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

$165 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 Alaska Airlines and Delta, with prices starting from $208 and $210, respectively.

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

Users have found that booking a flight from Oregon to Costa Rica at least 27 days early can save you up to 46% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from Oregon to Costa Rica for as little as $695 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $824 for flights departing within the next 3 days.

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

Flights from Oregon to Costa Rica lean towards being more expensive in December. Prices are generally better when you fly from Oregon to Costa Rica in November, with the cheapest ticket starting at $403.

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.

$406+ Flights from Oregon to Costa Rica

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Cheap flight deals from Oregon to Costa Rica

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$347 (Alaska Airlines)
One-way from	$165 (American Airlines)
Popular in	December
Cheapest in	November
Average price	$667

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. 3% potential increase in price ($21 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 2, 2025.

Thu 5/87:10 pmBOI - SJO

2 stops17h 16mUnited Airlines

Tue 5/278:45 amSJO - BOI

1 stop12h 59mUnited Airlines

Deal found 4/1

$329

Wed 5/146:30 amBOI - SJO

2 stops17h 22mAlaska Airlines

Tue 5/201:06 amSJO - BOI

2 stops22h 53mAlaska Airlines

Deal found 4/1

$347

Tue 5/67:14 amBOI - SJO

1 stop15h 03mAmerican Airlines

Wed 5/1411:59 pmSJO - BOI

1 stop22h 01mAmerican Airlines

Deal found 4/2

$382

Mon 5/55:27 amRDM - SJO

2 stops17h 25mAlaska Airlines

Mon 5/191:06 amSJO - RDM

2 stops18h 45mAlaska Airlines

Deal found 4/1

$400

Sun 5/252:12 pmMFR - SJO

1 stop16h 03mUnited Airlines

Sun 6/88:45 amSJO - MFR

1 stop14h 30mUnited Airlines

Deal found 4/1

$406

Sun 5/255:48 pmMFR - SJO

2 stops28h 58mAlaska Airlines

Sat 6/71:06 amSJO - MFR

1 stop17h 17mAlaska Airlines

Deal found 4/1

$408

Sat 5/311:30 amEUG - SJO

2 stops17h 40mDelta

Sat 5/107:25 amSJO - EUG

2 stops16h 50mDelta

Deal found 4/1

$420

Sat 5/35:59 pmBOI - SJO

2 stops12h 11mDelta

Sat 5/107:25 amSJO - BOI

2 stops16h 47mDelta

Deal found 4/1

$420

Tue 4/294:54 pmPDX - SJO

1 stop12h 03mDelta

Sat 5/32:53 pmSJO - PDX

2 stops19h 15mDelta

Deal found 4/1

$448

Fri 5/166:33 pmPDX - SJO

1 stop28h 13mAlaska Airlines

Thu 5/221:06 amSJO - PDX

1 stop33h 22mAlaska Airlines

Deal found 4/1

$450

Tue 4/227:01 pmPDX - SJO

2 stops14h 23mMultiple Airlines

Mon 4/281:12 amSJO - PDX

1 stop20h 25mMultiple Airlines

Deal found 4/1

$455

Fri 4/115:00 amRDM - SJO

1 stop15h 15mUnited Airlines

Thu 4/171:30 pmSJO - RDM

2 stops23h 47mUnited Airlines

Deal found 4/1

$458

Best flights from Oregon to Costa Rica
Discover carefully curated flight deals from Oregon to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2025.

