$354 Cheap Cathay Pacific flights Riyadh (RUH) to Seoul (ICN)

Finding cheap one-way Cathay Pacific flights from RUH to ICN from $354 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $508 for your next exciting getaway.**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.

Check for Cathay Pacific flights from RUH to ICN about one month before you want to go. The cheapest time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers 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.

Sort your results by "Morning" and "Early Morning" to browse the earliest departures from RUH to ICN. Jetting off early 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.

Cathay Pacific makes flying from RUH to ICN more enjoyable with top-tier customer service and an excellent in-flight experience. You could even start collecting points with Marco Polo Club. Don't forget to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.