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 $157. Users have also found prices from $169 and $199 on American Airlines and United Airlines, 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 $377. 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.

$463+ Flights from Portland to Costa Rica - Compare & Save Big

Q: 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.

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Costa Rica

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$396 (Alaska Airlines)
One-way from	$157 (Alaska 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 ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% 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 abril 30, 2025.

jue. 5/2912:57 pmPDX - SJO

1 stop9h 49mAlaska Airlines

sáb. 6/71:06 amSJO - PDX

1 stop11h 46mAlaska Airlines

Deal found 4/28

$396

jue. 10/167:35 pmPDX - SJO

1 stop10h 40mUnited Airlines

dom. 10/198:37 amSJO - PDX

1 stop17h 07mUnited Airlines

Deal found 4/29

$399

lun. 5/121:37 pmPDX - SJO

2 stops20h 56mMultiple Airlines

lun. 5/191:06 amSJO - PDX

1 stop16h 18mMultiple Airlines

Deal found 4/28

$401

mar. 5/275:40 pmPDX - SJO

2 stops16h 53mSpirit Airlines

dom. 6/112:28 pmSJO - PDX

2 stops25h 14mSpirit Airlines

Deal found 4/29

$408

vie. 5/303:30 pmPDX - SJO

2 stops13h 30mDelta

sáb. 6/77:25 amSJO - PDX

2 stops15h 55mDelta

Deal found 4/28

$414

sáb. 9/66:45 pmPDX - SJO

2 stops13h 40mAmerican Airlines

sáb. 9/137:35 amSJO - PDX

1 stop16h 08mAmerican Airlines

Deal found 4/27

$420

lun. 6/22:52 pmPDX - LIR

1 stop14h 28mAlaska Airlines

mar. 6/1011:20 amLIR - PDX

1 stop10h 28mAlaska Airlines

Deal found 4/28

$469

lun. 6/211:49 pmPDX - LIR

2 stops12h 37mAmerican Airlines

mar. 6/103:40 pmLIR - PDX

2 stops18h 59mAmerican Airlines

Deal found 4/29

$473

mié. 10/229:45 pmPDX - LIR

1 stop13h 15mDelta

mié. 10/291:12 pmLIR - PDX

2 stops20h 52mDelta

Deal found 4/28

$524

lun. 6/167:50 pmPDX - LIR

2 stops15h 20mUnited Airlines

jue. 6/2611:05 amLIR - PDX

1 stop12h 28mUnited Airlines

Deal found 4/27

$542

sáb. 6/214:15 pmPDX - LIR

2 stops19h 50mSouthwest

vie. 6/272:10 pmLIR - PDX

2 stops20h 35mSouthwest

Deal found 4/28

$558

lun. 6/1612:09 amPDX - LIR

2 stops12h 06mMultiple Airlines

jue. 6/263:40 pmLIR - PDX

2 stops15h 40mMultiple Airlines

Deal found 4/29

$720

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 abril 30, 2025.

