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

United Airlines, Air Canada, and American Airlines are the most popular carriers operating from Maine to Costa Rica

What airlines fly to Costa Rica?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Costa Rica from Maine according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 5 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 Maine to Costa Rica?

Prices for flights from Maine to Costa Rica were last updated today.

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

As of May 2026, there are 11 operators available to choose from for flights from Maine to Costa Rica.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maine 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.

$163 Cheap Flights from Maine to Costa Rica in 2026

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Find the cheapest flights from Maine to Costa Rica

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:52 am - 9:06 am

BOS

SJO

26h 14m

1 stop

4:10 am - 11:08 pm

SJO

BOS

16h 58m

1 stop

$344Copa Airlines

Wed, Jun 3 - Sun, Jun 7

4:50 pm - 11:40 pm

BOS

SJO

8h 50m

1 stop

5:05 am - 2:50 pm

SJO

BOS

7h 45m

1 stop

$355Avianca

Tue, Jun 16 - Thu, Jun 25

8:15 pm - 11:58 am

BOS

SJO

17h 43m

1 stop

1:23 pm - 12:58 am

SJO

BOS

9h 35m

1 stop

$356Delta

Tue, Oct 20 - Tue, Oct 27

7:19 pm - 11:05 am

BOS

SJO

17h 46m

2 stops

2:45 pm - 12:34 am

SJO

BOS

7h 49m

1 stop

$361American Airlines

Wed, Oct 14 - Wed, Oct 21

7:19 pm - 11:05 am

BOS

SJO

17h 46m

2 stops

2:45 pm - 12:34 am

SJO

BOS

7h 49m

1 stop

$371American Airlines

Wed, Oct 14 - Wed, Oct 21

3:20 pm - 1:40 pm

BOS

LIR

23h 20m

1 stop

2:55 pm - 6:42 pm

LIR

BOS

26h 47m

1 stop

$475Air Canada

Mon, Nov 2 - Fri, Nov 20

10:45 am - 12:05 pm

BOS

LIR

27h 20m

1 stop

1:00 pm - 9:50 am

LIR

BOS

18h 50m

2 stops

$476Air Canada

Fri, Jun 12 - Sat, Jun 20

8:20 pm - 12:10 pm

BOS

LIR

17h 50m

2 stops

4:30 pm - 8:17 am

LIR

BOS

13h 47m

1 stop

$481United Airlines

Wed, Jun 3 - Wed, Jun 10

4:48 pm - 11:44 am

PWM

LIR

19h 56m

2 stops

5:15 pm - 10:57 pm

LIR

PWM

28h 42m

1 stop

$494United Airlines

Mon, Nov 16 - Thu, Nov 19

6:00 am - 12:58 pm

PWM

SJO

7h 58m

1 stop

7:00 am - 10:23 pm

SJO

PWM

14h 23m

1 stop

$575Delta

Sun, Nov 8 - Mon, Nov 23

Copa Airlines flights from Maine to Costa Rica

Our best Copa Airlines deals on Maine to Costa Rica flight tickets

Copa Airlines

Jun 3

BOS8:52 amBoston Logan Intl

26h 14m

1 stop

SJO9:06 amSan José Juan Santamaria Intl

Jun 7

SJO4:10 amSan José Juan Santamaria Intl

16h 58m

1 stop

BOS11:08 pmBoston Logan Intl

$344

Copa Airlines

Oct 12

BOS8:47 amBoston Logan Intl

11h 37m

1 stop

SJO6:24 pmSan José Juan Santamaria Intl

Oct 17

SJO5:55 pmSan José Juan Santamaria Intl

18h 44m

1 stop

BOS2:39 pmBoston Logan Intl

$359

Copa Airlines

May 26

BOS4:00 pmBoston Logan Intl

17h 09m

1 stop

SJO7:09 amSan José Juan Santamaria Intl

Jun 2

SJO6:19 pmSan José Juan Santamaria Intl

26h 49m

1 stop

BOS11:08 pmBoston Logan Intl

$366

Avianca flights from Maine to Costa Rica

Our best Avianca deals on Maine to Costa Rica flight tickets

Avianca

Jun 16

BOS4:50 pmBoston Logan Intl

8h 50m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Jun 25

SJO5:05 amSan José Juan Santamaria Intl

7h 45m

1 stop

BOS2:50 pmBoston Logan Intl

$355

Avianca

Sep 3

BOS4:50 pmBoston Logan Intl

8h 50m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Sep 8

SJO5:05 amSan José Juan Santamaria Intl

7h 45m

1 stop

BOS2:50 pmBoston Logan Intl

$363

Avianca

Jun 1

BOS4:50 pmBoston Logan Intl

8h 50m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Jun 4

SJO7:45 pmSan José Juan Santamaria Intl

17h 05m

1 stop

BOS2:50 pmBoston Logan Intl

$365

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 6/3

8:52 am-9:06 am

1 stop26h 14m

San José Juan Santamaria Intl

Sun 6/7

4:10 am-11:08 pm

1 stop16h 58m

$344

Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 6/16

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Thu 6/25

5:05 am-2:50 pm

1 stop7h 45m

$355

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 10/20

8:15 pm-11:58 am

1 stop17h 43m

San José Juan Santamaria Intl

Tue 10/27

1:23 pm-12:58 am

1 stop9h 35m

$356

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 10/14

7:19 pm-11:05 am

2 stops17h 46m

San José Juan Santamaria Intl

Wed 10/21

2:45 pm-12:34 am

1 stop7h 49m

$361

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 10/14

7:19 pm-11:05 am

2 stops17h 46m

San José Juan Santamaria Intl

Wed 10/21

2:45 pm-12:34 am

1 stop7h 49m

$371

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 11/2

3:20 pm-1:40 pm

1 stop23h 20m

Liberia

Fri 11/20

2:55 pm-6:42 pm

1 stop26h 47m

$475

