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$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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 11/47:00 amPDX - SJO
1 stop11h 39mUnited Airlines
Wed 11/129:40 amSJO - PDX
1 stop10h 56mUnited Airlines
Deal found 10/28$276
This SmartFares deal was found by Cheapflights users on 10/28. 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.
Tue 11/412:33 pmPDX - SJO
1 stop10h 05mAlaska Airlines
Tue 11/111:55 amSJO - PDX
1 stop16h 55mAlaska Airlines
Deal found 10/28$294
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/97:50 pmRDM - SJO
1 stop10h 42mUnited Airlines
Wed 12/249:40 amSJO - RDM
1 stop15h 17mUnited Airlines
Deal found 10/29$298
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/127:00 pmBOI - SJO
2 stops15h 25mUnited Airlines
Wed 11/199:40 amSJO - BOI
1 stop10h 14mUnited Airlines
Deal found 10/28$298
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/167:00 pmBOI - SJO
1 stop12h 32mUnited Airlines
Sun 11/238:45 amSJO - BOI
2 stops15h 43mUnited Airlines
Deal found 10/29$302
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/123:54 pmPDX - SJO
1 stop14h 38mUnited Airlines
Sat 11/152:20 pmSJO - PDX
1 stop10h 25mUnited Airlines
Deal found 10/29$306
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:15 amPDX - SJO
1 stop30h 15mMultiple Airlines
Wed 12/37:45 amSJO - PDX
1 stop15h 05mMultiple Airlines
Deal found 10/29$308
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/116:00 amPDX - SJO
2 stops12h 39mUnited Airlines
Sat 11/158:45 amSJO - PDX
2 stops13h 53mUnited Airlines
Deal found 10/28$310
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:45 amPDX - SJO
1 stop18h 15mDelta
Wed 12/107:00 amSJO - PDX
1 stop14h 35mDelta
Deal found 10/28$316
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/118:08 amBOI - SJO
1 stop15h 30mAlaska Airlines
Mon 11/171:55 amSJO - BOI
1 stop12h 45mAlaska Airlines
Deal found 10/28$316
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:20 pmPDX - SJO
2 stops21h 00mDelta
Wed 12/177:00 amSJO - PDX
1 stop17h 19mDelta
Deal found 10/28$320
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/118:08 amBOI - SJO
1 stop15h 30mAlaska Airlines
Tue 11/181:55 amSJO - BOI
1 stop22h 07mAlaska Airlines
Deal found 10/30$322

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$276
(United Airlines)

One-way from

$122
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$426
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.
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From Oregon to Costa Rica
Search Deals
One-way flight from Oregon to Costa Rica
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 30, 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

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Tue 12/9

7:50 pm-8:32 am

1 stop10h 42m

San José Juan Santamaria Intl

Wed 12/24

9:40 am-10:57 pm

1 stop15h 17m

$298

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 11/15

8:25 am-10:00 pm

1 stop12h 35m

San José Juan Santamaria Intl

Wed 11/19

9:40 am-6:54 pm

1 stop10h 14m

$298

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sun 11/16

7:00 pm-8:32 am

1 stop12h 32m

San José Juan Santamaria Intl

Sun 11/23

9:40 am-11:28 pm

1 stop14h 48m

$298

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 11/12

2:40 pm-8:32 am

1 stop16h 52m

San José Juan Santamaria Intl

Wed 11/19

9:40 am-6:54 pm

1 stop10h 14m

$298

MedfordSan José

MFR - SJO

MFRSJO

Medford

Sun 2/1

6:25 pm-1:15 pm

2 stops16h 50m

San José Juan Santamaria Intl

Wed 2/11

6:30 am-5:42 pm

2 stops13h 12m

$302

PortlandSan José

PDX - SJO

PDXSJO

Portland

Thu 11/13

10:30 am-12:38 am

1 stop12h 08m

San José Juan Santamaria Intl

Mon 11/17

1:55 am-11:35 am

1 stop11h 40m

$316

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 11/11

8:08 am-12:38 am

1 stop15h 30m

San José Juan Santamaria Intl

Mon 11/17

1:55 am-1:40 pm

1 stop12h 45m

$316

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 11/11

8:08 am-12:38 am

1 stop15h 30m

San José Juan Santamaria Intl

Tue 11/18

1:55 am-1:40 pm

1 stop12h 45m

$316

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 12/5

10:45 am-7:00 am

1 stop18h 15m

San José Juan Santamaria Intl

Thu 12/11

2:31 pm-9:50 am

2 stops21h 19m

$320

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 11/14

12:35 am-10:07 pm

2 stops19h 32m

San José Juan Santamaria Intl

Tue 11/18

7:00 am-10:21 pm

1 stop17h 21m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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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 $231). 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.

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 October 30, 2025.

It’s optimal to fly from Oregon to Costa Rica at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Oregon to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Costa Rica. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Costa Rica flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 10h 42m. There are 3229 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 American Airlines and Delta, with prices starting from $122 and $157, 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 $231). 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

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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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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$204Average$359FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$290Average$636FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$301Average$622FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$331Average$649FlexibilityNo cancel feeOn-time71%
DeltaCheapest$365Average$665FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$502Average$715FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$775Average$1,337FlexibilityNo cancel feeOn-time70%

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