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 60% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 4 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

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

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

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 4 operators available for flights from Portland Airport to Costa Rica as of September 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.

$201 Cheap Flights from Portland to Costa Rica in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

5:25 am - 11:26 pmPDX Portland-SJO San José Juan Santamaria Intl

16h 01m1 stop Dallas/Fort Worth

1:26 pm - 11:59 pmSJO San José Juan Santamaria Intl-PDX Portland

12h 33m1 stop Miami

$444American Airlines

Wed, Feb 17 - Wed, Feb 24

6:00 am - 7:55 pmPDX Portland-SJO San José Juan Santamaria Intl

11h 55m1 stop Dallas/Fort Worth

6:30 am - 10:15 pmSJO San José Juan Santamaria Intl-PDX Portland

17h 45m1 stop Dallas/Fort Worth

$444American Airlines

Wed, Jan 20 - Tue, Jan 26

2:34 pm - 1:07 pmPDX Portland-SJO San José Juan Santamaria Intl

20h 33m2 stops Dallas/Fort Worth Charlotte Douglas

2:46 pm - 11:43 pmSJO San José Juan Santamaria Intl-PDX Portland

10h 57m1 stop Dallas/Fort Worth

$490GOL

Mon, Nov 2 - Mon, Nov 16

6:00 am - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

15h 15m2 stops Los Angeles Guatemala City La Aurora

5:35 am - 4:50 pmSJO San José Juan Santamaria Intl-PDX Portland

13h 15m2 stops Guatemala City La Aurora Los Angeles

$508Multiple Airlines

Sat, Jan 16 - Fri, Jan 22

5:15 am - 4:08 pmPDX Portland-LIR Liberia

8h 53m1 stop Denver Intl

12:35 pm - 11:12 pmLIR Liberia-PDX Portland

12h 37m1 stop Houston George Bush Intcntl

$524United Airlines

Mon, Feb 22 - Thu, Mar 4

7:10 am - 6:37 pmPDX Portland-LIR Liberia

9h 27m1 stop Houston George Bush Intcntl

12:35 pm - 11:12 pmLIR Liberia-PDX Portland

12h 37m1 stop Houston George Bush Intcntl

$524United Airlines

Wed, Feb 24 - Thu, Mar 4

7:05 am - 11:35 amPDX Portland-LIR Liberia

27h 30m2 stops Los Angeles Atlanta Hartsfield-Jackson

1:00 pm - 12:11 pmLIR Liberia-PDX Portland

24h 11m2 stops Atlanta Hartsfield-Jackson Los Angeles

$551Delta

Mon, Oct 19 - Thu, Oct 29

7:05 am - 11:35 amPDX Portland-LIR Liberia

27h 30m2 stops Los Angeles Atlanta Hartsfield-Jackson

1:00 pm - 4:19 pmLIR Liberia-PDX Portland

28h 19m2 stops Atlanta Hartsfield-Jackson Los Angeles

$551Delta

Mon, Oct 19 - Fri, Oct 30

2:46 pm - 8:30 pmPDX Portland-LIR Liberia

27h 44m1 stop San Francisco

6:23 pm - 9:26 amLIR Liberia-PDX Portland

17h 03m1 stop San Francisco

$574Alaska Airlines

Fri, Jan 29 - Sat, Feb 6

6:00 am - 8:31 pmPDX Portland-LIR Liberia

12h 31m1 stop Los Angeles

6:23 pm - 9:26 amLIR Liberia-PDX Portland

17h 03m1 stop San Francisco

$577Alaska Airlines

Thu, Jan 28 - Sat, Feb 6

Cheap last minute flights

Enter your travel dates to find the best prices.

