South Korea

$355+ Cheap flights from Washington to South Korea

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Dec 27 — Jan 31
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Cheap flight deals from Washington to South Korea

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to South Korea (KR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$849
(Ovago)

One-way from

$355
(Kiwi.com)
From Washington to South Korea
One-way flight from Washington to South Korea

Find flight deals from Washington to South Korea

Cheapest flights from Washington to South Korea
Explore the most affordable flight options available from Washington to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:15 pmSEA - ICN
2 stops25h 20mMultiple Airlines
Tue 9/235:45 pmICN - SEA
1 stop12h 31mMultiple Airlines
Deal found 12/21$936
This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:45 amSEA - ICN
1 stop16h 30mAir Canada
Tue 9/235:45 pmICN - SEA
1 stop12h 31mAir Canada
Deal found 12/21$967
This SmartFares deal was found by Cheapflights users on 12/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:40 amSEA - ICN
Nonstop12h 35mKorean Air
Tue 1/214:10 pmICN - SEA
Nonstop9h 50mKorean Air
Deal found 12/20$975
This Delta deal was found by Cheapflights users on 12/21. 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 12/3110:40 amSEA - ICN
Nonstop12h 35mDelta
Tue 1/218:05 pmICN - SEA
Nonstop10h 14mDelta
Deal found 12/21$988
This Gotogate deal was found by Cheapflights users on 12/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/313:40 pmSEA - GMP
1 stop33h 55mANA
Tue 1/217:45 amGMP - SEA
2 stops27h 45mANA
Deal found 12/20$988
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:10 amSEA - ICN
1 stop17h 20mEVA Air
Wed 4/307:45 pmICN - SEA
1 stop15h 45mEVA Air
Deal found 12/21$1,234
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/311:35 pmSEA - ICN
2 stops34h 10mAmerican Airlines
Tue 1/216:50 pmICN - SEA
2 stops32h 59mAmerican Airlines
Deal found 12/20$1,271
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/233:25 pmPDX - ICN
1 stop30h 50mAir Canada
Sun 12/294:55 pmICN - PDX
1 stop18h 29mAir Canada
Deal found 12/21$1,305
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:05 pmPDX - ICN
1 stop27h 10mMultiple Airlines
Sun 12/297:35 pmICN - PDX
2 stops39h 49mMultiple Airlines
Deal found 12/21$1,345
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:24 pmPDX - ICN
1 stop27h 51mDelta
Tue 1/288:05 pmICN - PDX
1 stop13h 28mDelta
Deal found 12/21$1,352
This FlightHub deal was found by Cheapflights users on 12/21. 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.
Tue 12/317:00 pmSEA - ICN
1 stop30h 20mTurkish Airlines
Mon 1/2012:10 amICN - SEA
1 stop33h 55mTurkish Airlines
Deal found 12/21$1,386
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/307:15 amSEA - ICN
1 stop16h 00mUnited Airlines
Wed 1/812:45 pmICN - SEA
1 stop17h 47mUnited Airlines
Deal found 12/21$1,475

Find flights from Washington to South Korea within your budget

Customize your flight search to find flights from Washington to South Korea 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Fri 5/30

7:10 am-11:35 am

2 stops36h 25m

Busan Gimhae

Sat 6/7

5:50 pm-10:23 pm

2 stops44h 33m

$849

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 1/15

6:00 am-4:15 pm

1 stop17h 15m

Incheon Intl

Tue 1/21

8:05 pm-6:44 pm

1 stop15h 39m

$877

PortlandIncheon

PDX - ICN

PDXICN

Portland

Mon 1/20

6:35 am-8:30 pm

1 stop20h 55m

Incheon Intl

Mon 1/27

3:05 pm-10:31 pm

2 stops24h 26m

$893

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 1/19

7:10 am-4:15 pm

1 stop16h 05m

Incheon Intl

Sun 1/26

8:05 pm-6:54 pm

1 stop15h 49m

$907

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sun 2/23

11:59 pm-4:45 pm

1 stop23h 46m

Incheon Intl

Wed 3/5

6:50 pm-11:20 pm

2 stops21h 30m

$918

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/5

12:45 pm-5:50 pm

Nonstop12h 05m

Incheon Intl

Wed 2/12

6:15 pm-10:55 am

Nonstop9h 40m

$919

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 2/3

6:55 am-8:30 pm

1 stop20h 35m

Incheon Intl

Mon 2/10

6:55 pm-7:26 pm

2 stops17h 31m

$928

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 4/5

10:21 am-4:20 am

1 stop25h 59m

Incheon Intl

Tue 4/15

4:50 pm-12:30 am

1 stop23h 40m

$932

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 2/3

11:00 am-3:55 pm

Nonstop11h 55m

Incheon Intl

Mon 2/10

4:10 pm-9:00 am

Nonstop9h 50m

$941

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 1/15

4:30 pm-4:45 pm

1 stop31h 15m

Incheon Intl

Fri 1/31

6:50 pm-11:31 pm

1 stop21h 41m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results
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Best time to book a flight from Washington to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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.

Travel insights for flights from Washington to South Korea

Get recent, data-driven insights about flights from Washington to South Korea including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to South Korea?

Currently, October is the cheapest month in which you can book a flight from State of Washington to South Korea (average of $1,086). Flying from State of Washington to South Korea in June is currently the most expensive (average of $1,729). 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 KR?

Find hourly flight availability from Washington to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from State of Washington to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to South Korea

Explore weekly flight availability from Washington to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 22, 2024.

The most flights from USWA to KR0 are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated December 22, 2024.
See what other customers who have flown with Delta, American Airlines and Asiana Airlines from Washington to South Korea have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good
1,265 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,265 reviews
8.4
Very good
1,265 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
1,025 reviews
8.4
Very good
1,265 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.4
Very good
844 reviews
8.4
Very good
1,265 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.3
Very good
1,440 reviews
8.4
Very good
1,265 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

8.3
Very good
754 reviews
8.4
Very good
1,265 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Food

8.0

Overall

8.4

Comfort

8.3

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from Washington to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this State of Washington to South Korea flight route?

  • What are the cheapest airlines to fly from State of Washington to South Korea one-way?

    The cheapest airlines for a one-way flight from State of Washington to South Korea are Asiana Airlines ($472), American Airlines ($478), and Delta ($500).

  • Can I find deals for flights from Washington to South Korea that include hotel bookings?

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

  • How can I find direct flights from Washington to South Korea?

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

  • Can I find deals for business class flights from Washington to South Korea?

    Yes. Cheapflights offers flight deals from Washington to South Korea 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 South Korea?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to South Korea (average of $1,086). Flying from State of Washington to South Korea in June is currently the most expensive (average of $1,729). 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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Alternative routes for Washington to South Korea

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

Top 9 airlines flying from Washington to South Korea

Discover the top 9 airlines that operate flights from Washington to South Korea. 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$600Average$813FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$769Average$1,478FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$849Average$1,019FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$856Average$949FlexibilityNo cancel feeOn-time70%
Asiana AirlinesCheapest$970Average$1,294FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$970Average$1,192FlexibilityNo cancel feeOn-time77%
DeltaCheapest$979Average$1,529FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,011Average$1,235FlexibilityNo cancel feeOn-time74%
Korean AirCheapest$1,035Average$1,623FlexibilityNo cancel feeOn-time81%
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