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

Departing from Portland, Maine to Costa Rica will take you 17h 02m. Portland, Maine and Costa Rica are separated by a distance of 2469 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

$109 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $128 and $141, respectively.

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.

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).

What are the most popular airlines that fly from Portland, Maine to Costa Rica?

The most popular airlines flying from Portland, Maine to Costa Rica are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from PWM to CR?

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.

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.

$108+ Flights from Portland, ME to Costa Rica

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Cheap 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 December 29, 2025.

Wed 12/317:30 pmPWM - SJO

2 stops18h 26mUnited Airlines

Fri 1/96:30 amSJO - PWM

2 stops31h 09mUnited Airlines

Deal found 12/27

$484

Wed 12/317:00 amPWM - SJO

2 stops15h 55mDelta

Fri 1/97:00 amSJO - PWM

1 stop14h 27mDelta

Deal found 12/27

$654

Wed 12/318:00 amPWM - SJO

3 stops13h 14mAmerican Airlines

Fri 1/97:30 amSJO - PWM

2 stops15h 13mAmerican Airlines

Deal found 12/27

$2,633

Best flights from Portland to Costa Rica
Discover carefully curated flight deals from Portland to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 29, 2025.

Mon 2/25:20 amPWM - SJO

2 stops18h 10mAmerican Airlines

Sat 2/74:02 pmSJO - PWM

2 stops19h 04mAmerican Airlines

Deal found 12/29

$256

Fri 2/276:00 amPWM - SJO

2 stops17h 02mDelta

Thu 3/57:00 amSJO - PWM

2 stops16h 18mDelta

Deal found 12/28

$321

Tue 2/246:18 amPWM - SJO

2 stops16h 44mDelta

Thu 3/57:00 amSJO - PWM

2 stops16h 18mDelta

Deal found 12/28

$321

Sat 1/105:09 pmPWM - LIR

2 stops20h 28mAmerican Airlines

Sat 1/173:23 pmLIR - PWM

2 stops19h 43mAmerican Airlines

Deal found 12/27

$329

Sat 2/2812:29 pmPWM - LIR

2 stops25h 08mAmerican Airlines

Thu 3/51:21 pmLIR - PWM

2 stops21h 38mAmerican Airlines

Deal found 12/28

$329

Mon 2/25:30 amPWM - SJO

1 stop8h 30mDelta

Sat 2/73:54 pmSJO - PWM

2 stops19h 09mDelta

Deal found 12/29

$348

Mon 3/96:00 pmPWM - LIR

2 stops21h 13mAmerican Airlines

Thu 3/121:32 pmLIR - PWM

1 stop25h 35mAmerican Airlines

Deal found 12/28

$342

Wed 2/255:31 amPWM - SJO

1 stop17h 31mDelta

Wed 3/42:25 pmSJO - PWM

2 stops19h 53mDelta

Deal found 12/28

$348

Tue 2/312:46 pmPWM - SJO

2 stops10h 44mAmerican Airlines

Tue 2/241:31 pmSJO - PWM

2 stops21h 28mAmerican Airlines

Deal found 12/29

$351

Thu 2/266:00 amPWM - SJO

2 stops17h 02mDelta

Wed 3/42:25 pmSJO - PWM

2 stops19h 53mDelta

Deal found 12/28

$384

Sat 4/2511:56 amPWM - SJO

1 stop25h 29mAmerican Airlines

Sat 5/22:22 pmSJO - PWM

2 stops18h 53mAmerican Airlines

Deal found 12/29

$356

Tue 2/245:31 amPWM - SJO

1 stop8h 29mDelta

Tue 3/32:25 pmSJO - PWM

2 stops22h 18mDelta

Deal found 12/28

$388

Sat 1/107:00 amPWM - SJO

2 stops16h 30mAmerican Airlines

Sat 1/177:09 amSJO - PWM

2 stops13h 28mAmerican Airlines

Deal found 12/29

$359

Wed 2/256:30 amPWM - SJO

2 stops16h 32mDelta

Tue 3/32:25 pmSJO - PWM

2 stops22h 18mDelta

Deal found 12/28

$388

Thu 2/265:31 amPWM - SJO

1 stop17h 31mDelta

Tue 3/32:25 pmSJO - PWM

2 stops22h 18mDelta

Deal found 12/28

$388

Mon 2/236:28 pmPWM - LIR

2 stops20h 50mAmerican Airlines

Mon 3/912:37 pmLIR - PWM

1 stop8h 13mAmerican Airlines

Deal found 12/27

$429

Last-minute flights from Portland to Costa Rica
Discover last-minute flight deals from Portland to Costa Rica. Data last updated December 29, 2025 and is based on user searches.

