Cheap Flights from Seoul (ICN) to Seoul (GMP)

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Find available prices by choosing your travel dates.
Flights from Seoul (ICN) to Seoul (GMP)
Origin airport
Incheon Intl.
Destination airport
Gimpo Intl.
Distance
20 mi

Seoul to Seoul Flights

The cheapest times to fly from Seoul to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Seoul are during the month of . You can find some of the cheapest flights from Seoul to Seoul with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seoul to Seoul

Sunday is one of the best days to book for cheap flights from Seoul to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seoul to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to GMP last minute?
Being the spontaneous type is an awesome way to travel, but it isn’t necessarily the best way to nab a bargain flight. Consider booking your Seoul–Incheon Intl. Airport to GMP journey well ahead of time instead of leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you’re discovering GMP!
What airports do you fly into for Seoul from Seoul?
Gimpo Intl. Airport (GMP), Incheon Intl. Airport (ICN) and Suwon (SWU-Suwon Airbase) are your choices when taking off from Seoul to Seoul. About 10 mi west of central Seoul, Gimpo Intl. Airport (GMP) is the city’s principal gateway. Keep in mind things like flight arrival and departure times and the distance to your hotel before deciding where you fly into. Starfield COEX Mall and Lotte Outlets Seoul Station are a couple of fantastic attractions to check out when you reach your destination.
Can I change the date of my flight from Incheon Intl. Airport (ICN) to Gimpo Airport?
Expedia makes it a breeze to make changes to your Seoul–Incheon Intl. Airport to Gimpo Airport trip yourself. Simply log in to the Expedia Trips portal and choose “change flight.” Search for new flights and lock in the one that works with your new plans. You’ll get an estimate of applicable flight change costs. Alternatively, use our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

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