Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Costa Rica from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, 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

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 Portland, Maine to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:38 pm - 2:13 pm
PWM
-
LIR
20h 35m
2 stops
American Airlines Logo
2:32 pm - 5:07 pm
LIR
-
PWM
25h 35m
1 stop
$313American Airlines
mié., feb. 18 - mié., feb. 25
American Airlines Logo
5:40 pm - 1:32 pm
PWM
-
LIR
20h 52m
1 stop
American Airlines Logo
2:32 pm - 5:07 pm
LIR
-
PWM
25h 35m
1 stop
$318American Airlines
mié., feb. 18 - mié., feb. 25
GOL Logo
5:40 pm - 8:12 pm
PWM
-
SJO
27h 32m
1 stop
GOL Logo
7:00 am - 5:07 pm
SJO
-
PWM
9h 07m
1 stop
$344GOL
lun., feb. 23 - mié., mar. 4
GOL Logo
5:40 pm - 8:12 pm
PWM
-
SJO
27h 32m
1 stop
GOL Logo
7:00 am - 11:50 pm
SJO
-
PWM
15h 50m
2 stops
$356GOL
lun., feb. 23 - mié., mar. 4
American Airlines Logo
7:00 am - 8:12 pm
PWM
-
SJO
14h 12m
2 stops
American Airlines Logo
7:00 am - 5:07 pm
SJO
-
PWM
9h 07m
1 stop
$358American Airlines
mar., feb. 24 - mié., mar. 4
American Airlines Logo
7:00 am - 8:12 pm
PWM
-
SJO
14h 12m
2 stops
American Airlines Logo
7:00 am - 11:50 pm
SJO
-
PWM
15h 50m
2 stops
$363American Airlines
mar., feb. 24 - mié., mar. 4
American Airlines Logo
5:52 pm - 11:59 am
PWM
-
SJO
20h 07m
2 stops
American Airlines Logo
6:12 am - 10:40 pm
SJO
-
PWM
14h 28m
2 stops
$366American Airlines
mié., may. 27 - mié., jun. 3
United Airlines Logo
3:05 pm - 12:55 pm
PWM
-
LIR
22h 50m
2 stops
United Airlines Logo
8:35 am - 11:20 pm
LIR
-
PWM
13h 45m
2 stops
$403United Airlines
mié., feb. 18 - mié., feb. 25
Delta Logo
5:31 am - 10:02 pm
PWM
-
SJO
17h 31m
1 stop
Delta Logo
7:00 am - 11:20 pm
SJO
-
PWM
15h 20m
2 stops
$409Delta
mar., feb. 24 - mié., mar. 4
JetBlue Logo
6:00 am - 11:45 am
PWM
-
LIR
7h 45m
1 stop
JetBlue Logo
11:45 am - 11:47 pm
LIR
-
PWM
10h 02m
1 stop
$595JetBlue
mié., abr. 8 - lun., abr. 13

GOL flights from Portland, Maine to Costa Rica

Our best GOL deals on Portland, Maine to Costa Rica flight tickets
GOL
Feb 23
PWM5:40 pmPortland
27h 32m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
Mar 4
SJO7:00 amSan José Juan Santamaria Intl
9h 07m
1 stop
PWM5:07 pmPortland
$344
GOL
Feb 23
PWM5:40 pmPortland
27h 32m
1 stop
SJO8:12 pmSan José Juan Santamaria Intl
Mar 4
SJO7:00 amSan José Juan Santamaria Intl
15h 50m
2 stops
PWM11:50 pmPortland
$356
GOL
Feb 28
PWM5:57 pmPortland
28h 10m
1 stop
SJO9:07 pmSan José Juan Santamaria Intl
Mar 9
SJO12:26 pmSan José Juan Santamaria Intl
32h 04m
2 stops
PWM10:30 pmPortland
$477

