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$282+ Cheap flights from Seoul (SEL) 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SEA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Seoul to Washington

Keep the following information in mind while searching for Seoul to Washington flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$444
(WhyPayMore)

One-way from

$282
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$777

Good round-trip deal

$641 or less

Good one-way deal

$587 or less
Provider with most accurate pricing for Seoul (SEL)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Seattle/Tacoma Intl flights.
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From Seoul (SEL) to Washington
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One-way flight from Seoul (SEL) to Washington
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Highest demand for flights based on searches. 25% potential increase in price ($298 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Washington.
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Price to beat on a one-way flight from Seoul (SEL) to Washington.
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Find flight deals from Seoul to Washington

Cheapest flights from Seoul to Washington
Explore the most affordable flight options available from Seoul to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This WhyPayMore deal was found by Cheapflights users on 4/23. 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.
Fri 10/105:45 pmICN - PDX
1 stop13h 01mAir Canada
Sun 10/197:40 pmPDX - ICN
1 stop28h 25mAir Canada
Deal found 4/23$444
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Mon 9/155:45 pmICN - SEA
1 stop12h 31mAir Canada
Fri 9/195:30 amSEA - ICN
1 stop18h 35mAir Canada
Deal found 4/23$454
This Gotogate deal was found by Cheapflights users on 4/24. 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 5/74:40 pmICN - SEA
Nonstop10h 00mKorean Air
Tue 5/2012:50 pmSEA - ICN
Nonstop11h 50mKorean Air
Deal found 4/24$459
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 5/611:30 amICN - SEA
3 stops25h 32mUnited Airlines
Sun 5/115:13 pmSEA - ICN
2 stops29h 47mUnited Airlines
Deal found 4/24$487
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/44:50 pmICN - PDX
1 stop19h 57mUnited Airlines
Wed 7/91:37 pmPDX - ICN
1 stop22h 43mUnited Airlines
Deal found 4/23$517
This WhyPayMore deal was found by Cheapflights users on 4/22. 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.
Sat 5/36:20 pmICN - SEA
Nonstop10h 10mAsiana Airlines
Tue 5/132:15 pmSEA - ICN
Nonstop11h 40mAsiana Airlines
Deal found 4/22$519
This WhyPayMore deal was found by Cheapflights users on 4/23. 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.
Sat 10/255:45 pmICN - PDX
2 stops16h 53mMultiple Airlines
Sun 11/27:05 pmPDX - ICN
1 stop29h 00mMultiple Airlines
Deal found 4/23$581
This Delta deal was found by Cheapflights users on 4/24. 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 5/139:00 pmICN - SEA
1 stop17h 25mDelta
Fri 6/61:20 pmSEA - ICN
Nonstop11h 20mDelta
Deal found 4/24$588
This Air Canada deal was found by Cheapflights users on 4/23. 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 9/3010:40 amICN - SEA
2 stops19h 36mMultiple Airlines
Fri 10/245:30 amSEA - ICN
1 stop18h 35mMultiple Airlines
Deal found 4/23$600
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:20 pmICN - PDX
1 stop13h 39mKorean Air
Sat 5/175:06 pmPDX - ICN
1 stop32h 44mKorean Air
Deal found 4/23$670
This Gotogate deal was found by Cheapflights users on 4/23. 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 6/28:45 pmICN - SEA
1 stop15h 43mWestJet
Fri 7/187:05 amSEA - ICN
1 stop19h 40mWestJet
Deal found 4/23$764
This Tourvis deal was found by Cheapflights users on 4/24. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:20 pmICN - GEG
1 stop13h 16mMultiple Airlines
Sat 5/315:25 pmGEG - ICN
1 stop19h 05mMultiple Airlines
Deal found 4/24$809

Cheapflights Fare Finder

Customize your flight search to find flights from Seoul 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 April 24, 2025.
Use the filters below to find and compare flights from Seoul to Washington that are best for you.

