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$106+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJO
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from New Hampshire to Costa Rica

Cheapest flights from New Hampshire to Costa Rica
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 November 2, 2025.

This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:30 pmBOS - SJO
1 stop13h 22mJetBlue
Wed 12/102:01 pmSJO - BOS
1 stop8h 10mJetBlue
Deal found 11/1$243
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 11/196:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Tue 11/251:20 pmSJO - BOS
1 stop9h 33mSpirit Airlines
Deal found 11/2$244
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Sat 12/68:11 pmBOS - SJO
1 stop16h 31mSpirit Airlines
Wed 1/141:19 pmSJO - BOS
1 stop10h 21mSpirit Airlines
Deal found 11/2$248
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Sat 11/151:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 11/1$249
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/156:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Mon 11/1712:34 pmSJO - BOS
2 stops34h 25mSpirit Airlines
Deal found 10/31$251
This JetBlue deal was found by Cheapflights users on 11/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:30 pmBOS - SJO
1 stop13h 22mJetBlue
Mon 12/2210:00 amSJO - BOS
1 stop11h 56mJetBlue
Deal found 11/2$252
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/49:45 amBOS - SJO
1 stop11h 54mUnited Airlines
Thu 11/68:45 amSJO - BOS
2 stops13h 03mUnited Airlines
Deal found 10/31$256
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/15:30 amPWM - SJO
2 stops16h 09mUnited Airlines
Mon 11/108:45 amSJO - PWM
2 stops13h 32mUnited Airlines
Deal found 10/31$256
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/56:48 amBOS - SJO
1 stop16h 25mAmerican Airlines
Fri 11/73:11 pmSJO - BOS
1 stop8h 40mAmerican Airlines
Deal found 10/31$257
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/56:00 amBOS - SJO
1 stop17h 28mAmerican Airlines
Wed 12/101:15 pmSJO - BOS
2 stops10h 00mAmerican Airlines
Deal found 11/1$261
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/41:42 pmBOS - SJO
1 stop9h 31mAmerican Airlines
Fri 11/73:11 pmSJO - BOS
1 stop8h 40mAmerican Airlines
Deal found 10/31$262
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:45 pmBOS - SJO
1 stop17h 34mSpirit Airlines
Tue 12/91:31 pmSJO - BOS
1 stop9h 25mSpirit Airlines
Deal found 11/1$263

Cheap 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 November 2, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$243
(Trip.com)

One-way from

$106
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$412
Provider with most accurate pricing for Boston Logan Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San José Juan Santamaria Intl flights.
Search Deals
From New Hampshire to Costa Rica
Search Deals
One-way flight from New Hampshire to Costa Rica
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 2, 2025.
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

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Mon 1/5

6:41 pm-12:12 pm

2 stops18h 31m

Liberia

Mon 1/12

3:13 pm-12:05 pm

2 stops19h 52m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/18

9:40 am-8:39 pm

2 stops11h 59m

San José Juan Santamaria Intl

Sun 11/23

11:28 pm-10:39 am

1 stop10h 11m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 12/9

7:40 pm-8:52 am

1 stop14h 12m

San José Juan Santamaria Intl

Wed 12/17

2:01 pm-11:11 pm

1 stop8h 10m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 12/4

8:30 pm-8:52 am

1 stop13h 22m

San José Juan Santamaria Intl

Tue 12/9

10:00 am-11:11 pm

1 stop12h 11m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 11/8

9:35 am-8:39 pm

1 stop12h 04m

San José Juan Santamaria Intl

Mon 11/10

8:45 am-11:15 pm

1 stop13h 30m

$252

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 2/9

5:20 am-7:44 pm

2 stops15h 24m

San José Juan Santamaria Intl

Wed 2/18

3:56 pm-10:27 am

2 stops17h 31m

$256

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sun 2/1

12:46 pm-10:30 pm

2 stops10h 44m

San José Juan Santamaria Intl

Fri 2/13

7:00 am-11:49 pm

2 stops15h 49m

$272

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 12/10

7:40 pm-8:52 am

1 stop14h 12m

San José Juan Santamaria Intl

Fri 12/19

10:00 am-9:59 pm

1 stop10h 59m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 11/30

2:44 pm-8:19 am

1 stop18h 35m

San José Juan Santamaria Intl

Wed 12/10

11:00 am-10:40 pm

1 stop10h 40m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 11/13

7:34 am-6:55 pm

1 stop12h 21m

San José Juan Santamaria Intl

Sun 11/16

4:08 am-10:03 pm

1 stop16h 55m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 60 results
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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.
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

What is the cheapest time of day to fly from NH to CR?

Find hourly flight availability from New Hampshire to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

A simple way to save on the total cost of your ticket is to fly from New Hampshire to Costa Rica in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

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.

  • How long is the flight from New Hampshire to Costa Rica?

    A quick flight from New Hampshire to Costa Rica can take about 11h 59m. American Airlines provides one of the quickest options available for as low as $252. There are 2373 mi between New Hampshire and Costa Rica. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from New Hampshire to Costa Rica one-way?

    The cheapest airlines for a one-way flight from New Hampshire to Costa Rica are JetBlue ($110), United Airlines ($110), and American Airlines ($146).

  • Can I find deals for flights from New Hampshire to Costa Rica that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Costa Rica.

  • Can I find deals for business class flights from New Hampshire to Costa Rica?

    Yes. Cheapflights offers flight deals from New Hampshire to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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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.
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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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$374Average$661FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$591Average$672FlexibilityNo cancel feeOn-time63%

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