
Popular airlines from Seattle-Tacoma International Airport (SEA) to Songshan Airport (TSA)
- All Nippon Airways
All Nippon Airways
- Japan Airlines
Japan Airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Seattle to Taipei (SEA-TSA)
Prices were available within the past 7 days and start at $394 for one-way flights and $724 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Seattle - Tacoma Intl. |
Destination airport | Songshan |
Airlines serving | All Nippon Airways, Japan Airlines |
Roundtrip price | $724 |
Distance | 6051 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 September. 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 $394 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
Explore a world of travel with Expedia
Flights
- Alaska Airlines Seattle (SEA) to San Diego (SAN) flights
- Emirates Seattle (SEA) to Delhi (DEL) flights
- Alaska Airlines Seattle (SEA) to Phoenix (PHX) flights
- Alaska Airlines Seattle (SEA) to Puerto Vallarta (PVR) flights
- Alaska Airlines Seattle (SEA) to Los Angeles (LAX) flights
- Alaska Airlines Seattle (SEA) to Miami (MIA) flights
- Alaska Airlines Seattle (SEA) to Orange County (SNA) flights
- Asiana Airlines Seattle (SEA) to Manila (MNL) flights
- Alaska Airlines Seattle (SEA) to Newark Liberty Intl. Airport (EWR) flights
- Alaska Airlines Seattle (SEA) to Honolulu (HNL) flights
- Flights to Puli
- Flights to Jiaoxi
- Flights to Ren'ai
- Flights to Taipei
- Flights to Taichung
- Flights to Hengchun
- Flights to Keelung
- Flights to Hsinchu
- Flights to Tainan
- Flights to Hualien City
- Flights to Chiayi City
- Flights to Yuchi
- Flights to Wujie
- Flights to Luodong
- Flights to Taitung
- Flights to Alishan
- Flights to Taoyuan City
- Flights to Yilan
- Flights to New Taipei City
- Flights to Kaohsiung
- Spirit Airlines
- Alaska Airlines
- Air Canada
- Asiana Airlines
- Delta
- Emirates
- Aeromexico
- JetBlue Airways
- American Airlines
- All Nippon Airways
- Turkish Airlines
- Korean Air
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Flights from Friday Harbor Sea Plane Base
- Flights from Seattle Paine Field Intl. Airport
- Flights from William R. Fairchild Intl.
- Flights from Bowerman
- Flights from Boeing Field
- Flights from Westsound
- Flights from Rosario Seaplane Base
- Flights from Roche Harbor
- Flights from Friday Harbor
- Flights from Lopez Island
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Boston (BOS) to Orlando (MCO)
- Flights from Philadelphia (PHL) to Orlando (MCO)
- Flights from New York (NYC) to Atlanta (ATL)
- Flights from Seattle (SEA) to Guadalajara (GDL)
- Flights from Seattle (SEA) to San Diego (SAN)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Seattle (SEA) to Delhi (DEL)
- Flights from Dallas (DFW) to Cancun (CUN)
- Flights from Los Angeles (LAX) to New York (NYC)
- Flights from Miami (MIA) to New York (NYC)
- Flights from Atlanta (ATL) to New York (NYC)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from Seattle (SEA) to Phoenix (PHX)
- Flights from Chicago (ORD) to Taipei (TSA)
- Flights from Portland (PDX) to Taipei (TSA)
- Flights from Washington (IAD) to Taipei (TSA)
- Flights from Phoenix (PHX) to Taipei (TSA)
- Flights from Detroit (DTW) to Taipei (TSA)
- Flights from San Diego (SAN) to Taipei (TSA)
- Flights from Boston (BOS) to Taipei (TSA)
- Flights from Honolulu (HNL) to Taipei (TSA)
- Flights from Washington (DCA) to Taipei (TSA)
- Flights from New York (JFK) to Taipei (TSA)
- Flights from Newark Liberty Intl. Airport (EWR) to Taipei (TSA)
- Flights from Los Angeles (LAX) to Taipei (TSA)
- Flights from Seattle (SEA) to Puerto Vallarta (PVR)
- Flights from New York (NYC) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Seattle (SEA) to Los Angeles (LAX)
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from Boston (BOS) to Miami (MIA)
- Flights from Seattle (SEA) to Miami (MIA)
- Flights from Seattle (SEA) to Orange County (SNA)
- Flights from Seattle (SEA) to Manila (MNL)
- Flights from Seattle (SEA) to Newark Liberty Intl. Airport (EWR)
- Flights from Seattle (SEA) to Honolulu (HNL)
- Flights from Dallas (DFW) to Denver (DEN)
- Flights from San Diego (SAN) to Las Vegas (LAS)
- Flights from Denver (DEN) to Las Vegas (LAS)
- Flights from Portland (PDX) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Minneapolis (MSP) to Las Vegas (LAS)
- Flights from Atlanta (ATL) to Las Vegas (LAS)
- Flights from Chicago (ORD) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from Newark Liberty Intl. Airport (EWR) to Las Vegas (LAS)
- Flights from New York (NYC) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Detroit (DTW) to Las Vegas (LAS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Seattle (SEA) to Las Vegas (LAS)
- Flights from Seattle (SEA) to New York (JFK)