What is the cheapest airline that flies from Portland to Costa Rica?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Portland to Costa Rica

What airlines fly to Costa Rica?

JetBlue, American Airlines and Copa Airlines are the top three most popular airlines that fly to Costa Rica from Portland, Maine according to our data. JetBlue is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 10 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Costa Rica?

Prices for flights from Portland Airport to Costa Rica are updated daily.

How many operators does momondo search for flights from Portland Airport to Costa Rica?

As of September 2026, there are 5 operators available to choose from for flights from Portland Airport to Costa Rica.

How old do you have to be to fly from Portland Airport to Costa Rica?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$148 Cheap Flights from Portland, Maine to Costa Rica in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:27 am - 10:15 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 48m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

7:00 am - 11:21 pmSJO San José Juan Santamaria Intl-PWM Portland

15h 21m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

$384Delta

Fri, Nov 13 - Thu, Nov 19

6:27 am - 10:15 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 48m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

7:00 am - 11:31 pmSJO San José Juan Santamaria Intl-PWM Portland

15h 31m1 stop Atlanta Hartsfield-Jackson

$384Delta

Fri, Nov 13 - Thu, Nov 19

6:28 pm - 12:26 pmPWM Portland-SJO San José Juan Santamaria Intl

18h 58m2 stops Philadelphia Miami

3:56 pm - 12:12 pmSJO San José Juan Santamaria Intl-PWM Portland

19h 16m2 stops Miami Philadelphia

$397American Airlines

Thu, Feb 18 - Fri, Feb 26

5:30 am - 8:21 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 51m2 stops Philadelphia Miami

3:01 pm - 12:31 pmSJO San José Juan Santamaria Intl-PWM Portland

19h 30m2 stops Miami Chicago O'Hare Intl

$397American Airlines

Fri, Oct 23 - Fri, Oct 30

5:30 am - 8:21 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 51m2 stops Philadelphia Miami

3:01 pm - 4:57 pmSJO San José Juan Santamaria Intl-PWM Portland

23h 56m2 stops Miami New York LaGuardia

$454GOL

Thu, Oct 15 - Sun, Oct 18

5:50 am - 8:39 pmPWM Portland-SJO San José Juan Santamaria Intl

15h 49m2 stops Newark Houston George Bush Intcntl

11:28 pm - 9:05 amSJO San José Juan Santamaria Intl-PWM Portland

8h 37m1 stop Newark

$491United Airlines

Wed, Nov 11 - Wed, Dec 9

6:36 pm - 7:55 pmPWM Portland-SJO San José Juan Santamaria Intl

26h 19m2 stops Philadelphia Dallas/Fort Worth

2:57 pm - 9:36 pmSJO San José Juan Santamaria Intl-PWM Portland

29h 39m2 stops Dallas/Fort Worth Charlotte Douglas

$494GOL

Thu, Feb 4 - Tue, Feb 9

6:00 am - 6:37 pmPWM Portland-LIR Liberia

14h 37m2 stops Newark Houston George Bush Intcntl

2:20 pm - 2:16 pmLIR Liberia-PWM Portland

22h 56m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$511United Airlines

Sat, Oct 31 - Wed, Nov 4

5:25 am - 12:05 pmPWM Portland-SJO San José Juan Santamaria Intl

7h 40m1 stop Baltimore/Washington

1:50 pm - 11:45 pmSJO San José Juan Santamaria Intl-PWM Portland

8h 55m1 stop Baltimore/Washington

$691Southwest

Sun, Feb 21 - Sun, Feb 28

12:35 pm - 12:50 pmPWM Portland-SJO San José Juan Santamaria Intl

25h 15m2 stops Baltimore/Washington Denver Intl

2:45 pm - 8:10 amSJO San José Juan Santamaria Intl-PWM Portland

16h 25m2 stops Orlando Baltimore/Washington

$967Southwest

Fri, Feb 12 - Fri, Feb 19

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 8:30 amPWM Portland-SJO San José Juan Santamaria Intl

28h 30m2 stops New York John F Kennedy Intl Guatemala City La Aurora

4:35 pm - 11:54 pmSJO San José Juan Santamaria Intl-PWM Portland

29h 19m2 stops Guatemala City La Aurora New York John F Kennedy Intl

$508Multiple Airlines

Sun, Sep 27 - Wed, Sep 30

6:00 am - 11:30 amPWM Portland-SJO San José Juan Santamaria Intl

31h 30m2 stops New York John F Kennedy Intl San Salvador El Salvador Intl

4:35 pm - 11:54 pmSJO San José Juan Santamaria Intl-PWM Portland

29h 19m2 stops Guatemala City La Aurora New York John F Kennedy Intl

$550Multiple Airlines

Mon, Sep 28 - Wed, Sep 30

6:00 am - 11:45 amPWM Portland-SJO San José Juan Santamaria Intl

31h 45m3 stops New York John F Kennedy Intl San Salvador El Salvador Intl Panama City Tocumen Intl

