What are the cheapest airlines to fly from State of Washington to Costa Rica one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $110. Delta flights start at $140 while deals on American Airlines start at $165 one-way.

How far in advance should I book a flight from State of Washington 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 37 days in advance, which can save you up to 38% on flights from State of Washington to Costa Rica compared to booking the week you need them. Waiting 37 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 State of Washington to Costa Rica?

The best pricing can be found in the month of May. Prices to Costa Rica from State of Washington average $678. You can even find prices in May for less than $678, as users have found deals to Costa Rica from as low as $192. The month of December appears to be one of the more expensive times to travel to Costa Rica from State of Washington. Flying in the targeted month can save you up to 38%.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$399+ Flights from Washington to Costa Rica

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1. Tell us where you want to go

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Cheap flight deals from Washington to Costa Rica

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$382 (Mytrip)
One-way from	$110 (FlightHub)
Popular in	December
Cheapest in	May
Average price	$660
Good round-trip deal	$746 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-San José Juan Santamaria Intl flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San José Juan Santamaria Intl flights.

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From Washington to Costa Rica

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One-way flight from Washington to Costa Rica

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Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Washington to Costa Rica.

Search Deals

Find flight deals from Washington to Costa Rica

Cheapest flights from Washington to Costa Rica
Explore the most affordable flight options available from Washington to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 2025.

