Cheap Flights from Seattle (SEA) to Hangzhou (HGH)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Hangzhou (HGH-Xiaoshan Intl.)

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Find the cheapest month to fly from Seattle (SEA) to Hangzhou (HGH)

February is typically the cheapest month to fly

From $851 - $1,326 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Hangzhou (HGH)
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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Xiaoshan Intl. Airport (HGH) cost?
Discover the latest flight deals from SEA to HGH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to HGH?
The cheapest flights from SEA to HGH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to HGH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to HGH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Xiaoshan Intl. Airport (HGH)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Xiaoshan Intl. Airport (HGH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to HGH?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Xiaoshan Intl. Airport (HGH)?
To land at Xiaoshan Intl. Airport (HGH) on schedule, choose a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Xiaoshan Intl. Airport (HGH) last-minute?
Waiting until just before your departure to book a ticket from SEA to HGH often results in higher prices. While you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of getting a bargain.
Is it cheaper to book a SEA to HGH flight and hotel package?
Securing a SEA to HGH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Xiaoshan Intl. Airport (HGH)?
In most instances, you can cancel or modify your SEA to HGH flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.