$105+ Cheap flights from San Antonio (SAT) to New Hampshire
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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MHT
Apr 18 — Apr 251
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to New Hampshire with Cheapflights
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Cheapest flights from San Antonio to New HampshireExplore the most affordable flight options available from San Antonio to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
Explore the most affordable flight options available from San Antonio to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Sat 4/45:49 pm
BOS
- SAT
1 stop16h 38m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$295
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:22 pm
SAT
- BOS
3 stops33h 37m
Spirit Airlines
Sat 4/45:49 pm
BOS
- SAT
1 stop16h 38m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
SAT
- BOS
1 stop16h 57m
Multiple Airlines
Wed 5/68:44 am
BOS
- SAT
1 stop24h 31m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$299
This CheapOair deal was found by Cheapflights users on 3/18. 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.
Wed 4/110:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Mon 4/65:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/18![Spirit Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Mon 4/135:49 pm
BOS
- SAT
2 stops19h 38m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:22 pm
SAT
- BOS
2 stops25h 06m
Spirit Airlines
Sun 4/125:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:45 am
SAT
- BOS
2 stops17h 28m
Multiple Airlines
Fri 4/35:49 pm
BOS
- SAT
1 stop16h 38m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:22 pm
SAT
- BOS
2 stops33h 37m
Spirit Airlines
Mon 4/135:49 pm
BOS
- SAT
1 stop16h 38m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$306
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Sun 4/125:45 am
BOS
- SAT
2 stops31h 42m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$309
This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
SAT
- BOS
1 stop27h 15m
Spirit Airlines
Wed 4/225:55 am
BOS
- SAT
1 stop18h 56m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Sun 4/125:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$313
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:22 pm
SAT
- BOS
2 stops33h 37m
Spirit Airlines
Mon 4/65:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$314
Best flights from San Antonio to New HampshireDiscover carefully curated flight deals from San Antonio to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
Discover carefully curated flight deals from San Antonio to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 19, 2026.
This Southwest deal was found by Cheapflights users on 3/18. 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 5/43:05 pm
SAT
- BOS
2 stops7h 05m
Southwest
Fri 5/85:50 pm
BOS
- SAT
1 stop6h 40m
Southwest
Deal found 3/18![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 3/13. 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 5/294:15 pm
SAT
- BOS
1 stop6h 14m
Delta
Tue 6/28:30 am
BOS
- SAT
Nonstop4h 40m
Delta
Deal found 3/13![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:45 am
SAT
- PWM
2 stops10h 44m
United Airlines
Sat 5/94:50 pm
PWM
- SAT
1 stop7h 04m
United Airlines
Deal found 3/17![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 3/14. 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.
Fri 5/84:11 pm
SAT
- BOS
1 stop8h 17m
Delta
Sun 5/106:10 am
BOS
- SAT
1 stop11h 55m
Delta
Deal found 3/14![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 3/16. 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.
Wed 9/92:05 pm
SAT
- PWM
1 stop6h 05m
Southwest
Tue 9/157:45 am
PWM
- SAT
1 stop6h 05m
Southwest
Deal found 3/16![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 3/16. 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 6/102:00 pm
SAT
- BOS
Nonstop4h 15m
Delta
Sat 6/139:15 am
BOS
- SAT
Nonstop4h 37m
Delta
Deal found 3/16![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:49 am
SAT
- MHT
2 stops11h 07m
United Airlines
Wed 5/132:36 pm
MHT
- SAT
1 stop6h 59m
United Airlines
Deal found 3/16![United Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 3/18. 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.
Mon 5/46:05 pm
SAT
- BOS
1 stop10h 55m
Delta
Fri 5/88:30 am
BOS
- SAT
Nonstop4h 40m
Delta
Deal found 3/18![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sat 6/65:10 am
SAT
- MHT
1 stop5h 45m
Southwest
Sat 6/2711:40 am
MHT
- SAT
1 stop8h 15m
Southwest
Deal found 3/16![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 3/13. 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.
