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Flight tickets from Incheon International to Seattle

Compare Incheon International to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Incheon International to Seattle

Looking for a cheap last-minute deal or the best return flight from Incheon International to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.₹ 33,223 per passenger.Departing Sat, 22 Nov.One-way flight with T'way Air.Outbound indirect flight with T'way Air, departs from Incheon International on Sat, 22 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 33,223, select.
Seattle.₹ 33,796 per passenger.Departing Mon, 13 Oct.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Mon, 13 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 33,796, select.
Seattle.₹ 35,258 per passenger.Departing Thu, 25 Sep.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Thu, 25 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 35,258, select.
Seattle.₹ 35,294 per passenger.Departing Fri, 13 Mar.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Fri, 13 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 35,294, select.
Seattle.₹ 35,362 per passenger.Departing Wed, 10 Dec.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 10 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 35,362, select.
Seattle.₹ 35,362 per passenger.Departing Mon, 2 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon, 2 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 35,362, select.
Seattle.₹ 35,392 per passenger.Departing Sat, 11 Apr.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Sat, 11 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 35,392, select.
Seattle.₹ 36,034 per passenger.Departing Mon, 6 Oct.One-way flight with Asiana Airlines.Outbound direct flight with Asiana Airlines departs from Incheon International on Mon, 6 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From ₹ 36,034, select.

Find the cheapest month to fly from Incheon International to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Seattle flights are currently cheapest in November.
Aug
from ₹ 57,427
Sep
from ₹ 35,258
Oct
from ₹ 33,796
Nov
from ₹ 33,223
Dec
from ₹ 35,362
Jan
from ₹ 37,933
Feb
from ₹ 35,362
Mar
from ₹ 35,294
Apr
from ₹ 35,392
May
from ₹ 39,394
Jun
from ₹ 50,906
Jul
from ₹ 53,053

Direct flights from Incheon International to Seattle

Alternative Incheon International to Seattle routes

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

Seoul to Seattle: Flight information

The things to know before you go.
Cheapest flight found₹ 33,223
Cheapest month to flyNovember
Average flight time10 hrs, 10 mins

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

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Incheon International to Seattle is ₹ 38,259. 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.
Delta, Korean Air and Singapore Airlines fly direct from Incheon International to Seattle.
As of August 2025, there are no flights flying from Incheon International to Seattle.
The cheapest month to fly from Incheon International to Seattle is usually October.
If you're flying from Incheon International Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ₹ 38,259.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Seattle on Friday, 24 October 2025.
No airlines currently offer direct flights between Incheon International Airport and Seattle. Most routes have one or more stops.
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 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.
In August, the average temperature is usually around 18°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Alaska Airlines and Hawaiian Airlines offer the cheapest flight tickets to Seattle.

Travelling from Incheon International Airport (ICN) to Seattle: what you need to know

  • The average duration of a direct flight from Incheon International Airport to Seattle is 11 hours 45 minutes.

  • The timezone in Seattle is UTC-7. The city is 16 hours behind Seoul, where Incheon International Airport is located.

  • Incheon International Airport (ICN) to Seattle-Tacoma International Airport (SEA) is the most popular route, with 20 weekly departures to choose from. If you prefer starting your day later, the last flight from ICN to SEA is with Delta Air Lines at 20:05. Opt for the first departure operated by Korean Air at 16:10 if you want to get on your way earlier.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your ICN to Seattle flight.

  • If you're jetting off during a major holiday or another peak period, allow for even more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • Begin your trip at ICN and fly nonstop to Seattle-Tacoma International Airport (SEA). That's where you can expect to touch down when searching for Incheon International Airport to Seattle tickets.

  • Popular airlines that offer direct flights from Incheon International Airport to Seattle include:

  • Consider adding a stopover to potentially find a cheaper flight ticket from ICN to Seattle. Simply uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these popular airports:

    • Vancouver International Airport (YVR)

    • Narita International Airport (NRT)

    • Calgary International Airport (YYC)

  • The distance from central Seoul to ICN is around 48 kilometres. Check out travel apps like Google Maps for the best way to get there, whether you're driving or taking public transport.

  • Booked an early flight from Incheon International Airport to Seattle? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near ICN:

  • 54.5% of flights that take off from Incheon International Airport arrive at their destination on time.

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

  • ₹ 33,223 is the lowest price we've found for a one-way Incheon International Airport to Seattle flight. A round-trip ticket right now is ₹ 38,259. Depending on the availability and when you book, these fares may change.

  • To score cheap flights from ICN to Seattle, reserve your journey one month ahead of your planned departure.

  • May is the best month for scoring an incredible deal on Incheon International Airport to Seattle tickets. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • You don't need to check in daily to see if fares have dropped when you create a Price Alert. We'll notify you as soon as there's an even better deal on cheap flights from ICN to Seattle.

  • Save on your flight from Incheon International Airport to Seattle with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes by car. The centre is roughly 23 kilometres away.

  • Travelling by public transport will take you around 55 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Incheon International Airport to Seattle. Check in to one of these accommodation options near SEA instead:

  • Grab a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are top outlets to choose from here.

  • To get the lowest price, book your ride from Seattle-Tacoma International Airport around one week in advance of your flight from ICN to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • After your flight from Incheon International Airport to Seattle has touched down, you can get to the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • The journey will take roughly 25 minutes on public transport.

  • There are some comfortable places to park your luggage (and yourself) near LKE. Unwind and get cosy after your ICN to Seattle flight at any of these perfectly located options:

Best time to go to Seattle

  • Travel to Seattle during peak season if you prefer a lively atmosphere, but remember that prices may be higher. Alternatively, book flights from Incheon International Airport to Seattle during low season when prices are cheaper and crowds are smaller.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your Incheon International Airport to Seattle flight ticket then if that's your ideal forecast.

  • If you like travelling in cooler conditions, look for a cheap ticket from ICN to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Seattle right here. Check out these options after you've booked your flight from Incheon International Airport to Seattle:

  • There are so many things to see and do in this city it can be hard to figure out where to start. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are top attractions which should be on every Seattle itinerary.

Explore more of United States

  • Portland is just one of the many places in United States waiting to be explored once you've seen the sights of Seattle. Around 241 kilometres away to the south, well-known attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another sought-after destination in United States and is around 370 kilometres east of Seattle. No trip is complete without seeing Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Plan the rest of your trip from Seoul to Seattle

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