11:08 pm - 1:57 pmPDX Portland-SJO San José Juan Santamaria Intl

13h 49m2 stops Chicago O'Hare Intl Dallas/Fort Worth

2:57 pm - 10:59 amSJO San José Juan Santamaria Intl-PDX Portland

21h 02m2 stops Miami Dallas/Fort Worth

$563American Airlines

Fri, Sep 25 - Fri, Oct 2

11:08 pm - 1:57 pmPDX Portland-SJO San José Juan Santamaria Intl

13h 49m2 stops Chicago O'Hare Intl Dallas/Fort Worth

1:00 pm - 11:23 pmSJO San José Juan Santamaria Intl-PDX Portland

11h 23m1 stop Dallas/Fort Worth

$563American Airlines

Fri, Sep 25 - Fri, Oct 2

11:08 pm - 1:57 pmPDX Portland-SJO San José Juan Santamaria Intl

13h 49m2 stops Chicago O'Hare Intl Dallas/Fort Worth

2:57 pm - 10:55 amSJO San José Juan Santamaria Intl-PDX Portland

20h 58m2 stops Miami Chicago O'Hare Intl

$563American Airlines

Fri, Sep 25 - Fri, Oct 2

7:27 pm - 7:15 amPDX Portland-SJO San José Juan Santamaria Intl

10h 48m1 stop San Francisco

8:45 am - 9:00 pmSJO San José Juan Santamaria Intl-PDX Portland

13h 15m1 stop San Francisco

$639United Airlines

Wed, Sep 23 - Sun, Sep 27

5:30 am - 7:37 pmPDX Portland-SJO San José Juan Santamaria Intl

13h 07m2 stops San Francisco Houston George Bush Intcntl

8:45 am - 9:00 pmSJO San José Juan Santamaria Intl-PDX Portland

13h 15m1 stop San Francisco

$644United Airlines

Mon, Sep 21 - Mon, Sep 28

5:30 am - 7:15 amPDX Portland-SJO San José Juan Santamaria Intl

24h 45m1 stop San Francisco

8:45 am - 12:34 amSJO San José Juan Santamaria Intl-PDX Portland

16h 49m1 stop San Francisco

$668United Airlines

Thu, Sep 24 - Thu, Oct 8

3:23 pm - 8:19 amPDX Portland-SJO San José Juan Santamaria Intl

15h 56m2 stops San Francisco Panama City Tocumen Intl

5:45 am - 10:44 amSJO San José Juan Santamaria Intl-PDX Portland

29h 59m2 stops Guatemala City La Aurora Los Angeles

$675Multiple Airlines

Thu, Sep 24 - Thu, Oct 8

3:23 pm - 7:10 amPDX Portland-SJO San José Juan Santamaria Intl

14h 47m2 stops San Francisco Panama City Tocumen Intl

12:40 pm - 9:31 amSJO San José Juan Santamaria Intl-PDX Portland

21h 51m3 stops Panama City Tocumen Intl San Salvador El Salvador Intl Los Angeles

