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Costa Rica

$159+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap 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 March 28, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/206:51 pm
EUG
-
SJO
1 stop11h 24m
United Airlines
Tue 5/58:45 am
SJO
-
EUG
1 stop15h 14m
United Airlines
Deal found 3/23$360
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:01 am
EUG
-
SJO
2 stops14h 52m
Alaska Airlines
Wed 5/612:55 am
SJO
-
EUG
2 stops24h 04m
Alaska Airlines
Deal found 3/23$365
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 6/411:59 pm
PDX
-
SJO
1 stop9h 12m
United Airlines
Wed 6/108:45 am
SJO
-
PDX
1 stop15h 03m
United Airlines
Deal found 3/27$367
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 4/286:51 pm
EUG
-
SJO
2 stops14h 20m
United Airlines
Mon 5/118:45 am
SJO
-
EUG
1 stop15h 14m
United Airlines
Deal found 3/23$374
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 5/116:36 pm
MFR
-
SJO
2 stops16h 45m
United Airlines
Mon 5/188:45 am
SJO
-
MFR
1 stop14h 40m
United Airlines
Deal found 3/26$374
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 5/76:55 pm
RDM
-
SJO
1 stop11h 20m
United Airlines
Thu 5/148:45 am
SJO
-
RDM
1 stop15h 14m
United Airlines
Deal found 3/23$374
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 4/226:48 pm
RDM
-
SJO
2 stops14h 23m
United Airlines
Wed 4/298:45 am
SJO
-
RDM
1 stop15h 14m
United Airlines
Deal found 3/23$375
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 5/197:45 pm
PDX
-
SJO
1 stop10h 30m
United Airlines
Mon 6/18:45 am
SJO
-
PDX
1 stop13h 09m
United Airlines
Deal found 3/26$378
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:17 pm
EUG
-
SJO
2 stops27h 36m
Alaska Airlines
Wed 5/612:55 am
SJO
-
EUG
2 stops24h 04m
Alaska Airlines
Deal found 3/23$378
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:30 pm
RDM
-
SJO
2 stops34h 15m
Alaska Airlines
Wed 5/612:55 am
SJO
-
RDM
1 stop12h 54m
Alaska Airlines
Deal found 3/23$378
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:49 pm
EUG
-
SJO
2 stops19h 46m
American Airlines
Tue 5/52:08 pm
SJO
-
EUG
2 stops24h 18m
American Airlines
Deal found 3/26$379
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:26 pm
BOI
-
SJO
2 stops17h 09m
American Airlines
Mon 5/42:22 pm
SJO
-
BOI
2 stops22h 27m
American Airlines
Deal found 3/24$379

Find 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 March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$360
(United Airlines)

One-way from

$159
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$610
Provider with most accurate pricing for Portland-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San José Juan Santamaria Intl flights.
Search Deals
From Oregon to Costa Rica
Search Deals
One-way flight from Oregon to Costa Rica
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 28, 2026.
Use the filters below to find and compare flights from Oregon to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Tue 5/5

11:43 am-11:45 pm

1 stop11h 02m

San José Juan Santamaria Intl

Wed 5/6

12:55 am-11:59 pm

2 stops24h 04m

$365

MedfordSan José

MFR - SJO

MFRSJO

Medford

Mon 5/11

2:07 pm-7:15 am

1 stop16h 08m

San José Juan Santamaria Intl

Mon 5/18

8:45 am-10:25 pm

1 stop14h 40m

$374

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 5/26

6:03 pm-7:15 am

1 stop12h 12m

San José Juan Santamaria Intl

Mon 6/1

8:45 am-8:54 pm

1 stop13h 09m

$378

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Mon 4/27

6:00 am-11:45 pm

2 stops40h 45m

San José Juan Santamaria Intl

Wed 5/6

12:55 am-11:58 pm

2 stops24h 03m

$378

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Mon 5/11

3:59 pm-11:33 pm

2 stops54h 34m

San José Juan Santamaria Intl

Sun 5/17

12:53 am-11:50 am

2 stops35h 57m

$403

MedfordSan José

MFR - SJO

MFRSJO

Medford

Tue 5/5

5:10 am-11:45 pm

2 stops17h 35m

San José Juan Santamaria Intl

Wed 5/6

12:55 am-7:04 pm

2 stops19h 09m

$405

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Mon 5/4

7:33 pm-11:45 pm

2 stops27h 12m

San José Juan Santamaria Intl

Wed 5/6

12:55 am-12:49 pm

1 stop12h 54m

$405

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 9/1

7:13 am-7:37 pm

1 stop11h 24m

San José Juan Santamaria Intl

Mon 9/14

8:45 am-11:00 pm

1 stop15h 15m

$406

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Sun 5/10

6:00 am-11:45 pm

2 stops16h 45m

San José Juan Santamaria Intl

Sun 5/17

12:53 am-12:59 pm

2 stops37h 06m

$418
Quickest round-trip

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sat 4/25

3:30 pm-7:15 am

1 stop14h 45m

San José Juan Santamaria Intl

Thu 4/30

1:25 pm-10:59 pm

1 stop10h 34m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Oregon to Costa Rica (average of $219). Flying from Oregon to Costa Rica in June is currently the most expensive (average of $399). 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.

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 02m. There are 3308 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?

    $121 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $121 and $148, 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, November is the cheapest month in which you can book a flight from Oregon to Costa Rica (average of $219). Flying from Oregon to Costa Rica in June is currently the most expensive (average of $399). 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

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Alternative routes for Oregon to Costa Rica

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

Top 5 airlines flying from Oregon to Costa Rica

Discover the top 5 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 March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$275Average$541FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$554FlexibilityNo cancel feeOn-time69%
DeltaCheapest$287Average$465FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$295Average$591FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$537Average$715FlexibilityNo cancel feeOn-time63%

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