HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$122+ Cheap flights from Oregon to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oregon to Costa Rica

Keep the following information in mind while searching for Oregon to Costa Rica flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$276
(United Airlines)

One-way from

$122
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$403
From Oregon to Costa Rica
Search Deals
One-way flight from Oregon to Costa Rica
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Oregon to Costa Rica

Cheapest flights from Oregon to Costa Rica
Explore the most affordable flight options available from Oregon to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:38 pmPDX - SJO
2 stops13h 47mUnited Airlines
sáb. 11/1512:35 pmSJO - PDX
1 stop12h 10mUnited Airlines
Deal found 9/15$276
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/255:30 amPDX - SJO
2 stops13h 07mUnited Airlines
mar. 9/308:37 amSJO - PDX
1 stop13h 13mUnited Airlines
Deal found 9/14$280
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:15 amPDX - SJO
1 stop12h 55mSouthwest
dom. 11/239:00 amSJO - PDX
2 stops17h 15mSouthwest
Deal found 9/15$281
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:54 amBOI - SJO
2 stops17h 44mAlaska Airlines
lun. 11/171:55 amSJO - BOI
1 stop12h 45mAlaska Airlines
Deal found 9/15$282
This SmartFares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:54 amBOI - SJO
2 stops17h 44mAlaska Airlines
dom. 11/161:55 amSJO - BOI
1 stop22h 07mAlaska Airlines
Deal found 9/15$288
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1312:33 pmPDX - SJO
1 stop10h 05mAlaska Airlines
lun. 11/171:55 amSJO - PDX
1 stop11h 40mAlaska Airlines
Deal found 9/14$292
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/136:47 pmEUG - SJO
1 stop11h 28mUnited Airlines
lun. 10/208:37 amSJO - EUG
1 stop15h 14mUnited Airlines
Deal found 9/15$298
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/142:13 pmMFR - SJO
1 stop16h 02mUnited Airlines
mar. 10/218:37 amSJO - MFR
1 stop12h 52mUnited Airlines
Deal found 9/14$298
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/293:49 pmRDM - SJO
2 stops17h 36mUnited Airlines
mié. 11/59:40 amSJO - RDM
1 stop15h 05mUnited Airlines
Deal found 9/14$298
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:09 pmBOI - SJO
1 stop12h 06mUnited Airlines
lun. 9/298:37 amSJO - BOI
1 stop15h 07mUnited Airlines
Deal found 9/15$298
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/145:15 pmPDX - SJO
1 stop13h 00mUnited Airlines
mar. 10/217:55 amSJO - PDX
2 stops13h 55mUnited Airlines
Deal found 9/14$301
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/206:47 pmEUG - SJO
1 stop11h 28mUnited Airlines
mar. 10/281:20 pmSJO - EUG
2 stops23h 49mUnited Airlines
Deal found 9/16$302

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Costa Rica 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Oregon to Costa Rica that are best for you.

