Cheap flights from Seattle to Hong Kong from $371

The month of March is, on average, the cheapest month to fly to Hong Kong from Seattle, with most prices found around $705. The month of January is another great option to travel to Hong Kong, with average flight prices from Seattle averaging around $718.

The cheapest day to depart from Seattle to Hong Kong is on a Tuesday. Travelers who choose to depart for Hong Kong on a Tuesday will often find tickets for as low as $1,014. The most expensive day to fly to Hong Kong is Saturday, with ticket prices averaging around $1,241.

Fly from Seattle/Tacoma Intl to Hong Kong Intl for the best Seattle/Tacoma Intl - Hong Kong flight prices

You are more likely to see cheaper flights to Hong Kong from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $922 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Seattle for as low as $718 on momondo.

Air Canada is the most popular carrier operating from Seattle/Tacoma Intl to Hong Kong

Cathay Pacific, EVA Air and Asiana Airlines are the top three most popular airlines that fly to Hong Kong from Seattle according to our data. Cathay Pacific is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 12 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

Historically, on average around 52% of flights between Seattle and Hong Kong have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Cathay Pacific have had the least number of delays on this route over the last 12 months; with about 52% of their flights experiencing any sort of delay.

The number of flights available between Seattle and Hong Kong is 1 per day as of September 2026. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

The number of flights available between Seattle and Hong Kong is 9 per week as of September 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.