HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$140+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maine to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Mytrip)

One-way from

$140
(Delta)

Popular in

April

Cheapest in

September

Average price

$1,123
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. 12% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 2, 2025.

This CheapOair deal was found by Cheapflights users on 4/2. 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.
Fri 5/28:35 pmBOS - SJO
1 stop16h 43mSpirit Airlines
Sun 5/1111:32 amSJO - BOS
1 stop19h 37mSpirit Airlines
Deal found 4/2$314
This Mytrip deal was found by Cheapflights users on 4/1. 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 4/265:45 pmBOS - SJO
1 stop8h 05mMultiple Airlines
Sun 5/411:15 amSJO - BOS
2 stops32h 13mMultiple Airlines
Deal found 4/1$318
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/288:11 pmPWM - SJO
2 stops29h 39mMultiple Airlines
Thu 5/811:32 amSJO - PWM
1 stop21h 38mMultiple Airlines
Deal found 4/1$338
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:53 pmPWM - SJO
2 stops20h 32mAmerican Airlines
Tue 10/212:25 pmSJO - PWM
2 stops17h 22mAmerican Airlines
Deal found 3/31$340
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/78:10 amBOS - SJO
2 stops12h 25mAmerican Airlines
Fri 5/162:15 pmSJO - BOS
1 stop17h 40mAmerican Airlines
Deal found 4/2$351
This JetBlue deal was found by Cheapflights users on 4/1. 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.
Mon 6/166:25 amBOS - SJO
1 stop7h 30mJetBlue
Thu 7/1712:55 pmSJO - BOS
1 stop8h 53mJetBlue
Deal found 4/1$387
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Fri 4/116:35 amBOS - LIR
1 stop9h 15mAir Canada
Wed 4/162:30 pmLIR - BOS
1 stop17h 11mAir Canada
Deal found 4/1$397
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:05 amBOS - LIR
1 stop9h 21mAmerican Airlines
Thu 5/2912:45 pmLIR - BOS
1 stop8h 03mAmerican Airlines
Deal found 3/31$398
This Avianca deal was found by Cheapflights users on 4/1. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:50 pmBOS - SJO
1 stop17h 50mAvianca
Fri 9/123:00 pmSJO - BOS
1 stop14h 15mAvianca
Deal found 4/1$399
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/157:32 pmBOS - LIR
2 stops18h 23mUnited Airlines
Tue 4/223:25 pmLIR - BOS
2 stops17h 13mUnited Airlines
Deal found 4/1$406
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/55:55 amBOS - SJO
1 stop7h 56mUnited Airlines
Mon 4/77:55 amSJO - BOS
2 stops14h 04mUnited Airlines
Deal found 4/1$437
This JetBlue deal was found by Cheapflights users on 4/1. 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 12/68:15 amBOS - LIR
Nonstop5h 47mJetBlue
Sat 12/132:30 pmLIR - BOS
Nonstop5h 30mJetBlue
Deal found 4/1$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 April 2, 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

Fri 5/2

8:35 pm-11:18 am

1 stop16h 43m

San José Juan Santamaria Intl

Sun 5/11

11:32 am-9:09 am

1 stop19h 37m

$314

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 4/26

5:45 pm-11:50 pm

1 stop8h 05m

San José Juan Santamaria Intl

Sun 5/4

11:15 am-9:28 pm

2 stops32h 13m

$318

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 4/28

8:11 pm-11:50 pm

2 stops29h 39m

San José Juan Santamaria Intl

Thu 5/8

11:32 am-11:10 am

1 stop21h 38m

$338

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 5/7

8:10 am-6:35 pm

2 stops12h 25m

San José Juan Santamaria Intl

Fri 5/16

2:15 pm-9:55 am

1 stop17h 40m

$351

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 4/28

7:35 am-1:05 pm

1 stop7h 30m

San José Juan Santamaria Intl

Fri 5/9

11:59 pm-11:05 pm

2 stops21h 06m

$359

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 6/16

6:25 am-11:55 am

1 stop7h 30m

San José Juan Santamaria Intl

Wed 7/16

12:55 pm-11:48 pm

1 stop8h 53m

$360

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Sat 4/12

12:55 pm-1:30 pm

1 stop26h 35m

Liberia

Thu 4/17

1:45 pm-10:02 am

1 stop18h 17m

$397

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 5/14

6:05 am-1:26 pm

1 stop9h 21m

Liberia

Thu 5/29

12:45 pm-10:48 pm

1 stop8h 03m

$398

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 9/1

4:50 pm-8:40 am

1 stop17h 50m

San José Juan Santamaria Intl

Fri 9/12

3:00 pm-7:15 am

1 stop14h 15m

$399

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Tue 4/15

7:32 pm-11:55 am

2 stops18h 23m

Liberia

Tue 4/22

3:25 pm-12:27 pm

1 stop19h 02m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 41 results
1
2
3
...
5

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 April 2, 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 April 2, 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
9,820 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,400 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    $140 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and Air Canada, with prices starting from $154 and $156, 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.
John F Kennedy Intl to San José flights
Newark to San José flights
John F Kennedy Intl to Panama City flights
Los Angeles to San Salvador flights
Los Angeles to Guatemala City flights
Newark to Panama City flights
Los Angeles to San José flights
John F Kennedy Intl to Guatemala City flights
John F Kennedy Intl to San Salvador flights
Dulles Intl to San Salvador flights
Dulles Intl to Panama City flights
Hobby to San Salvador flights
John F Kennedy Intl to Liberia flights
LaGuardia to San José flights
Dallas/Fort Worth to San Salvador flights
Newark to Liberia flights
George Bush Intcntl to San Salvador flights
LaGuardia to Panama City flights
Newark to Guatemala City flights
Dulles Intl to Guatemala City flights
San Francisco to San José flights
Hobby to Guatemala City flights
Los Angeles to Liberia flights
Newark to San Salvador flights
George Bush Intcntl to Guatemala City flights
Miami to Panama City flights
Fort Lauderdale to San José flights
Hobby to San José flights
Atlanta to Panama City flights
O'Hare Intl to Panama City flights
Dallas/Fort Worth to San José flights
Miami to San José flights
Orlando to San José flights
Dulles Intl to San José flights
Los Angeles to Panama City flights
Boston to San José flights
Orlando to Panama City flights
Ontario to San Salvador flights
Atlanta to San José flights
O'Hare Intl to Guatemala City flights
O'Hare Intl to San José flights
George Bush Intcntl to San José flights
Miami to Managua flights
LaGuardia to Guatemala City flights
Reagan-National to San Salvador flights
Reagan-National to San José flights
Baltimore to Panama City flights
Baltimore to San José flights
Los Angeles to Philip S.W.Goldson flights
Atlanta to San Salvador flights

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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$448Average$777FlexibilityNo cancel feeOn-time71%
DeltaCheapest$521Average$782FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$542Average$790FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$584Average$1,120FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.