mar. 4/2912:30 pmSEA - SJO

2 stops21h 48mSpirit Airlines

lun. 5/512:55 amSJO - SEA

3 stops38h 30mSpirit Airlines

Deal found 4/1

$382

sáb. 4/264:17 pmSEA - SJO

2 stops14h 11mMultiple Airlines

dom. 5/112:48 pmSJO - SEA

2 stops29h 44mMultiple Airlines

Deal found 4/1

$395

mar. 4/225:22 amSEA - SJO

1 stop15h 42mAmerican Airlines

mar. 4/296:05 amSJO - SEA

1 stop18h 34mAmerican Airlines

Deal found 3/31

$419

dom. 6/17:27 pmPSC - SJO

2 stops51h 19mAlaska Airlines

mié. 6/41:06 amSJO - PSC

2 stops44h 44mAlaska Airlines

Deal found 3/30

$422

lun. 5/125:30 amSEA - SJO

2 stops17h 22mAlaska Airlines

lun. 5/191:06 amSJO - SEA

2 stops14h 20mAlaska Airlines

Deal found 3/31

$423

mié. 6/46:35 amPSC - SJO

2 stops26h 36mUnited Airlines

dom. 6/88:45 amSJO - PSC

1 stop15h 16mUnited Airlines

Deal found 3/31

$425

jue. 8/147:44 pmGEG - SJO

2 stops16h 36mMultiple Airlines

jue. 8/212:20 pmSJO - GEG

2 stops22h 16mMultiple Airlines

Deal found 4/1

$437

mié. 4/237:01 pmPDX - SJO

2 stops14h 23mSpirit Airlines

mar. 4/2912:55 amSJO - PDX

3 stops34h 02mSpirit Airlines

Deal found 3/31

$450

jue. 5/222:52 pmPDX - SJO

1 stop31h 54mAlaska Airlines

dom. 5/251:06 amSJO - PDX

1 stop11h 46mAlaska Airlines

Deal found 3/31

$452

vie. 5/97:00 amGEG - SJO

2 stops15h 52mAlaska Airlines

jue. 5/151:06 amSJO - GEG

2 stops21h 05mAlaska Airlines

Deal found 4/1

$453

mié. 5/1411:39 amPDX - SJO

1 stop9h 38mAmerican Airlines

mié. 5/2111:59 pmSJO - PDX

1 stop11h 50mAmerican Airlines

Deal found 3/31

$453

mar. 4/225:39 pmPDX - SJO

1 stop29h 13mMultiple Airlines

mié. 4/3012:23 pmSJO - PDX

2 stops22h 34mMultiple Airlines

Deal found 3/31

$457

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

mar. 4/2912:30 pmSEA - SJO

2 stops21h 48mSpirit Airlines

lun. 5/512:55 amSJO - SEA

3 stops38h 30mSpirit Airlines

Deal found 4/1

$382

jue. 9/411:59 pmSEA - SJO

1 stop12h 06mAmerican Airlines

vie. 9/121:55 pmSJO - SEA

1 stop21h 49mAmerican Airlines

Deal found 4/1

$391

sáb. 4/264:17 pmSEA - SJO

2 stops14h 11mMultiple Airlines

dom. 5/112:48 pmSJO - SEA

2 stops29h 44mMultiple Airlines

Deal found 4/1

$395

lun. 5/126:00 amSEA - SJO

1 stop16h 52mAlaska Airlines

mar. 5/201:06 amSJO - SEA

1 stop12h 24mAlaska Airlines

Deal found 4/1

$419

mié. 6/46:35 amPSC - SJO

2 stops26h 36mUnited Airlines

dom. 6/88:45 amSJO - PSC

1 stop15h 16mUnited Airlines

Deal found 3/31

$425

mar. 4/294:54 pmPDX - SJO

1 stop12h 03mDelta

sáb. 5/32:53 pmSJO - PDX

2 stops19h 15mDelta

Deal found 4/1

$448

vie. 6/209:05 pmPDX - LIR

2 stops14h 40mSouthwest

dom. 6/2911:50 amLIR - PDX

2 stops14h 20mSouthwest

Deal found 3/31

$590

jue. 6/261:45 pmPDX - LIR

2 stops21h 39mWestJet

vie. 7/257:05 amLIR - PDX

1 stop30h 47mWestJet

Deal found 4/1

$692

dom. 6/17:27 pmPSC - SJO

2 stops51h 19mAlaska Airlines

mié. 6/41:06 amSJO - PSC

2 stops44h 44mAlaska Airlines

Deal found 3/30

$422

jue. 8/147:44 pmGEG - SJO

2 stops16h 36mMultiple Airlines

jue. 8/212:20 pmSJO - GEG

2 stops22h 16mMultiple Airlines

Deal found 4/1

$437

mar. 4/227:01 pmPDX - SJO

2 stops14h 23mSpirit Airlines

sáb. 5/312:23 pmSJO - PDX

2 stops22h 34mSpirit Airlines

Deal found 4/1

$464

mié. 4/237:30 pmPDX - SJO

2 stops13h 41mUnited Airlines

sáb. 5/36:00 amSJO - PDX

2 stops15h 53mUnited Airlines

Deal found 4/1

$465

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

dom. 4/67:59 pmSEA - SJO

1 stop27h 13mMultiple Airlines

sáb. 4/1912:23 pmSJO - SEA

2 stops24h 12mMultiple Airlines

Deal found 4/1

$566

lun. 4/712:59 amSEA - SJO

1 stop11h 20mAmerican Airlines

mar. 4/226:05 amSJO - SEA

1 stop18h 34mAmerican Airlines

Deal found 3/31

$507

mar. 4/85:53 pmPDX - LIR

2 stops16h 27mAmerican Airlines

mar. 4/152:05 pmLIR - PDX

2 stops21h 33mAmerican Airlines

Deal found 4/1

$473

mar. 4/812:45 pmSEA - SJO

2 stops29h 52mUnited Airlines

mar. 4/2211:13 amSJO - SEA

2 stops23h 34mUnited Airlines

Deal found 3/31

$558

mié. 4/97:33 pmSEA - LIR

2 stops18h 52mUnited Airlines

mié. 4/163:25 pmLIR - SEA

2 stops18h 01mUnited Airlines

Deal found 4/1

$627

vie. 4/116:23 pmPDX - LIR

2 stops17h 07mUnited Airlines

jue. 4/1711:49 amLIR - PDX

1 stop11h 59mUnited Airlines

Deal found 3/31

$469

vie. 4/1112:30 pmSEA - SJO

2 stops20h 54mSpirit Airlines

sáb. 4/1912:23 pmSJO - SEA

2 stops24h 12mSpirit Airlines

Deal found 4/1

$533

vie. 4/112:32 pmPDX - SJO

3 stops43h 46mSpirit Airlines

mié. 4/1612:55 amSJO - PDX

3 stops33h 17mSpirit Airlines

Deal found 3/31

$534

vie. 4/112:32 pmPDX - SJO

3 stops43h 46mMultiple Airlines

jue. 4/172:48 pmSJO - PDX

3 stops28h 17mMultiple Airlines

Deal found 3/31

$543

vie. 4/112:25 pmPDX - SJO

1 stop18h 46mUnited Airlines

jue. 4/171:30 pmSJO - PDX

1 stop10h 44mUnited Airlines

Deal found 3/31

$556

vie. 4/1110:59 pmSEA - SJO

2 stops48h 13mAlaska Airlines

mié. 4/161:22 amSJO - SEA

2 stops15h 40mAlaska Airlines

Deal found 4/1

$601

vie. 4/117:00 amPDX - SJO

1 stop16h 12mAlaska Airlines

mié. 4/161:22 amSJO - PDX

1 stop17h 49mAlaska Airlines

Deal found 3/31

$612

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

mar. 4/2912:30 pmSEA - SJO

2 stops21h 48mSpirit Airlines

Deal found 4/1

$110

vie. 5/93:30 pmGEG - SJO

2 stops13h 30mDelta

Deal found 3/31

$140

sáb. 9/611:59 pmPDX - LIR

1 stop12h 02mAmerican Airlines

Deal found 4/1

$165

lun. 4/2811:30 pmSEA - SJO

1 stop11h 25mDelta

Deal found 4/1

$193

mié. 6/115:32 amSEA - SJO

1 stop15h 32mAmerican Airlines

Deal found 4/1

$200

vie. 5/95:34 amGEG - SJO

1 stop15h 43mAmerican Airlines

Deal found 3/31

$200

dom. 5/255:43 pmSEA - SJO

1 stop29h 03mAlaska Airlines

Deal found 3/30

$208

dom. 4/1311:00 pmPDX - SJO

1 stop11h 55mDelta

Deal found 4/1

$210

dom. 4/132:32 pmPDX - SJO

2 stops21h 24mMultiple Airlines

Deal found 4/1

$219

jue. 5/297:05 amSEA - LIR

1 stop22h 01mWestJet

Deal found 3/31

$227

mié. 5/2810:40 pmSEA - LIR

1 stop13h 25mJetBlue

Deal found 3/31

$234

