Cheap Flights from Seattle (SEA) to Seoul (SEL)

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Flight deals from Seattle to Seoul

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

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Find the cheapest month to fly from Seattle to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Seoul flights are currently cheapest in September.

Direct flights from Seattle to Seoul

Alternative Seattle to Seoul routes

Looking for the cheapest, fastest or easiest route from Seattle to Seoul? You could fly into the following airports instead.

Seattle to Seoul: Flight information

The things to know before you go.
Cheapest flight found$906
Cheapest month to flySeptember
Average flight time12 hrs, 1 min
Most popular airlineDelta
Average flights per week66

Finding cheap flights from Seattle to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International Airport and Incheon International Airport.
The best price we found for a round-trip flight from Seattle to Seoul is $906. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
12 hours and 1 minute is the average flight time from Seattle to Seoul.
Delta, Korean Air and Asiana Airlines fly direct from Seattle to Seoul.
There are 64 flights per week flying from Seattle to Seoul, as of May 2024.
The cheapest month to fly from Seattle to Seoul is usually September.
If you're flying from Seattle, the cheapest airport near Seoul is Incheon International Airport – which is 29.7 miles away from the center of Seoul. We've found flights to this airport from $906.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Seoul on Monday, September 9, 2024.
Yes – the average flight time is 12 hours and 1 minute.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 60°F. August is typically the warmest month in Seoul, when it usually averages around 82°F. You can expect the least rain in January. The coldest month is January, with temperatures averaging 17°F. The rainiest month is July.
The cheapest airline that flies to Seoul is China Airlines, and the cheapest airline that flies to Incheon International Airport Airport is Asiana Airlines.

Airline Service and Flight Information

When choosing a flight from Seattle to Seoul you will be starting your first leg of your journey at the Seattle-Tacoma International Airport which provides all the commercial airline service for the Seattle area.  When arriving in Seoul, your destination will be either Seoul Incheon International or Seoul Gimpo.  When choosing flights between Seattle and Seoul, there are four airlines that provide direct flight service.  You can choose from Asianan Airlines, Korean Air, Delta, or Thai Airways.

What Can You Expect With Connecting Flights

You can also choose airline service from Seattle to Seoul via connecting flights on airlines including Hawaiian Airlines, Air China, Alaska Airlines, JetBlue, Cathay Pacific, Hainan Airlines, United, ANA, and many more.  Some of the connecting cities available for flights include Peking, Tokyo, Los Angeles, Shanghai, Vancouver, and San Francisco.    Layovers for connecting flights range from as short as two hours to overnight layovers of 15 hours or more.

Which Terminal Will You Depart From?

All flights from Seattle-Tacoma Airport depart from the central terminal. If you have some time to wait before the departure of your flight, tour the airport and view the various art.  The airport is home to nearly 100 works of art by both regional and international artists.  Sea-Tac also offers a variety of dining and shopping options to help you pass the time.

When Should You Arrive at the Airport?

When traveling internationally, the airport recommends arriving at the airport at least three hours in advance of your departure time to ensure you get through security and check-in, even during peak times or travel season.  When parking a vehicle allow 20 to 30 minutes more to park and get to the terminal.

Arrival in Seoul

You can expect a slight increase in temperature when traveling from Seattle to Seoul as well as a lot more sunshine.  Temperatures in Seoul, Korea tend to run about five to ten degrees higher than the Seattle area.

Leaving the Airport

Gimpo International Airport

When leaving Gimpo International Airport you can find service to your hotel or final destination via the line service that is available right by the airport.

Incheon International Airport

Upon arrival to the Incheon Airport, you may be required to ride the airport bus to get to the exit of the airport.  You can get access to your destination via multiple public transport options including bus and taxi service or you can choose from one of the car rental options available.

Tips for Saving Money in Seoul

Seoul is a very expensive city with a lot to see.  To help save a few bucks on your trip, take advantage of the public transport such as the bus routes or the subway systems.  If you are an outdoor enthusiast you will have plenty to see as there are many hiking trails and national parks.  If you are looking for some cheap intracity travel, the town has great bike routes as well as bike rental companies.  To save money on dining and really immerse yourself in the culture, opt for local authentic Korean eateries that are significantly cheaper options.

 


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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.