Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to Hangzhou
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Asiana Airlines flights from Seattle to Hangzhou
Our best Asiana Airlines deals on Seattle to Hangzhou flight tickets
EVA Air flights from Seattle to Hangzhou
Our best EVA Air deals on Seattle to Hangzhou flight tickets
See travel insights to Hangzhou from
How to get the cheapest flight ticket from Seattle to Hangzhou
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Hangzhou?
Our data shows that Thursday is the least expensive day to fly to Hangzhou. Tickets to fly out on this day can be as low as $803. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,303. These prices are subject to change though, so be sure to set up a Price Alert for flights to Hangzhou.
What is the cheapest time of day to depart on your flight to Hangzhou?
Our data shows that the cheapest Seattle to Hangzhou flights are usually those with departure times in the morning. Our users have found flights to Hangzhou in the morning for as low as $846. In contrast, the most expensive time of day to depart to Hangzhou is in the evening when prices are around $1,270.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Hangzhou?
Korean Air and Asiana Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Hangzhou
What airlines fly to Hangzhou?
Delta, ANA and Korean Air are the top three most popular airlines that fly to Hangzhou from Seattle according to our data. Delta is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Hangzhou. Keep in mind that there are 9 different airlines that fly to Hangzhou on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Hangzhou
Cheap Seattle to Hangzhou (SEA to HGH) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Hangzhou
How far is Seattle/Tacoma Intl to Hangzhou by plane?
Seattle/Tacoma Intl and Hangzhou are 5802.6 mi apart from one another. 21h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport?
As of June 2025, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hangzhou Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hangzhou Airport.
What documentation or ID do you need to fly to Hangzhou Airport?
The travel and health documents required for your trip to Hangzhou Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hangzhou Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Hangzhou?
momondo data reveals that the most frequently booked airline on the route from Seattle to Hangzhou is Hainan Airlines, representing 100% of all bookings.
Best airlines flying from Seattle to Hangzhou
Compare and see reviews for airlines that fly from Seattle to Hangzhou with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $640 | Free Cancellation | Rating 8.1 39 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Hangzhou?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Hangzhou. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Hangzhou with flexible booking policies on momondo?
All flight searches from Seattle to Hangzhou on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Hangzhou?
momondo helps you find the best flight between Seattle and Hangzhou by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Hangzhou right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Hangzhou now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hangzhou and let you know when they change.