lun. 4/2810:30 pmSEA - LIR

1 stop12h 07mDelta

Deal found 3/31

$236

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

mar. 4/29

12:30 pm-11:18 am

2 stops21h 48m

San José Juan Santamaria Intl

lun. 5/5

12:55 am-2:25 pm

3 stops38h 30m

$382

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

sáb. 4/26

4:17 pm-7:28 am

2 stops14h 11m

San José Juan Santamaria Intl

dom. 5/11

2:48 pm-7:32 pm

2 stops29h 44m

$395

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

mar. 4/22

5:22 am-10:04 pm

1 stop15h 42m

San José Juan Santamaria Intl

mar. 4/29

6:05 am-11:39 pm

1 stop18h 34m

$419

PascoSan José

PSC - SJO

PSCSJO

Pasco Tri Cities

dom. 6/1

7:27 pm-11:46 pm

2 stops51h 19m

San José Juan Santamaria Intl

mié. 6/4

1:06 am-8:50 pm

2 stops44h 44m

$422

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

lun. 5/12

5:30 am-11:52 pm

2 stops17h 22m

San José Juan Santamaria Intl

lun. 5/19

1:06 am-2:26 pm

2 stops14h 20m

$423

PascoSan José

PSC - SJO

PSCSJO

Pasco Tri Cities

mié. 6/4

6:35 am-10:11 am

2 stops26h 36m

San José Juan Santamaria Intl

dom. 6/8

8:45 am-11:01 pm

1 stop15h 16m

$425

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

jue. 8/14

7:44 pm-1:20 pm

2 stops16h 36m

San José Juan Santamaria Intl

jue. 8/21

2:20 pm-11:36 am

2 stops22h 16m

$437

PortlandSan José

PDX - SJO

PDXSJO

Portland

mié. 4/23

7:01 pm-10:24 am

2 stops14h 23m

San José Juan Santamaria Intl

mar. 4/29

12:55 am-9:57 am

3 stops34h 02m

$450

PortlandSan José

PDX - SJO

PDXSJO

Portland

jue. 5/22

2:52 pm-11:46 pm

1 stop31h 54m

San José Juan Santamaria Intl

dom. 5/25

1:06 am-11:52 am

1 stop11h 46m

$452

PortlandSan José

PDX - SJO

PDXSJO

Portland

mié. 5/14

11:39 am-10:17 pm

1 stop9h 38m

San José Juan Santamaria Intl

mié. 5/21

11:59 pm-10:49 am

1 stop11h 50m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 56 results

...

Best time to book a flight from Washington to Costa Rica

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

What is the cheapest month to book a flight from State of Washington to Costa Rica?

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

When flying from State of Washington 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

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Washington to Costa Rica. 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

8,615 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 State of Washington to Costa Rica one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $110. Delta flights start at $140 while deals on American Airlines start at $165 one-way.
Can I find deals for flights from Washington to Costa Rica that include hotel bookings?
Yes. In addition to deals on Washington to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Costa Rica?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Costa Rica.
Can I find deals for business class flights from Washington to Costa Rica?
Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Costa Rica?
Currently, September is the cheapest month in which you can book a flight from State of Washington to Costa Rica (average of $398). Flying from State of Washington 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 Washington to Costa Rica

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Top 9 airlines flying from Washington to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$184	Average$192	FlexibilityNo cancel fee	On-time71%
Spirit Airlines	Cheapest$254	Average$390	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$386	Average$664	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$394	Average$652	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$428	Average$635	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$462	Average$654	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$490	Average$820	FlexibilityNo cancel fee	On-time69%
Copa Airlines	Cheapest$538	Average$805	FlexibilityNo cancel fee	On-time70%
Aeromexico	Cheapest$709	Average$912	FlexibilityNo cancel fee	On-timeN/A

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$110+ Cheap flights from Washington 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 4/29. 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 Washington to Costa Rica

Keep the following information in mind while searching for Washington to Costa Rica flight deals. Data was last updated abril 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from Washington to Costa Rica

Cheapest flights from Washington to Costa RicaExplore the most affordable flight options available from Washington to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 2025.

Explore the most affordable flight options available from Washington to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Costa Rica

What is the cheapest month to book a flight from State of Washington to Costa Rica?

What is the cheapest time of day to fly from WA to CR?

Find hourly flight availability from Washington 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 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

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Washington to Costa Rica. 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 Washington 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 State of Washington to Costa Rica one-way?

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

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

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

What is the cheapest month to book a flight from State of Washington 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 Washington to Costa Rica

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

Top 9 airlines flying from Washington to Costa Rica

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Cheapest flights from Washington to Costa Rica
Explore the most affordable flight options available from Washington to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 2025.