$367 Cheap Flights from Seattle (SEA) to Taipei (TPE)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Taoyuan International Airport (TPE)

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to Taipei (SEA-TPE)

Prices were available within the past 7 days and start at $367 for one-way flights and $673 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
United
Korean Air
China Airlines
Philippine Airlines
United
All Nippon Airways
Asiana Airlines
Japan Airlines
EVA Airways
Flights from Seattle (SEA) to Taipei (TPE)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Taoyuan Intl.
Airlines serving
Air Canada, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Hainan Airlines, Hawaiian Airlines, Japan Airlines, Korean Air, Philippine Airlines, STARLUX Airlines, Singapore Airlines, Turkish Airlines, United
Roundtrip price
$672
Distance
6062 mi

Seattle to Taipei Flights

The cheapest times to fly from Seattle to Taipei

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Taipei are during the month of October. You can find some of the cheapest flights from Seattle to Taipei with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Taipei

Sunday is one of the best days to book for cheap flights from Seattle to Taipei: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Seattle to Taipei

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Taipei in 2025. You can also book with separate airlines for your outbound and return journeys, from $367 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Taipei flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Taipei airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Taiwan Taoyuan Airport?
EVA Air operates a direct flight leaving from SEA at 1:50AM and reaching Taoyuan Intl. Airport (TPE) at 5:10AM — a travel time of 12 hours and 20 minutes. Book the best seat available, bring a magazine to keep you occupied and the time will fly by.
Is it cheaper to buy a plane ticket from Sea-Tac Airport to Taiwan Taoyuan Airport last minute?
Booking your flight from Seattle - Tacoma Intl. Airport (SEA) to Taiwan Taoyuan Airport at the last minute could save you a tidy sum if you strike it lucky and find a bargain. However, airfares usually don’t come down in price as the date of departure nears. If you procrastinate, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you’d rather play it safe, book well ahead of the date you want to leave. Note that some of the biggest deals can be found up to 12 months in advance. If your favorite airline hasn’t released tickets yet, check back regularly as offers are constantly updated on Expedia.
What airline has the least delays from SEA to Taiwan Taoyuan Airport?
Book a seat with EVA Air from Sea-Tac Airport to Taiwan Taoyuan Airport and touch down at the time listed on your plane ticket. This airline tops the list on this route, with an 45% on-time score. If you find yourself facing a delay, the Expedia App is a good way to stay updated. Download it and you’ll get immediate trip alerts, from flight delays to gate changes.
What airports do you fly into for Taipei from Seattle?
There are two — Taoyuan Intl. Airport (TPE) and Songshan Airport (TSA). Both are good options for those flying from Seattle to Taipei. If you go via Taoyuan Intl. Airport (TPE), you’ll come in to land approximately 20 mi west of the heart of Taipei. Once you’ve checked in to your hotel room, it’s time to enjoy some of the city’s best sights. Ningxia Night Market and Zhongxiao Road are two must-sees.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Taiwan Taoyuan Airport?
Between 1:00 AM - 2:00 AM is the busiest time for EVA Air flights taking off from Sea-Tac Airport to Taiwan Taoyuan Airport. Our advice? Fly out early. With air traffic yet to build up, your odds of traveling on a delay-free flight are better.
Can I change the date of my flight from Sea-Tac Airport to Taiwan Taoyuan Airport?
It’s a snap to make changes to your Sea-Tac Airport to Taiwan Taoyuan Airport trip yourself. Simply go to the Expedia Trips portal and tap “change flight.” Browse around for new flights and lock in the one that works best with your plans. You’ll see an estimate of the extra charges, if applicable. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

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