What is the cheapest airline that flies from Portland to Costa Rica?

United Airlines and American Airlines are the most popular carriers operating from Portland to Costa Rica

What airlines fly to Costa Rica?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Costa Rica from Portland according to our data. United Airlines is the first choice among our users, with 49% 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.

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

Prices for flights from Portland Airport to Costa Rica refresh daily.

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

There are 5 operators available for flights from Portland Airport to Costa Rica as of February 2026.

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 travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$133 Cheap Flights from Portland to Costa Rica in 2026

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Find the cheapest flights from Portland to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:35 pm - 8:12 pm

PDX

SJO

18h 37m

1 stop

7:00 am - 12:17 am

SJO

PDX

19h 17m

1 stop

$297American Airlines

Tue, Feb 24 - Wed, Mar 4

10:53 pm - 10:24 am

PDX

SJO

9h 31m

1 stop

2:20 pm - 1:01 pm

SJO

PDX

23h 41m

1 stop

$305American Airlines

Sun, Mar 1 - Tue, Mar 10

7:57 pm - 8:32 am

PDX

SJO

10h 35m

1 stop

8:45 am - 10:59 pm

SJO

PDX

16h 14m

1 stop

$307United Airlines

Mon, Feb 23 - Thu, Feb 26

10:28 pm - 7:07 pm

PDX

SJO

19h 39m

1 stop

6:30 am - 11:53 pm

SJO

PDX

18h 23m

1 stop

$308American Airlines

Mon, Apr 27 - Mon, May 4

11:47 pm - 1:08 pm

PDX

SJO

12h 21m

2 stops

2:08 pm - 11:54 pm

SJO

PDX

10h 46m

1 stop

$313American Airlines

Mon, Apr 27 - Thu, May 7

7:00 am - 3:30 pm

PDX

SJO

30h 30m

1 stop

7:45 am - 8:44 pm

SJO

PDX

14h 59m

1 stop

$317Multiple Airlines

Tue, Feb 24 - Sat, Feb 28

7:57 pm - 8:32 am

PDX

SJO

10h 35m

1 stop

8:40 am - 11:04 pm

SJO

PDX

15h 24m

1 stop

$318United Airlines

Tue, Mar 3 - Thu, Mar 12

7:00 am - 3:30 pm

PDX

SJO

30h 30m

1 stop

7:45 am - 8:44 pm

SJO

PDX

14h 59m

1 stop

$321Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

10:30 am - 6:36 am

PDX

LIR

19h 06m

1 stop

11:45 am - 1:25 pm

LIR

PDX

26h 40m

1 stop

$374Alaska Airlines

Mon, Mar 9 - Wed, Mar 11

10:30 am - 6:36 am

PDX

LIR

19h 06m

1 stop

11:45 am - 4:41 pm

LIR

PDX

29h 56m

1 stop

$384Alaska Airlines

Mon, Mar 9 - Wed, Mar 11

American Airlines flights from Portland to Costa Rica

Our best American Airlines deals on Portland to Costa Rica flight tickets

American Airlines

Feb 24

PDX11:35 pmPortland

18h 37m

1 stop

SJO8:12 pmSan José Juan Santamaria Intl

Mar 4

SJO7:00 amSan José Juan Santamaria Intl

19h 17m

1 stop

PDX12:17 amPortland

$297

American Airlines

Mar 1

PDX10:53 pmPortland

9h 31m

1 stop

SJO10:24 amSan José Juan Santamaria Intl

Mar 10

SJO2:20 pmSan José Juan Santamaria Intl

23h 41m

1 stop

PDX1:01 pmPortland

$305

American Airlines

Apr 27

PDX10:28 pmPortland

19h 39m

1 stop

SJO7:07 pmSan José Juan Santamaria Intl

May 7

SJO2:08 pmSan José Juan Santamaria Intl

10h 46m

1 stop

PDX11:54 pmPortland

$308

Alaska Airlines flights from Portland to Costa Rica

Our best Alaska Airlines deals on Portland to Costa Rica flight tickets

Alaska Airlines

May 14

PDX12:33 pmPortland

10h 00m

1 stop

SJO11:33 pmSan José Juan Santamaria Intl

May 18

SJO12:53 amSan José Juan Santamaria Intl

11h 40m

1 stop

PDX11:33 amPortland

$368

Alaska Airlines

Mar 9

PDX10:30 amPortland

19h 06m

1 stop

LIR6:36 amLiberia

Mar 11

LIR11:45 amLiberia

26h 40m

1 stop

PDX1:25 pmPortland

$374

Alaska Airlines

Mar 9

PDX10:30 amPortland

19h 06m

1 stop

LIR6:36 amLiberia

Mar 11

LIR11:45 amLiberia

29h 56m

1 stop

PDX4:41 pmPortland

$384

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 2/24

11:35 pm-8:12 pm

1 stop18h 37m

San José Juan Santamaria Intl

Wed 3/4

7:00 am-12:17 am

1 stop19h 17m

$297

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sun 3/1

10:53 pm-10:24 am

1 stop9h 31m

San José Juan Santamaria Intl

Tue 3/10

2:20 pm-1:01 pm

1 stop23h 41m

$305

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 2/23

7:57 pm-8:32 am

1 stop10h 35m

San José Juan Santamaria Intl

Thu 2/26

8:45 am-10:59 pm

1 stop16h 14m

$307

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/27

10:28 pm-7:07 pm

1 stop19h 39m

San José Juan Santamaria Intl

Mon 5/4

6:30 am-11:53 pm

