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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $142. Users have also found prices from $157 and $182 on Alaska Airlines and Delta, respectively.

What are the most popular airlines that fly from Portland to Costa Rica?

The most popular airlines flying from Portland to Costa Rica are American Airlines, Alaska Airlines and Copa Airlines. Something to consider prior to booking your flight.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 39% on flights from Portland to Costa Rica compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $683. For sooner than that we have options available in the next 3 days from $683.

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

November can be a great time to fly to Costa Rica from Portland with a flight ticket averaging about $682. Cheapflights users have found deals in the month of November for as cheap as $375. The most expensive prices can be found in the month of December.

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.

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.

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.

$483+ Flights from Portland to Costa Rica

Q: E

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.

Q: E

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).

Q: What is the cheapest time of day to fly from PDX to CR?

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.

Q: E

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.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Portland to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Portland to Costa Rica

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$415 (Alaska Airlines)
One-way from	$142 (American Airlines)
Popular in	December
Cheapest in	November
Average price	$682

Provider with most accurate pricing for Portland-Costa Rica flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Costa Rica flights.

Search Deals

From Portland to Costa Rica

Search Deals

One-way flight from Portland to Costa Rica

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 24, 2025.

Mon 8/1112:31 pmPDX - LIR

1 stop16h 49mAlaska Airlines

Tue 8/194:58 pmLIR - PDX

1 stop17h 27mAlaska Airlines

Deal found 4/23

$415

Thu 12/46:00 amPDX - SJO

2 stops14h 15mDelta

Mon 12/82:17 pmSJO - PDX

2 stops20h 47mDelta

Deal found 4/22

$423

Tue 5/273:42 pmPDX - SJO

1 stop14h 33mUnited Airlines

Sun 6/18:45 amSJO - PDX

1 stop25h 12mUnited Airlines

Deal found 4/23

$424

Fri 5/3010:30 amPDX - SJO

1 stop12h 16mAlaska Airlines

Sat 5/311:06 amSJO - PDX

2 stops30h 04mAlaska Airlines

Deal found 4/22

$425

Fri 5/305:40 pmPDX - SJO

2 stops16h 53mSpirit Airlines

Mon 6/212:28 pmSJO - PDX

2 stops25h 14mSpirit Airlines

Deal found 4/22

$434

Mon 8/412:59 amPDX - SJO

1 stop11h 14mAmerican Airlines

Tue 8/127:40 amSJO - PDX

1 stop14h 08mAmerican Airlines

Deal found 4/23

$436

Mon 6/211:18 pmPDX - SJO

1 stop22h 56mMultiple Airlines

Thu 6/1212:50 amSJO - PDX

1 stop24h 09mMultiple Airlines

Deal found 4/22

$449

Mon 7/149:55 pmPDX - LIR

1 stop12h 40mAmerican Airlines

Mon 7/213:45 pmLIR - PDX

1 stop19h 49mAmerican Airlines

Deal found 4/23

$469

Mon 10/275:15 amPDX - LIR

1 stop8h 53mUnited Airlines

Sat 11/111:50 amLIR - PDX

1 stop11h 48mUnited Airlines

Deal found 4/23

$495

Thu 9/45:10 pmPDX - LIR

2 stops17h 50mDelta

Sat 9/131:25 pmLIR - PDX

2 stops20h 39mDelta

Deal found 4/23

$499

Tue 6/1012:09 amPDX - LIR

2 stops12h 06mMultiple Airlines

Thu 6/193:40 pmLIR - PDX

2 stops17h 12mMultiple Airlines

Deal found 4/23

$630

Sat 6/218:15 pmPDX - LIR

2 stops15h 30mSouthwest

Sat 6/2811:50 amLIR - PDX

2 stops13h 30mSouthwest

Deal found 4/23

$696

Best flights from Portland to Costa Rica
Discover carefully curated flight deals from Portland to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Mon 8/1112:31 pmPDX - LIR

