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

United Airlines, Southwest, and Delta are the most popular carriers operating from Oregon 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 Oregon according to our data. United Airlines is the first choice among our users, with 63% 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.

How long is the flight from Oregon to Costa Rica?

Flight times vary depending on what airport in Oregon you fly out of and what airport in Costa Rica you fly into. For example, flying from Portland to San José takes 9h 10m on average. On the other hand, flying from Redmond to San José takes 10h 55m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

Prices for flights from Oregon to Costa Rica were last updated today.

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

As of August 2026, there are 5 operators available to choose from for flights from Oregon to Costa Rica.

How old do you have to be to fly from Oregon to Costa Rica?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon 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.

$192 Cheap Flights from Oregon to Costa Rica in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

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5:18 pm - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

28h 57m2 stops Los Angeles Guatemala City La Aurora

5:45 am - 8:33 pmSJO San José Juan Santamaria Intl-PDX Portland

15h 48m2 stops Guatemala City La Aurora Los Angeles

$414Multiple Airlines

Mon, Oct 5 - Sat, Oct 17

7:00 am - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

14h 15m2 stops Los Angeles Guatemala City La Aurora

5:45 am - 8:31 pmSJO San José Juan Santamaria Intl-PDX Portland

16h 46m2 stops Guatemala City La Aurora Los Angeles

$414Multiple Airlines

Sat, Feb 13 - Sat, Feb 20

6:28 am - 8:16 pmPDX Portland-SJO San José Juan Santamaria Intl

11h 48m1 stop Dallas/Fort Worth

7:16 am - 11:52 pmSJO San José Juan Santamaria Intl-PDX Portland

18h 36m1 stop Dallas/Fort Worth

$463American Airlines

Wed, Jan 20 - Tue, Jan 26

11:08 pm - 12:59 pmPDX Portland-SJO San José Juan Santamaria Intl

12h 51m2 stops Chicago O'Hare Intl Miami

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

11h 23m1 stop Dallas/Fort Worth

$468American Airlines

Mon, Sep 28 - Thu, Oct 1

7:00 am - 6:37 pmPDX Portland-LIR Liberia

9h 37m1 stop Houston George Bush Intcntl

2:20 pm - 11:15 pmLIR Liberia-PDX Portland

10h 55m1 stop Houston George Bush Intcntl

$486United Airlines

Sun, Nov 1 - Fri, Nov 6

7:26 pm - 1:10 pmPDX Portland-LIR Liberia

15h 44m2 stops San Francisco Houston George Bush Intcntl

12:50 pm - 11:09 pmLIR Liberia-PDX Portland

12h 19m1 stop Denver Intl

$486United Airlines

Sun, Nov 1 - Fri, Nov 6

7:00 am - 8:30 pmPDX Portland-LIR Liberia

11h 30m1 stop San Francisco

6:23 pm - 9:46 amLIR Liberia-PDX Portland

17h 23m1 stop San Francisco

$514Alaska Airlines

Sat, Jan 23 - Sat, Feb 6

9:50 pm - 8:30 pmPDX Portland-LIR Liberia

20h 40m1 stop San Francisco

6:23 pm - 9:46 amLIR Liberia-PDX Portland

17h 23m1 stop San Francisco

$522Alaska Airlines

Fri, Jan 22 - Sat, Feb 6

11:35 pm - 1:05 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

12h 30m1 stop Atlanta Hartsfield-Jackson

7:00 am - 10:25 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

16h 25m1 stop Atlanta Hartsfield-Jackson

$558Delta

Fri, Nov 13 - Mon, Nov 16

11:10 pm - 1:05 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

12h 55m1 stop Atlanta Hartsfield-Jackson

7:00 am - 10:25 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

16h 25m1 stop Atlanta Hartsfield-Jackson

$558Delta

Sun, Nov 8 - Mon, Nov 16

Cheap last minute flights

Enter your travel dates to find the best prices.

