Cheap flights from Taipei City to Seattle from $363

In general, April is the cheapest month to fly from Taipei City to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $705. If you don’t want to visit Seattle in April, then you should wait until October to fly from Taipei City, when ticket prices are also cheap, with an average price of $721.

On average, the least expensive day to fly to Seattle from Taipei City is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $835. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Taipei City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $993.

Flying to Seattle from Taipei City in the morning is the least expensive time of day to depart. momondo users have found prices as low as $881 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $945. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Taipei City Taiwan Taoyuan Intl to Seattle/Tacoma Intl for the best Taipei City - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Taipei City when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $828 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Taipei City for as low as $750 on momondo.

There are 3 cabin classes available to choose from on Taipei City to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines and ANA are the most popular carriers operating from Taipei City to Seattle/Tacoma Intl

Delta, EVA Air and China Airlines are the top three most popular airlines that fly to Seattle from Taipei City according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Taipei City and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

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

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of September 2026, 2 flights take off from Taipei City and land in Seattle each day. The most common flight departure time for this route is 11:00PM, with 87% of daily flights taking off in the evening.

As of September 2026, there are 15 flights per week flying from Taipei City to Seattle. The most common day of the week flights depart is Mon, with 47% of flights taking off on this day.