jue. 5/2912:57 pmPDX - SJO

1 stop9h 49mAlaska Airlines

sáb. 6/71:06 amSJO - PDX

1 stop11h 46mAlaska Airlines

Deal found 4/28

$396

lun. 5/121:37 pmPDX - SJO

2 stops20h 56mMultiple Airlines

lun. 5/191:06 amSJO - PDX

1 stop16h 18mMultiple Airlines

Deal found 4/28

$401

lun. 6/29:54 amPDX - SJO

1 stop20h 21mUnited Airlines

vie. 6/65:30 amSJO - PDX

1 stop14h 49mUnited Airlines

Deal found 4/28

$406

mar. 5/275:40 pmPDX - SJO

2 stops16h 53mSpirit Airlines

dom. 6/112:28 pmSJO - PDX

2 stops25h 14mSpirit Airlines

Deal found 4/29

$408

vie. 5/303:30 pmPDX - SJO

2 stops13h 30mDelta

sáb. 6/77:25 amSJO - PDX

2 stops15h 55mDelta

Deal found 4/28

$414

lun. 5/57:35 amPDX - SJO

1 stop13h 42mAmerican Airlines

mié. 5/71:50 pmSJO - PDX

1 stop9h 49mAmerican Airlines

Deal found 4/28

$453

sáb. 6/214:15 pmPDX - LIR

2 stops19h 50mSouthwest

vie. 6/272:10 pmLIR - PDX

2 stops20h 35mSouthwest

Deal found 4/28

$558

lun. 6/22:52 pmPDX - LIR

1 stop14h 28mAlaska Airlines

mar. 6/1011:20 amLIR - PDX

1 stop10h 28mAlaska Airlines

Deal found 4/28

$469

lun. 6/211:49 pmPDX - LIR

2 stops12h 37mAmerican Airlines

mar. 6/103:40 pmLIR - PDX

2 stops18h 59mAmerican Airlines

Deal found 4/29

$473

mié. 10/229:45 pmPDX - LIR

1 stop13h 15mDelta

mié. 10/291:12 pmLIR - PDX

2 stops20h 52mDelta

Deal found 4/28

$524

lun. 6/167:50 pmPDX - LIR

2 stops15h 20mUnited Airlines

jue. 6/2611:05 amLIR - PDX

1 stop12h 28mUnited Airlines

Deal found 4/27

$542

lun. 6/1612:09 amPDX - LIR

2 stops12h 06mMultiple Airlines

jue. 6/263:40 pmLIR - PDX

2 stops15h 40mMultiple Airlines

Deal found 4/29

$720

Last-minute flights from Portland to Costa Rica
Discover last-minute flight deals from Portland to Costa Rica. Data last updated abril 30, 2025 and is based on user searches.

jue. 5/19:50 pmPDX - SJO

2 stops20h 50mSouthwest

sáb. 5/38:45 amSJO - PDX

2 stops14h 40mSouthwest

Deal found 4/27

$625

lun. 5/510:24 pmPDX - LIR

1 stop12h 21mAmerican Airlines

lun. 5/192:26 pmLIR - PDX

2 stops21h 24mAmerican Airlines

Deal found 4/28

$473

lun. 5/57:35 amPDX - SJO

1 stop13h 42mAmerican Airlines

mié. 5/71:50 pmSJO - PDX

1 stop9h 49mAmerican Airlines

Deal found 4/28

$453

mié. 5/71:37 pmPDX - SJO

2 stops20h 56mMultiple Airlines

mié. 6/1112:50 amSJO - PDX

1 stop24h 24mMultiple Airlines

Deal found 4/28

$420

mié. 5/711:59 pmPDX - SJO

1 stop21h 18mAmerican Airlines

jue. 6/1211:59 pmSJO - PDX

1 stop23h 59mAmerican Airlines

Deal found 4/28

$422

mié. 5/73:56 pmPDX - SJO

2 stops19h 30mUnited Airlines

jue. 6/127:55 amSJO - PDX

1 stop12h 24mUnited Airlines

Deal found 4/28

$429

mié. 5/77:00 amPDX - SJO

1 stop15h 52mAlaska Airlines

mié. 6/1112:50 amSJO - PDX

1 stop16h 36mAlaska Airlines

Deal found 4/28

$454

mié. 5/71:37 pmPDX - SJO

2 stops20h 56mSpirit Airlines

jue. 6/1212:28 pmSJO - PDX

2 stops23h 49mSpirit Airlines

Deal found 4/28

$455

vie. 5/910:55 pmPDX - SJO

1 stop13h 10mDelta

sáb. 5/177:25 amSJO - PDX

2 stops15h 36mDelta

Deal found 4/28

$493

vie. 5/96:30 pmPDX - SJO

2 stops48h 55mAir Canada

lun. 5/197:55 amSJO - PDX

2 stops16h 00mAir Canada

Deal found 4/28

$897

vie. 5/96:30 pmPDX - SJO

2 stops28h 05mAvianca

mar. 5/209:35 amSJO - PDX

2 stops33h 38mAvianca

Deal found 4/28

$981

lun. 5/121:37 pmPDX - SJO

2 stops20h 56mMultiple Airlines

lun. 5/191:06 amSJO - PDX

1 stop16h 18mMultiple Airlines

Deal found 4/28

$401

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 abril 30, 2025.

