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Costa Rica

$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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$292
(Cheapflightsfares)

One-way from

$106
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$765
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. 1% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:15 amBOS - SJO
1 stop7h 04mSpirit Airlines
Wed 7/1612:16 pmSJO - BOS
1 stop9h 32mSpirit Airlines
Deal found 6/11$292
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:00 amPWM - SJO
1 stop8h 10mDelta
Fri 9/51:35 pmSJO - PWM
1 stop8h 28mDelta
Deal found 6/9$296
This Copa Airlines deal was found by Cheapflights users on 6/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:36 pmBOS - SJO
1 stop18h 25mCopa Airlines
Sun 12/74:13 amSJO - BOS
1 stop13h 07mCopa Airlines
Deal found 6/11$311
This JetBlue deal was found by Cheapflights users on 6/12. 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 9/26:25 amBOS - SJO
1 stop7h 30mJetBlue
Wed 9/171:00 pmSJO - BOS
1 stop8h 59mJetBlue
Deal found 6/12$315
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:15 amBOS - SJO
1 stop7h 04mMultiple Airlines
Mon 7/145:10 pmSJO - BOS
1 stop13h 27mMultiple Airlines
Deal found 6/10$324
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 8/216:00 amPWM - SJO
2 stops9h 15mAmerican Airlines
Thu 9/46:00 amSJO - PWM
2 stops16h 09mAmerican Airlines
Deal found 6/9$329
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:20 amBOS - LIR
1 stop28h 35mAir Canada
Tue 11/113:00 pmLIR - BOS
1 stop22h 38mAir Canada
Deal found 6/12$416
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:50 amBOS - SJO
1 stop16h 35mAir Canada
Wed 6/188:00 amSJO - BOS
1 stop23h 55mAir Canada
Deal found 6/10$420
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:05 pmPWM - SJO
1 stop18h 24mMultiple Airlines
Tue 8/191:41 pmSJO - PWM
1 stop20h 12mMultiple Airlines
Deal found 6/11$425
This JetBlue deal was found by Cheapflights users on 6/9. 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.
Wed 7/27:10 amBOS - LIR
1 stop7h 55mJetBlue
Wed 7/92:10 pmLIR - BOS
1 stop8h 17mJetBlue
Deal found 6/9$426
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/25:54 amBOS - SJO
2 stops9h 46mAmerican Airlines
Wed 9/176:00 amSJO - BOS
2 stops11h 42mAmerican Airlines
Deal found 6/12$436
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:00 amPWM - SJO
1 stop7h 38mUnited Airlines
Fri 9/51:30 pmSJO - PWM
2 stops21h 52mUnited Airlines
Deal found 6/9$438

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 June 12, 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 7/8

6:15 am-11:19 am

1 stop7h 04m

San José Juan Santamaria Intl

Wed 7/16

12:16 pm-11:48 pm

1 stop9h 32m

$292

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 8/19

6:00 am-12:10 pm

1 stop8h 10m

San José Juan Santamaria Intl

Thu 9/4

1:35 pm-12:03 am

1 stop8h 28m

$296

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 9/4

3:49 pm-8:20 am

1 stop18h 31m

San José Juan Santamaria Intl

Tue 9/23

5:52 am-7:22 pm

1 stop11h 30m

$311

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/2

6:25 am-11:55 am

1 stop7h 30m

San José Juan Santamaria Intl

Wed 9/17

1:00 pm-11:59 pm

1 stop8h 59m

$315

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 7/8

6:15 am-11:19 am

1 stop7h 04m

San José Juan Santamaria Intl

Mon 7/14

5:10 pm-8:37 am

1 stop13h 27m

$324

PortlandSan José

PWM - SJO

PWMSJO

Portland

Thu 8/21

6:00 am-1:15 pm

2 stops9h 15m

San José Juan Santamaria Intl

Thu 9/4

6:00 am-12:09 am

2 stops16h 09m

$329

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 11/5

10:20 am-1:55 pm

1 stop28h 35m

Liberia

Tue 11/11

3:00 pm-2:38 pm

1 stop22h 38m

$416

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 8/11

6:05 pm-10:29 am

1 stop18h 24m

San José Juan Santamaria Intl

Tue 8/19

1:41 pm-11:53 am

1 stop20h 12m

$425

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 7/2

7:10 am-1:05 pm

1 stop7h 55m

Liberia

Wed 7/9

2:10 pm-12:27 am

1 stop8h 17m

$426

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/2

5:54 am-1:40 pm

2 stops9h 46m

San José Juan Santamaria Intl

Wed 9/17

6:00 am-7:42 pm

2 stops11h 42m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 39 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, September is the cheapest month in which you can book a flight from Maine to Costa Rica (average of $398). Flying from Maine to Costa Rica in March 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 June 12, 2025.

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

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Maine to Costa Rica, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Copa Airlines
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

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

    $106 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on JetBlue and Southwest, with prices starting from $145 and $183, 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, September is the cheapest month in which you can book a flight from Maine to Costa Rica (average of $398). Flying from Maine to Costa Rica in March 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$382Average$779FlexibilityNo cancel feeOn-time71%
DeltaCheapest$521Average$785FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$528Average$790FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$584Average$1,120FlexibilityNo cancel feeOn-time63%

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