Cheap Flights from Washington, D.C. to Gimpo International
One-way
Departing from
Washington, D.C.
Going to
Gimpo International
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to Gimpo International. Fares are subject to change and may not be available for all dates. (Data last updated 4/8/2026).
Popular airlines to Gimpo International
Finnair
Cathay Pacific
Delta Air Lines
Japan Airlines Domestic
Korean Air
All Nippon Airways
Ozark Air Lines
QantasLink
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Facts About Flights from Washington, D.C. to Seoul
To help you plan your journey, here are some quick Seoul flight facts and tips.
Seoul airports
Gimpo International Airport (GMP) and Incheon International Airport (ICN) serve the Seoul Metropolitan Area. Gimpo, closer to the city, mainly handles domestic flights and some regional international routes. Incheon, farther from Seoul, is South Korea's primary international gateway, serving a vast network of global destinations with numerous airlines. Together, they ensure comprehensive air travel options for the region.
Pro tip: search “Seoul (Any)” to see fares to all Seoul airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Gimpo International
Cheapest airport
Seoul (GMP)
Gimpo International Airport (GMP) is located in Seoul, South Korea. Though once the primary airport for Seoul, it now mainly handles domestic flights and some international flights to East Asian destinations. It's a convenient option if you're staying in western Seoul!
Nonstop vs. 1-stop
20+ cities
Gimpo International Airport, while not the biggest hub, still connects you to over 20 cities, mostly within South Korea and a few destinations in Asia! Popular routes include connections to Jeju, Busan, and other major South Korean cities.
Number of airlines
10+ airlines
Gimpo International Airport is served by more than 10 airlines, including popular full-service carriers like Korean Air and Asiana Airlines, as well as low-cost options such as Jeju Air and Jin Air.
Typical price range (round-trip)
$150 - $600
Generally, flights to Gimpo International Airport (GMP) range from $150 to $600, but prices vary depending on the season. Peak travel times, like during cherry blossom season in the spring or the Chuseok holiday in the fall, can cause prices to surge. Also, flights from farther locations tend to be pricier due to increased travel distance.
Flight frequency
100+ flights
Flights to Gimpo International Airport operate frequently, with numerous daily options. Peak seasons and popular travel times may see even more flight options, so you'll have plenty of choices!
When Is the Best Time to Fly from Washington, D.C. to Gimpo International
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Gimpo International:
Cheapest month
January
Cheapest month
The cheapest month to snag a flight to Seoul is January! While it might be chilly, you'll be rewarded with fewer crowds and some seriously stunning winter scenery. Imagine exploring ancient palaces dusted with snow – talk about a magical experience!
Best day to book
Tuesday
Best day to book
Tuesday is the golden day to book your flight to Seoul! Airlines often release deals early in the week to fill up those empty seats. Keep an eye out for flash sales and limited-time offers to maximize your savings!
Cheapest days to fly
Wednesday
Cheapest days to fly
For the thriftiest travelers, flying to Seoul on a Wednesday can save you some serious won! Mid-week flights tend to be less popular with business travelers, resulting in lower demand and prices. Plus, you'll avoid the weekend airport rush!
Advance booking sweet spot
2 months
Advance booking sweet spot
Snatch those Seoul-bound tickets about 2 months in advance to hit that sweet spot! This timeframe typically offers a balance between availability and affordable prices. Booking too early or waiting until the last minute could leave you paying a premium.
Seasonal considerations
Distinct
Seasonal considerations
Seoul definitely has distinct seasons, which greatly impact flight prices. Spring and fall offer pleasant weather, but they're also peak tourist times, driving up costs. Winter offers the cheapest flights, while summer brings the monsoon season, which might affect your travel plans.
TL;DR: To sum it up, January is the cheapest month to fly to Seoul, and Tuesdays are prime for booking. Aim to fly on a Wednesday and book about 2 months ahead for the best deals. Seoul's distinct seasons will influence prices, so plan accordingly. Happy travels, and get ready for an unforgettable adventure in the Land of the Morning Calm!
Seoul Airports & Ground Transportation
One big question for travelers is which Seoul airport to fly into. Here’s a quick guide to Seoul’s airports and how to get to the city from each:
Incheon International Airport (ICN)
Incheon International Airport (ICN) is South Korea's largest airport and a major gateway to Seoul. It's consistently ranked among the world's best airports, boasting impressive architecture, efficient services, and a wide array of amenities, including shopping, dining, and cultural experiences. Located on Yeongjong Island, it is well-connected to Seoul via AREX express train and numerous bus routes, making the journey to the city center relatively quick and convenient. The airport also features unique attractions such as cultural performances and traditional craft demonstrations. Don't miss the chance to explore the airport's duty-free shops, offering a wide range of luxury goods and local products.
Tip: Take advantage of the free cultural performances often held in the departure area to immerse yourself in Korean traditions before you fly.
Gimpo International Airport (GMP)
Gimpo International Airport (GMP), formerly Seoul's primary airport, now mainly handles domestic flights and some international routes within Asia. Though smaller than Incheon, Gimpo offers a convenient and less crowded alternative for travelers. The airport provides a variety of services, including restaurants, shops, and comfortable lounges. It's easily accessible from Seoul via subway lines 5 and 9, making it a breeze to reach various parts of the city. Gimpo Airport provides a more streamlined and relaxed travel experience while still providing crucial air transport links.
