$635 Cheap Korean Air flights Sacramento (SMF) to Tokyo (NRT)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap Korean Air round-trip flights from $1,105 from SMF to NRT. Affordable one-way fares from $635 are available as well.**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.

Look for Korean Air flights from SMF to NRT about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**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.

Browse Korean Air's earliest flights from SMF to NRT by using our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**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.

Journey from SMF to NRT with Korean Air and look forward to a range of benefits including a 5-star airline rating. When you book through Expedia as a Korean Airlines Skypass and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.