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$118+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$287
(Cheapflightsfares)

One-way from

$118
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$637
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. 9% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/25:42 pmBOS - SJO
1 stop18h 45mSpirit Airlines
Sat 6/712:28 pmSJO - BOS
1 stop9h 01mSpirit Airlines
Deal found 5/1$287
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/124:50 pmBOS - SJO
2 stops16h 50mMultiple Airlines
Wed 5/2811:32 amSJO - BOS
1 stop8h 18mMultiple Airlines
Deal found 4/30$303
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/109:30 amBOS - SJO
2 stops12h 07mUnited Airlines
Sat 5/177:55 amSJO - BOS
1 stop13h 31mUnited Airlines
Deal found 4/30$305
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:00 amBOS - SJO
1 stop10h 09mAmerican Airlines
Mon 5/126:03 amSJO - BOS
2 stops13h 50mAmerican Airlines
Deal found 5/1$309
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:55 pmBOS - SJO
1 stop20h 04mCopa Airlines
Mon 5/198:46 amSJO - BOS
1 stop27h 28mCopa Airlines
Deal found 4/29$332
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/129:30 pmPWM - SJO
1 stop14h 57mMultiple Airlines
Fri 5/2311:32 amSJO - PWM
1 stop26h 30mMultiple Airlines
Deal found 4/30$350
This Priceline deal was found by Cheapflights users on 5/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:50 pmBOS - SJO
1 stop20h 25mAvianca
Sun 10/127:45 pmSJO - BOS
1 stop17h 10mAvianca
Deal found 5/1$381
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Thu 6/55:30 amBOS - LIR
2 stops10h 53mUnited Airlines
Wed 6/1111:05 amLIR - BOS
1 stop10h 39mUnited Airlines
Deal found 5/1$391
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/179:06 pmBOS - LIR
2 stops16h 39mAmerican Airlines
Mon 7/212:25 pmLIR - BOS
1 stop8h 34mAmerican Airlines
Deal found 4/30$395
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/164:01 pmPWM - SJO
2 stops22h 49mAmerican Airlines
Sat 5/316:03 amSJO - PWM
2 stops26h 24mAmerican Airlines
Deal found 4/30$415
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:35 amBOS - SJO
1 stop8h 25mDelta
Mon 7/281:21 pmSJO - BOS
1 stop10h 18mDelta
Deal found 5/1$429
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amBOS - LIR
1 stop8h 00mDelta
Mon 9/291:25 pmLIR - BOS
1 stop9h 35mDelta
Deal found 4/30$453

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 May 1, 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

Mon 6/2

5:42 pm-10:27 am

1 stop18h 45m

San José Juan Santamaria Intl

Sat 6/7

12:28 pm-11:29 pm

1 stop9h 01m

$287

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 5/12

4:50 pm-7:40 am

2 stops16h 50m

San José Juan Santamaria Intl

Wed 5/28

11:32 am-9:50 pm

1 stop8h 18m

$303

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 5/14

7:15 am-7:37 pm

1 stop14h 22m

San José Juan Santamaria Intl

Tue 5/20

7:55 am-9:21 pm

1 stop11h 26m

$322

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 5/15

3:55 pm-9:59 am

1 stop20h 04m

San José Juan Santamaria Intl

Mon 5/19

8:46 am-2:14 pm

1 stop27h 28m

$332

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 6/5

9:10 am-8:09 pm

2 stops12h 59m

San José Juan Santamaria Intl

Tue 6/17

6:10 am-9:49 pm

2 stops13h 39m

$333

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 5/12

9:30 pm-10:27 am

1 stop14h 57m

San José Juan Santamaria Intl

Fri 5/23

11:32 am-4:02 pm

1 stop26h 30m

$350

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 10/3

4:50 pm-11:15 am

1 stop20h 25m

San José Juan Santamaria Intl

Sun 10/12

7:45 pm-2:55 pm

1 stop17h 10m

$381

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Thu 6/5

5:30 am-2:23 pm

2 stops10h 53m

Liberia

Wed 6/11

11:05 am-11:44 pm

1 stop10h 39m

$391

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Thu 7/17

9:06 pm-11:45 am

2 stops16h 39m

Liberia

Mon 7/21

2:25 pm-12:59 am

1 stop8h 34m

$395

PortlandSan José

PWM - SJO

PWMSJO

Portland

Fri 5/16

4:01 pm-12:50 pm

2 stops22h 49m

San José Juan Santamaria Intl

Sat 5/31

6:03 am-10:27 am

2 stops26h 24m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 44 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 May 1, 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 May 1, 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
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,415 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $118 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 Avianca and Copa Airlines, with prices starting from $133 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$382Average$772FlexibilityNo cancel feeOn-time71%
DeltaCheapest$521Average$778FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$528Average$789FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$584Average$1,120FlexibilityNo cancel feeOn-time63%

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