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$206+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — PWM
maig 2 — maig 91
ds. 5/2
ds. 5/9
1 adult, Economy
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Cheap flight deals from Costa Rica to Portland

Cheapest flights from Costa Rica to Portland
Explore the most affordable flight options available from Costa Rica to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 2026.

This United Airlines deal was found by Cheapflights users on 3/30. 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.
dv. 5/83:27 pm
LIR
-
PWM
2 stops27h 52m
United Airlines
dl. 5/117:10 pm
PWM
-
LIR
2 stops19h 00m
United Airlines
Deal found 3/30$454
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.
dv. 5/152:40 pm
LIR
-
PWM
2 stops17h 43m
American Airlines
dv. 5/225:57 pm
PWM
-
LIR
2 stops19h 25m
American Airlines
Deal found 3/31$534

Find 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 abril 2, 2026.

Round-trip from

$454
(United Airlines)

One-way from

$206
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$377
From Costa Rica to Portland
Search Deals
One-way flight from Costa Rica to Portland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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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 abril 2, 2026.
Use the filters below to find and compare flights from Costa Rica to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dv. 5/8

3:27 pm-9:19 pm

2 stops27h 52m

Portland

dl. 5/11

7:10 pm-12:10 pm

2 stops19h 00m

$454
Quickest round-trip

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dv. 5/15

12:28 pm-10:46 pm

1 stop8h 18m

Portland

dv. 5/22

5:57 pm-11:22 am

2 stops19h 25m

$749
Cheapest one-way

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dv. 5/8

3:27 pm-11:29 pm

2 stops30h 02m

$206

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dl. 5/4

3:27 pm-11:29 pm

2 stops30h 02m

$206

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

ds. 5/9

3:27 pm-10:23 am

2 stops16h 56m

$212

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dl. 8/24

2:26 pm-11:12 am

2 stops18h 46m

$221

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dv. 8/21

2:26 pm-11:12 am

2 stops18h 46m

$266

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

ds. 8/22

12:30 pm-11:01 pm

1 stop8h 31m

$469

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dc. 5/6

6:00 pm-2:09 pm

3 stops42h 09m

$522
Quickest one-way

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

dt. 5/5

1:25 pm-11:23 pm

1 stop7h 58m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 $160). Flying from Costa Rica to Portland, Maine in August is currently the most expensive (average of $305). 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.

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.

  • How long is the flight from Costa Rica to Portland, Maine?

    For as low as $454, United Airlines can have you in Portland, Maine from Costa Rica in 27h 52m. Costa Rica and Portland, Maine are separated by a distance of 2458 mi.

  • 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 $160). Flying from Costa Rica to Portland, Maine in August is currently the most expensive (average of $305). 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
Lewiston
Conway

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