Seoul, South KoreaSeattle

Flights from Seoul to Seattle

Nonstop flights from Seoul (ICN) to Seattle (SEA) take about 10h 58m (8,373 km). Korean Air and Alaska Airlines fly it. Lowest fare seen: $856 one-way, nonstop (22 Oct 2026).

All flights from Seoul →All flights to Seattle →

Photo of Seattle: Stephen Leonardi on Pexels.

When you land in Seattle

The airport transfer and the few things worth sorting before you fly.

Alaska Airlines plane soaring through a bright sky with fluffy clouds in Seattle. — arriving in Seattle

Airport transfer

SEA → Seattle, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices

Red facade of Seoul Square with multiple international flags displayed. — lounges at Seoul Incheon Airport

Seoul Incheon Airport · 10 lounges

Before you flyAirport lounges at Seoul Incheon →

Trains, buses and taxi faresSEA to Seattle: getting into town →Early arrival or late flightLuggage storage in Seattle →10 drop-off points, from $4.90

Things to book in Seattle

All 22 things to do in Seattle →

from €3.57

Seattle Center Monorail 4.5 · 1,891 Tiqets reviews

from €44.59

Seattle Aquarium 4.3 · 353 Tiqets reviews

from €20.49

Woodland Park Zoo 4.6 · 143 Tiqets reviews

from €43.10

Seattle Sightseeing Cruises 4.6 · 61 Tiqets reviews

Find hotels in Seattle

Hotels, hostels & more · Expedia

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Airlines flying Seoul to Seattle

Carriers on ICN–SEA according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.

✈ Korean Airnonstop fare seen✈ Alaska Airlinesnonstop fare seen

Seoul to Seattle fares by month

Cheapest month seen for a nonstop flight: Dec 2026, from $856 one-way. With stops: Dec 2026, from $546. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

Departing	Nonstop from	Cheaper with stops
Oct 2026	$88323 Oct 2026 · Korean Air	$587 · 2 stops23 Oct 2026
Nov 2026	$9202 Nov 2026 · Korean Air	$603 · 3 stops22 Nov 2026
Dec 2026	$85610 Dec 2026 · Korean Air	$546 · 2 stops10 Dec 2026

When to go for the lowest fare

Fares were close across the months we saw: $587 for October 2026, $546 at best after that.

Nonstop or with a stop

A connection undercut nonstop in 3 of 3 months with both fares.

From Travelpayouts flight-search data, city to city (Seoul to Seattle, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

More for this trip

Frequently asked questions — Seoul to Seattle flights

How long is the flight from Seoul to Seattle?

A nonstop flight from Seoul (ICN) to Seattle (SEA) takes about 10h 58m, covering 8,373 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.

How far is Seoul from Seattle by air?

The great-circle distance between Incheon International Airport and Seattle–Tacoma International Airport is 8,373 km (5,203 miles), a ultra long-haul route.

Which airlines fly from Seoul to Seattle?

Airlines with flights or nonstop fares on the ICN–SEA route include Korean Air and Alaska Airlines. This is not a complete list — schedules change by season, so check the current options before booking.

How much does a flight from Seoul to Seattle cost?

The lowest one-way fare seen recently on ICN–SEA was $856 USD with Korean Air (nonstop), departing 10 Dec 2026, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.

What is the cheapest month to fly from Seoul to Seattle?

In fares seen on 22 Oct 2026, departures in December 2026 were cheapest, from $546 one-way, against $603 for November 2026, the dearest month. Fares change daily, so check your own dates.

Is it cheaper to fly nonstop or with a stop from Seoul to Seattle?

In the fares we saw (22 Oct 2026), connecting was cheaper: from $546 with 2 stops against $856 nonstop, a saving of $310. Nonstop saves the connection time.

Do I need a visa to travel from South Korea to Seattle?

It depends on your passport. Some nationalities can enter Seattle visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

Ready to book ICN–SEA?

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