5:38 pm - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

28h 37m2 stops Los Angeles Guatemala City La Aurora

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

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

$418Multiple Airlines

Fri, Aug 21 - Thu, Aug 27

7:03 am - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

15h 12m2 stops Los Angeles Guatemala City La Aurora

9:40 am - 9:25 amSJO San José Juan Santamaria Intl-PDX Portland

24h 45m2 stops San Salvador El Salvador Intl Los Angeles

$418Multiple Airlines

Thu, Aug 20 - Wed, Aug 26

6:40 am - 6:40 pmEUG Eugene-SJO San José Juan Santamaria Intl

11h 00m2 stops Denver Intl Houston Hobby

9:00 am - 10:45 pmSJO San José Juan Santamaria Intl-EUG Eugene

14h 45m2 stops Orlando Denver Intl

$627Southwest

Wed, Aug 19 - Fri, Sep 4

1:38 pm - 1:52 pmPDX Portland-SJO San José Juan Santamaria Intl

23h 14m1 stop Dallas/Fort Worth

2:56 pm - 10:54 amSJO San José Juan Santamaria Intl-PDX Portland

20h 58m2 stops Miami Dallas/Fort Worth

$664American Airlines

Fri, Aug 21 - Thu, Aug 27

4:11 pm - 7:15 amEUG Eugene-SJO San José Juan Santamaria Intl

14h 04m1 stop San Francisco

8:45 am - 11:43 amSJO San José Juan Santamaria Intl-EUG Eugene

27h 58m1 stop San Francisco

$698United Airlines

Wed, Aug 19 - Fri, Sep 4

12:47 pm - 12:21 pmEUG Eugene-SJO San José Juan Santamaria Intl

22h 34m2 stops Denver Intl Houston George Bush Intcntl

8:45 am - 11:43 amSJO San José Juan Santamaria Intl-EUG Eugene

27h 58m1 stop San Francisco

$703United Airlines

Wed, Aug 19 - Fri, Sep 4

10:59 pm - 12:26 pmPDX Portland-SJO San José Juan Santamaria Intl

12h 27m1 stop Charlotte Douglas

2:56 pm - 10:54 amSJO San José Juan Santamaria Intl-PDX Portland

20h 58m2 stops Miami Dallas/Fort Worth

$748American Airlines

Thu, Aug 20 - Wed, Aug 26

6:10 am - 12:00 pmEUG Eugene-LIR Liberia

28h 50m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

1:25 pm - 1:04 pmLIR Liberia-EUG Eugene

24h 39m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

$921Delta

Fri, Aug 21 - Tue, Sep 1

12:29 pm - 12:00 pmEUG Eugene-LIR Liberia

22h 31m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

1:25 pm - 1:04 pmLIR Liberia-EUG Eugene

24h 39m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

$921Delta

Thu, Aug 20 - Tue, Sep 1

8:14 am - 7:52 pmEUG Eugene-LIR Liberia

10h 38m1 stop Los Angeles

8:32 am - 8:34 pmLIR Liberia-EUG Eugene

13h 02m1 stop Los Angeles

$1,161Alaska Airlines

Fri, Aug 21 - Sun, Aug 30

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Southwest flights from Oregon to Costa Rica

