | Average$346 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$271 | Average$460 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$293 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$308 | Average$395 | FlexibilityNo cancel fee | On-time69% |