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$134+ Cheap flights from Portland, ME (PWM) 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJO
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Portland to Costa Rica

Keep the following information in mind while searching for Portland to Costa Rica flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Kiwi.com)

One-way from

$134
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$964
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 Portland to Costa Rica
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One-way flight from Portland to Costa Rica
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Highest demand for flights based on searches. 11% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portland to Costa Rica

Cheapest flights from Portland to Costa Rica
Explore the most affordable flight options available from Portland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
jue. 3/2010:08 amPWM - SJO
1 stop26h 17mMultiple Airlines
jue. 3/2711:30 amSJO - PWM
1 stop22h 11mMultiple Airlines
Deal found 2/19$382
This American Airlines deal was found by Cheapflights users on 2/19. 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.
dom. 4/276:00 amPWM - SJO
2 stops18h 04mAmerican Airlines
vie. 5/26:05 amSJO - PWM
2 stops14h 19mAmerican Airlines
Deal found 2/19$421
This Delta deal was found by Cheapflights users on 2/19. 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.
mar. 3/185:30 amPWM - SJO
1 stop8h 26mDelta
mar. 3/257:00 amSJO - PWM
2 stops14h 14mDelta
Deal found 2/19$465
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/197:20 pmPWM - SJO
2 stops27h 35mUnited Airlines
mié. 3/2611:35 amSJO - PWM
2 stops21h 02mUnited Airlines
Deal found 2/19$475
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 10/185:11 pmPWM - LIR
2 stops20h 04mAmerican Airlines
sáb. 10/252:50 pmLIR - PWM
1 stop18h 31mAmerican Airlines
Deal found 2/20$596
This Copa Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 2/197:15 pmPWM - SJO
2 stops21h 41mCopa Airlines
mar. 3/45:21 pmSJO - PWM
2 stops16h 21mCopa Airlines
Deal found 2/19$661
This Delta deal was found by Cheapflights users on 2/20. 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.
vie. 3/285:30 amPWM - LIR
1 stop8h 11mDelta
mar. 4/11:06 pmLIR - PWM
1 stop8h 52mDelta
Deal found 2/20$685
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/287:20 pmPWM - LIR
2 stops18h 48mUnited Airlines
mar. 4/13:25 pmLIR - PWM
2 stops28h 10mUnited Airlines
Deal found 2/20$689
This Mytrip deal was found by Cheapflights users on 2/20. 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.
sáb. 3/227:00 amPWM - LIR
3 stops33h 00mMultiple Airlines
sáb. 3/294:10 pmLIR - PWM
2 stops18h 06mMultiple Airlines
Deal found 2/20$1,632
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/257:20 pmPWM - SJO
2 stops14h 15mAvianca
dom. 4/61:40 amSJO - PWM
2 stops16h 04mAvianca
Deal found 2/20$1,737

Find flights from Portland to Costa Rica within your budget

Customize your flight search to find flights from Portland 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 febrero 20, 2025.

Fly from

Portland

Fly to

Costa Rica

Route

Depart

Return

Price

PortlandSan José

PWM - SJO

PWMSJO

Portland

jue. 3/20

10:08 am-10:25 am

1 stop26h 17m

San José Juan Santamaria Intl

jue. 3/27

11:30 am-11:41 am

1 stop22h 11m

$382

PortlandSan José

PWM - SJO

PWMSJO

Portland

dom. 4/27

6:00 am-10:04 pm

2 stops18h 04m

San José Juan Santamaria Intl

vie. 5/2

6:05 am-10:24 pm

2 stops14h 19m

$421

PortlandSan José

PWM - SJO

PWMSJO

Portland

mar. 3/18

5:30 am-11:56 am

1 stop8h 26m

San José Juan Santamaria Intl

mar. 3/25

7:00 am-11:14 pm

2 stops14h 14m

$465

PortlandSan José

PWM - SJO

PWMSJO

Portland

mié. 3/19

7:20 pm-8:55 pm

2 stops27h 35m

San José Juan Santamaria Intl

mié. 3/26

11:35 am-10:37 am

2 stops21h 02m

$475

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 5/7

5:48 am-1:05 pm

2 stops9h 17m

Liberia

sáb. 5/17

2:05 pm-11:37 am

2 stops19h 32m

$654

PortlandLiberia

PWM - LIR

PWMLIR

Portland

vie. 3/28

5:30 am-11:41 am

1 stop8h 11m

Liberia

mar. 4/1

1:06 pm-11:58 pm

1 stop8h 52m

$685

PortlandLiberia

PWM - LIR

PWMLIR

Portland

vie. 3/28

7:20 pm-12:08 pm

2 stops18h 48m

Liberia

mar. 4/1

3:25 pm-9:35 pm

2 stops28h 10m

$689

PortlandLiberia

PWM - LIR

PWMLIR

Portland

sáb. 3/22

7:00 am-2:00 pm

3 stops33h 00m

Liberia

sáb. 3/29

4:10 pm-12:16 pm

2 stops18h 06m

$1,632

PortlandSan José

PWM - SJO

PWMSJO

Portland

mar. 3/25

7:20 pm-7:35 am

2 stops14h 15m

San José Juan Santamaria Intl

dom. 4/6

1:40 am-7:44 pm

2 stops16h 04m

$1,737

PortlandSan José

PWM - SJO

PWMSJO

Portland

lun. 3/24

5:50 pm-11:50 pm

2 stops32h 00m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 16 results
1
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Best time to book a flight from Portland to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Portland 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.

Travel insights for flights from Portland to Costa Rica

Get recent, data-driven insights about flights from Portland to Costa Rica including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portland, Maine to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Costa Rica (average of $398). Flying from Portland, 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 PWM to CR?

Find hourly flight availability from Portland 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 febrero 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, 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 febrero 20, 2025.
Read through reviews of airlines operating flights from Portland to Costa Rica, such as Delta, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Avianca
6.8
Okay
2,435 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 airport do you fly from for flights from Portland to Costa Rica?

    For a flight from Portland to Costa Rica, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city.

  • Can I find deals for flights from Portland to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Portland to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Costa Rica.

  • Can I find deals for business class flights from Portland to Costa Rica?

    Yes. Cheapflights offers flight deals from Portland 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 Portland, Maine to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Costa Rica (average of $398). Flying from Portland, 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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Top 4 airlines flying from Portland to Costa Rica

Discover the top 4 airlines that operate flights from Portland 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$450Average$746FlexibilityNo cancel feeOn-time71%
DeltaCheapest$565Average$856FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$584Average$1,256FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$612Average$923FlexibilityNo cancel feeOn-time69%
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