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Cheap flights from Maine to Costa Rica from $74

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 10/1. 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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Cheap round-trip flights

Spirit Airlines Logo
6:16 am - 11:30 amBOS-SJO
7h 14m1 stop
Spirit Airlines Logo
1:35 pm - 11:59 pmSJO-BOS
9h 24m1 stop
$224Spirit Airlines
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Tue, Oct 28 - Tue, Nov 4
Spirit Airlines Logo
6:16 am - 11:30 amBOS-SJO
7h 14m1 stop
Spirit Airlines Logo
12:35 pm - 11:59 pmSJO-BOS
9h 24m1 stop
$225Spirit Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 24
Multiple Airlines Logo
6:10 am - 11:14 amBOS-SJO
7h 04m1 stop
Multiple Airlines Logo
10:08 am - 10:53 pmSJO-BOS
10h 45m1 stop
$246Multiple Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 15
Multiple Airlines Logo
3:49 pm - 7:30 amBOS-SJO
17h 41m1 stop
Multiple Airlines Logo
12:35 pm - 11:59 pmSJO-BOS
9h 24m1 stop
$248Multiple Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 14
Copa Airlines Logo
3:49 pm - 4:52 pmBOS-SJO
27h 03m3 stops
Copa Airlines Logo
10:08 am - 11:02 pmSJO-BOS
10h 54m1 stop
$251Copa Airlines
Find Deal
Thu, Oct 23 - Mon, Oct 27
JetBlue Logo
6:00 am - 11:42 amBOS-SJO
7h 42m1 stop
JetBlue Logo
1:00 pm - 11:59 pmSJO-BOS
8h 59m1 stop
$252JetBlue
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Sat, Sep 20 - Tue, Sep 30
American Airlines Logo
6:00 am - 1:38 pmBOS-SJO
9h 38m2 stops
American Airlines Logo
2:40 pm - 8:26 amSJO-BOS
15h 46m2 stops
$256American Airlines
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Tue, Oct 21 - Thu, Oct 30
Copa Airlines Logo
2:42 pm - 4:50 pmBOS-SJO
27h 08m3 stops
Copa Airlines Logo
4:08 am - 1:24 pmSJO-BOS
8h 16m1 stop
$266Copa Airlines
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Thu, Nov 6 - Sun, Nov 9
American Airlines Logo
5:15 pm - 2:05 pmPWM-SJO
21h 50m2 stops
American Airlines Logo
2:49 pm - 11:39 amSJO-PWM
19h 50m2 stops
$316American Airlines
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Sat, Feb 21 - Fri, Feb 27
JetBlue Logo
5:11 am - 12:46 pmBOS-LIR
9h 35m1 stop
JetBlue Logo
1:55 pm - 12:03 amLIR-BOS
8h 08m1 stop
$345JetBlue
Find Deal
Mon, Oct 27 - Sat, Nov 1

Spirit Airlines flights from Maine to Costa Rica

Our best Spirit Airlines deals on Maine to Costa Rica flight tickets
Spirit Airlines
Oct 28
BOS6:16 amBoston Logan Intl
7h 14m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Nov 4
SJO1:35 pmSan José Juan Santamaria Intl
9h 24m
1 stop
BOS11:59 pmBoston Logan Intl
$224
Find similar
Spirit Airlines
Oct 14
BOS6:16 amBoston Logan Intl
7h 14m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Oct 24
SJO12:35 pmSan José Juan Santamaria Intl
9h 24m
1 stop
BOS11:59 pmBoston Logan Intl
$225
Find similar
Spirit Airlines
Oct 15
BOS6:16 amBoston Logan Intl
7h 14m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Oct 22
SJO12:35 pmSan José Juan Santamaria Intl
9h 24m
1 stop
BOS11:59 pmBoston Logan Intl
$228
Find similar

Copa Airlines flights from Maine to Costa Rica

Our best Copa Airlines deals on Maine to Costa Rica flight tickets
Copa Airlines
Oct 23
BOS3:49 pmBoston Logan Intl
27h 03m
3 stops
SJO4:52 pmSan José Juan Santamaria Intl
Oct 27
SJO10:08 amSan José Juan Santamaria Intl
10h 54m
1 stop
BOS11:02 pmBoston Logan Intl
$251
Find similar
Copa Airlines
Nov 6
BOS2:42 pmBoston Logan Intl
27h 08m
3 stops
SJO4:50 pmSan José Juan Santamaria Intl
Nov 9
SJO4:08 amSan José Juan Santamaria Intl
8h 16m
1 stop
BOS1:24 pmBoston Logan Intl
$266
Find similar
Copa Airlines
Sep 23
BOS3:49 pmBoston Logan Intl
18h 30m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Sep 30
SJO8:11 amSan José Juan Santamaria Intl
9h 11m
1 stop
BOS7:22 pmBoston Logan Intl
$288
Find similar

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 September 17, 2025.
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

Tue 10/28

6:16 am-11:30 am

1 stop7h 14m

San José Juan Santamaria Intl

Tue 11/4

1:35 pm-11:59 pm

1 stop9h 24m

$224

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 10/14

6:16 am-11:30 am

1 stop7h 14m

San José Juan Santamaria Intl

Fri 10/24

12:35 pm-11:59 pm

1 stop9h 24m

$225

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 10/4

6:10 am-11:14 am

1 stop7h 04m

San José Juan Santamaria Intl

Wed 10/15

10:08 am-10:53 pm

1 stop10h 45m

$246

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 10/2

3:49 pm-7:30 am

1 stop17h 41m

San José Juan Santamaria Intl

Tue 10/14

12:35 pm-11:59 pm

1 stop9h 24m

$248

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 10/23

3:49 pm-4:52 pm

3 stops27h 03m

San José Juan Santamaria Intl

Mon 10/27

10:08 am-11:02 pm

1 stop10h 54m

$251

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 9/20

6:00 am-11:42 am

1 stop7h 42m

San José Juan Santamaria Intl

Tue 9/30

1:00 pm-11:59 pm

1 stop8h 59m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 10/21

6:00 am-1:38 pm

2 stops9h 38m

San José Juan Santamaria Intl

Thu 10/30

2:40 pm-8:26 am

2 stops15h 46m

$256

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 11/6

2:42 pm-4:50 pm

3 stops27h 08m

San José Juan Santamaria Intl

Sun 11/9

4:08 am-1:24 pm

1 stop8h 16m

$266

PortlandSan José

PWM - SJO

PWMSJO

Portland

Sat 2/21

5:15 pm-2:05 pm

2 stops21h 50m

San José Juan Santamaria Intl

Fri 2/27

2:49 pm-11:39 am

2 stops19h 50m

$316

BostonLiberia

BOS - LIR

BOSLIR

Boston Logan Intl

Mon 10/27

5:11 am-12:46 pm

1 stop9h 35m

Liberia

Sat 11/1

1:55 pm-12:03 am

1 stop8h 08m

$345

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 September. Flight prices, which tend to average around $431, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then August is your next best option. Flight prices from Maine to Costa Rica during August average around $481.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Thursday is the cheapest day to fly to Costa Rica from Maine. The lowest ticket price found for a Thursday departure recently was $595. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $940. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from Maine to Costa Rica when you can find flight prices for as low as $397. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $861. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 2% 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 47m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Costa Rica

1 airport
The fastest flight from Maine to Costa Rica takes 5h 47m
Direct flights go from Maine to Costa Rica on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Costa Rica: Liberia (LIR)
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  • 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
American AirlinesPriceFrom $406Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $462Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $501Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $551Free CancellationRating
8.0
4,242 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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