£317 Cheap Flights from Seattle (SEA) to Seoul (ICN)
Popular airlines from Seattle-Tacoma International Airport (SEA) to Incheon Intl. Airport (ICN)
Korean AirKorean Air
EVA AirwaysEVA Airways
Cathay PacificCathay Pacific
Air CanadaAir Canada
Alaska AirlinesAlaska Airlines
Philippine AirlinesPhilippine Airlines
China AirlinesChina Airlines
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Cheap Flights from Seattle to Seoul (SEA-ICN)
Find the cheapest month to fly from Seattle (SEA) to Seoul (ICN)
March is typically the cheapest month to flyMarch is typically the cheapest month to fly
Book with confidence
Compare flights from Seattle to Seoul easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Seoul. Operating between them 4 flights per day, 9 airlines cover the route. And Korean Air, Alaska Airlines, Delta Air Lines fly direct, getting you to Incheon Intl. in just 11hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Incheon Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Incheon Intl. (ICN)
The easiest way to view the best deals on flights from Seattle to Seoul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Incheon Intl. start at just £646 and range up to £690.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Seattle and Seoul
- booking your flight during April, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Seattle to Seoul flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Incheon Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
Frequently Asked Questions
How much is a flight from SEA to Incheon Airport?
The lowest price advertised for a round-trip flight from SEA to ICN is £646. But you better get a move on. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
The majority of flights can be cancelled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to ICN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Incheon Intl. Airport (ICN)?
SeaTac to South Korea is around 8,400 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from SEA to Incheon Intl. Airport (ICN)?
A leading airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Incheon Airport is Delta Air Lines (DL). It offers 39 flights a month. Offering 21 flights every month on this route, Korean Air (KE) is another good option.
Are Sea-Tac Airport to Incheon Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Seattle - Tacoma Intl. Airport (SEA) to ICN are available up to a year before departure on Expedia. And although you may pick up fantastic last-minute deals, it's not something you should count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
Travel information
Origin airport | Seattle-Tacoma International Airport |
|---|---|
Destination airport | Incheon Intl. Airport |
Distance | 5,203 miles away |
Airlines serving | Korean Air, EVA Airways, Cathay Pacific, Air Canada, Alaska Airlines, Philippine Airlines, China Airlines, Delta, United, American Airlines, Singapore Airlines, WestJet, Turkish Airlines, Air China, Qatar Airways, Emirates, Virgin Atlantic, Lufthansa, All Nippon Airways |
Popular airline | Korean Air |
Return price | £646 |
Average flight time | 12 hours 3 mins |