American Airlines flights from Portland, Maine to Costa Rica

Our best American Airlines deals on Portland, Maine to Costa Rica flight tickets
American Airlines
Feb 18
PWM6:38 pmPortland
20h 35m
2 stops
LIR2:13 pmLiberia
Feb 25
LIR2:32 pmLiberia
25h 35m
1 stop
PWM5:07 pmPortland
$313
American Airlines
Feb 18
PWM5:40 pmPortland
20h 52m
1 stop
LIR1:32 pmLiberia
Feb 25
LIR2:32 pmLiberia
25h 35m
1 stop
PWM5:07 pmPortland
$318
American Airlines
Feb 24
PWM7:00 amPortland
14h 12m
2 stops
SJO8:12 pmSan José Juan Santamaria Intl
Mar 4
SJO7:00 amSan José Juan Santamaria Intl
9h 07m
1 stop
PWM5:07 pmPortland
$358

momondo Fare Finder

 
Customize your flight search to find flights from Portland, 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 enero 29, 2026.
Use the filters below to find and compare flights from Portland, Maine to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 2/18

6:38 pm-2:13 pm

2 stops20h 35m

Liberia

mié. 2/25

2:32 pm-5:07 pm

1 stop25h 35m

$313

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 2/18

5:40 pm-1:32 pm

1 stop20h 52m

Liberia

mié. 2/25

2:32 pm-5:07 pm

1 stop25h 35m

$318

PortlandSan José

PWM - SJO

PWMSJO

Portland

lun. 2/23

5:40 pm-8:12 pm

1 stop27h 32m

San José Juan Santamaria Intl

mié. 3/4

7:00 am-5:07 pm

1 stop9h 07m

$344

PortlandSan José

PWM - SJO

PWMSJO

Portland

lun. 2/23

5:40 pm-8:12 pm

1 stop27h 32m

San José Juan Santamaria Intl

mié. 3/4

7:00 am-11:50 pm

2 stops15h 50m

$356

PortlandSan José

PWM - SJO

PWMSJO

Portland

mar. 2/24

7:00 am-8:12 pm

2 stops14h 12m

San José Juan Santamaria Intl

mié. 3/4

7:00 am-5:07 pm

1 stop9h 07m

$358

PortlandSan José

PWM - SJO

PWMSJO

Portland

mar. 2/24

7:00 am-8:12 pm

2 stops14h 12m

San José Juan Santamaria Intl

mié. 3/4

7:00 am-11:50 pm

2 stops15h 50m

$363

PortlandSan José

PWM - SJO

PWMSJO

Portland

mié. 5/27

5:52 pm-11:59 am

2 stops20h 07m

San José Juan Santamaria Intl

mié. 6/3

6:12 am-10:40 pm

2 stops14h 28m

$366

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 2/18

3:05 pm-12:55 pm

2 stops22h 50m

Liberia

mié. 2/25

8:35 am-11:20 pm

2 stops13h 45m

$403

PortlandSan José

PWM - SJO

PWMSJO

Portland

mar. 2/24

5:31 am-10:02 pm

1 stop17h 31m

San José Juan Santamaria Intl

mié. 3/4

7:00 am-11:20 pm

2 stops15h 20m

$409

PortlandLiberia

PWM - LIR

PWMLIR

Portland

mié. 4/8

6:00 am-11:45 am

1 stop7h 45m

Liberia

lun. 4/13

11:45 am-11:47 pm

1 stop10h 02m

$595

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 Portland, 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 Portland, 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 Portland, Maine to Costa Rica during January average around $362.

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

You could potentially save up to 15% on your flight if you consider stops on a Portland, Maine to Costa Rica flight.

Cheap Portland, Maine to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Costa Rica

Fastest flight time

7h 45m

Direct flights

None
The fastest flight from Portland, Maine to Costa Rica takes 7h 45m
There are no direct flights from Portland, Maine to Costa Rica. There are no popular flight routes from Portland, Maine to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Costa Rica?

    Prices for flights from Portland Airport to Costa Rica are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Costa Rica?

  • How old do you have to be to fly from Portland Airport to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport 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 Portland, Maine to Costa Rica

Compare and see reviews for airlines that fly from Portland, Maine to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $199Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $320Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $468Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
SouthwestPriceFrom $551Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Costa Rica?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Portland.

Can I find flights from Portland to Costa Rica with flexible booking policies on momondo?

momondo does allow users to show only those flights to Costa Rica from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Costa Rica?

Once all potential Portland to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Costa Rica right now. Can momondo alert me if prices change?

Price alerts on flights to Costa Rica from Portland 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
sáb. 2/28
sáb. 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica