$122+ Cheap flights from New Hampshire to Costa Rica
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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJO
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from New Hampshire to Costa Rica 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 New Hampshire to Costa Rica
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Cheapest flights from New Hampshire to Costa RicaExplore the most affordable flight options available from New Hampshire to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from New Hampshire to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. 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 5/55:51 pm
PWM
- SJO
2 stops19h 16m
American Airlines
Mon 5/1112:10 pm
SJO
- PWM
2 stops22h 28m
American Airlines
Deal found 2/2![American Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/256:30 am
BOS
- SJO
1 stop14h 42m
American Airlines
Wed 5/612:35 pm
SJO
- BOS
1 stop8h 32m
American Airlines
Deal found 2/3![American Airlines logo]()
$276
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:10 pm
BOS
- SJO
1 stop19h 12m
Spirit Airlines
Tue 4/1411:38 am
SJO
- BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/48:05 am
BOS
- SJO
1 stop16h 38m
American Airlines
Tue 2/106:00 am
SJO
- BOS
2 stops12h 07m
American Airlines
Deal found 2/3![American Airlines logo]()
$278
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Tue 3/35:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Mon 3/911:35 am
SJO
- BOS
1 stop22h 13m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$279
This CheapOair deal was found by Cheapflights users on 2/2. 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 3/412:43 pm
BOS
- SJO
1 stop23h 57m
Spirit Airlines
Wed 3/1111:35 am
SJO
- BOS
1 stop8h 26m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$280
This Copa Airlines deal was found by Cheapflights users on 2/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:07 pm
BOS
- SJO
1 stop16h 59m
Copa Airlines
Sun 2/85:51 pm
SJO
- BOS
1 stop18h 48m
Copa Airlines
Deal found 2/2![Copa Airlines logo]()
$281
This CheapOair deal was found by Cheapflights users on 2/3. 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 3/115:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Wed 3/1812:19 pm
SJO
- BOS
1 stop9h 40m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$282
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Thu 3/1211:38 am
SJO
- BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$283
This Expedia deal was found by Cheapflights users on 2/2. 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.
Thu 5/145:40 am
BOS
- SJO
1 stop7h 42m
Multiple Airlines
Tue 5/1912:40 pm
SJO
- BOS
1 stop9h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$284
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:07 pm
BOS
- SJO
3 stops26h 39m
Copa Airlines
Tue 3/106:08 pm
SJO
- BOS
1 stop18h 34m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$286
This Expedia deal was found by Cheapflights users on 2/3. 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 3/95:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Thu 3/1911:38 am
SJO
- BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$288
Best flights from New Hampshire to Costa RicaDiscover carefully curated flight deals from New Hampshire to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from New Hampshire to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:31 am
BOS
- SJO
1 stop12h 25m
Copa Airlines
Sun 3/85:51 pm
SJO
- BOS
1 stop18h 51m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/175:40 pm
PWM
- LIR
2 stops19h 43m
American Airlines
Mon 3/3012:30 pm
LIR
- PWM
2 stops21h 44m
American Airlines
Deal found 2/1![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/2. 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 2/204:30 pm
ORH
- LIR
2 stops19h 30m
Delta
Thu 2/263:30 pm
LIR
- ORH
2 stops23h 03m
Delta
Deal found 2/2![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 4/227:30 pm
BOS
- LIR
2 stops18h 40m
United Airlines
Sun 4/263:27 pm
LIR
- BOS
2 stops15h 58m
United Airlines
Deal found 2/2![United Airlines logo]()
$351
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:52 am
BOS
- LIR
Nonstop5h 43m
JetBlue
Tue 4/281:00 pm
LIR
- BOS
1 stop21h 07m
JetBlue
Deal found 2/3![JetBlue logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/99:59 am
MHT
- SJO
2 stops26h 41m
Multiple Airlines
Tue 3/2411:38 am
SJO
- MHT
1 stop27h 51m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$433
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:05 pm
BOS
- SJO
1 stop18h 15m
Copa Airlines
Sun 3/86:08 pm
SJO
- BOS
1 stop18h 34m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$281
This Copa Airlines deal was found by Cheapflights users on 2/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:07 pm
BOS
- SJO
1 stop18h 59m
Copa Airlines
Thu 3/510:08 am
SJO
- BOS
1 stop11h 02m
Copa Airlines
