$433 Cheap Delta flights Portland (PDX) to Seoul (ICN)

Landing cheap one-way Delta Air Lines flights from PDX to ICN from $433 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $850 for your next adventure.**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 round-trip or one-way flights to Seoul in January or February. You could find a cheap fare with Delta Air Lines during these off-peak travel months.

Look for Delta Air Lines flights from PDX to ICN about one month before you want to leave. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book 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.

Click on our “Nonstop” filter when searching for direct Delta Air Lines flights from PDX to ICN. You can also compare other carriers offering the same direct trip.

To find the earliest departure from PDX to ICN with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means you’re less likely to experience 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.

Delta Air Lines flights from Portland Intl. Airport (PDX) to Seoul come in to Incheon Intl. Airport (ICN). This is the main gateway to this destination.

Delta Air Lines makes traveling from PDX to ICN enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Don’t forget to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or reschedule your flight, although there may be a charge if your booking was made more than 24 hours ago. Need to keep your options open? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you have to alter your plans. To modify your booking, visit “Trips,” select your flight and click on “Manage Booking” for further information.