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$152+ Cheap flights from Boston (BOS) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Boston to Costa Rica

Keep the following information in mind while searching for Boston to Costa Rica flight deals. Data was last updated February 20, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$368
(JetBlue)

One-way from

$152
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$593

Good round-trip deal

$472 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for Boston Logan Intl-Costa Rica flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Costa Rica flights.
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From Boston Logan Intl to Costa Rica
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One-way flight from Boston Logan Intl to Costa Rica
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Highest demand for flights based on searches. 14% potential increase in price ($87 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 February 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Costa Rica.
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Price to beat on a one-way flight from Boston Logan Intl to Costa Rica.
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Find flight deals from Boston to Costa Rica

Cheapest flights from Boston to Costa Rica
Explore the most affordable flight options available from Boston to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This JetBlue deal was found by Cheapflights users on 2/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/247:37 amBOS - LIR
Nonstop5h 47mJetBlue
Wed 4/211:44 amLIR - BOS
Nonstop5h 25mJetBlue
Deal found 2/18$367
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/58:30 amBOS - SJO
2 stops14h 35mMultiple Airlines
Thu 3/1311:30 amSJO - BOS
1 stop11h 04mMultiple Airlines
Deal found 2/19$367
This Delta deal was found by Cheapflights users on 2/20. 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 3/297:28 amBOS - LIR
Nonstop5h 57mDelta
Sat 4/51:15 pmLIR - BOS
Nonstop5h 27mDelta
Deal found 2/20$368
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/98:31 pmBOS - SJO
1 stop15h 53mSpirit Airlines
Fri 4/1811:35 amSJO - BOS
1 stop9h 22mSpirit Airlines
Deal found 2/18$368
This JetBlue deal was found by Cheapflights users on 2/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/265:40 amBOS - SJO
1 stop7h 25mJetBlue
Wed 4/211:29 pmSJO - BOS
1 stop13h 25mJetBlue
Deal found 2/19$373
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/246:32 pmBOS - LIR
1 stop19h 53mAmerican Airlines
Wed 4/22:11 pmLIR - BOS
1 stop21h 02mAmerican Airlines
Deal found 2/18$382
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/77:32 pmBOS - LIR
2 stops20h 51mUnited Airlines
Mon 4/143:25 pmLIR - BOS
1 stop19h 02mUnited Airlines
Deal found 2/20$383
This Gotogate deal was found by Cheapflights users on 2/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:50 amBOS - LIR
1 stop27h 40mAir Canada
Wed 4/92:30 pmLIR - BOS
1 stop23h 26mAir Canada
Deal found 2/18$391
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:25 pmBOS - SJO
2 stops17h 55mAmerican Airlines
Tue 9/1611:35 amSJO - BOS
2 stops18h 30mAmerican Airlines
Deal found 2/19$408
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Thu 12/42:36 pmBOS - SJO
1 stop18h 25mCopa Airlines
Wed 12/106:12 pmSJO - BOS
1 stop17h 52mCopa Airlines
Deal found 2/20$423
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/284:50 pmBOS - SJO
1 stop8h 45mAvianca
Tue 5/131:55 amSJO - BOS
1 stop27h 20mAvianca
Deal found 2/19$468
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/119:25 amBOS - SJO
2 stops13h 30mUnited Airlines
Mon 3/177:45 amSJO - BOS
2 stops25h 04mUnited Airlines
Deal found 2/19$488

Find flights from Boston to Costa Rica within your budget

Customize your flight search to find flights from Boston 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 20, 2025.

Fly from

Boston

Fly to

Costa Rica

Route

Depart

Return

Price

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 3/24

7:37 am-11:24 am

Nonstop5h 47m

Liberia

Wed 4/2

11:44 am-7:09 pm

Nonstop5h 25m

$367

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/5

8:30 am-10:05 pm

2 stops14h 35m

San José Juan Santamaria Intl

Thu 3/13

11:30 am-12:34 am

1 stop11h 04m

$367

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 4/9

8:31 pm-10:24 am

1 stop15h 53m

San José Juan Santamaria Intl

Fri 4/18

11:35 am-10:57 pm

1 stop9h 22m

$368

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 3/26

5:40 am-11:41 am

1 stop8h 01m

Liberia

Sat 4/5

1:15 pm-8:42 pm

Nonstop5h 27m

$373

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/26

5:40 am-11:05 am

1 stop7h 25m

San José Juan Santamaria Intl

Wed 4/2

11:29 pm-2:54 pm

1 stop13h 25m

$373

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 3/24

6:32 pm-12:25 pm

1 stop19h 53m

Liberia

Wed 4/2

2:11 pm-1:13 pm

1 stop21h 02m

$382

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 4/7

7:32 pm-2:23 pm

2 stops20h 51m

Liberia

Mon 4/14

3:25 pm-12:27 pm

1 stop19h 02m

$383

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 4/2

10:50 am-12:30 pm

1 stop27h 40m

Liberia

Wed 4/9

2:30 pm-3:56 pm

1 stop23h 26m

$391

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 5/9

11:00 am-6:41 pm

2 stops9h 41m

San José Juan Santamaria Intl

Sat 5/17

6:03 am-10:52 pm

2 stops14h 49m

$408

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 4/28

4:50 pm-11:35 pm

1 stop8h 45m

San José Juan Santamaria Intl

Sun 5/11

1:40 am-7:15 am

1 stop27h 35m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 30 results
1
2
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  • Most accurate provider: When it comes to deals on Boston-Costa Rica flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boston-Costa Rica flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Boston-Costa Rica flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Costa Rica flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Costa Rica flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Boston 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.

Travel insights for flights from Boston to Costa Rica

Get recent, data-driven insights about flights from Boston to Costa Rica including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Boston to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Boston to Costa Rica (average of $398). Flying from Boston 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.

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

Find hourly flight availability from Boston 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 February 20, 2025.

When flying from Boston to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Boston to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Boston to Costa Rica. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Boston to Costa Rica flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 20, 2025.
Read through reviews of airlines operating flights from Boston to Costa Rica, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Copa Airlines
7.6
Good
1,510 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 airport do you fly from for flights from Boston to Costa Rica?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Costa Rica. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    The cheapest airlines for a one-way flight from Boston to Costa Rica are Spirit Airlines ($153), Copa Airlines ($164), and JetBlue ($179).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Boston to Costa Rica (average of $398). Flying from Boston 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 Boston to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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New Bedford to Panama City flights

Top 10 airlines flying from Boston to Costa Rica

Discover the top 10 airlines that operate flights from Boston 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$233Average$469FlexibilityNo cancel feeOn-time65%
AviancaCheapest$288Average$514FlexibilityNo cancel feeOn-time71%
FrontierCheapest$297Average$547FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$300Average$486FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$335Average$567FlexibilityNo cancel feeOn-time62%
DeltaCheapest$353Average$628FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$379Average$550FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$382Average$660FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$385Average$668FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$453Average$746FlexibilityNo cancel feeOn-time63%
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