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$106+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(Mytrip)

One-way from

$106
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$497
Provider with most accurate pricing for Portland-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-San José Juan Santamaria Intl flights.
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From Maine to Costa Rica
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One-way flight from Maine to Costa Rica
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Highest demand for flights based on searches. 21% potential increase in price ($210 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($91 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:30 pmBOS - SJO
1 stop13h 22mJetBlue
Mon 12/229:38 amSJO - BOS
1 stop11h 10mJetBlue
Deal found 10/29$249
This JetBlue deal was found by Cheapflights users on 10/30. 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.
Thu 12/48:30 pmBOS - SJO
1 stop13h 22mJetBlue
Thu 12/1110:00 amSJO - BOS
1 stop12h 11mJetBlue
Deal found 10/30$252
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Tue 11/186:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Fri 11/211:20 pmSJO - BOS
1 stop9h 33mSpirit Airlines
Deal found 10/30$255
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/411:15 amBOS - SJO
2 stops11h 58mAmerican Airlines
Fri 11/71:23 pmSJO - BOS
1 stop9h 53mAmerican Airlines
Deal found 10/30$256
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/97:44 amBOS - SJO
1 stop15h 29mAmerican Airlines
Wed 11/193:11 pmSJO - BOS
1 stop8h 40mAmerican Airlines
Deal found 10/30$257
This American Airlines deal was found by Cheapflights users on 10/30. 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 10/306:13 pmBOS - SJO
1 stop21h 25mAmerican Airlines
Mon 11/36:22 amSJO - BOS
1 stop15h 40mAmerican Airlines
Deal found 10/30$259
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/136:45 amBOS - SJO
1 stop16h 28mAmerican Airlines
Mon 11/176:00 amSJO - BOS
1 stop11h 29mAmerican Airlines
Deal found 10/29$263
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/153:55 pmBOS - SJO
3 stops21h 30mSpirit Airlines
Wed 11/191:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 10/30$265
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Tue 11/116:16 amBOS - SJO
1 stop7h 09mSpirit Airlines
Tue 11/181:30 pmSJO - BOS
1 stop9h 29mSpirit Airlines
Deal found 10/30$266
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/2712:06 pmPWM - SJO
2 stops25h 25mAmerican Airlines
Thu 12/47:00 amSJO - PWM
2 stops14h 34mAmerican Airlines
Deal found 10/29$269
This Expedia deal was found by Cheapflights users on 10/30. 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.
Wed 12/318:15 amBOS - LIR
Nonstop5h 55mJetBlue
Tue 1/64:05 pmLIR - BOS
Nonstop5h 21mJetBlue
Deal found 10/30$330
This Expedia deal was found by Cheapflights users on 10/30. 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.
Sat 12/133:40 pmBOS - LIR
1 stop23h 06mJetBlue
Sat 12/202:30 pmLIR - BOS
Nonstop5h 21mJetBlue
Deal found 10/30$331

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 October 30, 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

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Sat 1/10

5:09 pm-2:13 pm

2 stops22h 04m

Liberia

Sat 1/17

3:23 pm-12:06 pm

2 stops19h 43m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/11

9:00 am-8:39 pm

2 stops12h 39m

San José Juan Santamaria Intl

Tue 11/18

12:35 pm-11:15 pm

1 stop9h 40m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 12/8

7:40 pm-8:52 am

1 stop14h 12m

San José Juan Santamaria Intl

Tue 12/16

10:00 am-11:11 pm

1 stop12h 11m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/18

9:40 am-8:39 pm

2 stops11h 59m

San José Juan Santamaria Intl

Sun 11/23

11:28 pm-10:39 am

1 stop10h 11m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 11/8

9:35 am-8:39 pm

1 stop12h 04m

San José Juan Santamaria Intl

Tue 11/11

11:28 pm-10:38 am

1 stop10h 10m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/11

12:00 pm-7:53 pm

1 stop8h 53m

San José Juan Santamaria Intl

Mon 11/17

8:45 am-11:15 pm

1 stop13h 30m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 1/18

11:42 am-8:39 pm

1 stop9h 57m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-6:01 pm

1 stop10h 31m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 11/8

9:35 am-8:39 pm

1 stop12h 04m

San José Juan Santamaria Intl

Mon 11/10

8:45 am-11:15 pm

1 stop13h 30m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 11/19

7:34 am-6:55 pm

1 stop12h 21m

San José Juan Santamaria Intl

Mon 11/24

4:08 am-10:03 pm

1 stop16h 55m

$282

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 12/2

2:44 pm-7:10 am

1 stop17h 26m

San José Juan Santamaria Intl

Sun 12/7

4:08 am-10:40 pm

1 stop17h 32m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 April 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 ME to CR?

Find hourly flight availability from Maine 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 October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from Maine to Costa Rica by exploring options for tickets in the evening.

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 JetBlue fly from Maine to Costa Rica in about 12h 39m. The time it takes to get you to your destination can typically vary by up to 9h 25m. 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?

    $110 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $110 and $132, 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 April 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

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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Top 4 airlines flying from Maine to Costa Rica

Discover the top 4 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$356Average$746FlexibilityNo cancel feeOn-time71%
DeltaCheapest$359Average$778FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$473Average$735FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$551Average$1,120FlexibilityNo cancel feeOn-time63%

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