Deal found 2/2![Copa Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 3/186:29 pm
PWM
- LIR
2 stops20h 44m
American Airlines
Mon 3/302:18 pm
LIR
- PWM
2 stops19h 56m
American Airlines
Deal found 2/2![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/2. 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 2/204:30 pm
ORH
- LIR
2 stops19h 30m
Delta
Wed 2/253:30 pm
LIR
- ORH
2 stops23h 03m
Delta
Deal found 2/2![Delta logo]()
$331
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:05 pm
BOS
- SJO
1 stop19h 00m
Copa Airlines
Sun 3/86:08 pm
SJO
- BOS
1 stop18h 34m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/116:19 pm
BOS
- LIR
2 stops19h 51m
United Airlines
Sat 4/183:27 pm
LIR
- BOS
2 stops15h 58m
United Airlines
Deal found 2/1![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 3/195:02 pm
MHT
- LIR
2 stops22h 11m
American Airlines
Thu 3/262:13 pm
LIR
- MHT
2 stops19h 08m
American Airlines
Deal found 2/1![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/2. 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 4/282:51 pm
PWM
- SJO
2 stops23h 05m
Delta
Tue 5/121:25 pm
SJO
- PWM
2 stops20h 32m
Delta
Deal found 2/2![Delta logo]()
$333
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/103:07 pm
BOS
- SJO
1 stop18h 14m
Copa Airlines
Sun 2/155:51 pm
SJO
- BOS
1 stop18h 48m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 2/2. 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 4/295:21 am
PWM
- SJO
1 stop8h 35m
Delta
Tue 5/121:25 pm
SJO
- PWM
2 stops20h 32m
Delta
Deal found 2/2![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/96:00 pm
PWM
- SJO
2 stops27h 33m
American Airlines
Tue 3/2411:35 pm
SJO
- PWM
2 stops21h 15m
American Airlines
Deal found 2/2![American Airlines logo]()
$335
This JetBlue deal was found by Cheapflights users on 2/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:00 am
BOS
- LIR
1 stop7h 55m
JetBlue
Wed 3/112:55 pm
LIR
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/1![JetBlue logo]()
$410
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:31 am
BOS
- SJO
1 stop10h 17m
Copa Airlines
Mon 3/26:08 pm
SJO
- BOS
1 stop18h 34m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/196:00 am
MHT
- SJO
2 stops31h 31m
American Airlines
Tue 3/33:59 pm
SJO
- MHT
2 stops18h 36m
American Airlines
Deal found 2/2![American Airlines logo]()
$338
This JetBlue deal was found by Cheapflights users on 2/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:00 am
BOS
- LIR
1 stop7h 55m
JetBlue
Thu 3/122:55 pm
LIR
- BOS
Nonstop5h 20m
JetBlue
Deal found 2/1![JetBlue logo]()
$410
This Copa Airlines deal was found by Cheapflights users on 2/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:44 am
BOS
- SJO
1 stop12h 17m
Copa Airlines
Mon 3/94:09 am
SJO
- BOS
1 stop17h 01m
Copa Airlines
Deal found 2/2![Copa Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 5/277:15 pm
PWM
- SJO
2 stops16h 56m
United Airlines
Wed 6/312:44 pm
SJO
- PWM
1 stop8h 46m
United Airlines
Deal found 2/3![United Airlines logo]()
$414
This Gurufare deal was found by Cheapflights users on 2/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:13 pm
PWM
- SJO
2 stops17h 58m
Multiple Airlines
Tue 4/217:55 am
SJO
- PWM
2 stops23h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 2/1. 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 3/36:55 am
BOS
- LIR
1 stop7h 55m
Delta
Tue 3/101:05 pm
LIR
- BOS
1 stop10h 08m
Delta
Deal found 2/1![Delta logo]()
$375
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/36:36 pm
PWM
- LIR
2 stops18h 34m
American Airlines
Mon 3/91:32 pm
LIR
- PWM
1 stop25h 35m
American Airlines
Deal found 2/3![American Airlines logo]()
$343
This Copa Airlines deal was found by Cheapflights users on 2/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/193:07 pm
BOS
- SJO
3 stops26h 39m
Copa Airlines
Fri 2/275:50 am
SJO
- BOS
1 stop15h 13m
Copa Airlines
Deal found 2/2![Copa Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 2/2. 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 5/315:20 am
PWM
- SJO
2 stops30h 51m
United Airlines
Fri 6/512:30 am
SJO
- PWM
2 stops19h 28m
United Airlines
Deal found 2/2![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/226:00 am
BOS
- LIR
1 stop9h 40m
American Airlines
Tue 4/282:40 pm
LIR
- BOS
1 stop17h 22m
American Airlines
Deal found 2/3![American Airlines logo]()
$346
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:07 pm
BOS
- SJO
3 stops26h 39m
Copa Airlines
Tue 3/106:08 pm
SJO
- BOS
1 stop18h 34m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$286
Last-minute flights from New Hampshire to Costa RicaDiscover last-minute flight deals from New Hampshire to Costa Rica. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Costa Rica. Data last updated February 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/48:05 am
BOS
- SJO
1 stop16h 38m
American Airlines
Tue 2/106:00 am
SJO
- BOS
2 stops12h 07m
American Airlines
Deal found 2/3![American Airlines logo]()
$278