4:35 pm - 11:54 pmSJO San José Juan Santamaria Intl-PWM Portland

29h 19m2 stops Guatemala City La Aurora New York John F Kennedy Intl

$551Multiple Airlines

Mon, Sep 28 - Wed, Sep 30

6:00 am - 8:07 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 07m2 stops Washington, D.C. Reagan-National Miami

6:00 am - 11:47 pmSJO San José Juan Santamaria Intl-PWM Portland

15h 47m2 stops Miami Chicago O'Hare Intl

$860American Airlines

Sun, Sep 27 - Wed, Sep 30

5:30 am - 8:07 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 37m2 stops Philadelphia Miami

6:00 am - 11:47 pmSJO San José Juan Santamaria Intl-PWM Portland

15h 47m2 stops Miami Chicago O'Hare Intl

$860American Airlines

Mon, Sep 28 - Wed, Sep 30

5:30 am - 8:07 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 37m2 stops Philadelphia Miami

6:00 am - 11:47 pmSJO San José Juan Santamaria Intl-PWM Portland

15h 47m2 stops Miami Chicago O'Hare Intl

$873American Airlines

Mon, Sep 28 - Wed, Sep 30

6:00 am - 11:54 amPWM Portland-SJO San José Juan Santamaria Intl

7h 54m1 stop Atlanta Hartsfield-Jackson

1:19 pm - 11:28 pmSJO San José Juan Santamaria Intl-PWM Portland

8h 09m1 stop Atlanta Hartsfield-Jackson

$994Delta

Mon, Sep 28 - Wed, Sep 30

6:00 am - 11:54 amPWM Portland-SJO San José Juan Santamaria Intl

7h 54m1 stop Atlanta Hartsfield-Jackson

1:19 pm - 11:28 pmSJO San José Juan Santamaria Intl-PWM Portland

8h 09m1 stop Atlanta Hartsfield-Jackson

$994Delta

Sun, Sep 27 - Wed, Sep 30

6:55 pm - 11:38 amPWM Portland-SJO San José Juan Santamaria Intl

18h 43m1 stop Newark

1:25 pm - 11:28 pmSJO San José Juan Santamaria Intl-PWM Portland

32h 03m2 stops Houston George Bush Intcntl Newark

$1,077United Airlines

Mon, Sep 28 - Wed, Sep 30

5:15 am - 7:37 pmPWM Portland-SJO San José Juan Santamaria Intl

16h 22m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

12:44 pm - 11:28 pmSJO San José Juan Santamaria Intl-PWM Portland

8h 44m1 stop Newark

$1,171United Airlines

Sun, Sep 27 - Wed, Sep 30

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American Airlines flights from Portland, Maine to Costa Rica

