Cheap United flights Seoul (ICN) to Tokyo (NRT)

Make use of the “Price (lowest to highest)” filter on Expedia to look for cheap United Airlines return flights from ICN to NRT. Affordable one-way tickets are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

United Airlines flights to Tokyo are usually more affordable in the off-peak months of January and February. Whether you’re searching for a return or one-way ticket, you could find a better deal then.

Getting the best United Airlines deals from ICN to NRT often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It’s a good idea to start checking out flights about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on the “Nonstop” filter when looking for direct United Airlines flights from ICN to NRT. It’s also a good way to compare other airlines offering the same nonstop route.

Filter your results by “Morning” and “Early Morning” to browse the earliest departures from ICN to NRT. Taking off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch a United Airlines flight from Incheon Intl. Airport (ICN) to Tokyo, and you’ll probably arrive at Narita Intl. Airport (NRT). This is the airline’s main hub in this destination.

Offering a rewarding loyalty program, United Airlines is a favorite of many passengers heading from ICN to NRT. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Jet off on a United Airlines flight from Incheon Intl. Airport (ICN) to Narita Intl. Airport (NRT), and you’ll probably board an Airbus A380-800. Keep in mind though, that the aircraft type can change due to operational demands.

Depending on the type of fare you purchased, a fee typically applies if you cancel or change your booking more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when looking for flights. For more details on canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”