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$115+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
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 December 26, 2025.

This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:12 pmBOS - SJO
1 stop12h 26mJetBlue
Wed 12/319:38 amSJO - BOS
1 stop11h 10mJetBlue
Deal found 12/25$290
This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:12 pmBOS - SJO
1 stop12h 26mMultiple Airlines
Thu 1/812:33 pmSJO - BOS
1 stop9h 46mMultiple Airlines
Deal found 12/25$320
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Sun 12/281:06 pmBOS - SJO
1 stop10h 26mUnited Airlines
Thu 1/16:30 amSJO - BOS
1 stop12h 07mUnited Airlines
Deal found 12/26$329
This Priceline deal was found by Cheapflights users on 12/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 pmBOS - SJO
1 stop13h 53mMultiple Airlines
Wed 12/312:52 pmSJO - BOS
1 stop9h 22mMultiple Airlines
Deal found 12/24$344
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Thu 12/251:06 pmBOS - SJO
1 stop10h 26mUnited Airlines
Thu 1/16:30 amSJO - BOS
1 stop12h 07mUnited Airlines
Deal found 12/25$362
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/247:25 amBOS - SJO
1 stop16h 07mUnited Airlines
Thu 1/18:45 amSJO - BOS
1 stop13h 53mUnited Airlines
Deal found 12/24$399
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Fri 12/266:20 amBOS - SJO
1 stop17h 12mUnited Airlines
Mon 12/296:30 amSJO - BOS
1 stop16h 08mUnited Airlines
Deal found 12/26$413
This American Airlines deal was found by Cheapflights users on 12/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 amBOS - LIR
1 stop8h 04mAmerican Airlines
Mon 1/53:13 pmLIR - BOS
2 stops16h 28mAmerican Airlines
Deal found 12/25$449
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Fri 12/267:25 amBOS - LIR
1 stop12h 12mUnited Airlines
Wed 12/313:50 pmLIR - BOS
1 stop19h 20mUnited Airlines
Deal found 12/25$463
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Fri 12/261:06 pmBOS - SJO
1 stop10h 26mUnited Airlines
Thu 1/16:30 amSJO - BOS
1 stop12h 07mUnited Airlines
Deal found 12/25$463
This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:12 pmBOS - SJO
1 stop12h 26mMultiple Airlines
Wed 12/317:50 pmSJO - BOS
2 stops10h 51mMultiple Airlines
Deal found 12/25$467
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Thu 12/253:22 pmBOS - LIR
1 stop22h 48mUnited Airlines
Tue 12/3012:30 pmLIR - BOS
1 stop11h 15mUnited Airlines
Deal found 12/25$474

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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$115
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$1,778
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. 20% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($93 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 26, 2025.
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

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sat 1/24

7:00 am-10:30 pm

2 stops16h 30m

San José Juan Santamaria Intl

Sat 1/31

4:02 pm-12:05 pm

2 stops19h 03m

$249

PortlandSan José

PWM - SJO

PWMSJO

Portland

Wed 3/4

6:28 pm-12:23 pm

2 stops18h 55m

San José Juan Santamaria Intl

Tue 3/10

2:59 pm-12:19 pm

2 stops19h 20m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 1/24

11:42 am-8:39 pm

1 stop9h 57m

San José Juan Santamaria Intl

Sat 2/7

6:30 am-6:20 pm

1 stop10h 50m

$264

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 2/4

7:31 am-4:48 pm

1 stop10h 17m

San José Juan Santamaria Intl

Wed 2/11

8:11 am-10:03 pm

1 stop12h 52m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 2/10

3:07 pm-8:21 am

1 stop18h 14m

San José Juan Santamaria Intl

Tue 2/17

8:11 am-10:03 pm

1 stop12h 52m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/4

7:44 am-6:55 pm

1 stop12h 11m

San José Juan Santamaria Intl

Tue 3/10

8:11 am-11:10 pm

1 stop12h 59m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/16

3:07 pm-9:06 am

1 stop18h 59m

San José Juan Santamaria Intl

Tue 2/24

8:11 am-10:03 pm

1 stop12h 52m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 1/18

3:07 pm-7:06 am

1 stop16h 59m

San José Juan Santamaria Intl

Sun 1/25

4:09 am-10:03 pm

1 stop16h 54m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 1/29

7:31 am-6:38 pm

1 stop12h 07m

San José Juan Santamaria Intl

Sun 2/8

4:09 am-10:03 pm

1 stop16h 54m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 3/5

3:05 pm-9:46 pm

1 stop7h 41m

San José Juan Santamaria Intl

Mon 3/9

11:01 am-11:10 pm

1 stop10h 09m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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, June is the cheapest month in which you can book a flight from Maine to Costa Rica (average of $214). Flying from Maine to Costa Rica in March is currently the most expensive (average of $509). 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 American Airlines, United Airlines, and Copa Airlines fly from Maine to Costa Rica in about 9h 57m. The time it takes to get you to your destination can typically vary by up to 6h 33m. 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?

    $109 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $128 and $141, 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, June is the cheapest month in which you can book a flight from Maine to Costa Rica (average of $214). Flying from Maine to Costa Rica in March is currently the most expensive (average of $509). 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

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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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John F Kennedy Intl to San José flights
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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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$236Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$299Average$726FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$320Average$646FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$468Average$728FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$577Average$798FlexibilityNo cancel feeOn-time63%

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