$520 Cheap Delta flights San Diego (SAN) to Seoul (ICN)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $999 from SAN to ICN. Affordable one-way options from $520 are also available.**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.

January is one of the least expensive months to fly to Seoul with Delta Air Lines. You could also find excellent prices on one-way and round-trip fares in February.

Start your search for Delta Air Lines flights from SAN to ICN about one month before you want to go. The cheapest time to book 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. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking on a Sunday can save 17% on average 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.

Enter your dates, click search and use the “Nonstop” filter on Expedia to find any direct flights from SAN to ICN with Delta Air Lines or other airlines.

To find the earliest departures from SAN to ICN with Delta Air Lines, filter your search by “Early Morning” and “Morning.” Choosing an early flight usually means you’ll experience 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.

Catch a Delta Air Lines flight from San Diego Intl. Airport (SAN) to Seoul, and you’re most likely to land at Incheon Intl. Airport (ICN). This is the airline’s primary hub in this destination.

Jetting off from SAN to ICN with Delta Air Lines means enjoying a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of booking, but your airline may charge you after that time. For further details about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without additional costs, apply the “Changes included” or “No cancel fee” filter when organizing your next adventure.