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$134+ Cheap flights from Costa Rica to Boston (BOS)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOS
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
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Cheap flight deals from Costa Rica to Boston

Cheapest flights from Costa Rica to Boston
Explore the most affordable flight options available from Costa Rica to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 26, 2026.

This United Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 5/13:27 pm
LIR
-
BOS
1 stop18h 49m
United Airlines
Fri 5/87:26 pm
BOS
-
LIR
2 stops18h 27m
United Airlines
Deal found 2/24$219
This American Airlines deal was found by Cheapflights users on 2/24. 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 4/2112:27 pm
LIR
-
BOS
2 stops18h 54m
American Airlines
Tue 4/286:00 am
BOS
-
LIR
1 stop7h 24m
American Airlines
Deal found 2/24$233
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/111:01 pm
LIR
-
BOS
2 stops20h 09m
United Airlines
Wed 3/259:32 am
BOS
-
LIR
1 stop10h 05m
United Airlines
Deal found 2/24$234
This American Airlines deal was found by Cheapflights users on 2/24. 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 5/712:30 pm
LIR
-
BOS
1 stop21h 21m
American Airlines
Tue 5/126:00 am
BOS
-
LIR
1 stop9h 40m
American Airlines
Deal found 2/24$235
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/102:13 pm
LIR
-
BOS
1 stop17h 48m
American Airlines
Tue 3/246:00 am
BOS
-
LIR
1 stop9h 13m
American Airlines
Deal found 2/24$236
This American Airlines deal was found by Cheapflights users on 2/24. 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 5/12:40 pm
LIR
-
BOS
2 stops18h 32m
American Airlines
Fri 5/86:00 am
BOS
-
LIR
1 stop9h 40m
American Airlines
Deal found 2/24$238
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/181:32 pm
LIR
-
BOS
1 stop18h 22m
American Airlines
Wed 4/82:57 pm
BOS
-
LIR
1 stop22h 27m
American Airlines
Deal found 2/24$241
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/91:01 pm
LIR
-
BOS
1 stop23h 28m
United Airlines
Wed 3/259:32 am
BOS
-
LIR
1 stop10h 05m
United Airlines
Deal found 2/24$244
This BusinessClass deal was found by Cheapflights users on 2/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:15 pm
LIR
-
BOS
1 stop13h 30m
Avianca
Mon 3/237:45 pm
BOS
-
LIR
1 stop17h 15m
Avianca
Deal found 2/24$245
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/101:01 pm
LIR
-
BOS
2 stops20h 09m
United Airlines
Mon 3/236:23 pm
BOS
-
LIR
1 stop19h 32m
United Airlines
Deal found 2/24$247
This United Airlines deal was found by Cheapflights users on 2/25. 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 3/107:35 am
LIR
-
BOS
2 stops12h 06m
United Airlines
Tue 3/247:16 am
BOS
-
LIR
2 stops30h 54m
United Airlines
Deal found 2/25$250
This Cheapflightsfares deal was found by Cheapflights users on 2/23. 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.
Thu 3/51:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Mon 3/95:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Deal found 2/23$254

Find flight deals from Costa Rica to Boston

Keep the following information in mind while searching for Costa Rica to Boston flight deals. Data was last updated February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(United Airlines)

One-way from

$134
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$391

Good round-trip deal

$215 or less

Good one-way deal

$227 or less
Provider with most accurate pricing for San José Juan Santamaria Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Boston Logan Intl flights.
Search Deals
From Costa Rica to Boston Logan Intl
Search Deals
One-way flight from Costa Rica to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Costa Rica to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Costa Rica to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Costa Rica to Boston 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 26, 2026.
Use the filters below to find and compare flights from Costa Rica to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Fri 5/1

