Washington

$360+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
Dec 23 — Dec 301
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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 December 18, 2024.

Round-trip from

$632
(WhyPayMore)

One-way from

$360
(Kiwi.com)
From South Korea to Washington
One-way flight from South Korea to Washington

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 December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/1912:45 pmICN - SEA
1 stop23h 20mUnited Airlines
Tue 12/315:00 amSEA - ICN
2 stops31h 40mUnited Airlines
Deal found 12/17$644
This WhyPayMore deal was found by Cheapflights users on 12/17. 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.
Mon 12/236:15 pmICN - SEA
Nonstop9h 40mAsiana Airlines
Sun 2/2312:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Deal found 12/17$660
This Delta deal was found by Cheapflights users on 12/17. 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 12/238:05 pmICN - SEA
Nonstop10h 08mDelta
Wed 3/1211:40 amSEA - ICN
Nonstop12h 35mDelta
Deal found 12/17$666
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Fri 12/2011:50 amICN - SEA
2 stops19h 35mMultiple Airlines
Tue 12/315:45 amSEA - ICN
1 stop16h 30mMultiple Airlines
Deal found 12/17$715
This Korean Air deal was found by Cheapflights users on 12/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/234:10 pmICN - SEA
Nonstop9h 50mKorean Air
Wed 1/810:41 amSEA - ICN
Nonstop12h 34mKorean Air
Deal found 12/16$722
This Justfly.com deal was found by Cheapflights users on 12/17. 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.
Thu 12/197:45 amGMP - SEA
2 stops27h 40mANA
Thu 1/23:45 pmSEA - GMP
1 stop26h 35mANA
Deal found 12/17$752
This WhyPayMore deal was found by Cheapflights users on 12/17. 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.
Mon 12/239:25 pmICN - SEA
1 stop24h 45mHawaiian Airlines
Fri 3/216:40 pmSEA - ICN
1 stop32h 45mHawaiian Airlines
Deal found 12/17$755
This WhyPayMore deal was found by Cheapflights users on 12/17. 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.
Thu 12/1911:55 amPUS - SEA
1 stop23h 20mChina Airlines
Sat 3/151:10 amSEA - PUS
1 stop17h 45mChina Airlines
Deal found 12/17$872
This Gotogate deal was found by Cheapflights users on 12/17. 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 12/2311:50 amICN - PDX
2 stops19h 54mMultiple Airlines
Fri 1/36:00 amPDX - ICN
2 stops23h 50mMultiple Airlines
Deal found 12/17$913
This Gotogate deal was found by Cheapflights users on 12/16. 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 12/1811:40 amICN - SEA
1 stop23h 30mEVA Air
Mon 12/3012:10 amSEA - ICN
1 stop17h 20mEVA Air
Deal found 12/16$917
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Wed 12/184:55 pmICN - PDX
1 stop22h 14mAir Canada
Fri 1/36:00 amPDX - ICN
1 stop16h 15mAir Canada
Deal found 12/17$939
This Delta deal was found by Cheapflights users on 12/18. 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.
Wed 12/188:05 pmICN - PDX
1 stop29h 33mDelta
Sat 1/47:24 pmPDX - ICN
1 stop27h 51mDelta
Deal found 12/18$950

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 December 18, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Tue 3/18

6:15 pm-11:55 am

Nonstop9h 40m

Seattle/Tacoma Intl

Mon 3/31

2:00 pm-5:45 pm

Nonstop11h 45m

$632

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Tue 2/11

12:45 pm-1:32 pm

1 stop17h 47m

Seattle/Tacoma Intl

Tue 2/18

7:15 am-5:40 am

1 stop29h 25m

$638

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 1/30

12:45 pm-11:20 am

1 stop15h 35m

Seattle/Tacoma Intl

Wed 2/12

3:25 pm-4:15 pm

1 stop31h 50m

$640

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 2/28

4:55 pm-2:30 pm

1 stop14h 35m

Seattle/Tacoma Intl

Thu 5/29

7:15 pm-4:05 pm

1 stop28h 50m

$645

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Tue 4/8

4:40 pm-10:50 am

Nonstop10h 10m

Seattle/Tacoma Intl

Tue 4/15

12:50 pm-4:30 pm

Nonstop11h 40m

$666

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 3/13

4:10 pm-10:00 am

Nonstop9h 50m

Seattle/Tacoma Intl

Thu 3/20

12:00 pm-3:55 pm

Nonstop11h 55m

$685

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 2/14

7:45 am-6:25 pm

2 stops27h 40m

Seattle/Tacoma Intl

Mon 2/17

3:45 pm-11:20 am

1 stop26h 35m

$752

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 2/10

6:55 pm-9:44 pm

1 stop19h 49m

Portland

Sat 2/15

9:29 pm-8:30 pm

2 stops30h 01m

$766

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Fri 1/31

6:15 pm-10:55 am

Nonstop9h 40m

Seattle/Tacoma Intl

Fri 2/7

8:03 am-5:55 pm

1 stop16h 52m

$779

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 1/31

12:45 pm-6:30 pm

2 stops22h 45m

Seattle/Tacoma Intl

Fri 2/7

5:45 am-6:15 am

2 stops31h 30m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 57 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 December 18, 2024.

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 December 18, 2024.

The most flights from KR0 to USWA are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 December 18, 2024.
Get a feel of what it's like to fly with Delta, Hawaiian Airlines and Air Canada 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.
8.4
Very good
1,269 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Boarding

8.4

Food

8.0

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
1,269 reviews
8.4
Very good
1,269 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Boarding

8.4

Food

8.0

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
1,018 reviews
8.4
Very good
1,269 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Boarding

8.4

Food

8.0

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
839 reviews
8.4
Very good
1,269 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Boarding

8.4

Food

8.0

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
1,443 reviews
8.4
Very good
1,269 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Boarding

8.4

Food

8.0

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
477 reviews
8.4
Very good
1,269 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Boarding

8.4

Food

8.0

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 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?

  • 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 $436 on Hawaiian Airlines. Other airlines that offer cheap prices include WestJet from $439 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Korea to Washington

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

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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$615Average$878FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$666Average$1,076FlexibilityNo cancel feeOn-time76%
DeltaCheapest$690Average$1,152FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$706Average$1,194FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$748Average$834FlexibilityNo cancel feeOn-time67%
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