This Copa Airlines deal was found by Cheapflights users on 2/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:07 pm
BOS
- SJO
1 stop16h 59m
Copa Airlines
Sun 2/85:51 pm
SJO
- BOS
1 stop18h 48m
Copa Airlines
Deal found 2/2![Copa Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/56:10 am
BOS
- SJO
1 stop17h 20m
American Airlines
Tue 2/106:00 am
SJO
- BOS
2 stops12h 07m
American Airlines
Deal found 2/2![American Airlines logo]()
$284
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:10 pm
BOS
- SJO
1 stop19h 12m
Spirit Airlines
Tue 4/1411:38 am
SJO
- BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/256:30 am
BOS
- SJO
1 stop14h 42m
American Airlines
Wed 5/612:35 pm
SJO
- BOS
1 stop8h 32m
American Airlines
Deal found 2/3![American Airlines logo]()
$276
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:07 pm
BOS
- SJO
3 stops26h 39m
Copa Airlines
Tue 3/106:08 pm
SJO
- BOS
1 stop18h 34m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$286
This Copa Airlines deal was found by Cheapflights users on 2/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:07 pm
BOS
- SJO
1 stop16h 59m
Copa Airlines
Fri 3/65:50 am
SJO
- BOS
1 stop15h 20m
Copa Airlines
Deal found 2/3![Copa Airlines logo]()
$289
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Tue 3/35:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Mon 3/911:35 am
SJO
- BOS
1 stop22h 13m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$279
This CheapOair deal was found by Cheapflights users on 2/2. 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 3/412:43 pm
BOS
- SJO
1 stop23h 57m
Spirit Airlines
Wed 3/1111:35 am
SJO
- BOS
1 stop8h 26m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$280
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Thu 3/1211:38 am
SJO
- BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$283
This Expedia deal was found by Cheapflights users on 2/3. 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 3/95:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Thu 3/1911:38 am
SJO
- BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$288
This CheapOair deal was found by Cheapflights users on 2/3. 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 3/115:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Wed 3/1812:19 pm
SJO
- BOS
1 stop9h 40m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$282
One-way flights from New Hampshire to Costa RicaSearch for one-way flight options from New Hampshire to Costa Rica. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from New Hampshire to Costa Rica. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:27 am
BOS
- SJO
1 stop7h 55m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$122
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Sun 2/86:10 am
BOS
- SJO
1 stop17h 20m
American Airlines
Deal found 2/3![American Airlines logo]()
$127
This Avianca deal was found by Cheapflights users on 2/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:25 pm
BOS
- SJO
1 stop21h 00m
Avianca
Deal found 2/3![Avianca logo]()
$128
This CheapOair deal was found by Cheapflights users on 2/2. 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 3/412:43 pm
BOS
- SJO
1 stop23h 57m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$129
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Tue 3/315:49 pm
BOS
- SJO
2 stops18h 53m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$131
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Mon 3/26:10 pm
BOS
- SJO
2 stops22h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$133
This Avianca deal was found by Cheapflights users on 2/2. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:50 pm
BOS
- SJO
1 stop8h 50m
Avianca
Deal found 2/2![Avianca logo]()
$135
This CheapOair deal was found by Cheapflights users on 2/2. 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 3/512:43 pm
BOS
- SJO
1 stop23h 57m
Spirit Airlines
Deal found 2/2![Spirit Airlines logo]()
$139
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Wed 3/46:10 pm
BOS
- SJO
2 stops22h 10m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$140
This CheapOair deal was found by Cheapflights users on 2/3. 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 4/99:45 am
BOS
- SJO
1 stop26h 57m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$143
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:15 am
BOS
- LIR
1 stop29h 35m
Air Canada
Deal found 2/2![Air Canada logo]()
$147
This Super.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/159:52 am
BOS
- LIR
Nonstop5h 43m
JetBlue
Deal found 2/2![JetBlue logo]()
$150
Find flight deals from New Hampshire to Costa Rica
Keep the following information in mind while searching for New Hampshire to Costa Rica flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $275 (American Airlines) |
One-way from | $122 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $495 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire to Costa Rica 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 February 4, 2026.