Sat 4/1112:22 pm
SAT
- BOS
Nonstop4h 00m
Delta
Tue 4/149:05 am
BOS
- SAT
Nonstop4h 42m
Delta
Deal found 3/13![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 6/65:10 am
SAT
- MHT
1 stop5h 45m
Southwest
Sat 6/135:05 pm
MHT
- SAT
1 stop7h 00m
Southwest
Deal found 3/14![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 3/18. 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.
Tue 4/2111:50 am
SAT
- PWM
2 stops10h 34m
Delta
Fri 4/246:00 am
PWM
- SAT
2 stops10h 49m
Delta
Deal found 3/18![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 3/14. 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.
Fri 4/1012:22 pm
SAT
- BOS
Nonstop4h 00m
Delta
Mon 4/206:50 pm
BOS
- SAT
1 stop6h 56m
Delta
Deal found 3/14![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 3/18. 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 6/115:10 am
SAT
- MHT
1 stop6h 40m
Southwest
Thu 6/115:10 pm
MHT
- SAT
2 stops8h 50m
Southwest
Deal found 3/18![Southwest logo]()
$542
This Delta deal was found by Cheapflights users on 3/19. 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.
Mon 4/204:30 pm
SAT
- PWM
1 stop5h 53m
Delta
Fri 4/246:00 am
PWM
- SAT
2 stops10h 49m
Delta
Deal found 3/19![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:00 am
SAT
- MHT
1 stop6h 35m
Southwest
Tue 5/53:45 pm
MHT
- SAT
1 stop6h 55m
Southwest
Deal found 3/17![Southwest logo]()
$546
This Delta deal was found by Cheapflights users on 3/15. 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.
Fri 5/224:15 pm
SAT
- BOS
1 stop6h 14m
Delta
Mon 5/257:05 pm
BOS
- SAT
1 stop6h 39m
Delta
Deal found 3/15![Delta logo]()
$428
Last-minute flights from San Antonio to New HampshireDiscover last-minute flight deals from San Antonio to New Hampshire. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to New Hampshire. Data last updated March 19, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:22 pm
SAT
- BOS
3 stops33h 37m
Spirit Airlines
Sat 4/45:49 pm
BOS
- SAT
1 stop16h 38m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:45 am
SAT
- BOS
2 stops17h 28m
Multiple Airlines
Fri 4/35:49 pm
BOS
- SAT
1 stop16h 38m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$305
This CheapOair deal was found by Cheapflights users on 3/18. 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.
Wed 4/110:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Mon 4/65:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/18![Spirit Airlines logo]()
$300
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Sat 4/45:49 pm
BOS
- SAT
1 stop16h 38m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$295
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:22 pm
SAT
- BOS
2 stops33h 37m
Spirit Airlines
Mon 4/65:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Mon 4/135:49 pm
BOS
- SAT
2 stops19h 38m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:22 pm
SAT
- BOS
2 stops25h 06m
Spirit Airlines
Sun 4/125:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:22 pm
SAT
- BOS
2 stops33h 37m
Spirit Airlines
Mon 4/135:49 pm
BOS
- SAT
1 stop16h 38m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$306
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Sun 4/125:45 am
BOS
- SAT
2 stops31h 42m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Sun 4/125:45 am
BOS
- SAT
1 stop28h 42m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$313
This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
SAT
- BOS
1 stop27h 15m
Spirit Airlines
Wed 4/225:55 am
BOS
- SAT
1 stop18h 56m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
SAT
- BOS
1 stop16h 57m
Multiple Airlines
Wed 5/68:44 am
BOS
- SAT
1 stop24h 31m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$299
One-way flights from San Antonio to New HampshireSearch for one-way flight options from San Antonio to New Hampshire. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
Search for one-way flight options from San Antonio to New Hampshire. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 pm
SAT
- BOS
1 stop6h 26m
Frontier
Deal found 3/16![Frontier logo]()
$105
This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:51 pm
SAT
- BOS
1 stop19h 30m
Frontier
Deal found 3/15![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$113
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:45 am
SAT
- BOS
2 stops17h 28m
Frontier
Deal found 3/15![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Mon 3/302:13 pm
SAT
- BOS
2 stops20h 28m
Frontier
Deal found 3/17![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:30 am
SAT
- BOS
