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$122+ Cheap flights from Portland (PDX) 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Portland to Costa Rica

Keep the following information in mind while searching for Portland to Costa Rica flight deals. Data was last updated July 30, 2025.

Round-trip from

$276
(Alaska Airlines)

One-way from

$122
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$593
From Portland to Costa Rica
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One-way flight from Portland to Costa Rica
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Highest demand for flights based on searches. 7% potential increase in price ($49 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 July 2025
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Find flight deals from Portland to Costa Rica

Cheapest flights from Portland to Costa Rica
Explore the most affordable flight options available from Portland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:33 pmPDX - SJO
1 stop10h 18mAlaska Airlines
Tue 11/111:58 amSJO - PDX
1 stop13h 52mAlaska Airlines
Deal found 7/29$276
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:58 pmPDX - SJO
2 stops12h 22mAmerican Airlines
Sat 10/256:44 amSJO - PDX
2 stops13h 43mAmerican Airlines
Deal found 7/29$280
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:35 pmPDX - LIR
1 stop11h 45mAlaska Airlines
Thu 9/2511:20 amLIR - PDX
1 stop10h 10mAlaska Airlines
Deal found 7/27$313
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:10 pmPDX - SJO
1 stop12h 46mDelta
Fri 11/147:00 amSJO - PDX
1 stop17h 32mDelta
Deal found 7/29$336
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/1311:59 pmPDX - LIR
1 stop9h 01mUnited Airlines
Mon 8/183:25 pmLIR - PDX
2 stops19h 03mUnited Airlines
Deal found 7/28$337
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 10/163:50 pmPDX - SJO
1 stop14h 25mUnited Airlines
Fri 10/247:55 amSJO - PDX
1 stop12h 18mUnited Airlines
Deal found 7/29$348
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:00 amPDX - LIR
1 stop27h 01mAmerican Airlines
Sat 10/42:02 pmLIR - PDX
1 stop29h 53mAmerican Airlines
Deal found 7/29$350
This Delta deal was found by Cheapflights users on 7/28. 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 9/145:01 pmPDX - LIR
2 stops17h 59mDelta
Wed 9/241:25 pmLIR - PDX
2 stops20h 30mDelta
Deal found 7/28$408
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:21 pmPDX - SJO
2 stops22h 52mMultiple Airlines
Wed 9/107:30 amSJO - PDX
2 stops28h 42mMultiple Airlines
Deal found 7/30$421

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 July 30, 2025.
Use the filters below to find and compare flights from Portland to Costa Rica that are best for you.

Fly from

Portland

Fly to

Costa Rica

Route

Depart

Return

Price

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 10/13

11:59 pm-6:16 pm

1 stop17h 17m

San José Juan Santamaria Intl

Tue 10/21

6:44 am-11:29 pm

1 stop17h 45m

$276

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 10/28

10:30 am-11:51 pm

1 stop12h 21m

San José Juan Santamaria Intl

Wed 11/12

1:58 am-8:50 pm

1 stop20h 52m

$306

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 9/17

5:35 pm-6:20 am

1 stop11h 45m

Liberia

Thu 9/25

11:20 am-8:30 pm

1 stop10h 10m

$313

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 8/13

11:59 pm-10:00 am

1 stop9h 01m

Liberia

Mon 8/18

3:25 pm-9:28 am

2 stops19h 03m

$337

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 10/28

10:10 pm-11:56 am

1 stop12h 46m

San José Juan Santamaria Intl

Tue 11/11

2:17 pm-7:28 pm

2 stops31h 11m

$340

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 9/27

7:39 am-1:01 pm

1 stop28h 22m

Liberia

Sat 10/4

12:25 pm-9:55 am

2 stops22h 30m

$345

PortlandSan José

PDX - SJO

PDXSJO

Portland

Thu 10/16

3:50 pm-7:15 am

1 stop14h 25m

San José Juan Santamaria Intl

Fri 10/24

7:55 am-7:13 pm

1 stop12h 18m

$348

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 9/14

5:01 pm-12:00 pm

2 stops17h 59m

Liberia

Wed 9/24

1:25 pm-8:55 am

2 stops20h 30m

$408

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 9/1

3:21 pm-3:13 pm

2 stops22h 52m

San José Juan Santamaria Intl

Wed 9/10

7:30 am-11:12 am

2 stops28h 42m

$421

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 8/12

3:10 pm-11:12 am

2 stops19h 02m

San José Juan Santamaria Intl

Tue 8/19

12:18 pm-6:57 pm

3 stops31h 39m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 24 results
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Best time to book a flight from Portland to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Portland 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 Portland to Costa Rica

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

Currently, September is the cheapest month in which you can book a flight from Portland to Costa Rica (average of $398). Flying from Portland 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 PDX to CR?

Find hourly flight availability from Portland 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 July 30, 2025.

When flying from Portland to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Portland to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,048 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 airport do you fly from for flights from Portland to Costa Rica?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Costa Rica. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $122. Users have also found prices from $128 and $141 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Portland to Costa Rica (average of $398). Flying from Portland 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

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Alternative routes for Portland to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Portland to San José flights
Portland to Panama City flights
Portland to Philip S.W.Goldson flights
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Portland to Guatemala City flights
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Redmond to Philip S.W.Goldson flights
Boise to Panama City flights
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Portland to Managua flights
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Portland to San Pedro Sula flights
Boise to San Salvador flights
Medford to San José flights
Redmond to Liberia flights
Boise to Guatemala City flights
Medford to Panama City flights
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Redmond to San Salvador flights
Medford to Managua flights
Redmond to Managua flights
Boise to Coxen Hole flights
Redmond to Coxen Hole flights
Portland to Flores flights
Redmond to San Pedro Sula flights
North Bend to San José flights
North Bend to Liberia flights
Medford to Liberia flights
Eugene to Managua flights
Eugene to Guatemala City flights

Top 7 airlines flying from Portland to Costa Rica

Discover the top 7 airlines that operate flights from Portland 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$204Average$359FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$359Average$632FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$384Average$606FlexibilityNo cancel feeOn-time75%
DeltaCheapest$390Average$660FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$409Average$667FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$484Average$703FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$775Average$1,337FlexibilityNo cancel feeOn-time70%

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