Our best Southwest deals on Oregon to Costa Rica flight tickets

Southwest

Oct 10

EUG2:40 pmEugene

21h 00m

2 stops

SJO12:40 pmSan José Juan Santamaria Intl

Oct 22

SJO9:00 amSan José Juan Santamaria Intl

14h 35m

2 stops

EUG10:35 pmEugene

$611

Southwest

Aug 19

EUG6:40 amEugene

11h 00m

2 stops

SJO6:40 pmSan José Juan Santamaria Intl

Sep 4

SJO9:00 amSan José Juan Santamaria Intl

14h 45m

2 stops

EUG10:45 pmEugene

$627

Southwest

Sep 26

EUG7:00 amEugene

10h 05m

2 stops

SJO6:05 pmSan José Juan Santamaria Intl

Oct 3

SJO9:00 amSan José Juan Santamaria Intl

13h 20m

2 stops

EUG9:20 pmEugene

$636

Avianca flights from Oregon to Costa Rica

Our best Avianca deals on Oregon to Costa Rica flight tickets

Avianca

Jan 16

RDM1:55 pmBend/Redmond

16h 37m

1 stop

SJO8:32 amSan José Juan Santamaria Intl

Jan 28

SJO9:40 amSan José Juan Santamaria Intl

15h 14m

1 stop

RDM10:54 pmBend/Redmond

$814

Avianca

Aug 19

MFR2:07 pmMedford

16h 08m

1 stop

SJO7:15 amSan José Juan Santamaria Intl

Aug 21

SJO1:25 pmSan José Juan Santamaria Intl

23h 29m

2 stops

MFR11:54 amMedford

$1,074

Avianca

Dec 17

RDM5:00 amBend/Redmond

9h 10m

1 stop

LIR4:10 pmLiberia

Jan 6

LIR12:50 pmLiberia

10h 30m

1 stop

RDM9:20 pmBend/Redmond

$1,581

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Mon 10/5

5:18 pm-11:15 pm

2 stops28h 57m

San José Juan Santamaria Intl

Sat 10/17

5:45 am-8:33 pm

2 stops15h 48m

$414

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Sat 2/13

7:00 am-11:15 pm

2 stops14h 15m

San José Juan Santamaria Intl

Sat 2/20

5:45 am-8:31 pm

2 stops16h 46m

$414

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Wed 1/20

6:28 am-8:16 pm

1 stop11h 48m

San José Juan Santamaria Intl

Tue 1/26

7:16 am-11:52 pm

1 stop18h 36m

$463

PortlandSan José

PDX Portland - SJO San José Juan Santamaria Intl

PDXSJO

Portland

Mon 9/28

11:08 pm-12:59 pm

2 stops12h 51m

San José Juan Santamaria Intl

Thu 10/1

1:00 pm-11:23 pm

1 stop11h 23m

$468

Quickest round-trip

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sun 11/1

7:00 am-6:37 pm

1 stop9h 37m

Liberia

Fri 11/6

2:20 pm-11:15 pm

1 stop10h 55m

$486

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sun 11/1

7:26 pm-1:10 pm

2 stops15h 44m

Liberia

Fri 11/6

12:50 pm-11:09 pm

1 stop12h 19m

$486

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Sat 1/23

7:00 am-8:30 pm

1 stop11h 30m

Liberia

Sat 2/6

6:23 pm-9:46 am

1 stop17h 23m

$514

PortlandLiberia

PDX Portland - LIR Liberia

PDXLIR

Portland

Fri 1/22

9:50 pm-8:30 pm

1 stop20h 40m

Liberia

Sat 2/6

6:23 pm-9:46 am

1 stop17h 23m

$522

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Fri 11/13

11:35 pm-1:05 pm

1 stop12h 30m

San José Juan Santamaria Intl

Mon 11/16

7:00 am-10:25 pm

1 stop16h 25m

$558

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Sun 11/8

11:10 pm-1:05 pm

1 stop12h 55m

San José Juan Santamaria Intl

Mon 11/16

7:00 am-10:25 pm

1 stop16h 25m

$558

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 Oregon 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

Other information

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Oregon is in January. Flight prices, which tend to average around $466, 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 September is your next best option. Flight prices from Oregon to Costa Rica during September average around $485.

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

You are more likely to see cheaper flights to Costa Rica from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $544 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Oregon for as low as $403 on momondo.

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

You could potentially save up to 25% on your flight if you consider stops on a Oregon to Costa Rica flight.

Cheap Oregon to Costa Rica flight deals and tips

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

Fastest flight time	8h 38m
Direct flights	None

The fastest flight from Oregon to Costa Rica takes 8h 38m

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

Search flight deals

Frequently asked questions about flying from Oregon to Costa Rica

When did momondo last update prices for flights from Oregon to Costa Rica?
Prices for flights from Oregon to Costa Rica were last updated today.
How many operators does momondo search for flights from Oregon to Costa Rica?
As of August 2026, there are 5 operators available to choose from for flights from Oregon to Costa Rica.
How old do you have to be to fly from Oregon to Costa Rica?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon 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 Oregon to Costa Rica

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $275	Free Cancellation	Rating 7.1 11,947 reviews	Search American Airlines flights
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $295	Free Cancellation	Rating 7.9 12,808 reviews	Search Alaska Airlines flights
Delta	PriceFrom $315	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
Southwest	PriceFrom $492	Free Cancellation	Rating 8.0 4,217 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Oregon to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

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

Yes. All flights to Costa Rica from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Oregon and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Oregon and alert you when they 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.

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Popular cities in Costa Rica

Flights to San Joséfrom $203

Flights to Liberiafrom $299

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Flights to Golfito

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Cheap flights from Oregon to Costa Rica from $192

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Costa Rica departing on 9/12. 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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Southwest flights from Oregon to Costa Rica

Our best Southwest deals on Oregon to Costa Rica flight tickets

Avianca flights from Oregon to Costa Rica

Our best Avianca deals on Oregon to Costa Rica flight tickets

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

What is the cheapest month to fly to Costa Rica?

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

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

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

What airlines fly to Costa Rica?

How long is the flight from Oregon to Costa Rica?

Cheap Oregon to Costa Rica flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Oregon to Costa Rica

Best airlines flying from Oregon to Costa Rica

Compare and see reviews for airlines that fly from Oregon 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

Oregon 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

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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