Wed 5/146:30 amBOI - SJO

2 stops17h 22mAlaska Airlines

Tue 5/201:06 amSJO - BOI

2 stops22h 53mAlaska Airlines

Deal found 4/1

$347

Thu 5/157:10 pmBOI - SJO

2 stops17h 16mUnited Airlines

Tue 6/38:45 amSJO - BOI

1 stop12h 59mUnited Airlines

Deal found 4/1

$374

Tue 5/67:14 amBOI - SJO

1 stop15h 03mAmerican Airlines

Wed 5/1411:59 pmSJO - BOI

1 stop22h 01mAmerican Airlines

Deal found 4/1

$382

Sat 5/311:30 amEUG - SJO

2 stops17h 40mDelta

Sat 5/107:25 amSJO - EUG

2 stops16h 50mDelta

Deal found 4/1

$420

Tue 4/227:01 pmPDX - SJO

2 stops14h 23mMultiple Airlines

Mon 4/281:12 amSJO - PDX

1 stop20h 25mMultiple Airlines

Deal found 4/1

$455

Tue 4/227:01 pmPDX - SJO

2 stops14h 23mSpirit Airlines

Sat 5/312:23 pmSJO - PDX

2 stops22h 34mSpirit Airlines

Deal found 4/1

$464

Fri 6/209:05 pmPDX - LIR

2 stops14h 40mSouthwest

Sun 6/2911:50 amLIR - PDX

2 stops14h 20mSouthwest

Deal found 4/1

$590

Thu 6/261:45 pmPDX - LIR

2 stops21h 39mWestJet

Fri 7/257:05 amLIR - PDX

1 stop30h 47mWestJet

Deal found 4/1

$692

Thu 8/2111:59 pmPDX - LIR

1 stop12h 11mAmerican Airlines

Tue 8/262:10 pmLIR - PDX

2 stops20h 48mAmerican Airlines

Deal found 4/2

$385

Mon 5/55:27 amRDM - SJO

2 stops17h 25mAlaska Airlines

Mon 5/191:06 amSJO - RDM

2 stops18h 45mAlaska Airlines

Deal found 4/1

$400

Sun 5/252:12 pmMFR - SJO

1 stop16h 03mUnited Airlines

Sun 6/88:45 amSJO - MFR

1 stop14h 30mUnited Airlines

Deal found 4/1

$406

Sat 5/35:59 pmBOI - SJO

2 stops12h 11mDelta

Sat 5/107:25 amSJO - BOI

2 stops16h 47mDelta

Deal found 4/1

$420

Last-minute flights from Oregon to Costa Rica
Discover last-minute flight deals from Oregon to Costa Rica. Data last updated April 2, 2025 and is based on user searches.

Mon 4/712:59 amPDX - LIR

2 stops11h 21mDelta

Tue 4/151:02 pmLIR - PDX

2 stops21h 06mDelta

Deal found 4/2

$561

Tue 4/85:53 pmPDX - LIR

2 stops16h 27mAmerican Airlines

Tue 4/152:05 pmLIR - PDX

2 stops21h 33mAmerican Airlines

Deal found 4/1

$473

Tue 4/89:40 amBOI - SJO

2 stops14h 32mAlaska Airlines

Mon 4/141:22 amSJO - BOI

2 stops16h 38mAlaska Airlines

Deal found 4/2

$563

Fri 4/115:00 amRDM - SJO

1 stop15h 15mUnited Airlines

Thu 4/171:30 pmSJO - RDM

2 stops23h 47mUnited Airlines

Deal found 4/1

$458

Fri 4/116:23 pmPDX - LIR

2 stops17h 07mUnited Airlines

Thu 4/1711:49 amLIR - PDX

1 stop11h 59mUnited Airlines

Deal found 4/1

$469

Fri 4/117:00 pmBOI - LIR

2 stops17h 30mUnited Airlines

Thu 4/1711:49 amLIR - BOI

1 stop9h 33mUnited Airlines

Deal found 3/31

$497

Fri 4/111:52 pmRDM - LIR

2 stops21h 38mUnited Airlines

Thu 4/1711:49 amLIR - RDM

1 stop10h 34mUnited Airlines

Deal found 4/1

$497

Fri 4/117:01 pmPDX - SJO

3 stops39h 17mSpirit Airlines

Thu 4/1712:23 pmSJO - PDX

2 stops21h 49mSpirit Airlines

Deal found 4/1

$499

Fri 4/1111:22 pmPDX - SJO

1 stop22h 52mMultiple Airlines

Thu 4/1712:23 pmSJO - PDX

2 stops21h 49mMultiple Airlines

Deal found 4/1

$541

Fri 4/1110:34 pmPDX - SJO

1 stop18h 50mAmerican Airlines

Thu 4/176:05 amSJO - PDX

1 stop18h 23mAmerican Airlines

Deal found 4/1

$548

Fri 4/115:00 amEUG - SJO

1 stop15h 15mUnited Airlines

Thu 4/171:30 pmSJO - EUG

2 stops24h 32mUnited Airlines

Deal found 4/1

$548

Fri 4/112:25 pmPDX - SJO

1 stop18h 46mUnited Airlines

Thu 4/171:30 pmSJO - PDX

1 stop10h 44mUnited Airlines

Deal found 3/31

$556

One-way flights from Oregon to Costa Rica
Search for one-way flight options from Oregon to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 2, 2025.