$690Multiple Airlines

Thu, Sep 24 - Thu, Oct 8

2:10 pm - 11:54 amPDX Portland-SJO San José Juan Santamaria Intl

20h 44m1 stop Atlanta Hartsfield-Jackson

1:25 pm - 5:04 pmSJO San José Juan Santamaria Intl-PDX Portland

28h 39m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

$748Delta

Thu, Sep 24 - Thu, Oct 8

7:03 am - 11:40 pmPDX Portland-SJO San José Juan Santamaria Intl

15h 37m2 stops Los Angeles San Salvador El Salvador Intl

3:10 pm - 9:25 amSJO San José Juan Santamaria Intl-PDX Portland

19h 15m2 stops San Salvador El Salvador Intl Los Angeles

$763Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Portland to Costa Rica

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

American Airlines

Jan 20

PDX6:00 amPortland

11h 55m

1 stop

SJO7:55 pmSan José Juan Santamaria Intl

Jan 26

SJO6:20 amSan José Juan Santamaria Intl

19h 56m

1 stop

PDX12:16 amPortland

$444

American Airlines

Feb 17

PDX7:30 amPortland

13h 56m

1 stop

SJO11:26 pmSan José Juan Santamaria Intl

Mar 2

SJO3:56 pmSan José Juan Santamaria Intl

20h 53m

2 stops

PDX10:49 amPortland

$449

American Airlines

Nov 2

PDX9:50 pmPortland

13h 17m

1 stop

SJO1:07 pmSan José Juan Santamaria Intl

Nov 16

SJO2:01 pmSan José Juan Santamaria Intl

11h 58m

1 stop

PDX11:59 pmPortland

$463

United Airlines flights from Portland to Costa Rica

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

United Airlines

Oct 29

PDX3:40 pmPortland

14h 52m

1 stop

SJO7:32 amSan José Juan Santamaria Intl

Nov 3

SJO2:25 pmSan José Juan Santamaria Intl

10h 50m

1 stop

PDX11:15 pmPortland

$558

United Airlines

Oct 15

PDX3:23 pmPortland

19h 47m

2 stops

LIR12:10 pmLiberia

Oct 24

LIR11:49 amLiberia

10h 21m

1 stop

PDX9:10 pmPortland

$566

United Airlines

Jan 10

PDX7:49 pmPortland

10h 43m

1 stop

SJO8:32 amSan José Juan Santamaria Intl

Jan 16

SJO6:40 amSan José Juan Santamaria Intl

13h 40m

2 stops

PDX6:20 pmPortland

$574

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Wed 2/17

5:25 am-11:26 pm

1 stop16h 01m

San José Juan Santamaria Intl

Wed 2/24

1:26 pm-11:59 pm

1 stop12h 33m

$444

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Wed 1/20

6:00 am-7:55 pm

1 stop11h 55m

San José Juan Santamaria Intl

Tue 1/26

6:30 am-10:15 pm

1 stop17h 45m

$444

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Mon 11/2

2:34 pm-1:07 pm

2 stops20h 33m

San José Juan Santamaria Intl

Mon 11/16

2:46 pm-11:43 pm

1 stop10h 57m

$490

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Sat 1/16

6:00 am-11:15 pm

2 stops15h 15m

San José Juan Santamaria Intl

Fri 1/22

5:35 am-4:50 pm

2 stops13h 15m

$508

Quickest round-trip

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 2/22

5:15 am-4:08 pm

1 stop8h 53m

Liberia

Thu 3/4

12:35 pm-11:12 pm

1 stop12h 37m

$524

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Wed 2/24

7:10 am-6:37 pm

1 stop9h 27m

Liberia

Thu 3/4

12:35 pm-11:12 pm

1 stop12h 37m

$524

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 10/19

7:05 am-11:35 am

2 stops27h 30m

Liberia

Thu 10/29

1:00 pm-12:11 pm

2 stops24h 11m

$551

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Mon 10/19

7:05 am-11:35 am

2 stops27h 30m

Liberia

Fri 10/30

1:00 pm-4:19 pm

2 stops28h 19m

$551

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Fri 1/29

2:46 pm-8:30 pm

1 stop27h 44m

Liberia

Sat 2/6

6:23 pm-9:26 am

1 stop17h 03m

$574

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Thu 1/28

6:00 am-8:31 pm

1 stop12h 31m

Liberia

Sat 2/6

6:23 pm-9:26 am

1 stop17h 03m

$577

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 January. Flight prices, which tend to average around $467, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in January, then May is your next best option. Flight prices from Portland to Costa Rica during May average around $496.

How far in advance should I book a flight from Portland 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 $572 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 $443 on momondo.

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

Best Price Found	$201
Fastest flight time	8h 55m
Direct flights	None

The best one-way flight to Costa Rica from Portland in the past 72 hours is $201. The best round-trip flight deal from Portland to Costa Rica found on momondo in the last 72 hours is $444.

The fastest flight from Portland to Costa Rica takes 8h 55m

There are no direct flights from Portland to Costa Rica. There are no popular flight routes from Portland to Costa Rica.

Search flight deals

Frequently asked questions about flying from Portland to Costa Rica

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 4 operators available for flights from Portland Airport to Costa Rica as of September 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 7.0 12,086 reviews	Search American Airlines flights
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 10,231 reviews	Search United Airlines flights
Delta	PriceFrom $315	Free Cancellation	Rating 7.8 8,591 reviews	Search Delta flights
Alaska Airlines	PriceFrom $344	Free Cancellation	Rating 7.9 12,950 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $492	Free Cancellation	Rating 8.0 4,196 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 10/20

Tue 10/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Popular cities

Other flights from Portland

Other flights to Costa Rica

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Costa Rica

Flights to San Joséfrom $202

Flights to Liberiafrom $303

Flights to Limon

Flights to Tamarindo

Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Cheap flights from Portland to Costa Rica from $201

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 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Costa Rica

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

American Airlines flights from Portland to Costa Rica

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

United Airlines flights from Portland to Costa Rica

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

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Costa Rica that are best for you.

See travel insights to Costa Rica from

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 from Portland to Costa Rica?

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Costa Rica

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?

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

Costa Rica flight routes

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.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year