Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Maine to Costa Rica from $110

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 11/13. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Maine to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:45 am - 12:25 pmBOS-SJO
7h 40m1 stop
Spirit Airlines Logo
1:31 pm - 11:56 pmSJO-BOS
9h 25m1 stop
$242Spirit Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
JetBlue Logo
7:00 am - 4:24 pmBOS-SJO
10h 24m1 stop
JetBlue Logo
1:10 pm - 11:30 pmSJO-BOS
9h 20m1 stop
$244JetBlue
Find Deal
Mon, Feb 9 - Wed, Feb 25
Frontier Logo
11:19 am - 1:52 pmBOS-SJO
27h 33m1 stop
Frontier Logo
3:07 pm - 10:22 amSJO-BOS
18h 15m1 stop
$246Frontier
Find Deal
Fri, Dec 5 - Sat, Dec 13
American Airlines Logo
6:40 pm - 1:50 pmPWM-LIR
20h 10m2 stops
American Airlines Logo
3:30 pm - 12:11 pmLIR-PWM
19h 41m2 stops
$249American Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Spirit Airlines Logo
8:11 pm - 11:42 amBOS-SJO
16h 31m1 stop
Spirit Airlines Logo
1:31 pm - 11:56 pmSJO-BOS
9h 25m1 stop
$251Spirit Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
United Airlines Logo
7:05 am - 6:16 pmBOS-SJO
12h 11m1 stop
United Airlines Logo
6:30 am - 6:01 pmSJO-BOS
10h 31m1 stop
$252United Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
11:21 am - 9:02 pmBOS-SJO
10h 41m2 stops
American Airlines Logo
3:56 pm - 10:00 amSJO-BOS
17h 04m1 stop
$256American Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 25
United Airlines Logo
4:10 pm - 12:55 pmPWM-LIR
21h 45m1 stop
United Airlines Logo
8:35 am - 11:30 pmLIR-PWM
13h 55m2 stops
$256United Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
6:16 am - 12:25 pmBOS-SJO
7h 09m1 stop
Multiple Airlines Logo
1:20 pm - 7:29 amSJO-BOS
17h 09m2 stops
$258Multiple Airlines
Find Deal
Tue, Nov 18 - Fri, Nov 21
Multiple Airlines Logo
11:28 am - 12:25 pmBOS-SJO
25h 57m2 stops
Multiple Airlines Logo
1:31 pm - 11:56 pmSJO-BOS
9h 25m1 stop
$267Multiple Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9

Spirit Airlines flights from Maine to Costa Rica

Our best Spirit Airlines deals on Maine to Costa Rica flight tickets
Spirit Airlines
Dec 6
BOS5:45 amBoston Logan Intl
7h 40m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Dec 10
SJO1:31 pmSan José Juan Santamaria Intl
9h 25m
1 stop
BOS11:56 pmBoston Logan Intl
$242
Find similar
Spirit Airlines
Nov 15
BOS6:16 amBoston Logan Intl
7h 09m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Nov 19
SJO1:30 pmSan José Juan Santamaria Intl
9h 29m
1 stop
BOS11:59 pmBoston Logan Intl
$246
Find similar
Spirit Airlines
Nov 12
BOS6:16 amBoston Logan Intl
7h 09m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Nov 19
SJO1:30 pmSan José Juan Santamaria Intl
9h 29m
1 stop
BOS11:59 pmBoston Logan Intl
$247
Find similar

United Airlines flights from Maine to Costa Rica

Our best United Airlines deals on Maine to Costa Rica flight tickets
United Airlines
Feb 3
BOS7:05 amBoston Logan Intl
12h 11m
1 stop
SJO6:16 pmSan José Juan Santamaria Intl
Feb 10
SJO6:30 amSan José Juan Santamaria Intl
10h 31m
1 stop
BOS6:01 pmBoston Logan Intl
$252
Find similar
United Airlines
Nov 13
BOS11:59 amBoston Logan Intl
8h 54m
1 stop
SJO7:53 pmSan José Juan Santamaria Intl
Nov 15
SJO8:45 amSan José Juan Santamaria Intl
13h 03m
2 stops
BOS10:48 pmBoston Logan Intl
$256
Find similar
United Airlines
Nov 13
BOS9:40 amBoston Logan Intl
11h 59m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Nov 17
SJO11:28 pmSan José Juan Santamaria Intl
10h 15m
1 stop
BOS10:43 amBoston Logan Intl
$347
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 November 6, 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

Sat 12/6

5:45 am-12:25 pm

1 stop7h 40m

San José Juan Santamaria Intl

Wed 12/10

1:31 pm-11:56 pm

1 stop9h 25m

$242

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/9

7:00 am-4:24 pm

1 stop10h 24m

San José Juan Santamaria Intl

Wed 2/25

1:10 pm-11:30 pm

1 stop9h 20m

$244

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Fri 12/5

11:19 am-1:52 pm

1 stop27h 33m

San José Juan Santamaria Intl

Sat 12/13

3:07 pm-10:22 am

1 stop18h 15m

$246

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Wed 12/10

6:40 pm-1:50 pm

2 stops20h 10m

Liberia

Sat 12/13

3:30 pm-12:11 pm

2 stops19h 41m

$249

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Sat 12/13

8:11 pm-11:42 am

1 stop16h 31m

San José Juan Santamaria Intl

Tue 12/16

1:31 pm-11:56 pm

1 stop9h 25m

$251

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 2/3

7:05 am-6:16 pm

1 stop12h 11m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-6:01 pm

1 stop10h 31m

$252

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Mon 2/9

11:21 am-9:02 pm

2 stops10h 41m

San José Juan Santamaria Intl

Wed 2/25

3:56 pm-10:00 am

1 stop17h 04m

$256

PortlandLiberia

PWM - LIR

PWMLIR

Portland

Wed 2/4

4:10 pm-12:55 pm

1 stop21h 45m

Liberia

Wed 2/11

8:35 am-11:30 pm

2 stops13h 55m

$256

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Tue 11/18

6:16 am-12:25 pm

1 stop7h 09m

San José Juan Santamaria Intl

Fri 11/21

1:20 pm-7:29 am

2 stops17h 09m

$258

BostonSan José

BOS - SJO

BOSSJO

Boston Logan Intl

Thu 12/4

11:28 am-12:25 pm

2 stops25h 57m

San José Juan Santamaria Intl

Tue 12/9

1:31 pm-11:56 pm

1 stop9h 25m

$267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 33% 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

Every day

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 every day.
There is 1 airport near Costa Rica: 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
American AirlinesPriceFrom $351Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $359Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $473Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $551Free CancellationRating
8.0
4,241 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/6
Sat 12/13
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to San Joséfrom $144
Flights to Liberiafrom $232
Flights to Limon
Flights to Tamarindo
Flights to Golfito
Flights to Buenos Aires, Puntarenas
Flights to Palmar Sur