Sat 9/611:59 pmPDX - LIR

1 stop12h 02mAmerican Airlines

Deal found 4/2

$165

Tue 4/85:55 amMFR - SJO

2 stops17h 17mAlaska Airlines

Deal found 3/30

$208

Sun 4/1311:00 pmPDX - SJO

1 stop11h 55mDelta

Deal found 4/1

$210

Sun 4/132:32 pmPDX - SJO

2 stops21h 24mMultiple Airlines

Deal found 4/1

$219

Fri 9/57:55 pmPDX - LIR

2 stops14h 46mDelta

Deal found 4/2

$232

Sun 4/62:03 pmMFR - SJO

2 stops19h 08mUnited Airlines

Deal found 3/31

$238

Thu 4/105:20 amMFR - SJO

2 stops12h 04mAmerican Airlines

Deal found 3/30

$253

Thu 6/1912:59 amPDX - SJO

1 stop11h 15mAmerican Airlines

Deal found 4/1

$262

Thu 7/174:01 pmRDM - LIR

2 stops13h 19mAlaska Airlines

Deal found 4/2

$277

Sun 4/137:01 pmPDX - SJO

3 stops27h 49mSpirit Airlines

Deal found 4/1

$295

Fri 9/512:54 pmPDX - LIR

1 stop22h 16mUnited Airlines

Deal found 4/2

$297

Fri 6/275:10 amPDX - SJO

2 stops13h 30mSouthwest

Deal found 4/1

$312

Cheapflights Fare Finder

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

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 5/8

7:10 pm-12:26 pm

2 stops17h 16m

San José Juan Santamaria Intl

Tue 5/27

8:45 am-9:44 pm

1 stop12h 59m

$329

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 5/14

6:30 am-11:52 pm

2 stops17h 22m

San José Juan Santamaria Intl

Tue 5/20

1:06 am-11:59 pm

2 stops22h 53m

$347

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 5/6

7:14 am-10:17 pm

1 stop15h 03m

San José Juan Santamaria Intl

Wed 5/14

11:59 pm-10:00 pm

1 stop22h 01m

$382

RedmondSan José

RDM - SJO

RDMSJO

Bend/Redmond

Mon 5/5

5:27 am-11:52 pm

2 stops17h 25m

San José Juan Santamaria Intl

Mon 5/19

1:06 am-6:51 pm

2 stops18h 45m

$400

MedfordSan José

MFR - SJO

MFRSJO

Medford

Sun 5/25

2:12 pm-7:15 am

1 stop16h 03m

San José Juan Santamaria Intl

Sun 6/8

8:45 am-10:15 pm

1 stop14h 30m

$406

MedfordSan José

MFR - SJO

MFRSJO

Medford

Sun 5/25

5:48 pm-11:46 pm

2 stops28h 58m

San José Juan Santamaria Intl

Sat 6/7

1:06 am-5:23 pm

1 stop17h 17m

$408

EugeneSan José

EUG - SJO

EUGSJO

Eugene

Sat 5/3

11:30 am-6:10 am

2 stops17h 40m

San José Juan Santamaria Intl

Sat 5/10

7:25 am-11:15 pm

2 stops16h 50m

$420

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 5/3

5:59 pm-6:10 am

2 stops12h 11m

San José Juan Santamaria Intl

Sat 5/10

7:25 am-12:12 am

2 stops16h 47m

$420

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 4/29

1:35 pm-5:57 am

2 stops15h 22m

San José Juan Santamaria Intl

Sat 5/3

1:20 pm-9:08 am

2 stops20h 48m

$448

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 5/16

6:33 pm-11:46 pm

1 stop28h 13m

San José Juan Santamaria Intl

Thu 5/22

1:06 am-9:28 am

1 stop33h 22m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 41 results

...

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 $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?

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

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

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

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,820 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,272 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,898 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

SWISS

7.5

Good

1,572 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,616 reviews

Alaska Airlines

8.0

Very good

9,820 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Oregon to Costa Rica one-way?
$165 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 Alaska Airlines and Delta, with prices starting from $208 and $210, 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

Alternative routes for Oregon to Costa Rica

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Top 7 airlines flying from Oregon to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$227	Average$359	FlexibilityNo cancel fee	On-time65%
Alaska Airlines	Cheapest$347	Average$663	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$390	Average$600	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$409	Average$679	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$453	Average$728	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$474	Average$685	FlexibilityNo cancel fee	On-time63%
Copa Airlines	Cheapest$775	Average$1,335	FlexibilityNo cancel fee	On-time70%

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$152+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oregon to Costa Rica with Cheapflights

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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 April 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Oregon to Costa Rica

Cheapest flights from Oregon to Costa RicaExplore 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 April 2, 2025.

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 April 2, 2025.

Cheapflights Fare Finder

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

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.

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?

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 April 2, 2025.

Rainfall in Costa Rica by month

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

Temperature in Costa Rica by month

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

Reviews of airlines servicing Costa Rica

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.

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?

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

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

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

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

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.

Top 7 airlines flying from Oregon to Costa Rica

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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 April 2, 2025.