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Cheap flights from Seattle to Hangzhou from $852

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Hangzhou departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Hangzhou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 1:55 pm
HGH
-
SEA
14h 50m1 stop
$852Asiana Airlines
Sat, Jan 31 - Fri, Feb 6
Hainan Airlines Logo
10:00 am - 7:55 pm
SEA
-
HGH
17h 55m1 stop
Hainan Airlines Logo
8:30 am - 8:00 am
HGH
-
SEA
15h 30m1 stop
$891Hainan Airlines
Tue, Feb 3 - Sat, Feb 7
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 1:55 pm
HGH
-
SEA
14h 50m1 stop
$906Asiana Airlines
Wed, Jan 21 - Mon, Jan 26
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 1:55 pm
HGH
-
SEA
14h 50m1 stop
$908Asiana Airlines
Sat, Jan 31 - Sun, Feb 8
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 2:55 pm
HGH
-
SEA
14h 50m1 stop
$912Asiana Airlines
Sat, Feb 28 - Wed, Mar 18
Multiple Airlines Logo
12:10 am - 11:45 pm
SEA
-
HGH
31h 35m2 stops
Multiple Airlines Logo
7:30 pm - 1:55 pm
HGH
-
SEA
34h 25m2 stops
$915Multiple Airlines
Sun, Feb 1 - Sat, Feb 7
Multiple Airlines Logo
2:40 pm - 1:45 pm
SEA
-
HGH
32h 05m1 stop
Multiple Airlines Logo
7:25 am - 9:00 am
HGH
-
SEA
16h 35m1 stop
$936Multiple Airlines
Thu, Apr 2 - Sat, Apr 11
Cathay Pacific Logo
7:29 pm - 10:30 pm
SEA
-
HGH
35h 01m2 stops
Cathay Pacific Logo
8:00 am - 6:53 pm
HGH
-
SEA
25h 53m2 stops
$947Cathay Pacific
Sun, Mar 1 - Wed, Mar 18
Multiple Airlines Logo
12:10 am - 2:35 pm
SEA
-
HGH
22h 25m2 stops
Multiple Airlines Logo
7:35 pm - 7:10 pm
HGH
-
SEA
14h 35m1 stop
$954Multiple Airlines
Sun, Mar 1 - Wed, Mar 18
Cathay Pacific Logo
7:55 pm - 2:30 pm
SEA
-
HGH
26h 35m2 stops
Cathay Pacific Logo
8:00 am - 6:53 pm
HGH
-
SEA
25h 53m2 stops
$955Cathay Pacific
Mon, Mar 2 - Wed, Mar 18

Singapore Airlines flights from Seattle to Hangzhou

Our best Singapore Airlines deals on Seattle to Hangzhou flight tickets
Singapore Airlines
May 5
SEA10:15 amSeattle/Tacoma Intl
68h 30m
1 stop
HGH9:45 pmHangzhou
May 26
HGH11:00 pmHangzhou
48h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,435
Singapore Airlines
May 7
SEA10:15 amSeattle/Tacoma Intl
44h 30m
1 stop
HGH9:45 pmHangzhou
May 23
HGH11:00 pmHangzhou
24h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,538
Singapore Airlines
May 8
SEA10:15 amSeattle/Tacoma Intl
44h 30m
1 stop
HGH9:45 pmHangzhou
May 23
HGH11:00 pmHangzhou
24h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$2,588

Air Canada flights from Seattle to Hangzhou

Our best Air Canada deals on Seattle to Hangzhou flight tickets
Air Canada
May 3
SEA7:20 pmSeattle/Tacoma Intl
35h 45m
2 stops
HGH10:05 pmHangzhou
May 25
HGH1:00 pmHangzhou
20h 30m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$2,672
Air Canada
May 2
SEA7:20 pmSeattle/Tacoma Intl
34h 25m
2 stops
HGH8:45 pmHangzhou
May 25
HGH1:00 pmHangzhou
24h 20m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$2,696
Air Canada
May 3
SEA7:20 pmSeattle/Tacoma Intl
34h 25m
2 stops
HGH8:45 pmHangzhou
May 23
HGH1:00 pmHangzhou
20h 30m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$2,707

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Hangzhou that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Seattle to Hangzhou that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 1/31

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Fri 2/6

3:05 pm-1:55 pm

1 stop14h 50m

$852

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 2/3

10:00 am-7:55 pm

1 stop17h 55m

Hangzhou

Sat 2/7

8:30 am-8:00 am

1 stop15h 30m

$891

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Mon 1/26

3:05 pm-1:55 pm

1 stop14h 50m

$906

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 1/31

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Sun 2/8

3:05 pm-1:55 pm

1 stop14h 50m

$908

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 2/28

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Wed 3/18

3:05 pm-2:55 pm

1 stop14h 50m

$912

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 2/1

12:10 am-11:45 pm

2 stops31h 35m

Hangzhou

Sat 2/7

7:30 pm-1:55 pm

2 stops34h 25m

$915

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 4/2

2:40 pm-1:45 pm

1 stop32h 05m

Hangzhou

Sat 4/11

7:25 am-9:00 am

1 stop16h 35m

$936

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 3/1

7:29 pm-10:30 pm

2 stops35h 01m

Hangzhou

Wed 3/18

8:00 am-6:53 pm

2 stops25h 53m

$947

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 3/1

12:10 am-2:35 pm

2 stops22h 25m

Hangzhou

Wed 3/18

7:35 pm-7:10 pm

1 stop14h 35m

$954

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 3/2

7:55 pm-2:30 pm

2 stops26h 35m

Hangzhou

Wed 3/18

8:00 am-6:53 pm

2 stops25h 53m

$955

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 airlines fly to Hangzhou?

Delta, Asiana Airlines 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 68% 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

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Hangzhou according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

22h 15m

Direct flights

None
The fastest flight from Seattle to Hangzhou takes 22h 15m
There are no direct flights from Seattle to Hangzhou. There are no popular flight routes from Seattle to Hangzhou.
Search flight deals

  • How far is Seattle/Tacoma Intl to Hangzhou by plane?

    Seattle/Tacoma Intl and Hangzhou are 5802.6 mi apart from one another. 22h 15m 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?

  • 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?

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
Hainan AirlinesPriceFrom $843Free CancellationRating
8.2
62 reviews
Search Hainan Airlines flights
Cathay PacificPriceFrom $872Free CancellationRating
7.6
1,126 reviews
Search Cathay Pacific flights

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.

An easier way to manage your Hangzhou trip

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