Costa Rica

$128+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SJO
Mar 8 — Mar 151
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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 March 3, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$465
(American Airlines)

One-way from

$128
(FlightHub)

Popular in

December

Cheapest in

November

Average price

$869
Provider with most accurate pricing for Portland-Costa Rica flight deals.
Provider most trusted by Cheapflights users for Portland-Costa Rica flights.
From Portland to Costa Rica
One-way flight from Portland to Costa Rica
Highest demand for flights based on searches. 3% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 3, 2025.

This American Airlines deal was found by Cheapflights users on 3/2. 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 3/2611:59 pmPDX - LIR
1 stop10h 14mAmerican Airlines
Wed 4/212:53 pmLIR - PDX
1 stop11h 18mAmerican Airlines
Deal found 3/2$465
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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 3/109:16 pmPDX - LIR
1 stop18h 36mAlaska Airlines
Wed 3/196:06 pmLIR - PDX
1 stop18h 24mAlaska Airlines
Deal found 3/2$469
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/106:23 pmPDX - LIR
1 stop20h 02mUnited Airlines
Thu 4/241:20 pmLIR - PDX
2 stops21h 27mUnited Airlines
Deal found 3/2$482
This Delta deal was found by Cheapflights users on 3/3. 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 3/114:54 pmPDX - SJO
1 stop11h 53mDelta
Thu 3/207:25 amSJO - PDX
1 stop12h 20mDelta
Deal found 3/3$493
This American Airlines deal was found by Cheapflights users on 3/3. 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 5/275:26 amPDX - SJO
1 stop15h 51mAmerican Airlines
Sun 6/111:59 pmSJO - PDX
1 stop19h 42mAmerican Airlines
Deal found 3/3$495
This FlightHub deal was found by Cheapflights users on 3/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/286:50 pmPDX - SJO
2 stops14h 35mSpirit Airlines
Sun 4/611:55 amSJO - PDX
2 stops23h 25mSpirit Airlines
Deal found 3/3$499
This Delta deal was found by Cheapflights users on 3/2. 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 4/117:29 pmPDX - LIR
2 stops13h 36mDelta
Thu 4/241:02 pmLIR - PDX
2 stops21h 06mDelta
Deal found 3/2$499
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 3/292:15 pmPDX - SJO
1 stop18h 56mUnited Airlines
Thu 4/37:55 amSJO - PDX
2 stops35h 38mUnited Airlines
Deal found 3/1$503
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Wed 4/162:32 pmPDX - SJO
3 stops19h 46mMultiple Airlines
Mon 4/285:30 amSJO - PDX
3 stops37h 35mMultiple Airlines
Deal found 3/2$507
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Sun 3/91:44 pmPDX - SJO
1 stop9h 06mAlaska Airlines
Thu 3/201:22 amSJO - PDX
1 stop20h 56mAlaska Airlines
Deal found 3/3$550
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:50 amPDX - SJO
2 stops11h 50mSouthwest
Sun 3/98:45 amSJO - PDX
2 stops16h 50mSouthwest
Deal found 3/2$582
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Thu 4/107:01 pmPDX - LIR
2 stops18h 59mMultiple Airlines
Thu 4/246:40 amLIR - PDX
3 stops27h 32mMultiple Airlines
Deal found 3/2$663

Find flights from Portland to Costa Rica within your budget

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 March 3, 2025.

Fly from

Portland

Fly to

Costa Rica

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 3/26

11:59 pm-11:13 am

1 stop10h 14m

Liberia

Wed 4/2

12:53 pm-11:11 pm

1 stop11h 18m

$465

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 4/10

6:23 pm-3:25 pm

1 stop20h 02m

Liberia

Thu 4/24

11:49 am-10:48 pm

1 stop11h 59m

$477

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 5/25

10:30 am-6:20 am

1 stop18h 50m

Liberia

Tue 6/3

11:20 am-11:59 pm

1 stop13h 39m

$487

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 5/27

5:26 am-10:17 pm

1 stop15h 51m

San José Juan Santamaria Intl

Sun 6/1

11:59 pm-6:41 pm

1 stop19h 42m

$495

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 5/2

11:19 pm-11:55 am

1 stop11h 36m

San José Juan Santamaria Intl

Sat 5/10

7:25 am-11:59 pm

2 stops17h 34m

$497

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 3/28

6:50 pm-10:25 am

2 stops14h 35m

San José Juan Santamaria Intl

Sun 4/6

11:55 am-10:20 am

2 stops23h 25m

$499

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Fri 4/11

5:10 pm-10:05 am

2 stops15h 55m

Liberia

Wed 4/23

1:02 pm-9:08 am

2 stops21h 06m

$499

PortlandSan José

PDX - SJO

PDXSJO

Portland

Wed 3/26

2:15 pm-7:39 pm

1 stop28h 24m

San José Juan Santamaria Intl

Thu 4/3

7:55 am-6:33 pm

2 stops35h 38m

$502

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sun 4/13

11:36 am-12:12 am

1 stop11h 36m

San José Juan Santamaria Intl

Tue 4/29

1:12 am-1:25 pm

1 stop13h 13m

$506

PortlandSan José

PDX - SJO

PDXSJO

Portland

Wed 4/16

2:32 pm-11:18 am

3 stops19h 46m

San José Juan Santamaria Intl

Mon 4/28

5:30 am-6:05 pm

3 stops37h 35m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 25 results
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  • Most accurate provider: When it comes to deals on Portland-Costa Rica flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Portland-Costa Rica flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Portland-Costa Rica flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Costa Rica flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Costa Rica flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Portland to Costa Rica

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

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 March 3, 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.

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 March 3, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Copa Airlines from Portland to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

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

8.0
Very good

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

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

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 Spirit Airlines. According to our data, you can fly for as low as $128. Users have also found prices from $153 and $161 on Alaska Airlines and American 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$226Average$357FlexibilityNo cancel feeOn-time65%
DeltaCheapest$404Average$583FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$409Average$656FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$429Average$662FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$474Average$685FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$475Average$714FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$743Average$1,107FlexibilityNo cancel feeOn-time70%
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