Cheap flights from Maine to Costa Rica from $126

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 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Multiple Airlines Logo
5:48 pm - 10:45 am
SJO
-
BOS
14h 57m
1 stop
$296Multiple Airlines
Mon, May 25 - Tue, Jun 2
Multiple Airlines Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Multiple Airlines Logo
5:48 pm - 10:45 am
SJO
-
BOS
14h 57m
1 stop
$298Multiple Airlines
Wed, May 20 - Tue, May 26
Spirit Airlines Logo
8:16 pm - 11:33 am
BOS
-
SJO
17h 17m
1 stop
Spirit Airlines Logo
1:00 pm - 11:54 pm
SJO
-
BOS
8h 54m
1 stop
$304Spirit Airlines
Sat, Apr 25 - Thu, May 7
Multiple Airlines Logo
8:16 pm - 11:33 am
BOS
-
SJO
17h 17m
1 stop
Multiple Airlines Logo
5:48 pm - 10:45 am
SJO
-
BOS
14h 57m
1 stop
$305Multiple Airlines
Wed, Apr 22 - Tue, May 5
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
5:05 am - 2:50 pm
SJO
-
BOS
7h 45m
1 stop
$309Avianca
Fri, May 1 - Mon, May 4
Multiple Airlines Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Multiple Airlines Logo
12:40 pm - 11:56 pm
SJO
-
BOS
9h 16m
1 stop
$313Multiple Airlines
Mon, May 4 - Fri, May 8
JetBlue Logo
6:00 am - 11:55 am
BOS
-
SJO
7h 55m
1 stop
JetBlue Logo
1:10 pm - 11:59 pm
SJO
-
BOS
8h 49m
1 stop
$315JetBlue
Tue, Sep 29 - Sat, Oct 10
Copa Airlines Logo
4:00 pm - 8:21 am
BOS
-
SJO
18h 21m
1 stop
Copa Airlines Logo
4:10 am - 11:08 pm
SJO
-
BOS
16h 58m
1 stop
$318Copa Airlines
Tue, May 26 - Mon, Jun 1
Avianca Logo
4:50 pm - 11:40 pm
BOS
-
SJO
8h 50m
1 stop
Avianca Logo
7:45 pm - 2:50 pm
SJO
-
BOS
17h 05m
1 stop
$319Avianca
Fri, May 1 - Sat, May 9
JetBlue Logo
6:00 am - 12:50 pm
PWM
-
SJO
8h 50m
1 stop
JetBlue Logo
1:41 pm - 12:25 am
SJO
-
PWM
8h 44m
1 stop
$378JetBlue
Tue, Jun 2 - Sat, Jun 13

GOL flights from Maine to Costa Rica

Our best GOL deals on Maine to Costa Rica flight tickets
GOL
Apr 25
BOS6:53 pmBoston Logan Intl
18h 31m
2 stops
LIR11:24 amLiberia
May 9
LIR12:30 pmLiberia
19h 31m
2 stops
BOS10:01 amBoston Logan Intl
$423
GOL
Jun 2
PWM5:36 pmPortland
20h 14m
2 stops
SJO11:50 amSan José Juan Santamaria Intl
Jun 13
SJO3:08 pmSan José Juan Santamaria Intl
20h 30m
2 stops
PWM1:38 pmPortland
$469
GOL
Apr 17
BOS7:18 pmBoston Logan Intl
18h 06m
2 stops
LIR11:24 amLiberia
Apr 28
LIR2:40 pmLiberia
17h 21m
2 stops
BOS10:01 amBoston Logan Intl
$518

United Airlines flights from Maine to Costa Rica

Our best United Airlines deals on Maine to Costa Rica flight tickets
United Airlines
Apr 10
BOS9:41 amBoston Logan Intl
11h 56m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Apr 15
SJO7:55 amSan José Juan Santamaria Intl
11h 59m
2 stops
BOS9:54 pmBoston Logan Intl
$376
United Airlines
Apr 9
BOS6:00 amBoston Logan Intl
7h 38m
1 stop
SJO11:38 amSan José Juan Santamaria Intl
Apr 15
SJO7:55 amSan José Juan Santamaria Intl
11h 59m
2 stops
BOS9:54 pmBoston Logan Intl
$406
United Airlines
Apr 9
BOS9:41 amBoston Logan Intl
11h 56m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
Apr 15
SJO7:55 amSan José Juan Santamaria Intl
11h 51m
1 stop
BOS9:46 pmBoston Logan Intl
$407

momondo Fare Finder

 
Customize your flight search to find flights from Maine to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 7, 2026.
Use the filters below to find and compare flights from Maine to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 5/25

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Tue 6/2

5:48 pm-10:45 am

1 stop14h 57m

$296

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 5/20

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Tue 5/26

5:48 pm-10:45 am

1 stop14h 57m

$298

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 4/25

8:16 pm-11:33 am

1 stop17h 17m

San José Juan Santamaria Intl

Thu 5/7

1:00 pm-11:54 pm

1 stop8h 54m

$304

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 4/22

8:16 pm-11:33 am

1 stop17h 17m

San José Juan Santamaria Intl

Tue 5/5

5:48 pm-10:45 am

1 stop14h 57m

$305
Quickest round-trip

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 5/1

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Mon 5/4

5:05 am-2:50 pm

1 stop7h 45m

$309

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 5/4

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Fri 5/8

12:40 pm-11:56 pm

1 stop9h 16m

$313

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 9/29

6:00 am-11:55 am

1 stop7h 55m

San José Juan Santamaria Intl

Sat 10/10

1:10 pm-11:59 pm

1 stop8h 49m

$315

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 5/26

4:00 pm-8:21 am

1 stop18h 21m

San José Juan Santamaria Intl

Mon 6/1

4:10 am-11:08 pm

1 stop16h 58m

$318

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 5/1

4:50 pm-11:40 pm

1 stop8h 50m

San José Juan Santamaria Intl

Sat 5/9

7:45 pm-2:50 pm

1 stop17h 05m

$319

PortlandSan José

PWM - SJO

PWMSJO

Portland

Tue 6/2

6:00 am-12:50 pm

1 stop8h 50m

San José Juan Santamaria Intl

Sat 6/13

1:41 pm-12:25 am

1 stop8h 44m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

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

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

You could potentially save up to 34% 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 40m

Direct flights

Every day

Airports in Costa Rica

40 airports
The fastest flight from Maine to Costa Rica takes 5h 40m
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).

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?

  • 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
DeltaPriceFrom $145Free CancellationRating
7.9
8,383 reviews
Search Delta flights
JetBluePriceFrom $236Free CancellationRating
7.2
2,917 reviews
Search JetBlue flights
American AirlinesPriceFrom $274Free CancellationRating
7.1
11,546 reviews
Search American Airlines flights
United AirlinesPriceFrom $431Free CancellationRating
7.4
9,548 reviews
Search United Airlines flights
SouthwestPriceFrom $577Free CancellationRating
8.0
4,338 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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1 adult
Thu 5/7
Thu 5/14

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