Our best American Airlines deals on Portland, Maine to Costa Rica flight tickets

American Airlines

Nov 3

PWM6:47 pmPortland

27h 03m

2 stops

SJO8:50 pmSan José Juan Santamaria Intl

Nov 10

SJO3:54 pmSan José Juan Santamaria Intl

17h 30m

2 stops

PWM10:24 amPortland

$412

American Airlines

Nov 15

PWM6:47 pmPortland

18h 46m

2 stops

LIR12:33 pmLiberia

Nov 21

LIR3:32 pmLiberia

18h 06m

2 stops

PWM10:38 amPortland

$440

American Airlines

Nov 11

PWM6:47 pmPortland

19h 14m

2 stops

SJO1:01 pmSan José Juan Santamaria Intl

Dec 9

SJO2:07 pmSan José Juan Santamaria Intl

20h 46m

2 stops

PWM11:53 amPortland

$481

GOL flights from Portland, Maine to Costa Rica

Our best GOL deals on Portland, Maine to Costa Rica flight tickets

GOL

Oct 15

PWM5:30 amPortland

16h 51m

2 stops

SJO8:21 pmSan José Juan Santamaria Intl

Oct 18

SJO3:01 pmSan José Juan Santamaria Intl

23h 56m

2 stops

PWM4:57 pmPortland

$454

GOL

Feb 4

PWM6:36 pmPortland

26h 19m

2 stops

SJO7:55 pmSan José Juan Santamaria Intl

Feb 9

SJO2:57 pmSan José Juan Santamaria Intl

29h 39m

2 stops

PWM9:36 pmPortland

$494

GOL

Nov 16

PWM6:47 pmPortland

19h 14m

2 stops

SJO1:01 pmSan José Juan Santamaria Intl

Nov 30

SJO12:37 amSan José Juan Santamaria Intl

21h 12m

2 stops

PWM10:49 pmPortland

$533

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Fri 11/13

6:27 am-10:15 pm

2 stops16h 48m

San José Juan Santamaria Intl

Thu 11/19

7:00 am-11:21 pm

2 stops15h 21m

$384

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Fri 11/13

6:27 am-10:15 pm

2 stops16h 48m

San José Juan Santamaria Intl

Thu 11/19

7:00 am-11:31 pm

1 stop15h 31m

$384

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Thu 2/18

6:28 pm-12:26 pm

2 stops18h 58m

San José Juan Santamaria Intl

Fri 2/26

3:56 pm-12:12 pm

2 stops19h 16m

$397

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Fri 10/23

5:30 am-8:21 pm

2 stops16h 51m

San José Juan Santamaria Intl

Fri 10/30

3:01 pm-12:31 pm

2 stops19h 30m

$397

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Thu 10/15

5:30 am-8:21 pm

2 stops16h 51m

San José Juan Santamaria Intl

Sun 10/18

3:01 pm-4:57 pm

2 stops23h 56m

$454

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Wed 11/11

5:50 am-8:39 pm

2 stops15h 49m

San José Juan Santamaria Intl

Wed 12/9

11:28 pm-9:05 am

1 stop8h 37m

$491

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Thu 2/4

6:36 pm-7:55 pm

2 stops26h 19m

San José Juan Santamaria Intl

Tue 2/9

2:57 pm-9:36 pm

2 stops29h 39m

$494

PortlandLiberia

PWM Portland - LIR Liberia

PWMLIR

Portland

Sat 10/31

6:00 am-6:37 pm

2 stops14h 37m

Liberia

Wed 11/4

2:20 pm-2:16 pm

2 stops22h 56m

$511

Quickest round-trip

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Sun 2/21

5:25 am-12:05 pm

1 stop7h 40m

San José Juan Santamaria Intl

Sun 2/28

1:50 pm-11:45 pm

1 stop8h 55m

$691

PortlandSan José

PWM Portland - SJO San José Juan Santamaria Intl

PWMSJO

Portland

Fri 2/12

12:35 pm-12:50 pm

2 stops25h 15m

San José Juan Santamaria Intl

Fri 2/19

2:45 pm-8:10 am

2 stops16h 25m

$967

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Portland, Maine is in July. Flight prices, which tend to average around $178, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in July, then January is your next best option. Flight prices from Portland, Maine to Costa Rica during January average around $362.

Can stopping save me money on Portland, Maine to Costa Rica flights?

You could potentially save up to 32% on your flight if you consider stops on a Portland, Maine to Costa Rica flight.

Cheap Portland, Maine to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Costa Rica

Best Price Found	$148
Fastest flight time	10h 20m
Direct flights	None

The best one-way flight to Costa Rica from Portland, Maine in the past 72 hours is $148. The best round-trip flight deal from Portland, Maine to Costa Rica found on momondo in the last 72 hours is $384.

The fastest flight from Portland, Maine to Costa Rica takes 10h 20m

There are no direct flights from Portland, Maine to Costa Rica. There are no popular flight routes from Portland, Maine to Costa Rica.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Costa Rica

When did momondo last update prices for flights from Portland Airport to Costa Rica?
Prices for flights from Portland Airport to Costa Rica are updated daily.
How many operators does momondo search for flights from Portland Airport to Costa Rica?
As of September 2026, there are 5 operators available to choose from for flights from Portland Airport to Costa Rica.
How old do you have to be to fly from Portland Airport to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland, Maine to Costa Rica

Compare and see reviews for airlines that fly from Portland, Maine to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $145	Free Cancellation	Rating 7.8 8,597 reviews	Search Delta flights
JetBlue	PriceFrom $236	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
United Airlines	PriceFrom $251	Free Cancellation	Rating 7.4 10,222 reviews	Search United Airlines flights
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights
Southwest	PriceFrom $577	Free Cancellation	Rating 8.0 4,194 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Costa Rica?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Portland.

Can I find flights from Portland to Costa Rica with flexible booking policies on momondo?

momondo does allow users to show only those flights to Costa Rica from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Costa Rica?

Once all potential Portland to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Costa Rica right now. Can momondo alert me if prices change?

Price alerts on flights to Costa Rica from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Costa Rica trip

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Popular cities in Costa Rica

Flights to San Joséfrom $202

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Cheap flights from Portland, Maine to Costa Rica from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Costa Rica departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Portland, Maine to Costa Rica

Our best American Airlines deals on Portland, Maine to Costa Rica flight tickets

GOL flights from Portland, Maine to Costa Rica

Our best GOL deals on Portland, Maine to Costa Rica flight tickets

momondo Fare Finder

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

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Portland, Maine to Costa Rica

What is the cheapest month to fly to Costa Rica?

Can stopping save me money on Portland, Maine to Costa Rica flights?

What is the cheapest airline that flies from Portland to Costa Rica?

What airlines fly to Costa Rica?

Cheap Portland, Maine to Costa Rica flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland, Maine to Costa Rica

Best airlines flying from Portland, Maine to Costa Rica

Compare and see reviews for airlines that fly from Portland, Maine to Costa Rica with momondo

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Portland, Maine flight routes

According to popular flight searches on momondo this year

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year