Thu 1/16:40 pmPWM - SJO

2 stops18h 53mGOL

Fri 1/91:43 pmSJO - PWM

2 stops21h 25mGOL

Deal found 12/28

$343

Thu 1/16:40 pmPWM - SJO

2 stops18h 53mAmerican Airlines

Fri 1/97:09 amSJO - PWM

2 stops13h 58mAmerican Airlines

Deal found 12/27

$351

Mon 1/57:17 amPWM - LIR

1 stop30h 20mAmerican Airlines

Mon 1/121:21 pmLIR - PWM

2 stops21h 44mAmerican Airlines

Deal found 12/29

$463

Wed 1/76:00 amPWM - SJO

2 stops18h 43mAmerican Airlines

Tue 3/2411:35 pmSJO - PWM

2 stops15h 32mAmerican Airlines

Deal found 12/29

$352

Sat 1/105:09 pmPWM - LIR

2 stops20h 28mAmerican Airlines

Sat 1/173:23 pmLIR - PWM

2 stops19h 43mAmerican Airlines

Deal found 12/27

$329

Sat 1/104:10 pmPWM - SJO

1 stop21h 46mUnited Airlines

Sat 1/176:30 amSJO - PWM

2 stops31h 01mUnited Airlines

Deal found 12/29

$413

Mon 1/195:20 amPWM - SJO

2 stops18h 10mAmerican Airlines

Mon 1/267:09 amSJO - PWM

2 stops13h 58mAmerican Airlines

Deal found 12/27

$256

Mon 1/193:45 pmPWM - SJO

1 stop21h 06mJetBlue

Tue 1/271:15 pmSJO - PWM

1 stop23h 43mJetBlue

Deal found 12/27

$445

Sun 1/253:58 pmPWM - SJO

2 stops21h 45mGOL

Sun 2/14:02 pmSJO - PWM

2 stops29h 05mGOL

Deal found 12/28

$341

Tue 1/279:40 amPWM - SJO

2 stops11h 59mUnited Airlines

Thu 1/292:05 pmSJO - PWM

2 stops51h 49mUnited Airlines

Deal found 12/27

$453

Thu 1/294:10 pmPWM - SJO

1 stop21h 46mUnited Airlines

Sun 2/88:45 amSJO - PWM

2 stops28h 54mUnited Airlines

Deal found 12/27

$402

Thu 1/296:00 amPWM - SJO

2 stops16h 02mAmerican Airlines

Sun 2/86:00 amSJO - PWM

2 stops16h 43mAmerican Airlines

Deal found 12/27

$430

One-way flights from Portland to Costa Rica
Search for one-way flight options from Portland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated December 29, 2025.

Tue 1/277:00 amPWM - SJO

2 stops16h 30mAmerican Airlines

Deal found 12/28

$108

Mon 1/265:20 amPWM - SJO

2 stops18h 10mAmerican Airlines

Deal found 12/28

$115

Fri 1/305:07 pmPWM - LIR

2 stops23h 02mAmerican Airlines

Deal found 12/29

$152

Wed 1/284:10 pmPWM - SJO

1 stop21h 46mUnited Airlines

Deal found 12/28

$174

Mon 1/263:45 pmPWM - SJO

1 stop21h 06mJetBlue

Deal found 12/28

$206

Fri 1/304:10 pmPWM - LIR

1 stop21h 50mUnited Airlines

Deal found 12/29

$216

Wed 1/286:18 pmPWM - SJO

3 stops22h 12mMultiple Airlines

Deal found 12/28

$242

Mon 1/2611:29 amPWM - SJO

3 stops25h 08mMultiple Airlines

Deal found 12/28

$266

Tue 1/275:30 amPWM - SJO

1 stop8h 30mDelta

Deal found 12/28

$421

Find flight deals from Portland to Costa Rica

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$256 (American Airlines)
One-way from	$108 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$1,778