1 stop18h 23m

$308

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 4/27

11:47 pm-1:08 pm

2 stops12h 21m

San José Juan Santamaria Intl

Thu 5/7

2:08 pm-11:54 pm

1 stop10h 46m

$313

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 2/24

7:00 am-3:30 pm

1 stop30h 30m

San José Juan Santamaria Intl

Sat 2/28

7:45 am-8:44 pm

1 stop14h 59m

$317

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 3/3

7:57 pm-8:32 am

1 stop10h 35m

San José Juan Santamaria Intl

Thu 3/12

8:40 am-11:04 pm

1 stop15h 24m

$318

PortlandSan José

PDX - SJO

PDXSJO

Portland

Thu 2/26

7:00 am-3:30 pm

1 stop30h 30m

San José Juan Santamaria Intl

Thu 3/5

7:45 am-8:44 pm

1 stop14h 59m

$321

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 3/9

10:30 am-6:36 am

1 stop19h 06m

Liberia

Wed 3/11

11:45 am-1:25 pm

1 stop26h 40m

$374

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 3/9

10:30 am-6:36 am

1 stop19h 06m

Liberia

Wed 3/11

11:45 am-4:41 pm

1 stop29h 56m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland 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

Prices

Airlines

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Portland is in September. Flight prices, which tend to average around $357, 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 October is your next best option. Flight prices from Portland to Costa Rica during October average around $385.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $514 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Portland for as low as $422 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a Portland to Costa Rica flight.

Cheap Portland to Costa Rica flight deals and tips

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

Fastest flight time	9h 01m
Direct flights	None

The fastest flight from Portland to Costa Rica takes 9h 01m

There are no direct flights from Portland to Costa Rica. There are no popular flight routes from Portland 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 refresh daily.
How many operators does momondo search for flights from Portland Airport to Costa Rica?
There are 5 operators available for flights from Portland Airport to Costa Rica as of February 2026.
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 travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Costa Rica

Compare and see reviews for airlines that fly from Portland to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $275	Free Cancellation	Rating 7.2 11,265 reviews	Search American Airlines flights
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 9,273 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $302	Free Cancellation	Rating 8.0 11,874 reviews	Search Alaska Airlines flights
Delta	PriceFrom $315	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
Southwest	PriceFrom $537	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

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?

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 Portland to Costa Rica.

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

Yes. momondo can track prices for Portland to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.

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Popular cities in Costa Rica

Flights to San Joséfrom $143

Flights to Liberiafrom $223

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Cheap flights from Portland to Costa Rica from $133

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 to Costa Rica departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Portland to Costa Rica

Our best American Airlines deals on Portland to Costa Rica flight tickets

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Our best Alaska Airlines deals on Portland to Costa Rica flight tickets

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

What is the cheapest month to fly to Costa Rica?

How far in advance should I book a flight to Costa Rica?

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

What is the cheapest airline that flies from Portland to Costa Rica?

What airlines fly to Costa Rica?

Cheap Portland to Costa Rica flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Portland to Costa Rica

Compare and see reviews for airlines that fly from Portland to Costa Rica with momondo

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Portland flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

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