$875 Cheap Korean Air flights San Francisco (SFO) to Seoul (ICN)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Korean Air round-trip flights from $863 from SFO to ICN. Affordable one-way options from $875 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.

Search for return or one-way flights to Seoul in January or February. You could find cheaper fares with Korean Air during these off-peak travel months.

To find cheap flights from SFO to ICN with Korean Air, begin your search about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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.

Book a seat on one of Korean Air’s 7 direct weekly flights from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN). To see your choices, enter your destination, origin and dates and hit search. Then apply the “Nonstop” and “Airline” filters.

Take off from San Francisco Intl. Airport (SFO) for Incheon Intl. Airport (ICN) on a direct Korean Air flight, and you’ll be in the skies for around 13h.

Departing SFO at 11:40AM UTC-8, the first Korean Air flight to ICN lands at 5:40PM UTC+9. Traveling earlier in the day means you’re less likely to encounter cancellations or delays.* Prefer a later start? The last Korean Air flight from SFO to ICN departs at 11:40AM UTC-8 and touches down at 5:40PM UTC+9.*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.

Incheon Intl. Airport (ICN) is the main Seoul gateway for Korean Air flights from San Francisco Intl. Airport (SFO).

For checked luggage, you can take 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 1 cabin bag in the cabin when flying standard economy from SFO to ICN with Korean Air. This carry-on must weigh less than 39 lb and be no larger than 21 inches x 15 inches x 7 inches. Going over these restrictions can mean extra charges, so read Korean Air’s baggage allowance rules before you begin packing.

Offering a 5-star airline rating, Korean Air is a top pick for many travelers departing from SFO to ICN. Plus, if you’re a Korean Airlines Skypass and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Chances are you’ll be flying on a Boeing 777-300ER for your Korean Air flight from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN). However, you could end up on an alternative aircraft if there’s an operational need.

Depending on your ticket type, a fee may apply if you change or cancel your flight more than 24 hours after it has been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when looking for flights. For more details on canceling or modifying your reservation, go to “Trips,” select your flight and tick “Manage Booking.”