Fly from

Seoul

Fly to

Washington

Route

Depart

Return

Price

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Fri 10/10

5:45 pm-2:46 pm

1 stop13h 01m

Portland

Sun 10/19

7:40 pm-4:05 pm

1 stop28h 25m

$444

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 9/15

5:45 pm-2:16 pm

1 stop12h 31m

Seattle/Tacoma Intl

Fri 9/19

5:30 am-4:05 pm

1 stop18h 35m

$454

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 5/7

4:40 pm-10:40 am

Nonstop10h 00m

Seattle/Tacoma Intl

Thu 6/26

1:20 pm-4:40 pm

Nonstop11h 20m

$459

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Wed 5/7

4:50 pm-12:59 am

1 stop24h 09m

Seattle/Tacoma Intl

Mon 5/12

5:05 am-3:00 pm

1 stop17h 55m

$487

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Wed 6/4

4:50 pm-8:47 pm

1 stop19h 57m

Portland

Wed 7/9

1:37 pm-4:20 am

1 stop22h 43m

$517

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Sat 5/3

6:20 pm-12:30 pm

Nonstop10h 10m

Seattle/Tacoma Intl

Sat 5/10

2:15 pm-5:55 pm

Nonstop11h 40m

$521

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 5/5

7:20 pm-1:35 pm

Nonstop10h 15m

Seattle/Tacoma Intl

Mon 5/19

6:15 am-5:20 pm

1 stop19h 05m

$584

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Tue 9/30

10:40 am-2:16 pm

2 stops19h 36m

Seattle/Tacoma Intl

Fri 10/24

5:30 am-4:05 pm

1 stop18h 35m

$600

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 5/12

5:45 pm-9:06 pm

2 stops19h 21m

Portland

Sat 5/17

7:40 pm-4:05 pm

1 stop28h 25m

$656

IncheonPortland

ICN - PDX

ICNPDX

Incheon Intl

Mon 5/12

7:20 pm-4:59 pm

1 stop13h 39m

Portland

Sat 5/17

5:06 pm-5:50 pm

1 stop32h 44m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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

Have a flexible travel schedule? Discover the best time to fly to Washington from Seoul 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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Washington

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

Currently, January is the cheapest month in which you can book a flight from Seoul to State of Washington (average of $238). Flying from Seoul 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 SEL to WA?

Find hourly flight availability from Seoul 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 April 24, 2025.

When flying from Seoul to State of Washington, 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 Seoul to State of Washington

Explore weekly flight availability from Seoul 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 April 24, 2025.

The most flights from SEL to USWA are scheduled on a Monday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 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 April 24, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Seoul to Washington. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,453 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
ANA
8.3
Very good
853 reviews
EVA Air
8.4
Very good
1,180 reviews

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

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

    Within the past month, 1 users have taken a look at flights from Seoul to Washington.

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

    $476 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from $524 and $531, respectively.

  • What are the most popular routes from Seoul to State of Washington?

    The most popular route from Seoul to State of Washington is Incheon Intl - Seattle/Tacoma Intl. You may also consider Seoul Gimpo Intl - Seattle/Tacoma Intl or Incheon Intl - Portland.

  • What are the most reliable airlines from Seoul to State of Washington?

    No one likes to see their flight delayed. When booking a flight from Seoul to State of Washington consider choosing Delta (58%), Korean Air (58%) or Thai Airways (34%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seoul to State of Washington?

    The cheapest flight price from Seoul to State of Washington is $447. On average you can expect to pay $1,448. The most popular route, (Incheon Intl - Seattle/Tacoma Intl), can usually be booked for $485.

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

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

  • How can I find direct flights from Seoul to Washington?

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seoul to State of Washington (average of $238). Flying from Seoul 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

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Alternative routes for Seoul to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Seoul to Washington

Discover the top 6 airlines that operate flights from Seoul 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$474Average$752FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$515Average$1,091FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$516Average$862FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$538Average$718FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$642Average$992FlexibilityNo cancel feeOn-time76%
DeltaCheapest$667Average$1,084FlexibilityNo cancel feeOn-timeN/A

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