2 stops22h 17m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:30 pm
SAT
- BOS
1 stop13h 59m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Tue 4/710:22 am
SAT
- BOS
1 stop28h 06m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$131
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$133
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:22 pm
SAT
- BOS
1 stop7h 11m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$134
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:22 am
SAT
- BOS
1 stop12h 37m
Spirit Airlines
Deal found 3/17![Spirit Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 3/16. 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 4/2111:50 am
SAT
- PWM
2 stops10h 34m
Delta
Deal found 3/16![Delta logo]()
$184
Find flight deals from San Antonio to New Hampshire
Keep the following information in mind while searching for San Antonio to New Hampshire flight deals. Data was last updated March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (CheapOair) |
One-way from | $105 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $458 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to New Hampshire 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 2,558,603 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from San Antonio to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Mon 5/4
3:05 pm-11:10 pm
2 stops7h 05m
Boston Logan Intl
Fri 5/8
5:50 pm-11:30 pm
1 stop6h 40m
$364
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Fri 5/29
4:15 pm-11:29 pm
1 stop6h 14m
Boston Logan Intl
Tue 6/2
8:30 am-12:10 pm
Nonstop4h 40m
$369
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Fri 5/8
4:11 pm-1:28 am
1 stop8h 17m
Boston Logan Intl
Sun 5/10
6:10 am-5:05 pm
1 stop11h 55m
$379
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Wed 6/10
2:00 pm-7:15 pm
Nonstop4h 15m
Boston Logan Intl
Sat 6/13
9:15 am-12:52 pm
Nonstop4h 37m
$388
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
Wed 9/9
2:05 pm-9:10 pm
1 stop6h 05m
Portland
Tue 9/15
7:45 am-12:50 pm
1 stop6h 05m
$407
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Mon 5/4
6:05 pm-6:00 am
1 stop10h 55m
Boston Logan Intl
Fri 5/8
8:30 am-12:10 pm
Nonstop4h 40m
$407
Quickest round-trip
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Sat 4/11
12:22 pm-5:22 pm
Nonstop4h 00m
Boston Logan Intl
Tue 4/14
9:05 am-12:47 pm
Nonstop4h 42m
$409
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
Tue 4/21
11:50 am-11:24 pm
2 stops10h 34m
Portland
Fri 4/24
6:00 am-3:49 pm
2 stops10h 49m
$412
San AntonioBoston
SAT - BOS
SATBOS
San Antonio
Fri 4/10
12:22 pm-5:22 pm
Nonstop4h 00m
Boston Logan Intl
Mon 4/20
6:50 pm-12:46 am
1 stop6h 56m
$419
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
Mon 4/20
4:30 pm-11:23 pm
1 stop5h 53m
Portland
Fri 4/24
6:00 am-3:49 pm
2 stops10h 49m
$427
Showing 1-10 of 46 resultsSorted by cheapest first
Best time to book a flight from San Antonio to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San Antonio with our price prediction graph.
SAT-BOS
SAT-PWM
SAT-MHT
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 San Antonio to New Hampshire
SAT-USNH
SAT-BOS
SAT-PWM
SAT-MHT
What is the cheapest month to book a flight from San Antonio to New Hampshire?
Currently, August is the cheapest month in which you can book a flight from San Antonio to New Hampshire (average of $297). Flying from San Antonio to New Hampshire in March is currently the most expensive (average of $423). 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.
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated March 19, 2026.
Read reviews from past customers who have flown Southwest and American Airlines from San Antonio to New Hampshire. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio to New Hampshire
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Complete your trip
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San Antonio and New Hampshire flights
Browse other San Antonio and New Hampshire flight options. Last updated on March 19, 2026.
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San Antonio to New Hampshire flights
Consider these flights traveling from San Antonio to New Hampshire.
Top 2 airlines flying from San Antonio to New Hampshire
Discover the top 2 airlines that operate flights from San Antonio to New Hampshire. 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 2,558,603 searches. Data last updated March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$342 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$437 | FlexibilityNo cancel fee | On-time63% |