Fly from

Oregon

Fly to

Costa Rica

Route

Depart

Return

Price

PortlandSan José

PDX - SJO

PDXSJO

Portland

sáb. 9/27

7:02 am-7:37 pm

1 stop11h 35m

San José Juan Santamaria Intl

mar. 9/30

8:37 am-6:33 pm

1 stop10h 56m

$276

PortlandSan José

PDX - SJO

PDXSJO

Portland

mar. 10/7

7:35 pm-7:15 am

1 stop10h 40m

San José Juan Santamaria Intl

mar. 12/16

8:45 am-10:52 pm

2 stops16h 07m

$276

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 11/11

5:54 am-12:38 am

2 stops17h 44m

San José Juan Santamaria Intl

dom. 11/16

1:55 am-11:59 pm

2 stops23h 04m

$282

EugeneSan José

EUG - SJO

EUGSJO

Eugene

lun. 10/13

6:47 pm-7:15 am

1 stop11h 28m

San José Juan Santamaria Intl

lun. 10/20

8:37 am-10:51 pm

1 stop15h 14m

$298

MedfordSan José

MFR - SJO

MFRSJO

Medford

mar. 1/20

6:25 pm-8:32 am

1 stop12h 07m

San José Juan Santamaria Intl

mié. 1/28

9:40 am-5:42 pm

1 stop10h 02m

$298

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

mié. 10/29

3:49 pm-10:25 am

2 stops17h 36m

San José Juan Santamaria Intl

mié. 11/5

9:40 am-10:45 pm

1 stop15h 05m

$298

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

dom. 11/9

1:54 pm-8:32 am

1 stop16h 38m

San José Juan Santamaria Intl

jue. 11/13

9:40 am-10:45 pm

1 stop15h 05m

$298

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

vie. 10/31

7:51 pm-10:25 am

2 stops13h 34m

San José Juan Santamaria Intl

vie. 11/7

9:40 am-10:45 pm

1 stop15h 05m

$298

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

lun. 11/3

7:51 pm-11:25 am

2 stops13h 34m

San José Juan Santamaria Intl

sáb. 11/15

6:40 am-3:07 pm

1 stop10h 27m

$298

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 11/11

2:40 pm-8:32 am

1 stop16h 52m

San José Juan Santamaria Intl

mar. 11/18

9:40 am-6:54 pm

1 stop10h 14m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Oregon to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Costa Rica

What is the cheapest month to book a flight from Oregon to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Oregon to Costa Rica (average of $398). Flying from Oregon to Costa Rica in March is currently the most expensive (average of $554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to CR?

Find hourly flight availability from Oregon to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Costa Rica as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to Costa Rica?

    Departing from Oregon to Costa Rica will take you 11h 35m. There are 3340 mi between Oregon and Costa Rica. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Oregon to Costa Rica one-way?

    $122 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $128 and $139, respectively.

  • Can I find deals for flights from Oregon to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Oregon to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Costa Rica.

  • Can I find deals for business class flights from Oregon to Costa Rica?

    Yes. Cheapflights offers flight deals from Oregon to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Oregon to Costa Rica (average of $398). Flying from Oregon to Costa Rica in March is currently the most expensive (average of $554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San José flights
Los Angeles to Guatemala City flights
Newark to San José flights
Los Angeles to San Salvador flights
Dulles Intl to San Salvador flights
John F Kennedy Intl to Panama City flights
Newark to Panama City flights
John F Kennedy Intl to San Salvador flights
Hobby to San Salvador flights
Los Angeles to San José flights
Dallas/Fort Worth to San Salvador flights
John F Kennedy Intl to Guatemala City flights
George Bush Intcntl to San Salvador flights
LaGuardia to San José flights
O'Hare Intl to San José flights
Newark to Liberia flights
Newark to Guatemala City flights
Dulles Intl to San José flights
Los Angeles to Panama City flights
Hobby to San José flights
LaGuardia to Panama City flights
Dallas/Fort Worth to San José flights
Dulles Intl to Panama City flights
Atlanta to San José flights
Miami to Managua flights
John F Kennedy Intl to Liberia flights
O'Hare Intl to Panama City flights
George Bush Intcntl to San José flights
Miami to Panama City flights
San Francisco to San José flights
Boston to San José flights
Orlando to Panama City flights
Dulles Intl to Guatemala City flights
Dallas/Fort Worth to Guatemala City flights
O'Hare Intl to Guatemala City flights
Baltimore to San José flights
Hobby to Panama City flights
Atlanta to San Salvador flights
Los Angeles to Liberia flights
Reagan-National to San José flights
Baltimore to San Salvador flights
Orlando to San José flights
Denver to San José flights
Dallas/Fort Worth to Panama City flights
Ontario to San Salvador flights
Miami to San Salvador flights
Reagan-National to San Salvador flights
Atlanta to Guatemala City flights
O'Hare Intl to Liberia flights
LaGuardia to Liberia flights

Top 7 airlines flying from Oregon to Costa Rica

Discover the top 7 airlines that operate flights from Oregon to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$204Average$359FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$344Average$665FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$345Average$615FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$409Average$699FlexibilityNo cancel feeOn-time71%
DeltaCheapest$409Average$676FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$528Average$706FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$775Average$1,337FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.