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$341+ Cheap flights from South Korea to Washington

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from South Korea to Washington

Discover tips and strategies to find the most affordable flight options for your journey from South Korea (KR0) to Washington (USWA). 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 January 21, 2025.

Round-trip from

$685
(Delta)

One-way from

$341
(Kiwi.com)

Good round-trip deal

$819 or less

Good one-way deal

$700 or less
From South Korea to Washington
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One-way flight from South Korea to Washington
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Price to beat on a round-trip flight from South Korea to Washington.
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Price to beat on a one-way flight from South Korea to Washington.
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Find flight deals from South Korea to Washington

Cheapest flights from South Korea to Washington
Explore the most affordable flight options available from South Korea to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Delta deal was found by Cheapflights users on 1/21. 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.
Mon 2/178:05 pmICN - SEA
Nonstop10h 25mDelta
Mon 2/2410:44 amSEA - ICN
Nonstop12h 31mDelta
Deal found 1/21$685
This NaeilTour deal was found by Cheapflights users on 1/21. 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 NaeilTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/144:55 pmICN - SEA
1 stop118h 05mAir Canada
Wed 3/197:05 pmSEA - ICN
1 stop28h 20mAir Canada
Deal found 1/21$688
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/176:00 pmICN - SEA
1 stop17h 29mUnited Airlines
Mon 2/247:32 pmSEA - ICN
1 stop17h 08mUnited Airlines
Deal found 1/21$690
This Gotogate deal was found by Cheapflights users on 1/21. 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.
Wed 2/196:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Sat 2/2212:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Deal found 1/21$697
This Gotogate deal was found by Cheapflights users on 1/21. 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.
Wed 2/54:10 pmICN - SEA
Nonstop9h 50mKorean Air
Wed 2/1911:00 amSEA - ICN
Nonstop11h 55mKorean Air
Deal found 1/21$700
This Gotogate deal was found by Cheapflights users on 1/21. 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.
Wed 2/510:35 pmICN - SEA
2 stops26h 25mHainan Airlines
Thu 3/610:00 amSEA - ICN
2 stops42h 30mHainan Airlines
Deal found 1/21$710
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Thu 5/15:45 pmICN - SEA
1 stop12h 28mMultiple Airlines
Mon 5/1210:00 amSEA - ICN
2 stops19h 40mMultiple Airlines
Deal found 1/21$713
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1310:35 amICN - PDX
2 stops20h 10mMultiple Airlines
Wed 4/167:05 pmPDX - ICN
1 stop29h 00mMultiple Airlines
Deal found 1/20$717
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/126:50 pmICN - SEA
2 stops33h 09mAmerican Airlines
Tue 2/2512:43 amSEA - ICN
1 stop23h 02mAmerican Airlines
Deal found 1/20$726
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Wed 10/157:55 pmGMP - SEA
2 stops38h 41mANA
Thu 10/304:40 pmSEA - GMP
1 stop33h 55mANA
Deal found 1/21$756
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Mon 1/274:10 pmPUS - SEA
1 stop33h 50mKorean Air
Mon 2/1011:00 amSEA - PUS
1 stop15h 25mKorean Air
Deal found 1/20$765
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Thu 3/612:45 pmPUS - SEA
2 stops22h 40mMultiple Airlines
Thu 3/135:45 amSEA - PUS
2 stops21h 40mMultiple Airlines
Deal found 1/20$775

Find flights from South Korea to Washington within your budget

Customize your flight search to find flights from South Korea to Washington 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 January 21, 2025.

Fly from

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Any airport

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 2/17

8:05 pm-1:30 pm

Nonstop10h 25m

Seattle/Tacoma Intl

Mon 2/24

10:44 am-4:15 pm

Nonstop12h 31m

$685

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 3/14

4:55 pm-11:00 pm

1 stop118h 05m

Seattle/Tacoma Intl

Wed 3/19

7:05 pm-3:25 pm

1 stop28h 20m

$688

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 2/17

6:00 pm-6:29 pm

1 stop17h 29m

Seattle/Tacoma Intl

Mon 2/24

7:32 pm-5:40 am

1 stop17h 08m

$690

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 2/19

6:15 pm-10:55 am

Nonstop9h 40m

Seattle/Tacoma Intl

Sat 2/22

12:45 pm-5:50 pm

Nonstop12h 05m

$697

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 2/5

4:10 pm-9:00 am

Nonstop9h 50m

Seattle/Tacoma Intl

Wed 2/19

11:00 am-3:55 pm

Nonstop11h 55m

$700

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 2/5

10:35 pm-8:00 am

2 stops26h 25m

Seattle/Tacoma Intl

Thu 3/6

10:00 am-9:30 pm

2 stops42h 30m

$710

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 5/1

5:45 pm-2:13 pm

1 stop12h 28m

Seattle/Tacoma Intl

Mon 5/12

10:00 am-9:40 pm

2 stops19h 40m

$713

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Sun 4/13

10:35 am-2:45 pm

2 stops20h 10m

Portland

Wed 4/16

7:05 pm-4:05 pm

1 stop29h 00m

$717

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 2/12

6:50 pm-10:59 am

2 stops33h 09m

Seattle/Tacoma Intl

Tue 2/25

12:43 am-4:45 pm

1 stop23h 02m

$726

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Thu 3/6

12:45 pm-6:25 pm

2 stops22h 40m

Seattle/Tacoma Intl

Thu 3/13

5:45 am-7:25 pm

2 stops21h 40m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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

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

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

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

Currently, January is the cheapest month in which you can book a flight from South Korea to State of Washington (average of $238). Flying from South Korea to State of Washington in July is currently the most expensive (average of $411). 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 KR to WA?

Find hourly flight availability from South Korea to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to State of Washington as you normally would.

Weekly flight availability from South Korea to State of Washington

Explore weekly flight availability from South Korea to Washington. 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 January 21, 2025.

The most flights from KR0 to USWA are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with United Airlines, Korean Air and China Airlines from South Korea to Washington by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,255 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from South Korea to Washington. 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 South Korea to State of Washington flight route?

    This flight path from South Korea to Washington was viewed by 1 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 South Korea to State of Washington one-way?

    One-way options have recently been found by users for as low as $406 on Hainan Airlines. Other airlines that offer cheap prices include WestJet from $476 and Air Canada from $477 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from South Korea to State of Washington (average of $238). Flying from South Korea to State of Washington in July is currently the most expensive (average of $411). 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.

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Top 6 airlines flying from South Korea to Washington

Discover the top 6 airlines that operate flights from South Korea to Washington. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$615Average$878FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$666Average$1,061FlexibilityNo cancel feeOn-time76%
DeltaCheapest$687Average$1,147FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$691Average$1,149FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$727Average$834FlexibilityNo cancel feeOn-time67%
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