Cheap Flights from Seoul to Seattle, WA from $454

Return flight: Seattle – Seoul

On Cheapflightsplus.com you will find 5 direct and 995 connecting flights from Seoul to Seattle. You can compare airfare deals from 49 airlines and multiple travel sites from $454, book and save on cheap plane tickets and last minute offers. Also check out SEL-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Seoul to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Seoul and Seattle is 8336 miles. Time difference between the cities is 5h. Airplanes depart 00:30 to 23:55 from 3 Seoul airports and arrive 00:30 to 23:55 to 3 Seattle airports. Average flight time is 10h 10m.

  • The fastest flight 10h
  • Average flight time 10h 10m
  • The earliest flight 00:30
  • The latest flight 23:55
  • Distance 5180 ml

The cheapest months to travel to Seattle are august (from 454 $), september (from 505 $), july (from 524 $).

The most expensive months are january (from 815 $), february (from 740 $), november (from 592 $).

What is the lowest airfare Seoul to Seattle?

The cheapest plane ticket found by our users is $454. This airfare is for economy class on one-way TW241 flight by T'way Airlines for August 27, 2025 which leaves Incheon International in Seoul at 08:35 am and arrives at Seattle Seattle-Tacoma Intl at 20:37.

Economy class
$454
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Business class
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First class
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Flight Schedule Seoul to Seattle (Washington)

08:35 — 16:37
24h 2m flight time
Find flight
from$454
08:35 — 11:05 Seoul — Tokyo
TW241 T'way Airlines
5h 20m stop
16:25 — 10:10 Tokyo — Oakland
ZG30 Grozny Avia
4h 20m stop
14:30 — 16:37 Oakland — Seattle
HA6278 Hawaiian Airlines
08:35 — 20:37
28h 2m flight time
Find flight
from$454
08:35 — 11:05 Seoul — Tokyo
TW241 T'way Airlines
5h 20m stop
16:25 — 10:10 Tokyo — San Francisco
ZG30 Grozny Avia
8h 10m stop
18:53 — 21:06 San Francisco — Seattle
HA7025 Hawaiian Airlines
08:35 — 20:37
28h 2m flight time
Find flight
from$454
08:35 — 11:05 Seoul — Tokyo
TW241 T'way Airlines
10h 25m stop
21:30 — 15:20 Tokyo — San Francisco
ZG26 Grozny Avia
3h stop
18:20 — 20:37 San Francisco — Seattle
HA7025 Hawaiian Airlines
08:35 — 16:37
24h 2m flight time
Find flight
from$459
08:35 — 11:05 Seoul — Tokyo
TW241 T'way Airlines
5h 20m stop
16:25 — 10:10 Tokyo — Oakland
ZG30 Grozny Avia
4h 20m stop
14:38 — 16:38 Oakland — Seattle
AS1247 Alaska Airlines
08:35 — 15:06
22h 31m flight time
Find flight
from$468
08:35 — 11:05 Seoul — Tokyo
TW241 T'way Airlines
5h 20m stop
16:25 — 10:10 Tokyo — San Jose
ZG30 Grozny Avia
2h 42m stop
12:52 — 15:06 San Jose — Seattle
HA6864 Hawaiian Airlines
10:20 — 16:37
22h 17m flight time
Find flight
from$468
10:20 — 12:55 Seoul — Tokyo
TW243 T'way Airlines
3h 30m stop
16:25 — 10:10 Tokyo — Oakland
ZG30 Grozny Avia
4h 20m stop
14:30 — 16:37 Oakland — Seattle
HA6278 Hawaiian Airlines
10:20 — 20:37
26h 17m flight time
Find flight
from$468
10:20 — 12:55 Seoul — Tokyo
TW243 T'way Airlines
3h 30m stop
16:25 — 10:10 Tokyo — San Francisco
ZG30 Grozny Avia
8h 10m stop
18:53 — 21:06 San Francisco — Seattle
HA7025 Hawaiian Airlines
10:20 — 20:37
26h 17m flight time
Find flight
from$468
10:20 — 12:55 Seoul — Tokyo
TW243 T'way Airlines
8h 35m stop
21:30 — 15:20 Tokyo — San Francisco
ZG26 Grozny Avia
3h stop
18:20 — 20:37 San Francisco — Seattle
HA7025 Hawaiian Airlines
15:10 — 20:35
21h 25m flight time
Find flight
from$472
15:10 — 17:30 Seoul — Tokyo
ZE603 Lineas Aereas Azteca
4h stop
21:30 — 15:20 Tokyo — San Francisco
ZG26 Grozny Avia
3h 39m stop
18:53 — 21:06 San Francisco — Seattle
HA7025 Hawaiian Airlines
15:10 — 22:00
22h 50m flight time
Find flight
from$472
15:10 — 17:30 Seoul — Tokyo
ZE603 Lineas Aereas Azteca
4h stop
21:30 — 15:20 Tokyo — Oakland
ZG26 Grozny Avia
4h 38m stop
19:58 — 22:00 Oakland — Seattle
HA6282 Hawaiian Airlines
16:40 — 10:40
10h flight time
Find flight
from$619
Seoul — Seattle
KE41 Korean Air
18:20 — 12:30
10h 10m flight time
Find flight
from$606
Seoul — Seattle
OZ272 Asiana Airlines
19:20 — 13:30
10h 10m flight time
Find flight
from$661
Seoul — Seattle
KE5019 Korean Air
20:35 — 14:45
10h 10m flight time
Find flight
from$529
Seoul — Seattle
HA872 Hawaiian Airlines
20:35 — 14:45
10h 10m flight time
Find flight
from$719
Seoul — Seattle
AS8472 Alaska Airlines
Full flight schedule will help you in detecting at what time planes fly from Seoul to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 14, 2025.

Popular Airlines on the Route

The flight Seoul — Seattle is served by 49 regular airlines and 10 low-cost airlines. Most of the flights on this route are operated by Philippine Airlines - 2 departures per week at the price of from $ 857 . And the most expensive tickets are offered by All Nippon Airways airline - from $ 1693.

Direct flights

There are 5 nonstop flights on the route. The fastest direct flight is KE41 by Korean Air takes 10h and the cheapest is TW241 by T'way Airlines for $529.

  • AS - Alaska Airlines
    from $719
    Find
  • HA - Hawaiian Airlines
    from $529
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  • KE - Korean Air
    from $619
    Find
  • OZ - Asiana Airlines
    from $606
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See more direct flights

Connecting Flights

There are 995 flights with layovers on the route. The fastest connecting flight is AC64 by Air Canada takes 12h 31m and the cheapest is TW241 by T'way Airlines for $454.

  • 3U - Sichuan Airlines
    from $550
    Find
  • PR - Philippine Airlines
    from $857
    Find
  • TW - T'way Airlines
    from $454
    Find
  • LO - LOT
    from $1367
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  • UA - United Airlines
    from $641
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  • LX - SWISS International Air Lines
    from $1015
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  • HU - Hainan Airlines
    from $1412
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  • HX - Hong Kong Airlines
    from $604
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  • YP - YP
    from $499
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  • Z2 - AirAsia Zest
    from $613
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  • MF - Xiamen Airlines
    from $591
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  • UO - Hong Kong Express Airways
    from $536
    Find
See more connecting flights

Airports

You can fly from Seoul to Seattle from 3 airports (Incheon International, Gimpo International, Seoul AB).

Seoul airports

  • Incheon International-ICN
    from $454
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  • Gimpo International-GMP
    from $665
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  • Seoul AB-SSN
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Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
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  • Kenmore Air Harbor SPB-LKE
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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