Cheap Flights from Incheon International to Seattle / Tacoma International

Compare Incheon International to Seattle / Tacoma International flight deals

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Flight deals from Incheon International to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Incheon International to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to Seattle / Tacoma International

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

Direct flights from Incheon International to Seattle / Tacoma International

Incheon International to Seattle / Tacoma International: Alternative routes

Compare routes from Incheon International to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Seoul to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRs109,316
Cheapest month to flyJune
Average flight time10 hrs, 5 mins
Most popular airlineDelta
Average flights per week65

Finding cheap flights from Incheon International to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Incheon International to Seattle / Tacoma International is Rs152,979. 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.
10 hours and 5 minutes is the average flight time from Incheon International to Seattle / Tacoma International.
Delta, Korean Air and Singapore Airlines fly direct from Incheon International to Seattle / Tacoma International.
As of May 2025, there are 65 flights per week flying from Incheon International to Seattle / Tacoma International.
The cheapest month to fly from Incheon International to Seattle / Tacoma International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Seattle / Tacoma International Airport on Wednesday, 28 May 2025.
Yes – the average flight time is 10 hours and 5 minutes.
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 Seattle / Tacoma International 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Asiana Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Flying from Incheon International Airport (ICN) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Around 10 hours 20 minutes is how long you can expect to be travelling on a direct flight from Incheon International Airport to Seattle-Tacoma International Airport.

  • Seattle's timezone is UTC-7, making Seattle 16 hours behind Seoul.

  • Every week, there are 26 Incheon International Airport to Seattle-Tacoma International Airport flights. If you want to get going as soon as possible, go for the 16:00 Korean Air flight. If you're eager to make the most of your day before you fly, the last departure is at 20:05 with Delta Air Lines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to board your ICN to SEA flight.

  • Travelling during a peak time like July? Major public holidays and other high seasons can result in longer queues and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

  • You'll find a variety of airlines operating direct flights from Incheon International Airport to Seattle-Tacoma International Airport. When you're ready to kick off your Seattle holiday, let one of these carriers transport you to this unmissable part of United States:

  • The airline with the highest number of bookings on this route is Delta Air Lines.

  • Among carriers operating ICN to SEA flights, Delta Air Lines has the highest percentage of on-time landings.

  • If you want to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Incheon International Airport to Seattle-Tacoma International Airport. These are the top stopovers between ICN and SEA:

    • Vancouver International Airport

    • Narita International Airport

    • Calgary International Airport

How to find the cheapest flights from Incheon International Airport (ICN) to Seattle-Tacoma International Airport (SEA)

  • Rs109,316 is currently the best price for a one-way Incheon International Airport to Seattle-Tacoma International Airport flight. Return flights start at Rs152,979. These fares can change based on demand.

  • Book six months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from ICN to SEA.

  • May is the cheapest month for flights from Incheon International Airport to Seattle-Tacoma International Airport. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Finding cheap flights from ICN to SEA is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Tailor your flights with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Incheon International Airport to Seattle-Tacoma International Airport.

Handy information about Incheon International Airport (ICN)

  • When it comes to Incheon International Airport's on-time performance, data shows 54.5% of flights meet their scheduled arrival time.

  • Incheon International Airport is around 48 kilometres from the centre of Seoul. To help work out how to get there, use Google Maps. This handy traveller tool will show you the best route and your public transport options.

  • The trip on public transport takes roughly 1 hour 45 minutes.

  • Get your travels off to a hassle-free start by staying near ICN. Whether you're boarding an early flight from Incheon International Airport to Seattle-Tacoma International Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 20 minutes to reach the centre driving.

  • If you're taking public transport, expect a journey time of around 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • It's time to plan your trip dates for your flight from Incheon International Airport to Seattle-Tacoma International Airport. July is the most popular month to head to Seattle. If you like a more laid-back vibe, go in May.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your flights from Incheon International Airport to Seattle-Tacoma International Airport in this month if this is the type of weather you enjoy.

  • February has average temperatures of between -1ºC and 11ºC. Search for cheap tickets from ICN to SEA sometime then if you want to travel when it's cooler.

Explore more of United States

  • Seattle has its own special appeal, but there are so many other parts of United States waiting to be explored. About 241 kilometres south of Seattle, a trip to Portland will keep you on the move. Don't miss top attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If there's time to check out another corner of United States, consider Spokane, about 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

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