2:40 pm-11:12 am

2 stops18h 32m

Boston Logan Intl

Fri 5/8

6:00 am-1:40 pm

1 stop9h 40m

$238

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Tue 3/10

7:35 am-9:41 pm

2 stops12h 06m

Boston Logan Intl

Tue 3/24

12:07 pm-12:10 pm

3 stops26h 03m

$250

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Tue 3/17

12:15 pm-11:49 pm

1 stop9h 34m

Boston Logan Intl

Sat 3/21

7:40 pm-7:53 am

1 stop14h 13m

$263

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Tue 3/24

8:48 am-11:10 pm

1 stop12h 22m

Boston Logan Intl

Tue 3/31

4:05 pm-8:20 am

1 stop18h 15m

$287

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Thu 4/2

5:46 am-11:09 pm

1 stop15h 23m

Boston Logan Intl

Tue 4/7

3:46 pm-9:05 am

1 stop19h 19m

$298

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Mon 3/16

7:35 am-2:29 pm

2 stops28h 54m

Boston Logan Intl

Thu 4/9

6:38 pm-2:25 pm

2 stops21h 47m

$299

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Thu 4/30

1:25 pm-9:25 am

2 stops18h 00m

Boston Logan Intl

Sun 5/3

5:45 am-11:38 am

2 stops31h 53m

$316

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Thu 4/30

5:46 am-11:09 pm

1 stop15h 23m

Boston Logan Intl

Sun 5/3

4:00 pm-9:06 am

1 stop19h 06m

$320

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Wed 3/11

1:01 pm-11:10 am

2 stops20h 09m

Boston Logan Intl

Thu 3/26

9:32 am-5:37 pm

1 stop10h 05m

$326

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Fri 5/1

3:27 pm-12:16 pm

1 stop18h 49m

Boston Logan Intl

Fri 5/8

6:39 pm-11:53 am

1 stop19h 14m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Costa Rica to Boston

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

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

Currently, April is the cheapest month in which you can book a flight from Costa Rica to Boston (average of $138). Flying from Costa Rica to Boston in August is currently the most expensive (average of $303). 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 CR to BOS?

Find hourly flight availability from Costa Rica to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 26, 2026.

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

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated February 26, 2026.
See what other customers who have flown with Copa Airlines, United Airlines, and American Airlines from Costa Rica to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,557 reviews

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
Copa Airlines
7.5
Good
1,557 reviews
Copa Airlines
7.5
Good
1,557 reviews

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
United Airlines
7.4
Good
9,349 reviews
Copa Airlines
7.5
Good
1,557 reviews

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
American Airlines
7.2
Good
11,353 reviews
Copa Airlines
7.5
Good
1,557 reviews

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
JetBlue
7.2
Good
2,896 reviews
Copa Airlines
7.5
Good
1,557 reviews

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing
Spirit Airlines
6.3
Okay
8,492 reviews
Copa Airlines
7.5
Good
1,557 reviews

Boarding

7.8

Comfort

7.4

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Maria,Dec 2025

MIA - PTY

The second flight to salta Argentina was terrible..the plain is old no entertainment no good food no nothing

Related info for your journey

Find useful and relevant information for your journey from Costa Rica to Boston. 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 into for flights to Boston from Costa Rica?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Costa Rica to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How long is the flight from Costa Rica to Boston?

    For as low as $287, United Airlines can have you in Boston from Costa Rica in 11h 06m. The distance from Costa Rica to Boston is about 2373 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $140. JetBlue flights start at $140 while deals on Spirit Airlines start at $144 one-way.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Costa Rica to Boston (average of $138). Flying from Costa Rica to Boston in August is currently the most expensive (average of $303). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Concord
Seabrook
Cranston
Lincoln
Smithfield
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Lowell
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Costa Rica to Boston

Discover the top 7 airlines that operate flights from Costa Rica to Boston. 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$108Average$403FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$152Average$312FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$160Average$444FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$169Average$399FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$233Average$419FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$242Average$453FlexibilityNo cancel feeOn-time71%
DeltaCheapest$290Average$478FlexibilityNo cancel feeOn-timeN/A

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