Flights from Seattle to Seoul

Flight deals from Seattle to Seoul

Looking for cheap tickets from Seattle to Seoul, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Seoul.ج.م.‏ 34,355 per passenger.Departing Mon, 1 Sep, returning Wed, 3 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 1 Sep, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Wed, 3 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ج.م.‏ 34,355, select.

Flying from Seattle to Seoul

Arm yourself with these facts on the fly.

Cheapest flight found	ج.م.‏ 22,756, Seoul
Cheapest month to fly	July
Average flight time	11 hrs, 51 mins
Cheapest airport to fly from	Seattle / Tacoma International
Most popular airline	Asiana Airlines

How to find cheap flights from Seattle to Seoul

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle to Seoul. Other savvy travellers recently found return flights from ج.م.‏ 34,355 and one-way tickets from ج.م.‏ 22,756 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Seattle / Tacoma International into Seoul

At the moment, the lowest priced flight tickets to Seoul are from Seattle / Tacoma International Airport to Incheon International Airport.

Fly in July

We crunched the flight calendar and found the cheapest time to fly from Seattle to Seoul is currently July.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from Seattle to Seoul.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle to anywhere you choose in Seoul.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle to Seoul go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Seattle to Seoul flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Seattle to Seoul flight price?

We looked at all of the upcoming return flights from Seattle to Seoul we could find over the next 12 months. It looks like ج.م.‏ 34,355 is the best price. This is good, compared to the average Seoul ticket price of ج.م.‏ 60,459.

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

The cheapest month to fly from Seattle to Seoul is currently September.

Which upcoming date is cheapest to fly from Seattle to Seoul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Seoul on Monday, 1 September 2025.

Are there any direct flights from Seattle to Seoul?

Seattle / Tacoma International Airport offers direct flights to Seoul.

If I'm flying from Seattle, where in Seoul is cheapest to fly into?

If you're flying from Seattle, the cheapest city in Seoul to fly into is Seoul. The cheapest airport serving Seoul at the moment is Incheon International.

How long is the flight from Seattle to Seoul?

The average flight time between Seattle and Seoul is 11 hours and 51 minutes.