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 49% 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?

Air Canada, JetBlue, and United Airlines 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 July 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.

$170 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.

3:25 pm - 11:40 pm

BOS

SJO

9h 15m

1 stop

5:00 am - 1:50 pm

SJO

BOS

7h 50m

1 stop

$375Avianca

Mon, Nov 2 - Sun, Jan 31

8:00 am - 10:15 pm

BOS

SJO

15h 15m

1 stop

2:30 pm - 12:58 am

SJO

BOS

9h 28m

1 stop

$376Delta

Tue, Nov 10 - Mon, Nov 16

3:57 pm - 7:12 am

BOS

SJO

17h 15m

1 stop

10:03 am - 11:10 pm

SJO

BOS

11h 07m

1 stop

$379Copa Airlines

Tue, Jul 28 - Tue, Aug 4

9:33 am - 7:37 pm

BOS

SJO

12h 04m

2 stops

7:55 am - 11:39 pm

SJO

BOS

13h 44m

1 stop

$381United Airlines

Tue, Sep 22 - Fri, Sep 25

3:55 pm - 10:58 am

BOS

SJO

21h 03m

1 stop

6:17 pm - 11:02 pm

SJO

BOS

26h 45m

1 stop

$383Copa Airlines

Thu, Sep 24 - Sun, Sep 27

5:30 am - 2:20 pm

BOS

LIR

9h 50m

1 stop

3:20 pm - 9:58 am

LIR

BOS

17h 38m

1 stop

$398Air Canada

Tue, Nov 10 - Sat, Nov 14

11:10 am - 2:10 pm

BOS

LIR

29h 00m

1 stop

3:20 pm - 2:53 pm

LIR

BOS

22h 33m

1 stop

$403Air Canada

Sat, Oct 31 - Thu, Nov 5

7:24 pm - 12:00 pm

PWM

SJO

18h 36m

2 stops

6:00 am - 11:41 pm

SJO

PWM

15h 41m

2 stops

$443American Airlines

Fri, Oct 9 - Sat, Oct 17

7:43 pm - 11:44 am

PWM

LIR

17h 01m

1 stop

2:20 pm - 2:20 pm

LIR

PWM

23h 00m

2 stops

$507United Airlines

Mon, Nov 9 - Thu, Nov 12

6:31 pm - 1:38 pm

PWM

LIR

21h 07m

2 stops

2:15 pm - 11:38 am

LIR

PWM

19h 23m

2 stops

$637American Airlines

Sat, Aug 22 - Sat, Aug 29

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Avianca flights from Maine to Costa Rica

Our best Avianca deals on Maine to Costa Rica flight tickets

Avianca

Sep 5

BOS4:50 pmBoston Logan Intl

8h 50m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Sep 13

SJO5:05 amSan José Juan Santamaria Intl

7h 45m

1 stop

BOS2:50 pmBoston Logan Intl

$375

Avianca

Aug 25

BOS4:50 pmBoston Logan Intl

8h 50m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Sep 2

SJO7:45 pmSan José Juan Santamaria Intl

17h 05m

1 stop

BOS2:50 pmBoston Logan Intl

$385

Avianca

Aug 24

BOS4:50 pmBoston Logan Intl

8h 50m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Sep 2

SJO7:45 pmSan José Juan Santamaria Intl

17h 05m

1 stop

BOS2:50 pmBoston Logan Intl

$386

United Airlines flights from Maine to Costa Rica

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

United Airlines

Sep 11

BOS6:00 amBoston Logan Intl

7h 38m

1 stop

SJO11:38 amSan José Juan Santamaria Intl

Dec 11

SJO8:45 amSan José Juan Santamaria Intl

13h 35m

1 stop

BOS11:20 pmBoston Logan Intl

$376

United Airlines

Sep 22

BOS9:33 amBoston Logan Intl

12h 04m

2 stops

SJO7:37 pmSan José Juan Santamaria Intl

Sep 25

SJO7:55 amSan José Juan Santamaria Intl

13h 44m

1 stop

BOS11:39 pmBoston Logan Intl

$381

United Airlines

Sep 8

BOS6:00 amBoston Logan Intl

7h 38m

1 stop

SJO11:38 amSan José Juan Santamaria Intl

Sep 21

SJO7:55 amSan José Juan Santamaria Intl

13h 43m

1 stop

BOS11:38 pmBoston Logan Intl

$400

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 11/2

3:25 pm-11:40 pm

1 stop9h 15m

San José Juan Santamaria Intl

Sun 1/31

5:00 am-1:50 pm

1 stop7h 50m

$375

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/10

8:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Mon 11/16

2:30 pm-12:58 am

1 stop9h 28m

$376

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 7/28

3:57 pm-7:12 am

1 stop17h 15m

San José Juan Santamaria Intl

Tue 8/4

10:03 am-11:10 pm

1 stop11h 07m

$379

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/22

9:33 am-7:37 pm

2 stops12h 04m

San José Juan Santamaria Intl

Fri 9/25

7:55 am-11:39 pm

1 stop13h 44m

$381

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 9/24

3:55 pm-10:58 am

1 stop21h 03m

San José Juan Santamaria Intl

Sun 9/27

6:17 pm-11:02 pm

1 stop26h 45m

$383

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Tue 11/10

5:30 am-2:20 pm

1 stop9h 50m

Liberia

Sat 11/14

3:20 pm-9:58 am

1 stop17h 38m

$398

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Sat 10/31

11:10 am-2:10 pm

1 stop29h 00m

Liberia

Thu 11/5

3:20 pm-2:53 pm

1 stop22h 33m

$403

PortlandSan José

PWM - SJO

PWMSJO

Portland

Fri 10/9

7:24 pm-12:00 pm

2 stops18h 36m

San José Juan Santamaria Intl

Sat 10/17

6:00 am-11:41 pm

2 stops15h 41m

$443

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Mon 11/9

7:43 pm-11:44 am

1 stop17h 01m

Liberia

Thu 11/12

2:20 pm-2:20 pm

2 stops23h 00m

$507

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Sat 8/22

6:31 pm-1:38 pm

2 stops21h 07m

Liberia

Sat 8/29

2:15 pm-11:38 am

2 stops19h 23m

$637

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 3% 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	Every day
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 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 July 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
JetBlue	PriceFrom $236	Free Cancellation	Rating 7.1 3,014 reviews	Search JetBlue flights
United Airlines	PriceFrom $251	Free Cancellation	Rating 7.4 9,951 reviews	Search United Airlines flights
American Airlines	PriceFrom $274	Free Cancellation	Rating 7.1 11,785 reviews	Search American Airlines flights
Delta	PriceFrom $299	Free Cancellation	Rating 7.8 8,450 reviews	Search Delta flights
Southwest	PriceFrom $577	Free Cancellation	Rating 7.9 4,249 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 in Costa Rica

Flights to San Joséfrom $256

Flights to Liberiafrom $288

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Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Cheap flights from Maine to Costa Rica from $170

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 8/21. 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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Avianca flights from Maine to Costa Rica

Our best Avianca deals on Maine to Costa Rica flight tickets

United Airlines flights from Maine to Costa Rica

Our best United 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

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.

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According to popular flight searches on momondo this year