Use the filters below to find and compare flights from New Hampshire to Costa Rica that are best for you.
Fly from
New Hampshire
Fly to
Costa Rica
Route
Depart
Return
Price
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Wed 2/25
7:31 am-6:56 pm
1 stop12h 25m
San José Juan Santamaria Intl
Sun 3/8
5:51 pm-2:42 pm
1 stop18h 51m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Mon 3/2
3:05 pm-8:20 am
1 stop18h 15m
San José Juan Santamaria Intl
Sun 3/8
6:08 pm-2:42 pm
1 stop18h 34m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Thu 2/26
3:07 pm-9:06 am
1 stop18h 59m
San José Juan Santamaria Intl
Thu 3/5
10:08 am-10:10 pm
1 stop11h 02m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Sun 3/1
3:05 pm-9:05 am
1 stop19h 00m
San José Juan Santamaria Intl
Sun 3/8
6:08 pm-2:42 pm
1 stop18h 34m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Tue 2/10
3:07 pm-8:21 am
1 stop18h 14m
San José Juan Santamaria Intl
Sun 2/15
5:51 pm-1:39 pm
1 stop18h 48m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Tue 2/24
7:31 am-4:48 pm
1 stop10h 17m
San José Juan Santamaria Intl
Mon 3/2
6:08 pm-1:42 pm
1 stop18h 34m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Thu 3/5
7:44 am-7:01 pm
1 stop12h 17m
San José Juan Santamaria Intl
Mon 3/9
4:09 am-11:10 pm
1 stop17h 01m
$281
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Thu 2/19
3:07 pm-4:46 pm
3 stops26h 39m
San José Juan Santamaria Intl
Fri 2/27
5:50 am-10:03 pm
1 stop15h 13m
$286
BostonSan José
BOS - SJO
BOSSJO
Boston Logan Intl
Thu 2/26
3:07 pm-4:46 pm
3 stops26h 39m
San José Juan Santamaria Intl
Tue 3/10
6:08 pm-2:42 pm
1 stop18h 34m
$286
PortlandLiberia
PWM - LIR
PWMLIR
Portland
Tue 3/17
5:40 pm-11:23 am
2 stops19h 43m
Liberia
Mon 3/30
12:30 pm-12:14 pm
2 stops21h 44m
$331
Showing 1-10 of 60 results
Best time to book a flight from New Hampshire to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from New Hampshire with our price prediction graph.
BOS-SJO
BOS-LIR
PWM-SJO
PWM-LIR
ORH-LIR
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 New Hampshire to Costa Rica
USNH-CR0
BOS-SJO
BOS-LIR
PWM-SJO
PWM-LIR
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from New Hampshire to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for New Hampshire to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Hampshire to Costa Rica by cabin class
Find flights from New Hampshire to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Hampshire and Costa Rica flights
Browse other New Hampshire and Costa Rica flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Costa Rica
Find the right flight back to New Hampshire after your stay in Costa Rica
New Hampshire to Costa Rica flights
Consider these flights traveling from New Hampshire to Costa Rica.
Top 2 airlines flying from New Hampshire to Costa Rica
Discover the top 2 airlines that operate flights from New Hampshire to Costa Rica. 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$668 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$591 | Average$642 | FlexibilityNo cancel fee | On-time63% |