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$108+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJO
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$290
(Cheapflightsfares)

One-way from

$108
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$590
Provider with most accurate pricing for Boston Logan Intl-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San José Juan Santamaria Intl flights.
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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. 14% potential increase in price ($88 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 April 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 April 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/276:10 amBOS - SJO
1 stop7h 23mSpirit Airlines
Wed 5/2812:28 pmSJO - BOS
1 stop24h 16mSpirit Airlines
Deal found 4/26$291
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/65:10 amBOS - SJO
1 stop8h 17mAmerican Airlines
Tue 5/136:03 amSJO - BOS
1 stop7h 59mAmerican Airlines
Deal found 4/28$305
This Copa Airlines deal was found by Cheapflights users on 4/28. 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 5/153:55 pmBOS - SJO
1 stop17h 40mCopa Airlines
Mon 5/195:52 pmSJO - BOS
1 stop18h 22mCopa Airlines
Deal found 4/28$307
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/278:47 amBOS - SJO
1 stop9h 35mMultiple Airlines
Fri 5/3011:32 amSJO - BOS
1 stop10h 15mMultiple Airlines
Deal found 4/27$316
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 5/188:23 pmPWM - SJO
1 stop16h 04mMultiple Airlines
Sun 6/111:32 amSJO - PWM
1 stop21h 38mMultiple Airlines
Deal found 4/28$355
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 5/74:50 pmBOS - SJO
1 stop8h 45mAvianca
Thu 6/268:00 pmSJO - BOS
1 stop16h 55mAvianca
Deal found 4/27$362
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/108:00 amBOS - SJO
2 stops13h 37mUnited Airlines
Sun 5/257:55 amSJO - BOS
1 stop13h 49mUnited Airlines
Deal found 4/26$374
This American Airlines deal was found by Cheapflights users on 4/28. 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 8/115:40 amMHT - SJO
2 stops16h 34mAmerican Airlines
Tue 8/197:25 amSJO - MHT
2 stops14h 14mAmerican Airlines
Deal found 4/28$385
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/277:40 amBOS - LIR
1 stop7h 46mAmerican Airlines
Tue 6/32:26 pmLIR - BOS
1 stop17h 29mAmerican Airlines
Deal found 4/28$391
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/25:38 amPWM - SJO
2 stops18h 26mAmerican Airlines
Mon 5/52:18 pmSJO - PWM
2 stops19h 30mAmerican Airlines
Deal found 4/28$393
This Delta deal was found by Cheapflights users on 4/27. 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 11/186:00 amBOS - SJO
1 stop7h 52mDelta
Tue 11/257:00 amSJO - BOS
1 stop9h 50mDelta
Deal found 4/27$402
This JetBlue deal was found by Cheapflights users on 4/27. 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.
Mon 8/116:25 amBOS - SJO
1 stop7h 30mJetBlue
Wed 8/2012:55 pmSJO - BOS
1 stop8h 53mJetBlue
Deal found 4/27$415

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 April 29, 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 5/27

6:10 am-11:33 am

1 stop7h 23m

San José Juan Santamaria Intl

Wed 5/28

12:28 pm-2:44 pm

1 stop24h 16m

$291

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 5/8

5:00 am-1:09 pm

1 stop10h 09m

San José Juan Santamaria Intl

Mon 5/12

11:59 pm-9:00 pm

1 stop19h 01m

$305

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 5/15

3:55 pm-7:35 am

1 stop17h 40m

San José Juan Santamaria Intl

Mon 5/19

5:52 pm-2:14 pm

1 stop18h 22m

$307

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 5/27

8:47 am-4:22 pm

1 stop9h 35m

San José Juan Santamaria Intl

Fri 5/30

11:32 am-11:47 pm

1 stop10h 15m

$316

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sun 5/18

8:23 pm-10:27 am

1 stop16h 04m

San José Juan Santamaria Intl

Sun 6/1

11:32 am-11:10 am

1 stop21h 38m

$355

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 5/10

8:00 am-7:37 pm

2 stops13h 37m

San José Juan Santamaria Intl

Sun 5/25

7:55 am-11:44 pm

1 stop13h 49m

$374

ManchesterSan José

MHT - SJO

MHTSJO

Manchester

Mon 8/11

5:40 am-8:14 pm

2 stops16h 34m

San José Juan Santamaria Intl

Tue 8/19

7:25 am-11:39 pm

2 stops14h 14m

$385

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Tue 5/27

7:40 am-1:26 pm

1 stop7h 46m

Liberia

Tue 6/3

2:26 pm-9:55 am

1 stop17h 29m

$391

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 8/11

6:25 am-11:55 am

1 stop7h 30m

San José Juan Santamaria Intl

Wed 8/20

12:55 pm-11:48 pm

1 stop8h 53m

$415

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 5/19

4:50 pm-11:35 pm

1 stop8h 45m

San José Juan Santamaria Intl

Thu 5/22

1:40 am-7:15 am

1 stop27h 35m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 43 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 April 29, 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 April 29, 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
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,410 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
SWISS
7.5
Good
1,587 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($108), Avianca ($133), and Delta ($162).

  • 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$320Average$684FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$615Average$903FlexibilityNo cancel feeOn-time63%

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