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Cheap Flights from Seattle / Tacoma International (SEA) to Gimpo International (GMP)

Compare Seattle / Tacoma International to Gimpo International flight deals

Find the cheapest month or even day of the year to fly to Gimpo International

Book the best Gimpo International fare with no extra fees

Flight deals from Seattle / Tacoma International to Gimpo International

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Gimpo International? Find the lowest prices on one-way and return tickets right here.
Seoul.£689 per passenger.Departing Thu, 23 Apr, returning Fri, 8 May.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Seattle / Tacoma International on Thu, 23 Apr, arriving in Gimpo International.Inbound indirect flight with EVA Air, departs from Gimpo International on Fri, 8 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £689, select.
Seoul.£698 per passenger.Departing Mon, 2 Feb, returning Fri, 6 Mar.Return flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Mon, 2 Feb, arriving in Gimpo International.Inbound indirect flight with Japan Airlines, departs from Gimpo International on Fri, 6 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £698, select.
Seoul.£700 per passenger.Departing Mon, 12 Jan, returning Sat, 7 Feb.Return flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Mon, 12 Jan, arriving in Gimpo International.Inbound indirect flight with Japan Airlines, departs from Gimpo International on Sat, 7 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £700, select.
Seoul.£702 per passenger.Departing Mon, 9 Feb, returning Fri, 13 Feb.Return flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Mon, 9 Feb, arriving in Gimpo International.Inbound indirect flight with Japan Airlines, departs from Gimpo International on Fri, 13 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £702, select.
Seoul.£703 per passenger.Departing Thu, 22 Jan, returning Mon, 26 Jan.Return flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Seattle / Tacoma International on Thu, 22 Jan, arriving in Gimpo International.Inbound indirect flight with Japan Airlines, departs from Gimpo International on Mon, 26 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £703, select.
Seoul.£709 per passenger.Departing Tue, 3 Mar, returning Sat, 7 Mar.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Seattle / Tacoma International on Tue, 3 Mar, arriving in Gimpo International.Inbound indirect flight with EVA Air, departs from Gimpo International on Sat, 7 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £709, select.
Seoul.£711 per passenger.Departing Tue, 1 Sep, returning Sat, 31 Oct.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Gimpo International.Inbound indirect flight with EVA Air, departs from Gimpo International on Sat, 31 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £711, select.
Seoul.£715 per passenger.Departing Thu, 3 Sep, returning Sat, 12 Sep.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from Seattle / Tacoma International on Thu, 3 Sep, arriving in Gimpo International.Inbound indirect flight with EVA Air, departs from Gimpo International on Sat, 12 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £715, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Gimpo International flights are currently cheapest in February.
Dec
from £1,169
Jan
from £703
Feb
from £702
Mar
from £709
Apr
from £845
May
from £756
Jun
from £1,061
Jul
from £1,010
Aug
from £849
Sep
from £715
Oct
from £899
Nov
from £901

Seattle / Tacoma International to Gimpo International: Alternative routes

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

Seattle to Seoul: Flight information

The things to know before you go.
Cheapest flight found£689
Cheapest month to flyApril

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

The best price we found for a return flight from Seattle / Tacoma International to Gimpo International is £689. 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.
Currently, there are no airlines that fly direct from Seattle / Tacoma International to Gimpo International. But we found flights with one or more stops from £689.
As of December 2025, there are no flights flying from Seattle / Tacoma International to Gimpo International.
The cheapest month to fly from Seattle / Tacoma International to Gimpo International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Gimpo International Airport on Thursday, 23 April 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Gimpo International Airport. 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 Gimpo 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, EVA Air offers the cheapest flight tickets to Gimpo International.

How to find cheap flights to Seoul (GMP) from Seattle (SEA) in 2026

Looking for cheap tickets from Seattle / Tacoma International to Gimpo International? Return tickets start from £689 and one-way flights to Gimpo International from Seattle / Tacoma International start from £338


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Seattle / Tacoma to Seoul Gimpo. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Seoul from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seoul start from £338 one-way.
  • Flex your dates to find the best SEA-GMP ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Gimpo International from Seattle / Tacoma International.
  • Set up a Price Alert. You can easily track the fare of your cheap Seattle / Tacoma-Seoul Gimpo flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Flexible on when you travel? The cheapest month to fly from Seattle / Tacoma International to Gimpo International is April.
  • Fly without stops. Only interested in direct flights between Seattle / Tacoma International and Gimpo International? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Seattle / Tacoma International and Gimpo International. We scour the internet for the best Business, Premium Economy and First Class flight fares to Seoul, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Seattle / Tacoma International to Gimpo International flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Seattle / Tacoma International and Gimpo International whenever you want.

Combine your flight to Gimpo International from Seattle / Tacoma International with hotels and car hire

Once you've secured your cheap flight ticket from Seattle / Tacoma International to Gimpo International, discover the best prices and exclusive rates for hotels in Seoul or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Seattle to Seoul

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