What airlines fly to Costa Rica?

American Airlines, Delta and United Airlines 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 44% 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.

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

American Airlines, United Airlines, and JetBlue are the most popular carriers operating 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 August 2026, there are 10 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.

$156 Cheap Flights from Maine to Costa Rica in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:00 am - 2:17 pmBOS Boston Logan Intl-LIR Liberia

9h 17m1 stop Miami

1:33 pm - 11:56 pmLIR Liberia-BOS Boston Logan Intl

9h 23m1 stop Miami

$350American Airlines

Mon, Nov 16 - Fri, Nov 20

6:00 am - 1:18 pmBOS Boston Logan Intl-LIR Liberia

9h 18m1 stop Miami

2:44 pm - 12:59 amLIR Liberia-BOS Boston Logan Intl

8h 15m1 stop Miami

$350American Airlines

Tue, Oct 6 - Tue, Oct 20

8:47 am - 7:10 amBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

24h 23m1 stop Panama City Tocumen Intl

10:03 am - 11:02 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

10h 59m1 stop Panama City Tocumen Intl

$368Copa Airlines

Tue, Sep 15 - Tue, Sep 22

3:55 pm - 7:10 amBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

17h 15m1 stop Panama City Tocumen Intl

5:55 pm - 11:02 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

27h 07m1 stop Panama City Tocumen Intl

$372Copa Airlines

Wed, Sep 16 - Wed, Sep 23

1:45 pm - 10:15 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

9h 30m1 stop Atlanta Hartsfield-Jackson

3:55 pm - 10:02 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

17h 07m1 stop Atlanta Hartsfield-Jackson

$386Delta

Tue, Dec 8 - Sat, Dec 19

2:55 pm - 10:15 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

8h 20m1 stop Atlanta Hartsfield-Jackson

2:10 pm - 12:58 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

9h 48m1 stop Atlanta Hartsfield-Jackson

$386Delta

Tue, Dec 8 - Mon, Dec 21

9:12 am - 7:39 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

12h 27m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:28 pm - 10:51 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

10h 23m1 stop Newark

$386United Airlines

Thu, Oct 29 - Wed, Nov 4

9:00 am - 6:53 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

11h 53m1 stop Newark

8:45 am - 9:28 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

11h 43m1 stop Houston George Bush Intcntl

$386United Airlines

Thu, Oct 29 - Wed, Nov 4

4:50 pm - 11:40 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

8h 50m1 stop San Salvador El Salvador Intl

5:05 am - 2:50 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

7h 45m1 stop San Salvador El Salvador Intl

$387Avianca

Fri, Oct 16 - Fri, Oct 23

3:25 pm - 11:40 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

9h 15m1 stop San Salvador El Salvador Intl

5:00 am - 1:50 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

7h 50m1 stop San Salvador El Salvador Intl

$389Avianca

Wed, Nov 11 - Wed, Feb 3

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 am - 7:10 amBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

24h 25m1 stop Panama City Tocumen Intl

5:55 pm - 2:29 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

18h 34m1 stop Panama City Tocumen Intl

$404Copa Airlines

Sun, Aug 23 - Wed, Sep 2

8:45 am - 7:10 amBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

24h 25m1 stop Panama City Tocumen Intl

10:03 am - 11:10 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

11h 07m1 stop Panama City Tocumen Intl

$404Copa Airlines

Sun, Aug 23 - Tue, Aug 25

3:35 pm - 8:20 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

30h 45m1 stop Montreal Pierre Elliott Trudeau Intl

7:15 am - 9:45 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

24h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$513Air Canada

Thu, Aug 20 - Sat, Aug 29

3:35 pm - 8:20 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

30h 45m1 stop Montreal Pierre Elliott Trudeau Intl

7:15 am - 8:52 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

23h 37m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

$513Air Canada

Sat, Aug 22 - Sat, Aug 29

7:15 pm - 10:00 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

28h 45m1 stop Toronto Pearson Intl

7:15 am - 9:45 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

24h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$575Multiple Airlines

Mon, Aug 24 - Sat, Aug 29

2:02 pm - 7:53 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

7h 51m1 stop Miami

6:00 am - 10:35 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

26h 35m2 stops Miami Charlotte Douglas

$686GOL

Mon, Aug 24 - Fri, Aug 28

5:00 am - 7:53 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

16h 53m1 stop Miami

6:00 am - 11:38 pmSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

15h 38m2 stops Miami Washington, D.C. Reagan-National

$706American Airlines

Sun, Aug 23 - Fri, Aug 28

8:00 am - 7:53 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

13h 53m2 stops Philadelphia Miami

2:56 pm - 8:46 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

15h 50m2 stops Miami Philadelphia

$706American Airlines

Thu, Aug 20 - Thu, Aug 27

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 - 7:24 pmSJO San José Juan Santamaria Intl-PWM Portland

24h 49m2 stops Guatemala City La Aurora Washington, D.C. Dulles Intl

$711Multiple Airlines

Sun, Aug 23 - Mon, Aug 31

5:51 am - 1:52 pmBOS Boston Logan Intl-SJO San José Juan Santamaria Intl

10h 01m1 stop Dallas/Fort Worth

1:03 pm - 7:43 amSJO San José Juan Santamaria Intl-BOS Boston Logan Intl

16h 40m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

$738GOL

Sat, Aug 22 - Wed, Aug 26

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American Airlines flights from Maine to Costa Rica

