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Costa Rica

$104+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$312
(Cheapflightsfares)

One-way from

$103
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$919
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. 13% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:45 amBOS - SJO
1 stop7h 29mSpirit Airlines
Wed 12/171:19 pmSJO - BOS
1 stop10h 21mSpirit Airlines
Deal found 7/29$312
This Copa Airlines deal was found by Cheapflights users on 7/31. 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 10/303:49 pmBOS - SJO
1 stop17h 45mCopa Airlines
Mon 11/310:08 amSJO - BOS
1 stop10h 55mCopa Airlines
Deal found 7/31$323
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:05 amBOS - SJO
1 stop7h 07mMultiple Airlines
Sat 8/167:30 amSJO - BOS
2 stops13h 42mMultiple Airlines
Deal found 7/29$327
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:10 amBOS - SJO
2 stops14h 27mUnited Airlines
Tue 10/712:44 pmSJO - BOS
1 stop8h 12mUnited Airlines
Deal found 7/29$332
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 9/29:26 amBOS - SJO
2 stops12h 49mAmerican Airlines
Wed 9/176:00 amSJO - BOS
1 stop14h 20mAmerican Airlines
Deal found 7/29$335
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:15 amBOS - LIR
1 stop28h 35mAir Canada
Tue 11/112:50 pmLIR - BOS
1 stop29h 37mAir Canada
Deal found 7/29$338
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:35 amBOS - LIR
1 stop8h 25mDelta
Wed 9/101:25 pmLIR - BOS
1 stop9h 59mDelta
Deal found 7/29$343
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.
Wed 8/208:30 pmBOS - LIR
2 stops17h 05mAmerican Airlines
Wed 8/2712:45 pmLIR - BOS
2 stops17h 08mAmerican Airlines
Deal found 7/29$347
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:40 amBOS - SJO
1 stop7h 15mJetBlue
Thu 10/91:00 pmSJO - BOS
1 stop8h 59mJetBlue
Deal found 7/29$348
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:05 amPWM - SJO
2 stops12h 47mAmerican Airlines
Wed 10/16:00 amSJO - PWM
2 stops12h 11mAmerican Airlines
Deal found 7/28$349
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:27 pmBOS - LIR
2 stops21h 43mUnited Airlines
Sat 9/201:20 pmLIR - BOS
2 stops18h 36mUnited Airlines
Deal found 7/30$365
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:43 amBOS - LIR
Nonstop5h 37mJetBlue
Sat 11/154:43 pmLIR - BOS
Nonstop5h 17mJetBlue
Deal found 7/29$378

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 July 31, 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

Sat 8/30

6:05 am-11:12 am

1 stop7h 07m

San José Juan Santamaria Intl

Sun 9/7

12:19 pm-11:55 pm

1 stop9h 36m

$312

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 8/13

6:05 am-11:12 am

1 stop7h 07m

San José Juan Santamaria Intl

Sat 8/16

7:30 am-11:12 pm

2 stops13h 42m

$327

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/23

9:05 am-7:37 pm

2 stops12h 32m

San José Juan Santamaria Intl

Wed 10/8

12:44 pm-10:56 pm

1 stop8h 12m

$332

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/2

11:00 am-8:15 pm

2 stops11h 15m

San José Juan Santamaria Intl

Wed 9/17

7:27 am-9:46 pm

2 stops12h 19m

$335

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 9/3

5:35 am-12:00 pm

1 stop8h 25m

Liberia

Wed 9/10

1:25 pm-1:24 am

1 stop9h 59m

$343

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 10/9

3:49 pm-9:04 am

1 stop19h 15m

San José Juan Santamaria Intl

Mon 10/13

9:17 am-2:11 pm

3 stops26h 54m

$343

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 8/20

8:30 pm-11:35 am

2 stops17h 05m

Liberia

Wed 8/27

12:45 pm-7:53 am

2 stops17h 08m

$347

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 10/4

6:40 am-11:55 am

1 stop7h 15m

San José Juan Santamaria Intl

Mon 10/6

1:00 pm-11:59 pm

1 stop8h 59m

$348

PortlandSan José

PWM - SJO

PWMSJO

Portland

Thu 9/25

7:05 am-5:52 pm

2 stops12h 47m

San José Juan Santamaria Intl

Wed 10/1

6:00 am-8:11 pm

2 stops12h 11m

$349

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Sat 9/6

4:27 pm-12:10 pm

2 stops21h 43m

Liberia

Sat 9/20

1:20 pm-9:56 am

2 stops18h 36m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 38 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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Maine to Costa Rica. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Copa Airlines
7.5
Good
1,493 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    $103 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 American Airlines and Delta, with prices starting from $124 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, 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

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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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$425Average$779FlexibilityNo cancel feeOn-time71%
DeltaCheapest$462Average$782FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$528Average$790FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$551Average$1,120FlexibilityNo cancel feeOn-time63%

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