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$282+ Cheap flights from Costa Rica to Portland, ME (PWM)

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.
SJO — PWM
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Costa Rica to Portland

Keep the following information in mind while searching for Costa Rica to Portland flight deals. Data was last updated November 3, 2025.

Popular in

October

Cheapest in

November

Average price

$293
Highest demand for flights based on searches. 12% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Costa Rica to Portland

One-way flights from Costa Rica to Portland
Search for one-way flight options from Costa Rica to Portland. Find affordable one-way fares based on user searches. Data last updated November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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 4/301:20 pmLIR - PWM
2 stops19h 27mUnited Airlines
Deal found 11/3$282
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 4/273:25 pmLIR - PWM
2 stops41h 22mUnited Airlines
Deal found 11/3$308
This Delta deal was found by Cheapflights users on 11/3. 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 4/291:25 pmLIR - PWM
2 stops20h 30mDelta
Deal found 11/3$377
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 4/272:30 pmLIR - PWM
2 stops20h 57mAmerican Airlines
Deal found 11/3$383
This United Airlines deal was found by Cheapflights users on 11/3. 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 4/281:20 pmLIR - PWM
2 stops22h 32mUnited Airlines
Deal found 11/3$395
This American Airlines deal was found by Cheapflights users on 11/3. 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 4/2912:30 pmLIR - PWM
1 stop7h 55mAmerican Airlines
Deal found 11/3$431
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 4/243:25 pmLIR - PWM
2 stops20h 27mUnited Airlines
Deal found 11/3$447
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Wed 4/292:35 pmLIR - PWM
2 stops40h 32mMultiple Airlines
Deal found 11/3$496
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:45 pmLIR - PWM
2 stops28h 42mAir Canada
Deal found 11/3$501
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 4/261:20 pmLIR - PWM
2 stops19h 27mUnited Airlines
Deal found 11/3$531

Cheapflights Fare Finder

 
Customize your flight search to find flights from Costa Rica to Portland 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 November 3, 2025.
Use the filters below to find and compare flights from Costa Rica to Portland that are best for you.

Fly from

Costa Rica

Fly to

Portland

Route

Depart

Return

Price

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Thu 4/30

1:20 pm-10:47 am

2 stops19h 27m

$282

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Mon 4/27

3:25 pm-10:47 am

2 stops41h 22m

$308

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Wed 4/29

1:25 pm-11:55 am

2 stops20h 30m

$377

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Mon 4/27

2:30 pm-1:27 pm

2 stops20h 57m

$383

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Tue 4/28

1:20 pm-1:52 pm

2 stops22h 32m

$395

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 4/24

3:25 pm-1:52 pm

2 stops20h 27m

$447

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Wed 4/29

2:35 pm-9:07 am

2 stops40h 32m

$496

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Tue 4/28

2:45 pm-9:27 pm

2 stops28h 42m

$501

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Sun 4/26

1:20 pm-10:47 am

2 stops19h 27m

$531

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Thu 4/30

1:25 pm-5:38 pm

2 stops50h 13m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from Costa Rica to Portland

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

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

Currently, April is the cheapest month in which you can book a flight from Costa Rica to Portland, Maine (average of $164). Flying from Costa Rica to Portland, Maine in August is currently the most expensive (average of $307). 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 CR to PWM?

Find hourly flight availability from Costa Rica to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

When flying from Costa Rica to Portland, Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 3% versus a flight in the evening.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated November 3, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Costa Rica to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,038 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Costa Rica to Portland. 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 into for flights to Portland from Costa Rica?

    Portland (PWM) is the airport you will fly into if you book a flight from Costa Rica to Portland. It is only a 2.9 mi journey from Portland (PWM) to Portland’s city center.

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

    The cheapest airlines for a one-way flight from Costa Rica to Portland, Maine are United Airlines ($282), Delta ($377), and American Airlines ($383).

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Costa Rica to Portland, Maine (average of $164). Flying from Costa Rica to Portland, Maine in August is currently the most expensive (average of $307). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Costa Rica to Portland

Discover the top 2 airlines that operate flights from Costa Rica to Portland. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$233Average$638FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$612Average$655FlexibilityNo cancel feeOn-time71%

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