Cheap flights from Seattle to Seoul

One-way fares from $428 · SEA → SEL · prices found by travellers in the last 48 hours

Compare all dates Seoul → Seattle
Cheapest fare
$428

Air Canada · Wed, Nov 18

Cheapest month
November

from $428

Direct flights
Not recently

Usually 1+ stop

Quickest trip
13h 00m

8,320 km

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Cheapest month to fly from Seattle to Seoul

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $428
  2. December 2026 $453

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Air Canada
Depart10:10 Wed, Nov 18SEA → ICN 13h 00m · 1 stop
$428one way, per person
View deal
Cathay Pacific
Depart10:25 Wed, Nov 25SEA → ICN 17h 50m · 1 stop
$431one way, per person
View deal
Air Canada
Depart10:10 Mon, Nov 16SEA → ICN 13h 00m · 1 stop
$457one way, per person
View deal
United Airlines
Depart07:00 Fri, Nov 20SEA → ICN 15h 14m · 1 stop
$654one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Seoul

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in SeoulCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in SeoulTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in SeoulPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in SeoulCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for South KoreaMobile data from the moment you land, by Airalo Get eSIM →

About flights from Seattle to Seoul

Seattle (SEA) and Seoul (SEL) are about 8,320 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 13h 00m. Over the next few months, one-way fares start from $428, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Seattle to Seoul?

The cheapest one-way fare we've seen recently is $428 with Air Canada, departing Wednesday, November 18, 2026. Over the coming months, the lowest fare in each month ranges from $428 to $453.

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

November 2026 currently has the lowest fares, from $428 one way.

Are there direct flights from Seattle to Seoul?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Seattle to Seoul?

The quickest journey we've seen takes about 13h 00m. Seattle and Seoul are around 8,320 km apart.

Which airlines fly from Seattle to Seoul?

Recent fares on this route were with Air Canada, Alaska Airlines, Cathay Pacific and United Airlines.

More cheap flights from Seattle

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