Tip: If you're traveling within Asia, consider Gimpo for a quicker and less overwhelming airport experience.
Other airports
Navigating Seoul's aerial gateways? Gimpo Airport is a solid choice, but don't overlook the out-of-towners! Incheon International Airport, while not directly in Seoul, is a major hub with stellar connections via high-speed rail and express buses, whisking you into the city in under an hour – a small commute for potentially bigger savings and more flight options. Cheongju and Gunsan Airports are a bit further, so budget extra travel time if you're chasing those ultra-low fares, but they might be worth it for budget travelers!
Airport transfers
Getting around Seoul from its airports is a breeze! From the super-speedy AREX train linking Incheon directly to downtown to the convenient and comfy airport buses, you've got options galore. Taxis are always on standby for a more personalized ride, making airport transfers a cinch.
What to Do in Seoul
Seoul isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Seoul, organized by interest:
Sightseeing & landmarks
Seoul is brimming with iconic landmarks! From the majestic Gyeongbokgung Palace to the historic Bukchon Hanok Village, you'll be transported through time. Don't forget the N Seoul Tower for panoramic city views – perfect for unforgettable photos!
Arts & culture
Immerse yourself in Seoul's vibrant arts scene. Explore traditional Korean art at the National Museum of Korea, or catch a K-pop performance for a taste of modern culture. The possibilities are endless!
Food & nightlife
Get ready for a culinary adventure in Seoul! Indulge in delicious street food at Myeongdong, savor authentic Korean BBQ, and experience the bustling nightlife in Gangnam. Your taste buds will thank you!
Shopping & fashion
Shopaholics, rejoice! Seoul is a fashion paradise, offering everything from high-end boutiques in Cheongdam-dong to trendy street style in Hongdae. Get ready to revamp your wardrobe with unique finds!
Nearby getaways
Need a break from the city buzz? Explore the serene beauty of the Korean countryside with a day trip to the DMZ or the picturesque Nami Island. These nearby getaways are perfect for unwinding and experiencing Korea's natural beauty.
No matter your interest – be it art, food, nightlife, or nature – Seoul has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Events in Seoul This Month
ateez with line friends pop-up: mighteez wonder room
Visit the "WELCOME TO MIGHTEEZ Wonder Room!" pop-up store, presented by IPX and ATEEZ, at K-POP SQUARE Hongdae (March 18–29, 2026) or Shinsegae Department Store Busan Centum City (March 23–April 2, 2026) and experience the world of MIGHTEEZ.
Frequently Asked Questions About Flights to Gimpo International
(Have more questions?) Feel free to reach out or check our comprehensive Gimpo International travel guide. We’re here to help make your flight to Gimpo International (and the trip itself) as smooth as possible.
Pro Tips for Finding Cheap Flights to Gimpo International
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Gimpo International flights:
Be Flexible with Travel Dates: If your dates are flexible, play around with different days and months. Sometimes, shifting your trip by just a day or two can lead to significant savings – think of it as a travel treasure hunt!
Consider Alternative Airports: Gimpo is great, but don't forget to check flights into Incheon (ICN) too. Compare prices and transportation options to see if flying into a different airport could save you some serious cash.
Fly During Off-Peak Seasons: Avoid the crowds and sky-high prices by traveling during the off-season. Not only will flights be cheaper, but you'll also enjoy a more relaxed travel experience. Who doesn't want fewer lines and more elbow room?
Book in Advance (But Not Too Early!): While last-minute deals are rare, booking too far in advance isn't always the answer either. Aim to book a few months ahead for the sweet spot of availability and price – it's like hitting the travel jackpot!
Mix and Match Airlines: Don't be afraid to fly one airline on the way to Gimpo and another on the way back. Sometimes, booking separate one-way tickets can be cheaper than a round-trip. Get creative and build your own adventure!
Sniff Out Package Deals: Keep an eye out for package deals that include flights and accommodations. These bundles can sometimes offer significant discounts compared to booking everything separately. It's like getting a travel surprise bonus!
Embrace Red-Eye Flights: If you can handle a little sleep deprivation, red-eye flights can be a budget-friendly option. These flights often have lower prices due to their less desirable departure times. Just remember to pack your eye mask!
Utilize Incognito Mode: A little birdie told us that airlines might increase prices based on your browsing history. Use incognito mode or clear your cookies before searching for flights. Stay one step ahead of the travel game!
Set Up Price Alerts on RatePunk: Don't have time to constantly check flight prices? Set up price alerts on RatePunk and get notified when the price drops. It's like having your own personal flight deal detective!
Leverage Airline Loyalty Programs: Sign up for airline loyalty programs and rack up those miles! You can redeem them for discounts on future flights or even free upgrades. Loyalty pays off, especially when it comes to travel.
By keeping these tips in mind, you’ll be well-equipped to find the cheapest flights to Gimpo International and make the most of your travel budget. After all, the more you save on your flight, the more you can spend on a Broadway show, a nice meal, or an extra tour in Gimpo International! 🎉✈️