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Cheap flights from Costa Rica to Portland from $143

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 4/16. 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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Recent round-trip flight deals from Costa Rica to Portland

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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 February 10, 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

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Thu 4/16

1:00 pm-11:59 pm

1 stop8h 59m

$143

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 4/17

1:00 pm-11:59 pm

1 stop8h 59m

$165

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/1

3:27 pm-10:18 am

2 stops40h 51m

$186

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 4/17

3:27 pm-9:40 pm

2 stops28h 13m

$216

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Sat 4/18

3:27 pm-9:40 pm

2 stops28h 13m

$225

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Thu 4/16

2:10 pm-10:46 pm

2 stops30h 36m

$230

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Sat 4/18

1:30 pm-11:59 pm

1 stop8h 29m

$245

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 5/1

12:28 pm-10:46 pm

1 stop8h 18m

$319

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Thu 4/23

1:00 pm-11:59 pm

1 stop8h 59m

$376

LiberiaPortland

LIR - PWM

LIRPWM

Liberia

Fri 4/24

1:20 pm-9:40 pm

2 stops30h 20m

$394

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 8% 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

47h 19m

Direct flights

None
The fastest flight from Costa Rica to Portland, Maine takes 47h 19m
There are no direct flights from Costa Rica to Portland, Maine. There are no popular flight routes from Costa Rica to Portland, Maine.
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  • 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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