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Costa Rica

$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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$292
(Cheapflightsfares)

One-way from

$106
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$552
From New Hampshire to Costa Rica
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One-way flight from New Hampshire to Costa Rica
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Highest demand for flights based on searches. 13% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 7/86:15 amBOS - SJO
1 stop7h 04mSpirit Airlines
Wed 7/1612:16 pmSJO - BOS
1 stop9h 32mSpirit Airlines
Deal found 6/11$292
This Delta deal was found by Cheapflights users on 6/9. 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 8/196:00 amPWM - SJO
1 stop8h 10mDelta
Fri 9/51:35 pmSJO - PWM
1 stop8h 28mDelta
Deal found 6/9$296
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 12/12:36 pmBOS - SJO
1 stop18h 25mCopa Airlines
Sun 12/74:13 amSJO - BOS
1 stop13h 07mCopa Airlines
Deal found 6/11$311
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/243:20 pmORH - SJO
2 stops23h 35mAmerican Airlines
Fri 8/292:15 pmSJO - ORH
2 stops22h 40mAmerican Airlines
Deal found 6/9$312
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:25 amBOS - SJO
1 stop7h 30mJetBlue
Wed 9/171:00 pmSJO - BOS
1 stop8h 59mJetBlue
Deal found 6/12$315
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/86:15 amBOS - SJO
1 stop7h 04mMultiple Airlines
Mon 7/145:10 pmSJO - BOS
1 stop13h 27mMultiple Airlines
Deal found 6/10$324
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/216:00 amPWM - SJO
2 stops9h 15mAmerican Airlines
Thu 9/46:00 amSJO - PWM
2 stops16h 09mAmerican Airlines
Deal found 6/9$329
This American Airlines deal was found by Cheapflights users on 6/9. 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 11/13:56 pmMHT - SJO
2 stops33h 04mAmerican Airlines
Wed 12/37:00 amSJO - MHT
2 stops16h 46mAmerican Airlines
Deal found 6/9$340
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:20 amBOS - LIR
1 stop28h 35mAir Canada
Tue 11/113:00 pmLIR - BOS
1 stop22h 38mAir Canada
Deal found 6/12$416
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/112:00 pmMHT - SJO
2 stops24h 26mUnited Airlines
Tue 8/195:30 amSJO - MHT
2 stops27h 12mUnited Airlines
Deal found 6/10$418
This Air Canada deal was found by Cheapflights users on 6/10. 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 6/115:50 amBOS - SJO
1 stop16h 35mAir Canada
Wed 6/188:00 amSJO - BOS
1 stop23h 55mAir Canada
Deal found 6/10$420
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/116:05 pmPWM - SJO
1 stop18h 24mMultiple Airlines
Tue 8/191:41 pmSJO - PWM
1 stop20h 12mMultiple Airlines
Deal found 6/11$425

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 June 12, 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 7/8

6:15 am-11:19 am

1 stop7h 04m

San José Juan Santamaria Intl

Wed 7/16

12:16 pm-11:48 pm

1 stop9h 32m

$292

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 8/19

6:00 am-12:10 pm

1 stop8h 10m

San José Juan Santamaria Intl

Thu 9/4

1:35 pm-12:03 am

1 stop8h 28m

$296

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 9/4

3:49 pm-8:20 am

1 stop18h 31m

San José Juan Santamaria Intl

Tue 9/23

5:52 am-7:22 pm

1 stop11h 30m

$311

WorcesterSan José

ORH - SJO

ORHSJO

Worcester

Sun 8/24

3:20 pm-12:55 pm

2 stops23h 35m

San José Juan Santamaria Intl

Fri 8/29

2:15 pm-2:55 pm

2 stops22h 40m

$312

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/2

6:25 am-11:55 am

1 stop7h 30m

San José Juan Santamaria Intl

Wed 9/17

1:00 pm-11:59 pm

1 stop8h 59m

$315

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 7/8

6:15 am-11:19 am

1 stop7h 04m

San José Juan Santamaria Intl

Mon 7/14

5:10 pm-8:37 am

1 stop13h 27m

$324

PortlandSan José

PWM - SJO

PWMSJO

Portland

Thu 8/21

6:00 am-1:15 pm

2 stops9h 15m

San José Juan Santamaria Intl

Thu 9/4

6:00 am-12:09 am

2 stops16h 09m

$329

ManchesterSan José

MHT - SJO

MHTSJO

Manchester

Sat 11/1

3:56 pm-11:00 pm

2 stops33h 04m

San José Juan Santamaria Intl

Wed 12/3

7:00 am-12:46 am

2 stops16h 46m

$340

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 11/5

10:20 am-1:55 pm

1 stop28h 35m

Liberia

Tue 11/11

3:00 pm-2:38 pm

1 stop22h 38m

$416

ManchesterSan José

MHT - SJO

MHTSJO

Manchester

Mon 8/11

2:00 pm-12:26 pm

2 stops24h 26m

San José Juan Santamaria Intl

Tue 8/19

5:30 am-10:42 am

2 stops27h 12m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 48 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to Costa Rica as you normally would.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from New Hampshire to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Copa Airlines
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you 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.

  • 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 Spirit Airlines ($106), JetBlue ($145), and Southwest ($183).

  • 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.

  • What is the cheapest month to book a flight from New Hampshire to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from New Hampshire to Costa Rica (average of $398). Flying from New Hampshire to Costa Rica in March is currently the most expensive (average of $555). 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.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$320Average$635FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$591Average$837FlexibilityNo cancel feeOn-time63%

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