1 stop16h 49mAlaska Airlines

Tue 8/194:58 pmLIR - PDX

1 stop17h 27mAlaska Airlines

Deal found 4/23

$415

Sun 5/259:54 amPDX - SJO

1 stop20h 21mUnited Airlines

Sun 6/18:45 amSJO - PDX

1 stop25h 12mUnited Airlines

Deal found 4/24

$424

Sat 5/175:26 amPDX - SJO

2 stops29h 01mAmerican Airlines

Mon 5/266:03 amSJO - PDX

1 stop18h 04mAmerican Airlines

Deal found 4/24

$426

Mon 9/295:10 pmPDX - SJO

2 stops17h 43mDelta

Fri 12/197:00 amSJO - PDX

2 stops14h 13mDelta

Deal found 4/23

$429

Fri 5/305:40 pmPDX - SJO

2 stops16h 53mSpirit Airlines

Mon 6/212:28 pmSJO - PDX

2 stops25h 14mSpirit Airlines

Deal found 4/22

$434

Thu 6/196:39 pmPDX - SJO

2 stops14h 58mMultiple Airlines

Sun 6/2212:50 amSJO - PDX

1 stop11h 41mMultiple Airlines

Deal found 4/22

$485

Fri 5/307:10 amPDX - SJO

2 stops11h 30mSouthwest

Sat 5/3112:30 pmSJO - PDX

1 stop10h 55mSouthwest

Deal found 4/23

$612

Sat 6/281:45 pmPDX - LIR

2 stops45h 39mWestJet

Mon 7/71:25 pmLIR - PDX

2 stops24h 27mWestJet

Deal found 4/23

$719

Mon 5/127:00 amPDX - SJO

2 stops15h 52mAlaska Airlines

Tue 5/201:06 amSJO - PDX

1 stop11h 46mAlaska Airlines

Deal found 4/24

$436

Mon 7/149:55 pmPDX - LIR

1 stop12h 40mAmerican Airlines

Mon 7/213:45 pmLIR - PDX

1 stop19h 49mAmerican Airlines

Deal found 4/23

$469

Thu 9/45:10 pmPDX - LIR

2 stops17h 50mDelta

Sat 9/131:25 pmLIR - PDX

2 stops20h 39mDelta

Deal found 4/23

$499

Sat 5/35:00 amPDX - LIR

1 stop9h 25mUnited Airlines

Fri 5/1611:49 amLIR - PDX

1 stop12h 04mUnited Airlines

Deal found 4/22

$559

Last-minute flights from Portland to Costa Rica
Discover last-minute flight deals from Portland to Costa Rica. Data last updated April 24, 2025 and is based on user searches.

Wed 4/2311:19 pmPDX - SJO

1 stop11h 36mDelta

Wed 4/307:25 amSJO - PDX

1 stop12h 14mDelta

Deal found 4/22

$483

Sat 4/2611:19 pmPDX - LIR

1 stop11h 18mDelta

Fri 5/21:02 pmLIR - PDX

2 stops21h 06mDelta

Deal found 4/23

$503

Tue 4/2910:34 pmPDX - LIR

1 stop12h 00mAmerican Airlines

Wed 5/142:26 pmLIR - PDX

2 stops20h 58mAmerican Airlines

Deal found 4/23

$503

Thu 5/110:00 pmPDX - SJO

1 stop14h 05mAmerican Airlines

Fri 5/96:03 amSJO - PDX

1 stop18h 04mAmerican Airlines

Deal found 4/21

$471

Thu 5/111:02 amPDX - SJO

2 stops23h 16mSpirit Airlines

Fri 5/912:28 pmSJO - PDX

2 stops25h 14mSpirit Airlines

Deal found 4/21

$500

Fri 5/25:15 pmPDX - SJO

2 stops19h 13mDelta

Sat 5/107:25 amSJO - PDX

2 stops15h 55mDelta

Deal found 4/23

$493

Fri 5/212:59 amPDX - LIR

2 stops11h 31mDelta

Thu 5/151:25 pmLIR - PDX

2 stops20h 05mDelta

Deal found 4/22

$673

Sat 5/39:34 pmPDX - SJO

1 stop25h 18mAlaska Airlines

Mon 5/121:12 amSJO - PDX

2 stops17h 06mAlaska Airlines

Deal found 4/21

$459

Sat 5/38:45 amPDX - SJO

1 stop11h 30mUnited Airlines

Wed 5/147:55 amSJO - PDX

2 stops26h 32mUnited Airlines

Deal found 4/21

$495

Sat 5/35:39 pmPDX - LIR

1 stop11h 41mAlaska Airlines

Wed 5/1411:20 amLIR - PDX

1 stop13h 22mAlaska Airlines

Deal found 4/22

$513

Sat 5/35:00 amPDX - LIR

1 stop9h 25mUnited Airlines

Fri 5/1611:49 amLIR - PDX

1 stop12h 04mUnited Airlines

Deal found 4/22

$559

Sat 5/36:15 amPDX - SJO

2 stops37h 10mAir Canada

Thu 5/157:55 amSJO - PDX

2 stops26h 35mAir Canada

Deal found 4/21

$1,128

One-way flights from Portland to Costa Rica
Search for one-way flight options from Portland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Sun 8/175:54 amPDX - SJO