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 Portland to Costa Rica

Search Deals

One-way flight from Portland to Costa Rica

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease ($93 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 2/2

5:20 am-10:30 pm

2 stops18h 10m

San José Juan Santamaria Intl

Sat 2/7

4:02 pm-12:06 pm

2 stops19h 04m

$256

PortlandSan José

PWM - SJO

PWMSJO

Portland

Fri 2/27

6:00 am-10:02 pm

2 stops17h 02m

San José Juan Santamaria Intl

Thu 3/5

7:00 am-12:18 am

2 stops16h 18m

$321

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 2/24

6:18 am-10:02 pm

2 stops16h 44m

San José Juan Santamaria Intl

Thu 3/5

7:00 am-12:18 am

2 stops16h 18m

$321

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Sat 1/10

5:09 pm-12:37 pm

2 stops20h 28m

Liberia

Sat 1/17

3:23 pm-12:06 pm

2 stops19h 43m

$329

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Sat 2/28

12:29 pm-12:37 pm

2 stops25h 08m

Liberia

Thu 3/5

1:21 pm-11:59 am

2 stops21h 38m

$329

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Mon 3/9

6:00 pm-1:13 pm

2 stops21h 13m

Liberia

Thu 3/12

1:32 pm-5:07 pm

1 stop25h 35m

$342

PortlandSan José

PWM - SJO

PWMSJO

Portland

Mon 2/2

5:30 am-1:00 pm

1 stop8h 30m

San José Juan Santamaria Intl

Sat 2/7

3:54 pm-12:03 pm

2 stops19h 09m

$348

PortlandSan José

PWM - SJO

PWMSJO

Portland

Wed 2/25

5:31 am-10:02 pm

1 stop17h 31m

San José Juan Santamaria Intl

Wed 3/4

2:25 pm-11:18 am

2 stops19h 53m

$348

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 2/3

12:46 pm-10:30 pm

2 stops10h 44m

San José Juan Santamaria Intl

Tue 2/24

1:31 pm-11:59 am

2 stops21h 28m

$351

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sat 4/25

11:56 am-11:25 am

1 stop25h 29m

San José Juan Santamaria Intl

Sat 5/2

2:22 pm-11:15 am

2 stops18h 53m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 24 results

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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Costa Rica

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

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Costa Rica (average of $193). Flying from Portland, Maine to Costa Rica in August is currently the most expensive (average of $321). 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.

Reviews of airlines servicing Costa Rica

See what other customers who have flown with Southwest, Delta, and United Airlines from Portland to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,252 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,014 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,120 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,072 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

JetBlue

7.2

Good

2,901 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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.
How long is the flight from Portland, Maine to Costa Rica?
Departing from Portland, Maine to Costa Rica will take you 17h 02m. Portland, Maine and Costa Rica are separated by a distance of 2469 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Portland, Maine to Costa Rica one-way?
$109 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $128 and $141, respectively.
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, November is the cheapest month in which you can book a flight from Portland, Maine to Costa Rica (average of $193). Flying from Portland, Maine to Costa Rica in August is currently the most expensive (average of $321). 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

Alternative routes for Portland to Costa Rica

Boston to San José flights

Boston to Panama City flights

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Boston to San Salvador flights

Boston to Philip S.W.Goldson flights

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Boston to San Pedro Sula flights

Boston to Managua flights

Portland to San José flights

Portland to Liberia flights

Portland to Philip S.W.Goldson flights

Portland to Managua flights

Portland to Guatemala City flights

Boston to Tegucigalpa flights

Augusta to Guatemala City flights

Top 5 airlines flying from Portland to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$236	Average$236	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$299	Average$726	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$320	Average$584	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$468	Average$727	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$551	Average$749	FlexibilityNo cancel fee	On-time63%

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$108+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Costa Rica with Cheapflights

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Cheap flight deals from Portland to Costa Rica

Cheapest flights from Portland to Costa RicaExplore 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 December 29, 2025.

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 December 29, 2025.

Find 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 December 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Costa Rica that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Costa Rica

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

Reviews of airlines servicing Costa Rica

See what other customers who have flown with Southwest, Delta, and United Airlines from Portland to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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 Portland to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Portland to Costa Rica

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Travel Smart

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 December 29, 2025.