Cheap flights from Maine to Costa Rica from $145
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 10/27. 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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Fly from
Fly to
Route
Depart
Return
PortlandLiberia
PWM Portland - LIR Liberia
PWMLIR
Portland
Sat 2/6
3:47 pm-12:39 pm
2 stops21h 52m
Liberia
Sat 2/27
3:15 pm-11:44 am
2 stops19h 29m
PortlandSan José
PWM Portland - SJO San José Juan Santamaria Intl
PWMSJO
Portland
Fri 2/26
6:03 pm-11:14 am
2 stops18h 11m
San José Juan Santamaria Intl
Tue 3/2
1:47 pm-10:32 am
2 stops19h 45m
PortlandLiberia
PWM Portland - LIR Liberia
PWMLIR
Portland
Sat 2/6
7:00 am-12:24 pm
1 stop30h 24m
Liberia
Sat 2/27
1:53 pm-11:44 am
2 stops20h 51m
PortlandSan José
PWM Portland - SJO San José Juan Santamaria Intl
PWMSJO
Portland
Wed 2/3
5:39 pm-1:51 pm
2 stops21h 12m
San José Juan Santamaria Intl
Sun 2/7
1:20 pm-10:25 am
2 stops20h 05m
PortlandLiberia
PWM Portland - LIR Liberia
PWMLIR
Portland
Wed 1/20
3:14 pm-1:10 pm
2 stops22h 56m
Liberia
Wed 1/27
2:06 pm-9:03 pm
2 stops29h 57m
PortlandSan José
PWM Portland - SJO San José Juan Santamaria Intl
PWMSJO
Portland
Thu 10/29
5:50 am-6:53 pm
1 stop15h 03m
San José Juan Santamaria Intl
Thu 11/5
1:55 pm-11:21 pm
1 stop8h 26m
PortlandSan José
PWM Portland - SJO San José Juan Santamaria Intl
PWMSJO
Portland
Mon 1/18
6:00 am-10:05 pm
1 stop17h 05m
San José Juan Santamaria Intl
Sat 1/23
3:55 pm-11:53 am
2 stops18h 58m
PortlandSan José
PWM Portland - SJO San José Juan Santamaria Intl
PWMSJO
Portland
Sun 1/24
7:00 am-12:30 pm
1 stop30h 30m
San José Juan Santamaria Intl
Fri 1/29
1:20 pm-10:25 am
2 stops20h 05m
BangorSan José
BGR Bangor - SJO San José Juan Santamaria Intl
BGRSJO
Bangor
Sun 2/21
5:35 pm-11:14 am
2 stops18h 39m
San José Juan Santamaria Intl
Sat 2/27
12:30 am-11:16 pm
2 stops21h 46m
PortlandLiberia
PWM Portland - LIR Liberia
PWMLIR
Portland
Sat 2/6
6:30 am-4:25 pm
1 stop10h 55m
Liberia
Sat 2/27
12:35 pm-10:23 pm
1 stop8h 48m
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 $178, 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 2% on your flight if you consider stops on a Maine to Costa Rica flight.
What is the cheapest airline that flies from Maine to Costa Rica?
American Airlines, United Airlines, and WestJet are the most popular carriers operating from Maine to Costa Rica
What airlines fly to Costa Rica?
American Airlines, Delta and United Airlines 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 36% 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.
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
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 October 2026, there are 5 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 | ||
|---|---|---|---|---|---|
| PriceFrom $145 | Free Cancellation | Rating 7.8 8,633 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.1 3,045 reviews | |||
| PriceFrom $251 | Free Cancellation | Rating 7.4 10,308 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 7.0 12,134 reviews | |||
| PriceFrom $577 | Free Cancellation | Rating 7.9 4,219 reviews |
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.