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Cheap Flights from Incheon International to Seattle

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Compare Incheon International to Seattle flight deals

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

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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.Rs117,032 per passenger.Departing Wed, 5 Mar.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Wed, 5 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs117,032, select.
Seattle.Rs121,080 per passenger.Departing Tue, 27 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Incheon International on Tue, 27 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs121,080, select.
Seattle.Rs122,636 per passenger.Departing Mon, 2 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Incheon International on Mon, 2 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs122,636, select.
Seattle.Rs126,794 per passenger.Departing Tue, 15 Apr.One-way flight with Xiamen Airlines.Outbound indirect flight with Xiamen Airlines, departs from Incheon International on Tue, 15 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs126,794, select.
Seattle.Rs128,501 per passenger.Departing Thu, 18 Sep.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Incheon International on Thu, 18 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs128,501, select.
Seattle.Rs139,146 per passenger.Departing Mon, 6 Oct.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon, 6 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs139,146, select.
Seattle.Rs139,146 per passenger.Departing Mon, 3 Nov.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon, 3 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs139,146, select.
Seattle.Rs144,443 per passenger.Departing Tue, 26 Aug.One-way flight with Jin Air.Outbound indirect flight with Jin Air, departs from Incheon International on Tue, 26 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs144,443, 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 March.
Feb
from Rs179,166
Mar
from Rs117,032
Apr
from Rs126,794
May
from Rs121,080
Jun
from Rs122,636
Jul
from Rs146,107
Aug
from Rs144,443
Sep
from Rs128,501
Oct
from Rs139,146
Nov
from Rs139,146
Dec
from Rs162,644
Jan
from Rs182,674

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 foundRs117,032
Cheapest month to flyMarch
Average flight time10 hrs, 14 mins
Most popular airlineDelta
Average flights per week66

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 Rs193,817. 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 14 minutes is the average flight time from Incheon International to Seattle.
Delta, Korean Air and Singapore Airlines fly direct from Incheon International to Seattle.
As of February 2025, there are 66 flights per week flying from Incheon International to Seattle.
The cheapest month to fly from Incheon International to Seattle is usually February 2025.
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 Rs193,817.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Seattle on Thursday, 24 April 2025.
Yes – the average flight time is 10 hours and 14 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 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 February, the average temperature is usually around 4°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, Air Canada and Asiana Airlines offer the cheapest flight tickets to Seattle.

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

  • The average length of a direct flight from Incheon International Airport to Seattle is 11 hours 53 minutes.

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

  • With 26 flights a week between the two airports, Incheon International Airport (ICN) to Seattle-Tacoma International Airport (SEA) is the busiest route. Korean Air operates the earliest flight at 16:00. If you'd like to get more out of your day before leaving, the last departure from ICN to SEA is with Delta at 20:05.

  • Leave enough time to make your flight from ICN to Seattle. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer queues during popular months like July and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for domestic departures is a wise move.

  • You can book a direct flight from Incheon International Airport to Seattle. Start your journey at ICN and end it at Seattle-Tacoma International Airport (SEA).

  • Choose from a variety of airlines operating direct flights from Incheon International Airport to Seattle. Book your journey with one of these:

  • Stopovers are the perfect opportunity to take a break from travelling — and possibly even tour another city. When searching for flights from ICN to Seattle, deselect the 'Direct flights only' box to see where you can stop along the way. Here are some options to consider:

    • Narita International Airport (NRT)

    • Calgary International Airport (YYC)

    • Vancouver International Airport (YVR)

  • If you hold a passport from South Korea, you'll need an ETA to visit United States. This applies if you're booking a cheap ticket from Incheon International Airport to Seattle for tourism purposes. Requirements may be different if you're travelling for work or other reasons. Always check official visa guidelines ahead of booking and certainly before you fly.

  • Want a stress-free start to your holiday? Stay near ICN. Whether you've booked an early flight from Incheon International Airport to Seattle or want to avoid feeling rushed, these hotels are the answer:

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

  • Rs117,032 is the cheapest price we've found for a one-way ticket from Incheon International Airport to Seattle. For a return flight on this route, the best price is Rs193,817. Depending on the availability when you book, these fares may change.

  • To pick up cheap tickets from ICN to Seattle, reserve your trip 9 months ahead of your departure.

  • The cheapest month for tickets from Incheon International Airport to Seattle is May. You can easily compare prices using the 'Whole month' tool and choose the date that offers the lowest fare.

  • Finding a cheap ticket from ICN to Seattle is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when the price has dropped.

  • Take advantage of the filters to find your ideal journey. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Incheon International Airport to Seattle, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. With a car rental or if you're catching a cab, the drive is around 18 minutes.

  • If you're travelling on public transport, expect a journey time of roughly 54 minutes.

  • Reserve a hotel near SEA if you're taking a late flight from Incheon International Airport to Seattle. Pick one of these accommodation options and avoid the hassle of a long transfer:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • It's time to figure out your travel dates for your flight from Incheon International Airport to Seattle. July is the most popular month to travel to Seattle. If you prefer a more peaceful vibe, go in May.

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

  • February sees average temperatures of between -1ºC and 11ºC. Search for cheap flights from ICN to Seattle sometime then if you like cooler conditions.

More about Seattle

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Incheon International Airport to Seattle isn't our only party trick. Check out our car rentals in Seattle and travel at your own pace. We find deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.

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.