1 stop10h 51mAmerican Airlines

Deal found 4/23

$142

Fri 8/2912:30 pmPDX - SJO

1 stop9h 43mAlaska Airlines

Deal found 4/24

$157

Wed 9/245:45 pmPDX - SJO

2 stops17h 08mDelta

Deal found 4/24

$182

Sat 9/612:30 pmPDX - LIR

1 stop16h 50mAlaska Airlines

Deal found 4/23

$185

Wed 5/146:30 pmPDX - SJO

2 stops24h 07mUnited Airlines

Deal found 4/23

$197

Thu 7/241:37 pmPDX - LIR

2 stops19h 23mUnited Airlines

Deal found 4/23

$219

Sun 7/65:45 amPDX - SJO

1 stop12h 55mSouthwest

Deal found 4/23

$224

Sun 6/81:19 pmPDX - SJO

2 stops17h 09mMultiple Airlines

Deal found 4/23

$228

Sat 9/67:14 pmPDX - LIR

2 stops15h 46mDelta

Deal found 4/23

$232

Sun 6/85:40 pmPDX - SJO

3 stops40h 53mSpirit Airlines

Deal found 4/23

$257

Thu 7/2410:52 pmPDX - LIR

3 stops39h 38mMultiple Airlines

Deal found 4/23

$488

Tue 7/17:35 pmPDX - SJO

2 stops25h 18mCopa Airlines

Deal found 4/24

$592

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 8/11

12:31 pm-6:20 am

1 stop16h 49m

Liberia

Tue 8/19

4:58 pm-9:25 am

1 stop17h 27m

$415

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 5/27

3:42 pm-7:15 am

1 stop14h 33m

San José Juan Santamaria Intl

Sun 6/1

8:45 am-8:57 am

1 stop25h 12m

$424

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 5/30

10:30 am-11:46 pm

1 stop12h 16m

San José Juan Santamaria Intl

Sat 5/31

1:06 am-6:10 am

2 stops30h 04m

$425

PortlandSan José

PDX - SJO

PDXSJO

Portland

Fri 5/30

5:40 pm-11:33 am

2 stops16h 53m

San José Juan Santamaria Intl

Mon 6/2

12:28 pm-12:42 pm

2 stops25h 14m

$434

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 8/4

12:59 am-1:13 pm

1 stop11h 14m

San José Juan Santamaria Intl

Tue 8/12

7:40 am-8:48 pm

1 stop14h 08m

$436

PortlandSan José

PDX - SJO

PDXSJO

Portland

Mon 6/2

11:18 pm-11:14 pm

1 stop22h 56m

San José Juan Santamaria Intl

Thu 6/12

12:50 am-11:59 pm

1 stop24h 09m

$449

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 7/14

9:55 pm-11:35 am

1 stop12h 40m

Liberia

Mon 7/21

3:45 pm-10:34 am

1 stop19h 49m

$469

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Thu 9/4

5:10 pm-12:00 pm

2 stops17h 50m

Liberia

Sat 9/13

1:25 pm-9:04 am

2 stops20h 39m

$499

PortlandSan José

PDX - SJO

PDXSJO

Portland

Wed 6/25

5:50 pm-12:00 pm

2 stops17h 10m

San José Juan Santamaria Intl

Sat 7/5

7:25 am-10:21 pm

2 stops15h 56m

$511

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 5/3

5:00 am-3:25 pm

1 stop9h 25m

Liberia

Fri 5/16

11:49 am-10:53 pm

1 stop12h 04m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 27 results

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.

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?

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

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

See what other customers who have flown with Alaska Airlines, Southwest and Delta 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.

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,918 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,286 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Copa Airlines

7.6

Good

1,411 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 American Airlines. According to our data, you can fly for as low as $142. Users have also found prices from $157 and $182 on Alaska Airlines and Delta, 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

Alternative routes for Portland to Costa Rica

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Eugene to Guatemala City flights

Top 7 airlines flying from Portland to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$271	Average$359	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$390	Average$606	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$409	Average$652	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$429	Average$647	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$464	Average$691	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$474	Average$704	FlexibilityNo cancel fee	On-time63%
Copa Airlines	Cheapest$775	Average$1,335	FlexibilityNo cancel fee	On-time70%

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$142+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.

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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 April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Costa Rica

Cheapest flights from Portland to Costa RicaExplore 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 April 24, 2025.

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 April 24, 2025.

Cheapflights Fare Finder

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

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.

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?

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 April 24, 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

See what other customers who have flown with Alaska Airlines, Southwest and Delta 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.

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?

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Portland to Costa Rica

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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 April 24, 2025.