
Popular airlines from Seattle-Tacoma International Airport (SEA) to Hangzhou (HGH-Xiaoshan Intl.)
- Cathay Pacific
Cathay Pacific
- Emirates
Emirates
- Hainan Airlines
Hainan Airlines
- Air Canada
Air Canada
- EVA Airways
EVA Airways
- Korean Air
Korean Air
- Asiana Airlines
Asiana Airlines
- Plan, book, fly with confidence
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Find the cheapest month to fly from Seattle (SEA) to Hangzhou (HGH)
February is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Xiaoshan Intl. |
Airlines serving | Air Canada, Air China, Asiana Airlines, Cathay Pacific, EVA Airways, Emirates, Hainan Airlines, Korean Air, Qatar Airways, United |
Distance | 5808 mi |
Seattle to Hangzhou Flights
The cheapest times to fly from Seattle to Hangzhou
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 Hangzhou are during the month of . You can find some of the cheapest flights from Seattle to Hangzhou with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seattle to Hangzhou
Sunday is one of the best days to book for cheap flights from Seattle to Hangzhou: 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 Hangzhou
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 Hangzhou in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Hangzhou 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 Hangzhou 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.
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Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
- Seattle to Newark Liberty Intl. Airport (SEA - EWR)
- Seattle to San Diego (SEA - SAN)
- Seattle to Phoenix (SEA - PHX)
- Seattle to Los Angeles (SEA - LAX)
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- Seattle to New York (SEA - LGA)
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- Seattle to Kahului (SEA - OGG)
- Seattle to Tokyo (SEA - NRT)
Top Routes to Hangzhou
- Newark Liberty Intl. Airport to Hangzhou (EWR - HGH)
- Los Angeles to Hangzhou (LAX - HGH)
- Washington to Hangzhou (DCA - HGH)
- Hong Kong to Hangzhou (HKG - HGH)
- Boston to Hangzhou (BOS - HGH)
- Taipei to Hangzhou (TPE - HGH)
- Salt Lake City to Hangzhou (SLC - HGH)
- Washington to Hangzhou (IAD - HGH)
- New York to Hangzhou (JFK - HGH)
- Tianjin to Hangzhou (TSN - HGH)
- Houston to Hangzhou (IAH - HGH)
- Baltimore to Hangzhou (BWI - HGH)
Top Routes from Seattle
- Alaska Airlines Seattle to Chicago
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Top Routes to Hangzhou
- Cathay Pacific Los Angeles to Hangzhou
- Cathay Pacific Washington to Hangzhou
- Air China Hong Kong to Hangzhou
- Cathay Pacific Boston to Hangzhou
- Air China Taipei to Hangzhou
- Cathay Pacific New York to Hangzhou
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- Cathay Pacific Baltimore to Hangzhou
- China Southern Airlines Seoul to Hangzhou
- Hainan Airlines Beijing to Hangzhou
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Nearby Airports
- Boeing Field Airport (BFI)
- Seattle Paine Field Intl. Airport Airport (PAE)
- William R. Fairchild Intl. Airport (CLM)
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