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Costa Rica

$114+ Cheap flights from Maine 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Maine to Costa Rica

Cheapest flights from Maine to Costa Rica
Explore the most affordable flight options available from Maine to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/8. 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 2/259:57 am
BOS
-
SJO
2 stops11h 15m
American Airlines
Wed 3/47:00 am
SJO
-
BOS
2 stops11h 04m
American Airlines
Deal found 2/8$275
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 2/2512:09 pm
BOS
-
SJO
1 stop9h 03m
American Airlines
Wed 5/612:35 pm
SJO
-
BOS
1 stop8h 32m
American Airlines
Deal found 2/9$276
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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.
Sat 2/285:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Fri 3/61:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Deal found 2/8$277
This CheapOair deal was found by Cheapflights users on 2/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Tue 3/1711:38 am
SJO
-
BOS
1 stop7h 55m
Spirit Airlines
Deal found 2/8$278
This JetBlue deal was found by Cheapflights users on 2/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:35 am
BOS
-
SJO
1 stop7h 20m
JetBlue
Wed 5/612:40 pm
SJO
-
BOS
1 stop9h 29m
JetBlue
Deal found 2/9$280
This Copa Airlines deal was found by Cheapflights users on 2/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/103:07 pm
BOS
-
SJO
1 stop18h 14m
Copa Airlines
Mon 2/168:11 am
SJO
-
BOS
1 stop12h 52m
Copa Airlines
Deal found 2/9$281
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:10 pm
BOS
-
SJO
1 stop19h 12m
Spirit Airlines
Fri 2/271:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Deal found 2/9$282
This American Airlines deal was found by Cheapflights users on 2/8. 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 2/86:23 pm
BOS
-
SJO
2 stops19h 20m
American Airlines
Sun 2/1511:24 am
SJO
-
BOS
1 stop9h 52m
American Airlines
Deal found 2/8$283
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:22 pm
BOS
-
SJO
2 stops21h 00m
Spirit Airlines
Mon 3/911:35 am
SJO
-
BOS
1 stop22h 13m
Spirit Airlines
Deal found 2/11$284
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:00 am
BOS
-
SJO
1 stop16h 07m
American Airlines
Tue 5/126:30 am
SJO
-
BOS
2 stops15h 00m
American Airlines
Deal found 2/10$285
This Copa Airlines deal was found by Cheapflights users on 2/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:07 pm
BOS
-
SJO
3 stops26h 39m
Copa Airlines
Wed 3/48:48 am
SJO
-
BOS
1 stop12h 22m
Copa Airlines
Deal found 2/9$286
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:27 am
BOS
-
SJO
1 stop7h 55m
Spirit Airlines
Tue 3/1012:31 pm
SJO
-
BOS
1 stop9h 13m
Spirit Airlines
Deal found 2/9$287

Find flight deals from Maine to Costa Rica

Keep the following information in mind while searching for Maine to Costa Rica flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(American Airlines)

One-way from

$114
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$698
Provider with most accurate pricing for Portland-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San José Juan Santamaria Intl flights.
Search Deals
From Maine to Costa Rica
Search Deals
One-way flight from Maine to Costa Rica
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease ($100 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine 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 11, 2026.
Use the filters below to find and compare flights from Maine to Costa Rica that are best for you.

Fly from

Maine

Fly to

Costa Rica

Route

Depart

Return

Price

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 4/26

5:45 am-11:51 am

1 stop8h 06m

San José Juan Santamaria Intl

Wed 4/29

7:55 am-9:46 pm

1 stop11h 51m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 3/2

3:05 pm-8:20 am

1 stop18h 15m

San José Juan Santamaria Intl

Sun 3/8

6:08 pm-2:42 pm

1 stop18h 34m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 3/1

3:05 pm-8:20 am

1 stop18h 15m

San José Juan Santamaria Intl

Sun 3/8

5:51 pm-2:42 pm

1 stop18h 51m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 2/24

7:31 am-4:48 pm

1 stop10h 17m

San José Juan Santamaria Intl

Mon 3/9

5:51 pm-2:42 pm

1 stop18h 51m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

3:07 pm-4:46 pm

3 stops26h 39m

San José Juan Santamaria Intl

Thu 3/5

5:50 am-10:10 pm

1 stop15h 20m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

3:07 pm-4:46 pm

3 stops26h 39m

San José Juan Santamaria Intl

Mon 3/2

5:51 pm-1:42 pm

1 stop18h 51m

$286

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

3:07 pm-9:06 am

1 stop18h 59m

San José Juan Santamaria Intl

Fri 3/6

5:50 am-10:10 pm

1 stop15h 20m

$289

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/4

7:44 am-7:01 pm

1 stop12h 17m

San José Juan Santamaria Intl

Sun 3/8

5:51 pm-2:42 pm

1 stop18h 51m

$289

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 3/16

4:05 pm-9:05 am

1 stop19h 00m

San José Juan Santamaria Intl

Wed 3/25

5:51 pm-2:42 pm

1 stop18h 51m

$292

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 5/28

4:00 pm-8:21 am

1 stop18h 21m

San José Juan Santamaria Intl

Thu 6/4

11:02 am-11:08 pm

1 stop10h 06m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 60 results
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Best time to book a flight from Maine to Costa Rica

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

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

Currently, July is the cheapest month in which you can book a flight from Maine to Costa Rica (average of $147). Flying from Maine to Costa Rica in December is currently the most expensive (average of $476). 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.

Related info for your journey

Find useful and relevant information for your journey from Maine to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like United Airlines, Copa Airlines, and Delta fly from Maine to Costa Rica in about 8h 06m. The time it takes to get you to your destination can typically vary by up to 10h 09m. The distance from Maine to Costa Rica 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 Maine to Costa Rica one-way?

    $103 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $109 and $120, respectively.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Maine to Costa Rica (average of $147). Flying from Maine to Costa Rica in December is currently the most expensive (average of $476). 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

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.

Alternative routes for Maine to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Liberia flights

Top 5 airlines flying from Maine to Costa Rica

Discover the top 5 airlines that operate flights from Maine 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$199Average$236FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$274Average$595FlexibilityNo cancel feeOn-time71%
DeltaCheapest$299Average$657FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$468Average$725FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$577Average$798FlexibilityNo cancel feeOn-time63%

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