Cheap Flights from Seoul to Seattle, WA from $445

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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 $445, 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.

Find One-Way and Round-Trip Seoul to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $445 (one-way), $763 (round-trip).

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Best Flights from Seoul to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Seoul to Seattle with the lowest price of $445. The fastest direct flight takes 10h and the fastest connecting – 12h 31m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $518 Find flight	20:35 Seoul Incheon International	14:45 Seattle Seattle-Tacoma Intl	10h 10m	Hawaiian Airlines	HA872
from $593 Find flight	18:20 Seoul Incheon International	12:30 Seattle Seattle-Tacoma Intl	10h 10m	Asiana Airlines	OZ272
from $606 Find flight	16:40 Seoul Incheon International	10:40 Seattle Seattle-Tacoma Intl	10h 0m	Korean Air	KE41
from $489 Find flight	22:05 Seoul Incheon International	23:59 Seattle Seattle-Tacoma Intl	17h 54m layover 3h 50m - Los Angeles	YP	YP103 HA4960
from $564 Find flight	17:45 Seoul Incheon International	14:16 Seattle Seattle-Tacoma Intl	12h 31m layover 1h 30m - Vancouver	Air Canada	AC64 AC8804
from $445 Find flight	08:35 Seoul Incheon International	16:37 Seattle Seattle-Tacoma Intl	24h 2m layover 5h 20m - Tokyo 4h 20m - Oakland	T'way Airlines	TW241 ZG30 HA6278
from $462 Find flight	15:10 Seoul Incheon International	22:00 Seattle Seattle-Tacoma Intl	22h 50m layover 4h 0m - Tokyo 4h 38m - Oakland	Lineas Aereas Azteca	ZE603 ZG26 HA6282

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 15, 2025

Flight Schedule Seoul to Seattle (Washington)

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	Flight Details	Flight Duration	Price
08:35 — 16:37	08:35 — 11:05 TW241 T'way Airlines Seoul — Tokyo 5h 20m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — Oakland 4h 20m stop 14:30 — 16:37 HA6278 Hawaiian Airlines Oakland — Seattle	24h 2m including layover	Find flight from$445
08:35 — 20:37	08:35 — 11:05 TW241 T'way Airlines Seoul — Tokyo 5h 20m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — San Francisco 8h 10m stop 18:53 — 21:06 HA7025 Hawaiian Airlines San Francisco — Seattle	28h 2m including layover	Find flight from$445
08:35 — 20:37	08:35 — 11:05 TW241 T'way Airlines Seoul — Tokyo 10h 25m stop 21:30 — 15:20 ZG26 Grozny Avia Tokyo — San Francisco 3h stop 18:20 — 20:37 HA7025 Hawaiian Airlines San Francisco — Seattle	28h 2m including layover	Find flight from$445
08:35 — 16:37	08:35 — 11:05 TW241 T'way Airlines Seoul — Tokyo 5h 20m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — Oakland 4h 20m stop 14:38 — 16:38 AS1247 Alaska Airlines Oakland — Seattle	24h 2m including layover	Find flight from$449
08:35 — 15:06	08:35 — 11:05 TW241 T'way Airlines Seoul — Tokyo 5h 20m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — San Jose 2h 42m stop 12:52 — 15:06 HA6864 Hawaiian Airlines San Jose — Seattle	22h 31m including layover	Find flight from$459
08:35 — 15:06	08:35 — 11:05 TW241 T'way Airlines Seoul — Tokyo 5h 20m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — San Jose 2h 42m stop 12:52 — 15:06 AS1081 Alaska Airlines San Jose — Seattle	22h 31m including layover	Find flight from$463
10:20 — 16:37	10:20 — 12:55 TW243 T'way Airlines Seoul — Tokyo 3h 30m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — Oakland 4h 20m stop 14:30 — 16:37 HA6278 Hawaiian Airlines Oakland — Seattle	22h 17m including layover	Find flight from$458
10:20 — 20:37	10:20 — 12:55 TW243 T'way Airlines Seoul — Tokyo 3h 30m stop 16:25 — 10:10 ZG30 Grozny Avia Tokyo — San Francisco 8h 10m stop 18:53 — 21:06 HA7025 Hawaiian Airlines San Francisco — Seattle	26h 17m including layover	Find flight from$458
10:20 — 20:37	10:20 — 12:55 TW243 T'way Airlines Seoul — Tokyo 8h 35m stop 21:30 — 15:20 ZG26 Grozny Avia Tokyo — San Francisco 3h stop 18:20 — 20:37 HA7025 Hawaiian Airlines San Francisco — Seattle	26h 17m including layover	Find flight from$458
15:10 — 22:00	15:10 — 17:30 ZE603 Lineas Aereas Azteca Seoul — Tokyo 4h stop 21:30 — 15:20 ZG26 Grozny Avia Tokyo — Oakland 4h 38m stop 19:58 — 22:00 HA6282 Hawaiian Airlines Oakland — Seattle	22h 50m including layover	Find flight from$462
16:40 — 10:40	16:40 — 10:40 KE41 Korean Air Seoul — Seattle	10h	Find flight from$606
18:20 — 12:30	18:20 — 12:30 OZ272 Asiana Airlines Seoul — Seattle	10h 10m	Find flight from$593
19:20 — 13:30	19:20 — 13:30 KE5019 Korean Air Seoul — Seattle	10h 10m	Find flight from$647
20:35 — 14:45	20:35 — 14:45 HA872 Hawaiian Airlines Seoul — Seattle	10h 10m	Find flight from$518
20:35 — 14:45	20:35 — 14:45 AS8472 Alaska Airlines Seoul — Seattle	10h 10m	Find flight from$704

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 15, 2025

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 445 $), september (from 494 $), july (from 513 $).

The most expensive months are january (from 798 $), february (from 725 $), november (from 580 $).

What is the lowest airfare Seoul to Seattle?

The cheapest plane ticket found by our users is $445. 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

$445

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Business class

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First class

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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 $ 839 . And the most expensive tickets are offered by Japan Airlines - JAL airline - from $ 2079.

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 $518.

AS - Alaska Airlines

from $704

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HA - Hawaiian Airlines

from $518

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KE - Korean Air

from $606

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OZ - Asiana Airlines

from $593

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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 $445.

3U - Sichuan Airlines

from $539

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PR - Philippine Airlines

from $839

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TW - T'way Airlines

from $445

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LO - LOT

from $1339

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UA - United Airlines

from $628

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LX - SWISS International Air Lines

from $993

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HU - Hainan Airlines

from $1382

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HX - Hong Kong Airlines

from $591

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YP - YP

from $489

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Z2 - AirAsia Zest

from $600

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MF - Xiamen Airlines

from $579

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UO - Hong Kong Express Airways

from $525

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Airports

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

Seoul airports

Incheon International-ICN

from $445
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Gimpo International-GMP

from $651
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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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Airplanes

There are flights to Seattle from Seoul by 49 airlines that use 3 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 777-300ER

from $861

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Boeing 787-8

from $963

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Boeing 767-300

from $974

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Top International Destinations from Seoul

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Seoul — New York

from $844

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Seoul — Los Angeles

from $71

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Seoul — Seattle

from $61

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Seoul — Atlanta

from $73

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Seoul — San Francisco

from $77

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Seoul — Honolulu

from $56

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Seoul — Chicago

from $59

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Seoul — Boston

from $70

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Seoul — Dallas

from $78

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Seoul — Las Vegas

from $65

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How to book a plane 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.
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