Cheap Flights from Seoul (ICN) to Gangneung (KAG)

Popular airlines from Incheon Intl. Airport (ICN) to Gangneung (KAG)

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Flights from Seoul (ICN) to Gangneung (KAG)
Origin airport
Incheon Intl.
Destination airport
Gangneung
Distance
138 mi

Seoul to Gangneung Flights

The cheapest times to fly from Seoul to Gangneung

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 Gangneung are during the month of . You can find some of the cheapest flights from Seoul to Gangneung with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seoul to Gangneung

Sunday is one of the best days to book for cheap flights from Seoul to Gangneung: 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 Gangneung

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 Gangneung 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 Gangneung 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 Gangneung 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 Seoul--Incheon Intl. Airport to KAG last minute?
Being a spontaneous soul is a great way to travel around, but it’s not necessarily the wisest way to grab a cheap flight. Think about booking your Incheon Airport to KAG journey well ahead of time instead of leaving it until 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 KAG!
What airports do you fly into for Gangneung from Seoul?
Gangneung (KAG), Samcheok Airport (SUK) and Yangyang (YNY-Yangyang Intl.) are your choices when jetting from Seoul to Gangneung. Roughly 1 mi southeast of the heart of Gangneung, Gangneung (KAG) is the city’s principal entry point. Consider factors like flight arrival and departure times and the distance to your hotel before deciding where you fly into. Anmok Beach and Gyeongpo Beach are a couple of terrific attractions to put on your itinerary when you get to your destination.
Can I change the date of my flight from ICN to KAG?
It’s easy to make changes to your Incheon Airport to KAG journey yourself. Simply go to the Expedia Trips portal and tap “change flight.” Browse around for new flights and choose the one that better suits your plans. You’ll get an estimate of applicable flight change fees. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.