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Cheap flights from Maine to Costa Rica from $122

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 4/1. 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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Find the cheapest flights from Maine to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:30 am - 8:12 pm
BOS
-
SJO
14h 42m
1 stop
American Airlines Logo
12:35 pm - 11:07 pm
SJO
-
BOS
8h 32m
1 stop
$276American Airlines
Wed, Feb 25 - Wed, May 6
American Airlines Logo
12:44 pm - 7:07 pm
BOS
-
SJO
8h 23m
1 stop
American Airlines Logo
12:35 pm - 10:01 am
SJO
-
BOS
19h 26m
1 stop
$277American Airlines
Wed, Apr 29 - Tue, May 5
Spirit Airlines Logo
4:51 pm - 11:40 am
BOS
-
SJO
19h 49m
1 stop
Spirit Airlines Logo
12:35 pm - 10:01 pm
SJO
-
BOS
8h 26m
1 stop
$278Spirit Airlines
Sat, Feb 28 - Wed, Mar 4
Spirit Airlines Logo
5:27 am - 12:22 pm
BOS
-
SJO
7h 55m
1 stop
Spirit Airlines Logo
1:31 pm - 11:44 pm
SJO
-
BOS
9h 13m
1 stop
$279Spirit Airlines
Thu, Feb 26 - Fri, Mar 6
Multiple Airlines Logo
6:20 am - 12:32 pm
BOS
-
SJO
8h 12m
1 stop
Multiple Airlines Logo
11:38 am - 9:33 pm
SJO
-
BOS
7h 55m
1 stop
$280Multiple Airlines
Sun, Mar 29 - Tue, Apr 7
Copa Airlines Logo
7:31 am - 6:56 pm
BOS
-
SJO
12h 25m
1 stop
Copa Airlines Logo
5:51 pm - 1:42 pm
SJO
-
BOS
18h 51m
1 stop
$281Copa Airlines
Wed, Feb 25 - Mon, Mar 2
Multiple Airlines Logo
5:45 am - 11:14 am
BOS
-
SJO
7h 29m
1 stop
Multiple Airlines Logo
1:38 pm - 11:56 pm
SJO
-
BOS
8h 18m
1 stop
$283Multiple Airlines
Wed, Mar 18 - Thu, Apr 2
Copa Airlines Logo
3:05 pm - 4:46 pm
BOS
-
SJO
26h 41m
3 stops
Copa Airlines Logo
4:09 am - 2:42 pm
SJO
-
BOS
8h 33m
1 stop
$286Copa Airlines
Thu, Mar 5 - Mon, Mar 9
JetBlue Logo
9:54 am - 2:50 pm
BOS
-
LIR
5h 56mnonstop
JetBlue Logo
2:55 pm - 10:15 pm
LIR
-
BOS
5h 20mnonstop
$315JetBlue
Mon, Mar 2 - Wed, Mar 11
JetBlue Logo
9:53 am - 1:50 pm
BOS
-
LIR
5h 57mnonstop
JetBlue Logo
2:55 pm - 10:15 pm
LIR
-
BOS
5h 20mnonstop
$331JetBlue
Mon, Mar 23 - Thu, Mar 26

American Airlines flights from Maine to Costa Rica

Our best American Airlines deals on Maine to Costa Rica flight tickets
American Airlines
Feb 25
BOS6:30 amBoston Logan Intl
14h 42m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
May 6
SJO12:35 pmSan José Juan Santamaria Intl
8h 32m
1 stop
BOS11:07 pmBoston Logan Intl
$276
American Airlines
Apr 29
BOS12:44 pmBoston Logan Intl
8h 23m
1 stop
SJO7:07 pmSan José Juan Santamaria Intl
May 5
SJO12:35 pmSan José Juan Santamaria Intl
19h 26m
1 stop
BOS10:01 amBoston Logan Intl
$277
American Airlines
Feb 8
BOS2:13 pmBoston Logan Intl
10h 30m
1 stop
SJO11:43 pmSan José Juan Santamaria Intl
Feb 10
SJO6:00 amSan José Juan Santamaria Intl
13h 11m
2 stops
BOS8:11 pmBoston Logan Intl
$278

Copa Airlines flights from Maine to Costa Rica

Our best Copa Airlines deals on Maine to Costa Rica flight tickets
Copa Airlines
Feb 25
BOS7:31 amBoston Logan Intl
12h 25m
1 stop
SJO6:56 pmSan José Juan Santamaria Intl
Mar 2
SJO5:51 pmSan José Juan Santamaria Intl
18h 51m
1 stop
BOS1:42 pmBoston Logan Intl
$281
Copa Airlines
Mar 5
BOS3:05 pmBoston Logan Intl
26h 41m
3 stops
SJO4:46 pmSan José Juan Santamaria Intl
Mar 9
SJO4:09 amSan José Juan Santamaria Intl
8h 33m
1 stop
BOS2:42 pmBoston Logan Intl
$286
Copa Airlines
Feb 26
BOS3:07 pmBoston Logan Intl
18h 59m
1 stop
SJO9:06 amSan José Juan Santamaria Intl
Mar 6
SJO5:50 amSan José Juan Santamaria Intl
15h 20m
1 stop
BOS10:10 pmBoston Logan Intl
$289

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 February 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

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 2/25

6:30 am-8:12 pm

1 stop14h 42m

San José Juan Santamaria Intl

Wed 5/6

12:35 pm-11:07 pm

1 stop8h 32m

$276

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 4/29

12:44 pm-7:07 pm

1 stop8h 23m

San José Juan Santamaria Intl

Tue 5/5

12:35 pm-10:01 am

1 stop19h 26m

$277

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 2/28

4:51 pm-11:40 am

1 stop19h 49m

San José Juan Santamaria Intl

Wed 3/4

12:35 pm-10:01 pm

1 stop8h 26m

$278

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 2/26

5:27 am-12:22 pm

1 stop7h 55m

San José Juan Santamaria Intl

Fri 3/6

1:31 pm-11:44 pm

1 stop9h 13m

$279

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sun 3/29

6:20 am-12:32 pm

1 stop8h 12m

San José Juan Santamaria Intl

Tue 4/7

11:38 am-9:33 pm

1 stop7h 55m

$280

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 2/25

7:31 am-6:56 pm

1 stop12h 25m

San José Juan Santamaria Intl

Mon 3/2

5:51 pm-1:42 pm

1 stop18h 51m

$281

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Wed 3/18

5:45 am-11:14 am

1 stop7h 29m

San José Juan Santamaria Intl

Thu 4/2

1:38 pm-11:56 pm

1 stop8h 18m

$283

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 3/5

3:05 pm-4:46 pm

3 stops26h 41m

San José Juan Santamaria Intl

Mon 3/9

4:09 am-2:42 pm

1 stop8h 33m

$286

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 3/2

9:54 am-2:50 pm

Nonstop5h 56m

Liberia

Wed 3/11

2:55 pm-10:15 pm

Nonstop5h 20m

$315

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 3/23

9:53 am-1:50 pm

Nonstop5h 57m

Liberia

Thu 3/26

2:55 pm-10:15 pm

Nonstop5h 20m

$331

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

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 $224, 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 6% 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).
Search flight deals

  • 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
JetBluePriceFrom $199Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,162 reviews
Search Delta flights
United AirlinesPriceFrom $468Free CancellationRating
7.4
9,245 reviews
Search United Airlines flights
SouthwestPriceFrom $577Free CancellationRating
8.0
4,280 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.

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