£445 Find Cheap Flights from Incheon to Seattle – Compare and Save

The cheapest month for flights from Incheon Intl Airport to Seattle is November, where tickets cost £464 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £834 and £749 respectively.

To get a below average price on the flight from Incheon Intl Airport to Seattle, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

In the past 5 days, the cheapest return tickets from Incheon to Seattle were found on United Airlines (£739) and Korean Air (£743).

Incheon and Seattle are connected by different airlines. The airlines that fly that route the most regularly are Korean Air (12 flights per week), Delta (7 flights per week), and Alaska Airlines (5 flights per week).

Weekly flights between Incheon and Seattle historically see delays in approximately 19% of cases, with the average delay over the past year being 149 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Saturday has typically experienced more delays than other days.

Based on our data, Delta have experienced the fewest delays on this route in the past 12 months, with only about 14% of their flights encountering any delays.

There are 2 cabin class options for the route. These are Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 2 and 4 direct flights that take off from Incheon Intl Airport and land in Seattle, with an average flight time of 9h 59m. The most common departure time is 16:00 and most flights take off in the evening. Each week, there are 24 flights. The most frequent day of departure is Monday, when 17% of all weekly flights depart. The fewest flights depart on a Wednesday.