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

American Airlines

Oct 6

BOS6:00 amBoston Logan Intl

9h 18m

1 stop

LIR1:18 pmLiberia

Oct 20

LIR2:44 pmLiberia

8h 15m

1 stop

BOS12:59 amBoston Logan Intl

$350

American Airlines

Oct 6

BOS5:00 amBoston Logan Intl

10h 18m

1 stop

LIR1:18 pmLiberia

Oct 20

LIR2:44 pmLiberia

8h 15m

1 stop

BOS12:59 amBoston Logan Intl

$352

American Airlines

Oct 31

BOS7:23 pmBoston Logan Intl

19h 10m

2 stops

LIR12:33 pmLiberia

Nov 4

LIR1:33 pmLiberia

8h 26m

1 stop

BOS10:59 pmBoston Logan Intl

$355

Copa Airlines flights from Maine to Costa Rica

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

Copa Airlines

Sep 15

BOS8:47 amBoston Logan Intl

24h 23m

1 stop

SJO7:10 amSan José Juan Santamaria Intl

Sep 22

SJO10:03 amSan José Juan Santamaria Intl

10h 59m

1 stop

BOS11:02 pmBoston Logan Intl

$368

Copa Airlines

Sep 16

BOS3:55 pmBoston Logan Intl

17h 15m

1 stop

SJO7:10 amSan José Juan Santamaria Intl

Sep 23

SJO5:55 pmSan José Juan Santamaria Intl

27h 07m

1 stop

BOS11:02 pmBoston Logan Intl

$372

Copa Airlines

Sep 14

BOS3:55 pmBoston Logan Intl

17h 15m

1 stop

SJO7:10 amSan José Juan Santamaria Intl

Sep 21

SJO10:03 amSan José Juan Santamaria Intl

10h 59m

1 stop

BOS11:02 pmBoston Logan Intl

$377

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Mon 11/16

6:00 am-2:17 pm

1 stop9h 17m

Liberia

Fri 11/20

1:33 pm-11:56 pm

1 stop9h 23m

$350

BostonLiberia

BOS Boston Logan Intl - LIR Liberia

BOSLIR

Boston Logan Intl

Tue 10/6

6:00 am-1:18 pm

1 stop9h 18m

Liberia

Tue 10/20

2:44 pm-12:59 am

1 stop8h 15m

$350

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 9/15

8:47 am-7:10 am

1 stop24h 23m

San José Juan Santamaria Intl

Tue 9/22

10:03 am-11:02 pm

1 stop10h 59m

$368

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 9/16

3:55 pm-7:10 am

1 stop17h 15m

San José Juan Santamaria Intl

Wed 9/23

5:55 pm-11:02 pm

1 stop27h 07m

$372

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 12/8

1:45 pm-10:15 pm

1 stop9h 30m

San José Juan Santamaria Intl

Sat 12/19

3:55 pm-10:02 am

1 stop17h 07m

$386

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Tue 12/8

2:55 pm-10:15 pm

1 stop8h 20m

San José Juan Santamaria Intl

Mon 12/21

2:10 pm-12:58 am

1 stop9h 48m

$386

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Thu 10/29

9:12 am-7:39 pm

2 stops12h 27m

San José Juan Santamaria Intl

Wed 11/4

11:28 pm-10:51 am

1 stop10h 23m

$386

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Thu 10/29

9:00 am-6:53 pm

1 stop11h 53m

San José Juan Santamaria Intl

Wed 11/4

8:45 am-9:28 pm

1 stop11h 43m

$386

Quickest round-trip

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Fri 10/16

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Fri 10/23

5:05 am-2:50 pm

1 stop7h 45m

$387

BostonSan José

BOS Boston Logan Intl - SJO San José Juan Santamaria Intl

BOSSJO

Boston Logan Intl

Wed 11/11

3:25 pm-11:40 pm

1 stop9h 15m

San José Juan Santamaria Intl

Wed 2/3

5:00 am-1:50 pm

1 stop7h 50m

$389

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 $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 Maine to Costa Rica during January average around $362.

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

You could potentially save up to 14% 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

Best Price Found	$156
Fastest flight time	5h 49m
Direct flights	Every day
Airports in Costa Rica	40 airports

The best one-way flight to Costa Rica from Maine in the past 72 hours is $156. The best round-trip flight deal from Maine to Costa Rica found on momondo in the last 72 hours is $350.

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

Direct flights go from Maine to Costa Rica every day.

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 August 2026, there are 10 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
Delta	PriceFrom $145	Free Cancellation	Rating 7.8 8,500 reviews	Search Delta flights
JetBlue	PriceFrom $236	Free Cancellation	Rating 7.1 3,038 reviews	Search JetBlue flights
United Airlines	PriceFrom $251	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.1 11,963 reviews	Search American Airlines flights
Southwest	PriceFrom $577	Free Cancellation	Rating 8.0 4,217 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 $203

Flights to Liberiafrom $276

Flights to Limon

Flights to Tamarindo

Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Cheap flights from Maine to Costa Rica from $156

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 11/16. 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 Maine to Costa Rica

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

Copa Airlines flights from Maine to Costa Rica

Our best Copa Airlines 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

Best Price Found

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

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