$999 Cheap KLM flights Stuttgart (STR) to Seoul (ICN)

Apply the "Price (lowest to highest)" filter on Expedia to find cheap KLM round-trip flights from STR to ICN. Affordable one-way tickets from $999 are also on offer.**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.

Snagging the best KLM deals from STR to ICN 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. What's more, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It's a good idea to start checking out flights about one month before your travel dates.*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.

To find the earliest departure from STR to ICN with KLM, sort your results by "Early Morning" and "Morning." Choosing an early flight usually means 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.

A 4-star airline rating and the ability to collect points through KLM Flying Blue are the start of the reasons to travel from STR to ICN with KLM. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* alongside KLM's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.