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Cheap flights from Costa Rica to Portland from $206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Costa Rica to Portland departing on 5/4. 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 Costa Rica to Portland

Recent round-trip flight deals from Costa Rica to Portland

Enter your travel dates to find the best prices.
United Airlines Logo
3:27 pm - 9:19 pm
LIR
-
PWM
27h 52m
2 stops
United Airlines Logo
7:10 pm - 12:10 pm
PWM
-
LIR
19h 00m
2 stops
$454United Airlines
Fri, May 8 - Mon, May 11
United Airlines Logo
3:27 pm - 9:19 pm
LIR
-
PWM
27h 52m
2 stops
United Airlines Logo
7:10 pm - 12:10 pm
PWM
-
LIR
19h 00m
2 stops
$462United Airlines
Fri, May 8 - Mon, May 11
American Airlines Logo
2:40 pm - 10:23 am
LIR
-
PWM
17h 43m
2 stops
American Airlines Logo
5:57 pm - 11:22 am
PWM
-
LIR
19h 25m
2 stops
$534American Airlines
Fri, May 15 - Fri, May 22
American Airlines Logo
12:28 pm - 10:46 pm
LIR
-
PWM
8h 18m
1 stop
American Airlines Logo
5:57 pm - 11:22 am
PWM
-
LIR
19h 25m
2 stops
$749American Airlines
Fri, May 15 - Fri, May 22
American Airlines Logo
12:28 pm - 10:46 pm
LIR
-
PWM
8h 18m
1 stop
American Airlines Logo
5:57 pm - 11:35 am
PWM
-
LIR
19h 38m
1 stop
$828American Airlines
Fri, May 15 - Fri, May 22

United Airlines flights from Costa Rica to Portland, Maine

Our best United Airlines deals on Costa Rica to Portland, Maine flight tickets
United Airlines
May 8
LIR3:27 pmLiberia
27h 52m
2 stops
PWM9:19 pmPortland
May 11
PWM7:10 pmPortland
19h 00m
2 stops
LIR12:10 pmLiberia
$454
United Airlines
May 8
LIR3:27 pmLiberia
27h 52m
2 stops
PWM9:19 pmPortland
May 11
PWM7:10 pmPortland
19h 00m
2 stops
LIR12:10 pmLiberia
$462

American Airlines flights from Costa Rica to Portland, Maine

Our best American Airlines deals on Costa Rica to Portland, Maine flight tickets
American Airlines
May 15
LIR2:40 pmLiberia
17h 43m
2 stops
PWM10:23 amPortland
May 22
PWM5:57 pmPortland
19h 25m
2 stops
LIR11:22 amLiberia
$534
American Airlines
May 15
LIR12:28 pmLiberia
8h 18m
1 stop
PWM10:46 pmPortland
May 22
PWM5:57 pmPortland
19h 25m
2 stops
LIR11:22 amLiberia
$749
American Airlines
May 15
LIR12:28 pmLiberia
8h 18m
1 stop
PWM10:46 pmPortland
May 22
PWM5:57 pmPortland
19h 38m
1 stop
LIR11:35 amLiberia
$828

momondo Fare Finder

 
Customize your flight search to find flights from Costa Rica to Portland, Maine 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 April 4, 2026.
Use the filters below to find and compare flights from Costa Rica to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/8

3:27 pm-9:19 pm

2 stops27h 52m

Portland

Mon 5/11

7:10 pm-12:10 pm

2 stops19h 00m

$454

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/8

3:27 pm-9:19 pm

2 stops27h 52m

Portland

Mon 5/11

7:10 pm-12:10 pm

2 stops19h 00m

$462

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/15

2:40 pm-10:23 am

2 stops17h 43m

Portland

Fri 5/22

5:57 pm-11:22 am

2 stops19h 25m

$534
Quickest round-trip

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/15

12:28 pm-10:46 pm

1 stop8h 18m

Portland

Fri 5/22

5:57 pm-11:22 am

2 stops19h 25m

$749

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/15

12:28 pm-10:46 pm

1 stop8h 18m

Portland

Fri 5/22

5:57 pm-11:35 am

1 stop19h 38m

$828
Cheapest one-way

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Mon 5/4

3:27 pm-11:29 pm

2 stops30h 02m

$206

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Sat 5/9

3:27 pm-10:23 am

2 stops16h 56m

$212

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Wed 5/6

12:30 pm-10:07 am

2 stops19h 37m

$221

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Sun 8/30

2:26 pm-1:51 pm

2 stops21h 25m

$226

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Thu 5/7

4:30 pm-11:23 pm

1 stop28h 53m

$229

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Costa Rica to Portland, Maine

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

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

You could potentially save up to 41% on your flight if you consider stops on a Costa Rica to Portland, Maine flight.

Cheap Costa Rica to Portland, Maine flight deals and tips

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

Fastest flight time

27h 52m

Direct flights

None
The fastest flight from Costa Rica to Portland, Maine takes 27h 52m
There are no direct flights from Costa Rica to Portland, Maine. There are no popular flight routes from Costa Rica to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Costa Rica to Portland, Maine

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

    Prices for flights from Costa Rica to Portland Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Costa Rica to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Costa Rica to Portland for you.

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

Flights from Costa Rica to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Costa Rica to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Portland from Costa Rica. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Mon 5/4
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