Cheap flights from Seoul to Seattle

One-way fares from $470 · SEL → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → Seoul
Cheapest fare
$470

United Airlines · Wed, Dec 9

Cheapest month
December

from $470

Direct flights
Not recently

Usually 1+ stop

Quickest trip
12h 56m

8,320 km

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Cheapest month to fly from Seoul to Seattle

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

  1. November 2026 $603
  2. December 2026 Cheapest $470
  3. January 2027 $699
  4. June 2027 $665

Cheapest dates in December 2026

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

United Airlines
Depart18:00 Wed, Dec 9ICN → SEA 13h 05m · 1 stop
$470one way, per person
View deal
United Airlines
Depart18:00 Mon, Dec 14ICN → SEA 13h 00m · 1 stop
$470one way, per person
View deal
United Airlines
Depart12:45 Wed, Dec 16ICN → SEA 12h 56m · 1 stop
$470one way, per person
View deal
United Airlines
Depart18:30 Mon, Dec 7ICN → SEA 22h 33m · 2 stops
$480one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Seattle

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

Where to stay

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Getting around

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About flights from Seoul to Seattle

Seoul (SEL) and Seattle (SEA) 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 12h 56m. Over the next few months, one-way fares start from $470, and December 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 Seoul to Seattle?

The cheapest one-way fare we've seen recently is $470 with United Airlines, departing Wednesday, December 9, 2026. Over the coming months, the lowest fare in each month ranges from $470 to $699.

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

December 2026 currently has the lowest fares, from $470 one way.

Are there direct flights from Seoul to Seattle?

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

How long is the flight from Seoul to Seattle?

The quickest journey we've seen takes about 12h 56m. Seoul and Seattle are around 8,320 km apart.

Which airlines fly from Seoul to Seattle?

Recent fares on this route were with Trinity Airways, United Airlines, Philippine Airlines and Vietjet.

More cheap flights from Seoul

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