HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$143+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Costa Rica to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 29, 2025.

Round-trip from

$319
(American Airlines)

One-way from

$143
(Cheapflightsfares)

Popular in

April

Cheapest in

November

Average price

$486

Good one-way deal

$293 or less
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. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a one-way flight from Costa Rica to Boston Logan Intl.
Search Deals

Find 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 10/146:44 amSJO - BOS
2 stops12h 59mAmerican Airlines
Sat 11/86:19 pmBOS - SJO
1 stop19h 03mAmerican Airlines
Deal found 7/29$319
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:19 pmSJO - BOS
1 stop9h 36mSpirit Airlines
Sun 9/216:10 amBOS - SJO
1 stop7h 04mSpirit Airlines
Deal found 7/28$320
This Copa Airlines deal was found by Cheapflights users on 7/29. 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 11/1310:08 amSJO - BOS
1 stop10h 55mCopa Airlines
Sun 11/162:42 pmBOS - SJO
3 stops27h 08mCopa Airlines
Deal found 7/29$322
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:03 pmLIR - BOS
1 stop18h 23mUnited Airlines
Sun 9/75:30 amBOS - LIR
2 stops32h 40mUnited Airlines
Deal found 7/27$329
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:30 amSJO - BOS
1 stop16h 14mUnited Airlines
Sun 8/317:30 amBOS - SJO
1 stop14h 07mUnited Airlines
Deal found 7/27$330
This Mytrip deal was found by Cheapflights users on 7/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:30 amSJO - BOS
2 stops25h 48mMultiple Airlines
Mon 9/86:10 amBOS - SJO
1 stop7h 04mMultiple Airlines
Deal found 7/26$339
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:30 pmLIR - BOS
2 stops17h 05mAmerican Airlines
Tue 9/95:47 amBOS - LIR
1 stop8h 02mAmerican Airlines
Deal found 7/27$343
This JetBlue deal was found by Cheapflights users on 7/27. 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.
Fri 8/222:10 pmLIR - BOS
1 stop8h 17mJetBlue
Sat 9/137:08 amBOS - LIR
1 stop7h 37mJetBlue
Deal found 7/27$458
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:55 amLIR - BOS
2 stops13h 08mMultiple Airlines
Sun 8/176:05 amBOS - LIR
3 stops27h 40mMultiple Airlines
Deal found 7/28$743
This Delta deal was found by Cheapflights users on 7/27. 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.
Sat 8/161:25 pmLIR - BOS
1 stop18h 12mDelta
Sun 9/75:35 amBOS - LIR
1 stop8h 25mDelta
Deal found 7/27$747
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:00 amLIR - BOS
2 stops28h 01mAlaska Airlines
Thu 9/47:45 amBOS - LIR
3 stops24h 35mAlaska Airlines
Deal found 7/27$769

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 July 29, 2025.
Use the filters below to find and compare flights from Costa Rica to Boston that are best for you.

Fly from

Costa Rica

Fly to

Boston

Route

Depart

Return

Price

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Tue 10/14

6:44 am-9:43 pm

2 stops12h 59m

Boston Logan Intl

Sat 11/8

6:19 pm-12:22 pm

1 stop19h 03m

$319

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Sun 9/7

12:19 pm-11:55 pm

1 stop9h 36m

Boston Logan Intl

Sun 9/21

6:10 am-11:14 am

1 stop7h 04m

$320

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Sun 8/17

1:03 pm-9:26 am

1 stop18h 23m

Boston Logan Intl

Sun 9/7

5:30 am-12:10 pm

2 stops32h 40m

$329

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Sat 8/16

5:30 am-11:44 pm

1 stop16h 14m

Boston Logan Intl

Sun 8/31

7:30 am-7:37 pm

1 stop14h 07m

$330

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Mon 9/1

7:30 am-11:18 am

2 stops25h 48m

Boston Logan Intl

Mon 9/8

6:10 am-11:14 am

1 stop7h 04m

$339

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Mon 8/18

12:30 pm-7:35 am

2 stops17h 05m

Boston Logan Intl

Tue 9/9

5:47 am-11:49 am

1 stop8h 02m

$343

San JoséBoston

SJO - BOS

SJOBOS

San José Juan Santamaria Intl

Sun 8/10

5:57 am-10:27 pm

1 stop14h 30m

Boston Logan Intl

Thu 8/21

4:05 pm-7:34 am

1 stop17h 29m

$376

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Sat 1/10

2:30 pm-9:00 pm

Nonstop5h 30m

Boston Logan Intl

Sat 1/24

8:15 am-1:02 pm

Nonstop5h 47m

$440

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Mon 1/12

2:20 pm-11:06 am

1 stop19h 46m

Boston Logan Intl

Fri 1/23

6:40 pm-11:25 am

1 stop17h 45m

$445

LiberiaBoston

LIR - BOS

LIRBOS

Liberia

Thu 1/8

7:45 pm-11:59 pm

2 stops27h 14m

Boston Logan Intl

Sat 1/24

4:50 pm-6:35 pm

2 stops26h 45m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 26 results
1
2
3

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, January is the cheapest month in which you can book a flight from Costa Rica to Boston (average of $218). Flying from Costa Rica to Boston in July is currently the most expensive (average of $311). 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 July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Costa Rica to Boston in the morning. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Costa Rica to Boston. Price data was last updated on July 27, 2025.

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

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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Copa 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Copa Airlines
7.5
Good
1,493 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

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.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $143. Delta flights start at $181 while deals on United Airlines start at $184 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, January is the cheapest month in which you can book a flight from Costa Rica to Boston (average of $218). Flying from Costa Rica to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Watertown
Warwick
Seabrook
Waltham
Framingham
Lowell
Randolph
Smithfield
Cranston
Chestnut Hill
York Beach
Chelsea
Saco
Burlington
Hampton Beach
Swansea
Lincoln
Quincy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Costa Rica to Boston

Discover the top 8 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$236Average$332FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$239Average$473FlexibilityNo cancel feeOn-time62%
AviancaCheapest$257Average$526FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$264Average$426FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$300Average$505FlexibilityNo cancel feeOn-time71%
DeltaCheapest$329Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$331Average$479FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$418Average$418FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.