HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$404+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ICN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to South Korea 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 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 November 20, 2024.

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 November 20, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:52 pmPDX - ICN
2 stops32h 38mMultiple Airlines
Sun 12/86:55 pmICN - PDX
1 stop21h 49mMultiple Airlines
Deal found 11/19$821
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/57:15 amPDX - ICN
1 stop19h 10mAlaska Airlines
Sun 12/89:25 pmICN - PDX
1 stop17h 37mAlaska Airlines
Deal found 11/19$888
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:15 amSEA - ICN
2 stops24h 35mMultiple Airlines
Wed 12/117:25 amICN - SEA
3 stops33h 45mMultiple Airlines
Deal found 11/20$900
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 11/201:55 pmSEA - ICN
1 stop22h 45mUnited Airlines
Wed 11/276:00 pmICN - SEA
1 stop22h 44mUnited Airlines
Deal found 11/19$903
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Sat 11/237:15 pmSEA - ICN
1 stop28h 30mAir Canada
Thu 12/126:20 pmICN - SEA
1 stop13h 05mAir Canada
Deal found 11/19$909
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 11/201:16 amSEA - ICN
1 stop22h 29mAmerican Airlines
Thu 2/206:50 pmICN - SEA
1 stop23h 07mAmerican Airlines
Deal found 11/20$916
This WhyPayMore deal was found by Cheapflights users on 11/20. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2711:00 amSEA - ICN
Nonstop11h 55mKorean Air
Wed 12/48:05 pmICN - SEA
Nonstop10h 08mKorean Air
Deal found 11/20$921
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/307:00 amPDX - ICN
1 stop16h 15mDelta
Sun 12/88:05 pmICN - PDX
1 stop21h 23mDelta
Deal found 11/20$932
This American Airlines deal was found by Cheapflights users on 11/19. 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 11/2011:59 pmPDX - ICN
1 stop23h 46mAmerican Airlines
Sat 11/236:50 pmICN - PDX
1 stop19h 37mAmerican Airlines
Deal found 11/19$933
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 11/205:00 amPDX - ICN
2 stops31h 40mUnited Airlines
Sat 11/236:00 pmICN - PDX
1 stop14h 10mUnited Airlines
Deal found 11/19$937
This Jettzy deal was found by Cheapflights users on 11/19. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Tue 12/176:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Deal found 11/19$938
This Gotogate deal was found by Cheapflights users on 11/19. 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 12/310:35 amSEA - GMP
2 stops18h 55mANA
Tue 12/1712:25 pmGMP - SEA
2 stops23h 00mANA
Deal found 11/19$982

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 12/5

6:52 pm-8:30 pm

2 stops32h 38m

Incheon Intl

Sun 12/8

6:55 pm-11:44 pm

1 stop21h 49m

$821

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 2/20

7:00 am-7:25 pm

1 stop19h 25m

Incheon Intl

Mon 3/3

9:25 pm-9:10 pm

1 stop16h 45m

$837

PortlandIncheon

PDX - ICN

PDXICN

Portland

Thu 1/23

6:05 am-5:25 pm

2 stops42h 20m

Incheon Intl

Wed 2/5

6:25 pm-3:49 pm

2 stops38h 24m

$848

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/12

5:45 am-3:15 pm

1 stop16h 30m

Incheon Intl

Fri 2/28

4:55 pm-2:30 pm

1 stop14h 35m

$864

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 4/5

6:00 am-4:05 pm

1 stop18h 05m

Incheon Intl

Sat 4/19

6:00 pm-2:44 pm

1 stop12h 44m

$876

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 1/14

5:55 pm-12:20 pm

2 stops25h 25m

Incheon Intl

Fri 1/31

8:10 am-5:00 pm

2 stops25h 50m

$896

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 1/8

3:25 pm-5:40 am

1 stop21h 15m

Incheon Intl

Fri 1/31

6:00 pm-7:08 pm

1 stop18h 08m

$902

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 3/1

12:43 am-4:45 pm

1 stop23h 02m

Incheon Intl

Tue 3/11

5:50 pm-9:19 pm

1 stop19h 29m

$916

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 2/12

12:45 pm-5:50 pm

Nonstop12h 05m

Incheon Intl

Sat 2/22

6:15 pm-10:55 am

Nonstop9h 40m

$926

PortlandIncheon

PDX - ICN

PDXICN

Portland

Sat 11/30

5:05 am-4:15 pm

1 stop18h 10m

Incheon Intl

Sun 12/8

8:05 pm-11:29 pm

1 stop20h 24m

$932

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
1
2
3
...
6

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 $1,102). Flying from State of Washington to South Korea in June is currently the most expensive (average of $1,708). 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 November 20, 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 November 20, 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 November 20, 2024.
See what other customers who have flown with Air Canada, United Airlines and American 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.
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

EVA Air
8.4
Very good
1,308 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
833 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.3
Very good
476 reviews
Korean Air
8.5
Very good
1,024 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

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?

    The Washington to South Korea flight path was viewed by 228 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 Air Canada ($461), Hawaiian Airlines ($489), and Asiana Airlines ($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 $1,102). Flying from State of Washington to South Korea in June is currently the most expensive (average of $1,708). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
John F Kennedy Intl to Haneda flights
Los Angeles to Narita flights
Newark to Haneda flights
Los Angeles to Manila flights
Newark to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Seattle to Haneda flights
Newark to New Delhi flights
Seattle to Narita flights
Los Angeles to Suvarnabhumi flights
John F Kennedy Intl to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
San Francisco to Manila flights
John F Kennedy Intl to New Delhi flights
San Francisco to New Delhi flights
John F Kennedy Intl to Mumbai flights
LaGuardia to Haneda flights
LaGuardia to Narita flights
Dallas/Fort Worth to Haneda flights
Dallas/Fort Worth to Narita flights
Ontario to Narita flights
LaGuardia to New Delhi flights
Newark to Suvarnabhumi flights
Dulles Intl to Haneda flights
San Francisco to Suvarnabhumi flights
Newark to Ahmedabad flights
Dallas/Fort Worth to Hyderabad flights
O'Hare Intl to Narita flights
Los Angeles to Taiwan Taoyuan Intl flights
San Francisco to Mumbai flights
Hobby to Narita flights
San Francisco to Taiwan Taoyuan Intl flights
Seattle to Suvarnabhumi flights
Los Angeles to Incheon Intl flights
John F Kennedy Intl to Ahmedabad flights
O'Hare Intl to Suvarnabhumi flights
Boston to Narita flights
O'Hare Intl to Haneda flights
LaGuardia to Suvarnabhumi flights
Newark to Mumbai flights
John F Kennedy Intl to Manila flights
Hobby to Haneda flights
Ontario to Haneda flights
Dallas/Fort Worth to Suvarnabhumi flights
John F Kennedy Intl to Incheon Intl flights
LaGuardia to Mumbai flights
John F Kennedy Intl to Hong Kong flights
Los Angeles to Ho Chi Minh City flights

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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$600Average$813FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$769Average$1,477FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$852Average$1,025FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$856Average$948FlexibilityNo cancel feeOn-time70%
DeltaCheapest$959Average$1,530FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$970Average$1,150FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,027Average$1,247FlexibilityNo cancel feeOn-time74%
Asiana AirlinesCheapest$1,027Average$1,298FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,056Average$1,625FlexibilityNo cancel feeOn-time81%
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.
View all available airlines