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C$873 Cheap Flights from Washington Dulles (IAD) to Gimpo International (GMP)

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Flight deals from Washington Dulles to Gimpo International

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Gimpo International Airport? If you want to travel next month, return fares start from C$3,441. Find the lowest prices on one-way and return tickets right here.
Seoul.C$873 per passenger.Departing Tue., Aug. 4.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue., Aug. 4, arriving in Gimpo International.Price includes taxes and charges.From C$873, select.
Seoul.C$917 per passenger.Departing Tue., Jul. 28.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue., Jul. 28, arriving in Gimpo International.Price includes taxes and charges.From C$917, select.
Seoul.C$919 per passenger.Departing Tue., Sep. 1.One-way flight with EVA Air.Outbound indirect flight with EVA Air, departs from Washington Dulles on Tue., Sep. 1, arriving in Gimpo International.Price includes taxes and charges.From C$919, select.
Seoul.C$1,001 per passenger.Departing Tue., Oct. 20.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue., Oct. 20, arriving in Gimpo International.Price includes taxes and charges.From C$1,001, select.
Seoul.C$1,009 per passenger.Departing Wed., Jun. 24.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Wed., Jun. 24, arriving in Gimpo International.Price includes taxes and charges.From C$1,009, select.
Seoul.C$1,134 per passenger.Departing Mon., Apr. 12.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Washington Dulles on Mon., Apr. 12, arriving in Gimpo International.Price includes taxes and charges.From C$1,134, select.
Seoul.C$1,147 per passenger.Departing Sat., Jan. 2.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Washington Dulles on Sat., Jan. 2, arriving in Gimpo International.Price includes taxes and charges.From C$1,147, select.
Seoul.C$1,148 per passenger.Departing Mon., Dec. 7.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon., Dec. 7, arriving in Gimpo International.Price includes taxes and charges.From C$1,148, select.
Seoul.C$1,160 per passenger.Departing Mon., Feb. 8.One-way flight with EVA Air.Outbound indirect flight with EVA Air, departs from Washington Dulles on Mon., Feb. 8, arriving in Gimpo International.Price includes taxes and charges.From C$1,160, select.
Seoul.C$1,164 per passenger.Departing Wed., Nov. 25.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Washington Dulles on Wed., Nov. 25, arriving in Gimpo International.Price includes taxes and charges.From C$1,164, select.
Seoul.C$1,165 per passenger.Departing Mon., Mar. 1.One-way flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Washington Dulles on Mon., Mar. 1, arriving in Gimpo International.Price includes taxes and charges.From C$1,165, select.
Seoul.C$1,530 per passenger.Departing Fri., May 22.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Fri., May 22, arriving in Gimpo International.Price includes taxes and charges.From C$1,530, select.
Seoul.C$7,695 per passenger.Departing Fri., May 14.One-way flight with Air China.Outbound indirect flight with Air China, departs from Washington Dulles on Fri., May 14, arriving in Gimpo International.Price includes taxes and charges.From C$7,695, select.

Find the cheapest month to fly from Washington Dulles to Gimpo International from C$876 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Gimpo International flights are currently cheapest in August.
May
from C$1,534
Jun.
from C$1,012
Jul.
from C$919
Aug.
from C$876
Sep.
from C$921
Oct.
from C$1,004
Nov.
from C$1,167
Dec.
from C$1,151
Jan.
from C$1,150
Feb.
from C$1,163
Mar.
from C$1,168
Apr.
from C$1,137

Washington Dulles to Gimpo International: Alternative routes

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

Gimpo International

17km from central Seoul
Closest
from C$876
Search flights

Incheon International

48km from central Seoul
Cheapest
from C$616
Search flights

Washington D.C. to Seoul: Flight information

The things to know before you go.
Cheapest flight foundC$873
Cheapest month to flyAugust

Finding cheap flights from Washington Dulles to Gimpo International: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Gimpo International is C$1,665. 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 Washington Dulles to Gimpo International. But we found flights with one or more stops from C$1,665.
As of May 2026, there are no flights flying from Washington Dulles to Gimpo International.
The cheapest month to fly from Washington Dulles to Gimpo International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Gimpo International Airport on Tuesday, April 13, 2027.
No airlines currently offer direct flights between Washington Dulles 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.

Flying from Washington Dulles International Airport (IAD) to Gimpo International Airport (GMP): what you need to know

  • During popular months such as July, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're traveling during a peak period in general.

  • Finding a stopover on flights from Washington Dulles International Airport to Gimpo International Airport is simple with our search tool. Just deselect 'Direct flights only' to view your options. Haneda Airport is a sought-after stopover when traveling from IAD to GMP.

  • Before booking your cheap ticket from IAD to GMP, check if you need a visa to enter South Korea. Visa and travel document requirements may vary and are updated often. To get the latest information, contact the nearest consulate or embassy of your destination.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Gimpo International Airport (GMP)

  • The best price we've found for a one-way ticket from Washington Dulles International Airport to Gimpo International Airport is C$873. The cheapest price for a return flight is C$1,661. Bear in mind that fares could change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to find cheap flight tickets from IAD to GMP if you book ahead. Airlines often offer some great early bird rates.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' search function. It'll give you the lowest price in each month when searching for a ticket from Washington Dulles International Airport to Gimpo International Airport.

  • Snapping up a cheap ticket from IAD to GMP is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when the price has fallen.

  • Use filters to find the perfect journey for you. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles International Airport to Gimpo International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

Arriving at Gimpo International Airport (GMP)

  • If you're on a late flight from Washington Dulles International Airport to Gimpo International Airport, few things top the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and resting soon after at one of these options near GMP:

Getting from Gimpo International Airport (GMP) to central Seoul

  • Central Seoul is roughly 16 kilometres from Gimpo International Airport. Journey times by cab or car rental will vary based on time of day, so do a little research before you go.

  • Getting there on public transport takes roughly 1 hour and 3 minutes.

When to fly to Gimpo International Airport (GMP)

  • The quietest month for a flight from Washington Dulles International Airport to Gimpo International Airport is April, while July is the most popular. Pick the best time to go to Seoul based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Seoul is August, with the temperature ranging between 19ºC and 32ºC. Lock in your flights from Washington Dulles International Airport to Gimpo International Airport in this month if this is the type of weather you like.

  • If you want to travel in cooler conditions, search for a cheap ticket from IAD to GMP in January. Average temperatures are between -12ºC and 4ºC then.

More about Seoul

  • Start your Seoul trip right by finding a fantastic place to stay. Once you've booked your flight from IAD to GMP, explore our range of hotel options including:

  • Every great vacation has to include a little sightseeing. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are must-do's during your Seoul adventure.

  • Incheon International Airport (ICN) is another international airport for getting to and from Seoul. It may even be a more convenient or cheaper choice depending on your plans, so it's worth exploring further.

Complete your Seoul trip with hotels and a car rental

  • Comparing flights is not the only thing we do. After booking your cheap ticket to Gimpo International Airport, check out our great car rental offers that'll give you the flexibility to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find the ideal Seoul stay.

Plan the rest of your trip from Washington D.C. to Seoul

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