Washington

$394+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SEA
feb. 25 — mar. 41
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Cheap flight deals from South Korea to Washington

Keep the following information in mind while searching for South Korea to Washington flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$651
(WhyPayMore)

One-way from

$394
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$741

Good round-trip deal

$707 or less

Good one-way deal

$592 or less
Provider with most accurate pricing for Seoul (SEL)-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Seattle/Tacoma Intl flights.
From South Korea to Washington
One-way flight from South Korea to Washington
Highest demand for flights based on searches. 20% potential increase in price ($246 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from South Korea to Washington.
Price to beat on a 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 febrero 20, 2025.

This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
lun. 3/104:55 pmICN - SEA
1 stop17h 30mAir Canada
lun. 3/247:05 pmSEA - ICN
1 stop28h 20mAir Canada
Deal found 2/20$651
This Gotogate deal was found by Cheapflights users on 2/20. 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.
mié. 2/2610:35 pmICN - SEA
2 stops26h 25mHainan Airlines
jue. 3/610:00 amSEA - ICN
2 stops42h 30mHainan Airlines
Deal found 2/20$710
This Gotogate deal was found by Cheapflights users on 2/20. 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.
dom. 10/267:50 pmGMP - SEA
2 stops38h 35mANA
mié. 10/294:40 pmSEA - GMP
1 stop26h 40mANA
Deal found 2/20$714
This Air Canada deal was found by Cheapflights users on 2/19. 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.
mié. 5/215:45 pmICN - SEA
1 stop12h 28mMultiple Airlines
mié. 5/2810:00 amSEA - ICN
2 stops19h 40mMultiple Airlines
Deal found 2/19$715
This Air Canada deal was found by Cheapflights users on 2/19. 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.
mié. 5/1410:35 amICN - PDX
2 stops20h 05mMultiple Airlines
dom. 5/2510:10 amPDX - ICN
2 stops19h 30mMultiple Airlines
Deal found 2/19$757
This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
mié. 4/165:45 pmICN - PDX
1 stop13h 00mAir Canada
jue. 5/17:40 pmPDX - ICN
1 stop28h 25mAir Canada
Deal found 2/20$788
This Gotogate deal was found by Cheapflights users on 2/20. 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.
sáb. 5/248:45 pmICN - SEA
2 stops31h 46mWestJet
vie. 5/301:15 pmSEA - ICN
2 stops37h 30mWestJet
Deal found 2/20$801
This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
mié. 3/199:25 pmICN - SEA
1 stop16h 30mHawaiian Airlines
mié. 3/266:40 pmSEA - ICN
1 stop32h 45mHawaiian Airlines
Deal found 2/20$815
This Gotogate deal was found by Cheapflights users on 2/20. 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.
jue. 4/2412:35 pmICN - SEA
1 stop22h 55mChina Airlines
dom. 4/271:10 amSEA - ICN
1 stop26h 25mChina Airlines
Deal found 2/20$835
This Delta deal was found by Cheapflights users on 2/18. 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.
jue. 2/208:05 pmICN - PDX
1 stop17h 45mDelta
mié. 3/511:30 amPDX - ICN
1 stop35h 45mDelta
Deal found 2/18$845
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/68:50 pmICN - SEA
1 stop14h 48mAsiana Airlines
jue. 3/131:45 pmSEA - ICN
Nonstop12h 05mAsiana Airlines
Deal found 2/20$848
This United Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 2/206:00 pmICN - PDX
1 stop23h 35mUnited Airlines
jue. 3/136:00 amPDX - ICN
1 stop17h 15mUnited Airlines
Deal found 2/19$874

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 febrero 20, 2025.

Fly from

South Korea

Fly to

Washington

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

vie. 5/23

5:45 pm-2:13 pm

1 stop12h 28m

Seattle/Tacoma Intl

dom. 6/1

7:15 pm-4:05 pm

1 stop28h 50m

$651

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mié. 3/26

10:35 pm-9:00 am

2 stops26h 25m

Seattle/Tacoma Intl

jue. 4/3

11:00 am-9:30 pm

2 stops42h 30m

$714

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

lun. 5/19

5:45 pm-2:13 pm

1 stop12h 28m

Seattle/Tacoma Intl

lun. 5/26

10:00 am-9:40 pm

2 stops19h 40m

$715

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mié. 5/14

10:35 am-2:40 pm

2 stops20h 05m

Portland

dom. 5/25

10:10 am-9:40 pm

2 stops19h 30m

$757

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

mié. 5/28

7:40 am-2:25 pm

1 stop22h 45m

Seattle/Tacoma Intl

mié. 7/23

4:30 pm-11:05 am

1 stop26h 35m

$781

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

mié. 4/16

5:45 pm-2:45 pm

1 stop13h 00m

Portland

jue. 5/1

7:40 pm-4:05 pm

1 stop28h 25m

$788

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

jue. 4/10

8:45 pm-10:00 am

2 stops29h 15m

Seattle/Tacoma Intl

jue. 4/24

3:15 pm-6:45 pm

1 stop35h 30m

$814

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

mié. 3/19

9:25 pm-9:55 pm

1 stop16h 30m

Seattle/Tacoma Intl

mié. 3/26

6:40 pm-7:25 pm

1 stop32h 45m

$815

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

lun. 4/14

4:40 pm-10:40 am

Nonstop10h 00m

Seattle/Tacoma Intl

lun. 4/28

12:50 pm-4:40 pm

Nonstop11h 50m

$818

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

dom. 5/4

12:35 pm-7:30 pm

1 stop22h 55m

Seattle/Tacoma Intl

mar. 5/6

1:10 am-7:35 pm

1 stop26h 25m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 52 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 febrero 20, 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 febrero 20, 2025.

The most flights from KR0 to USWA are scheduled on a Tuesday (12 on average). You will have fewer flight options on Sunday, 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 febrero 20, 2025.
Get a feel of what it's like to fly with EVA Air, ANA and Korean Air 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.

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

8.4
Very good

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 $408 on Hainan Airlines. Other airlines that offer cheap prices include WestJet from $410 and Air Canada from $464 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$595Average$834FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$615Average$950FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$665Average$1,038FlexibilityNo cancel feeOn-time76%
DeltaCheapest$671Average$1,154FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$684Average$1,156FlexibilityNo cancel feeOn-time81%
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