sáb. 5/3110:30 amPDX - SJO

1 stop12h 16mAlaska Airlines

Deal found 4/29

$157

sáb. 7/121:13 pmPDX - SJO

2 stops23h 07mAmerican Airlines

Deal found 4/28

$169

sáb. 5/314:15 pmPDX - SJO

2 stops18h 40mUnited Airlines

Deal found 4/29

$199

jue. 7/104:55 pmPDX - SJO

2 stops18h 01mDelta

Deal found 4/29

$224

vie. 6/2012:12 pmPDX - SJO

2 stops22h 05mSpirit Airlines

Deal found 4/29

$236

lun. 7/145:00 amPDX - SJO

2 stops13h 40mSouthwest

Deal found 4/28

$251

sáb. 5/311:54 pmPDX - SJO

3 stops16h 41mMultiple Airlines

Deal found 4/29

$322

mar. 7/17:35 pmPDX - SJO

2 stops16h 45mCopa Airlines

Deal found 4/29

$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

PortlandSan José

PDX - SJO

PDXSJO

Portland

jue. 5/29

12:57 pm-11:46 pm

1 stop9h 49m

San José Juan Santamaria Intl

sáb. 6/7

1:06 am-11:52 am

1 stop11h 46m

$396

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 5/12

1:37 pm-11:33 am

2 stops20h 56m

San José Juan Santamaria Intl

lun. 5/19

1:06 am-4:24 pm

1 stop16h 18m

$401

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 6/2

3:42 pm-7:15 am

1 stop14h 33m

San José Juan Santamaria Intl

mié. 6/4

8:45 am-8:47 pm

1 stop13h 02m

$406

PortlandSan José

PDX - SJO

PDXSJO

Portland

mar. 5/27

5:40 pm-11:33 am

2 stops16h 53m

San José Juan Santamaria Intl

dom. 6/1

12:28 pm-12:42 pm

2 stops25h 14m

$408

PortlandSan José

PDX - SJO

PDXSJO

Portland

vie. 5/30

3:30 pm-6:00 am

2 stops13h 30m

San José Juan Santamaria Intl

sáb. 6/7

7:25 am-10:20 pm

2 stops15h 55m

$414

PortlandSan José

PDX - SJO

PDXSJO

Portland

lun. 5/5

7:35 am-10:17 pm

1 stop13h 42m

San José Juan Santamaria Intl

mié. 5/7

1:50 pm-10:39 pm

1 stop9h 49m

$453

PortlandLiberia

PDX - LIR

PDXLIR

Portland

lun. 6/2

10:30 am-6:20 am

1 stop18h 50m

Liberia

mar. 6/10

11:20 am-11:59 pm

1 stop13h 39m

$469

PortlandLiberia

PDX - LIR

PDXLIR

Portland

lun. 5/12

10:24 pm-11:45 am

1 stop12h 21m

Liberia

mié. 5/21

2:26 pm-10:24 am

2 stops20h 58m

$473

PortlandLiberia

PDX - LIR

PDXLIR

Portland

mié. 10/22

9:45 pm-12:00 pm

1 stop13h 15m

Liberia

mié. 10/29

1:12 pm-9:04 am

2 stops20h 52m

$524

PortlandLiberia

PDX - LIR

PDXLIR

Portland

sáb. 6/21

4:15 pm-1:05 pm

2 stops19h 50m

Liberia

vie. 6/27

2:10 pm-9:45 am

2 stops20h 35m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 22 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

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,295 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Copa Airlines

7.5

Good

1,411 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Alaska Airlines. According to our data, you can fly for as low as $157. Users have also found prices from $169 and $199 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Portland to Costa Rica

Portland to Philip S.W.Goldson flights

Portland to San José flights

Portland to Liberia flights

Portland to Guatemala City flights

Portland to Panama City flights

Portland to Coxen Hole flights

Boise to Philip S.W.Goldson flights

Portland to San Salvador flights

Boise to San José flights

Eugene to San José flights

Redmond to San José flights

Boise to Liberia flights

Boise to Panama City flights

Medford to San José flights

Eugene to Liberia flights

Portland to Managua flights

Medford to Panama City flights

Eugene to Philip S.W.Goldson flights

Portland to San Pedro Sula flights

Boise to Guatemala City flights

Redmond to Liberia flights

Boise to San Salvador flights

Boise to Coxen Hole flights

Redmond to Guatemala City flights

Medford to Liberia flights

Redmond to Philip S.W.Goldson flights

Redmond to San Salvador flights

Medford to Managua flights

Redmond to Managua flights

Portland to Flores flights

Eugene to Managua flights

Eugene to Guatemala City flights

North Bend to Liberia flights

North Bend to San José flights

Redmond to Coxen Hole flights

Redmond to San Pedro Sula flights

Top 7 airlines flying from Portland to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$325	Average$369	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$390	Average$613	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$409	Average$649	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$429	Average$642	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$464	Average$687	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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$157+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Costa Rica with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 abril 30, 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 abril 30, 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 abril 30, 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 abril 30, 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

100% Free

Book with Flexibility

Travel Smart

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 abril 30, 2025.