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Fri 6/12

10:45 am-12:05 pm

1 stop27h 20m

Liberia

Sat 6/20

1:00 pm-9:50 am

2 stops18h 50m

$476

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Wed 6/3

8:20 pm-12:10 pm

2 stops17h 50m

Liberia

Wed 6/10

4:30 pm-8:17 am

1 stop13h 47m

$481

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Mon 11/16

4:48 pm-11:44 am

2 stops19h 56m

Liberia

Thu 11/19

5:15 pm-10:57 pm

1 stop28h 42m

$494

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sun 11/8

6:00 am-12:58 pm

1 stop7h 58m

San José Juan Santamaria Intl

Mon 11/23

7:00 am-10:23 pm

1 stop14h 23m

$575

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 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 Maine is in July. Flight prices, which tend to average around $136, 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 March is your next best option. Flight prices from Maine to Costa Rica during March average around $145.

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

You could potentially save up to 23% on your flight if you consider stops on a Maine to Costa Rica flight.

Cheap Maine to Costa Rica flight deals and tips

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

Fastest flight time	5h 49m
Direct flights	Sun
Airports in Costa Rica	40 airports

The fastest flight from Maine to Costa Rica takes 5h 49m

Direct flights go from Maine to Costa Rica on Sunday. There are no airlines offering direct flights.

There are 40 airports in Costa Rica. From Maine there are direct flights to Liberia (LIR).

Search flight deals

Frequently asked questions about flying from Maine to Costa Rica

When did momondo last update prices for flights from Maine to Costa Rica?
Prices for flights from Maine to Costa Rica were last updated today.
How many operators does momondo search for flights from Maine to Costa Rica?
As of May 2026, there are 11 operators available to choose from for flights from Maine to Costa Rica.
How old do you have to be to fly from Maine to Costa Rica?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maine 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 Maine to Costa Rica

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $236	Free Cancellation	Rating 7.2 2,981 reviews	Search JetBlue flights
United Airlines	PriceFrom $251	Free Cancellation	Rating 7.4 9,748 reviews	Search United Airlines flights
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
Delta	PriceFrom $299	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
Southwest	PriceFrom $577	Free Cancellation	Rating 7.9 4,282 reviews	Search Southwest flights

Why use momondo?

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

Finding the right flight to Costa Rica from Maine is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Costa Rica quick and easy, saving you time and money.

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

Yes. All flights to Costa Rica from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maine to Costa Rica.

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

Price alerts on flights to Costa Rica from Maine 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

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.

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Popular cities

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Popular cities in Costa Rica

Flights to San Joséfrom $290

Flights to Liberiafrom $292

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Flights to Tamarindo

Flights to Golfito

Flights to Tambor

Cheap flights from Maine to Costa Rica from $163

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Costa Rica departing on 8/24. 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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Copa Airlines flights from Maine to Costa Rica

Our best Copa Airlines deals on Maine to Costa Rica flight tickets

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Our best Avianca deals on Maine to Costa Rica flight tickets

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

What is the cheapest month to fly to Costa Rica?

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

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

What airlines fly to Costa Rica?

Cheap Maine to Costa Rica flight deals and tips

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

Fastest flight time

Direct flights

Airports in Costa Rica

Frequently asked questions about flying from Maine to Costa Rica

Best airlines flying from Maine to Costa Rica

Compare and see reviews for airlines that fly from 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

Maine flight routes

According to popular flight searches on momondo this year

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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