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$118+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$441
(SmartFares)

One-way from

$118
(FlightHub)

Popular in

December

Cheapest in

November

Average price

$657
Provider with most accurate pricing for Portland-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-San José Juan Santamaria Intl flights.
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From Oregon to Costa Rica
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One-way flight from Oregon to Costa Rica
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This SmartFares deal was found by Cheapflights users on 2/20. 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.
Wed 3/55:37 pmPDX - LIR
1 stop11h 03mAlaska Airlines
Wed 3/126:02 pmLIR - PDX
1 stop15h 34mAlaska Airlines
Deal found 2/20$441
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 3/110:55 pmPDX - LIR
1 stop11h 25mAmerican Airlines
Fri 3/1412:13 pmLIR - PDX
1 stop11h 47mAmerican Airlines
Deal found 2/20$455
This United Airlines deal was found by Cheapflights users on 2/20. 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 6/41:55 pmRDM - SJO
1 stop16h 20mUnited Airlines
Wed 6/118:45 amSJO - RDM
1 stop14h 51mUnited Airlines
Deal found 2/20$488
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 5/201:32 pmBOI - SJO
1 stop8h 45mAmerican Airlines
Thu 5/2911:59 pmSJO - BOI
1 stop12h 30mAmerican Airlines
Deal found 2/19$488
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/265:15 pmBOI - LIR
2 stops17h 58mAmerican Airlines
Wed 4/162:05 pmLIR - BOI
2 stops23h 16mAmerican Airlines
Deal found 2/18$492
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/161:31 pmBOI - SJO
3 stops44h 54mSpirit Airlines
Mon 3/2412:50 amSJO - BOI
3 stops35h 46mSpirit Airlines
Deal found 2/19$495
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/252:05 pmPDX - SJO
2 stops14h 42mDelta
Wed 4/27:25 amSJO - PDX
2 stops17h 34mDelta
Deal found 2/19$499
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/294:53 pmPDX - SJO
3 stops29h 57mSpirit Airlines
Sat 4/512:26 pmSJO - PDX
2 stops22h 54mSpirit Airlines
Deal found 2/20$503
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/710:20 pmPDX - SJO
1 stop22h 52mMultiple Airlines
Sun 3/912:26 pmSJO - PDX
3 stops31h 11mMultiple Airlines
Deal found 2/19$507
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/107:21 pmPDX - LIR
2 stops18h 47mUnited Airlines
Mon 3/1711:50 amLIR - PDX
1 stop12h 05mUnited Airlines
Deal found 2/20$507
This Travelocity deal was found by Cheapflights users on 2/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amRDM - SJO
2 stops23h 40mMultiple Airlines
Thu 11/138:30 pmSJO - RDM
3 stops27h 37mMultiple Airlines
Deal found 2/19$507
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/161:31 pmBOI - SJO
3 stops44h 54mMultiple Airlines
Tue 3/253:31 pmSJO - BOI
3 stops21h 05mMultiple Airlines
Deal found 2/19$510

Find flights from Oregon to Costa Rica within your budget

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 February 20, 2025.

Fly from

Oregon

Fly to

Costa Rica

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 3/5

5:37 pm-6:40 am

1 stop11h 03m

Liberia

Wed 3/12

6:02 pm-8:36 am

1 stop15h 34m

$441

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 3/1

10:55 pm-12:20 pm

1 stop11h 25m

Liberia

Fri 3/14

12:13 pm-11:00 pm

1 stop11h 47m

$455

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 5/20

1:32 pm-10:17 pm

1 stop8h 45m

San José Juan Santamaria Intl

Thu 5/29

11:59 pm-12:29 pm

1 stop12h 30m

$488

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

Wed 3/26

5:15 pm-11:13 am

2 stops17h 58m

Liberia

Wed 4/16

2:05 pm-1:21 pm

2 stops23h 16m

$492

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sun 3/16

1:31 pm-10:25 am

3 stops44h 54m

San José Juan Santamaria Intl

Mon 3/24

12:50 am-12:36 pm

3 stops35h 46m

$495

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 3/25

2:05 pm-5:47 am

2 stops14h 42m

San José Juan Santamaria Intl

Thu 4/3

7:25 am-11:56 pm

2 stops17h 31m

$499

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sat 3/29

4:53 pm-11:50 pm

3 stops29h 57m

San José Juan Santamaria Intl

Sat 4/5

12:26 pm-10:20 am

2 stops22h 54m

$503

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 4/19

7:35 pm-12:10 pm

2 stops15h 35m

Liberia

Wed 4/23

1:20 pm-11:14 pm

1 stop10h 54m

$505

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 3/7

10:20 pm-11:12 pm

1 stop22h 52m

San José Juan Santamaria Intl

Sun 3/9

12:26 pm-6:37 pm

3 stops31h 11m

$507

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sun 3/16

1:31 pm-10:25 am

3 stops44h 54m

San José Juan Santamaria Intl

Tue 3/25

3:31 pm-12:36 pm

3 stops21h 05m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 48 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.

Travel insights for flights from Oregon to Costa Rica

Get recent, data-driven insights about flights from Oregon to Costa Rica including ideal travel times, pricing trends, and more.

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 $555). 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 February 20, 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.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Oregon to Costa Rica to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Copa Airlines
7.6
Good
1,510 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

SWISS
7.5
Good
1,568 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    $118 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $195 and $205, 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 $555). 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$227Average$347FlexibilityNo cancel feeOn-time65%
DeltaCheapest$407Average$559FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$410Average$671FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$425Average$667FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$453Average$740FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$474Average$680FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$743Average$972FlexibilityNo cancel feeOn-time70%
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