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Cheap flights from Seattle to Hangzhou from $956

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 10/22. 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
22h 35m
1 stop
Asiana Airlines Logo
3:05 pm - 2:55 pm
HGH
-
SEA
14h 50m
1 stop
$956Asiana Airlines
Thu, Oct 22 - Tue, Oct 27
Cathay Pacific Logo
9:53 am - 6:15 pm
SEA
-
HGH
41h 22m
2 stops
Cathay Pacific Logo
7:30 pm - 10:10 am
HGH
-
SEA
29h 40m
1 stop
$1,115Cathay Pacific
Fri, Oct 23 - Tue, Oct 27
Cathay Pacific Logo
7:13 pm - 10:10 am
SEA
-
HGH
23h 57m
2 stops
Cathay Pacific Logo
11:25 am - 6:31 pm
HGH
-
SEA
22h 06m
2 stops
$1,266Cathay Pacific
Fri, Oct 23 - Tue, Oct 27
Cathay Pacific Logo
5:55 pm - 2:30 pm
SEA
-
HGH
29h 35m
2 stops
Cathay Pacific Logo
3:35 pm - 10:46 pm
HGH
-
SEA
22h 11m
2 stops
$1,278Cathay Pacific
Fri, Oct 23 - Tue, Oct 27
Multiple Airlines Logo
1:40 pm - 1:45 pm
SEA
-
HGH
33h 05m
1 stop
Multiple Airlines Logo
3:10 pm - 3:15 pm
HGH
-
SEA
15h 05m
1 stop
$1,310Multiple Airlines
Mon, May 18 - Thu, Jun 4
Multiple Airlines Logo
1:40 pm - 1:45 pm
SEA
-
HGH
33h 05m
1 stop
Multiple Airlines Logo
3:25 pm - 7:40 pm
HGH
-
SEA
19h 15m
2 stops
$1,349Multiple Airlines
Mon, May 18 - Thu, Jun 4
Multiple Airlines Logo
7:55 pm - 11:10 am
SEA
-
HGH
24h 15m
2 stops
Multiple Airlines Logo
1:50 pm - 10:00 am
HGH
-
SEA
35h 10m
2 stops
$1,391Multiple Airlines
Mon, May 18 - Thu, Jun 4
Multiple Airlines Logo
7:55 pm - 12:35 am
SEA
-
HGH
37h 40m
2 stops
Multiple Airlines Logo
7:35 pm - 7:40 pm
HGH
-
SEA
15h 05m
1 stop
$1,413Multiple Airlines
Sun, May 17 - Wed, Jun 3
Multiple Airlines Logo
7:55 pm - 12:35 am
SEA
-
HGH
37h 40m
2 stops
Multiple Airlines Logo
8:25 am - 9:00 am
HGH
-
SEA
15h 35m
1 stop
$1,447Multiple Airlines
Sun, May 17 - Tue, Jun 2
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
22h 35m
1 stop
Asiana Airlines Logo
3:10 pm - 3:15 pm
HGH
-
SEA
15h 05m
1 stop
$1,459Asiana Airlines
Sun, May 17 - Fri, Jun 5

Korean Air flights from Seattle to Hangzhou

Our best Korean Air deals on Seattle to Hangzhou flight tickets
Korean Air
May 18
SEA7:15 amSeattle/Tacoma Intl
39h 10m
2 stops
HGH1:25 pmHangzhou
Jun 3
HGH2:30 pmHangzhou
35h 30m
1 stop
SEA11:00 amSeattle/Tacoma Intl
$1,511
Korean Air
May 18
SEA7:15 amSeattle/Tacoma Intl
39h 10m
2 stops
HGH1:25 pmHangzhou
Jun 3
HGH2:30 pmHangzhou
22h 29m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,522
Korean Air
May 18
SEA12:50 pmSeattle/Tacoma Intl
33h 35m
1 stop
HGH1:25 pmHangzhou
Jun 5
HGH2:30 pmHangzhou
22h 29m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,567

Air China flights from Seattle to Hangzhou

Our best Air China deals on Seattle to Hangzhou flight tickets
Air China
May 19
SEA12:34 pmSeattle/Tacoma Intl
44h 41m
2 stops
HGH12:15 amHangzhou
Jun 3
HGH9:00 amHangzhou
24h 47m
2 stops
SEA6:47 pmSeattle/Tacoma Intl
$1,631
Air China
May 19
SEA12:34 pmSeattle/Tacoma Intl
30h 51m
2 stops
HGH10:25 amHangzhou
Jun 5
HGH5:00 pmHangzhou
40h 47m
2 stops
SEA6:47 pmSeattle/Tacoma Intl
$1,751
Air China
May 19
SEA12:34 pmSeattle/Tacoma Intl
30h 51m
2 stops
HGH10:25 amHangzhou
Jun 6
HGH2:00 pmHangzhou
47h 08m
2 stops
SEA10:08 pmSeattle/Tacoma Intl
$1,769

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 May 6, 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

Cheapest round-trip
Quickest round-trip

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 10/22

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Tue 10/27

3:05 pm-2:55 pm

1 stop14h 50m

$956

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 10/23

9:53 am-6:15 pm

2 stops41h 22m

Hangzhou

Tue 10/27

7:30 pm-10:10 am

1 stop29h 40m

$1,115

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 10/23

7:13 pm-10:10 am

2 stops23h 57m

Hangzhou

Tue 10/27

11:25 am-6:31 pm

2 stops22h 06m

$1,266

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 10/23

5:55 pm-2:30 pm

2 stops29h 35m

Hangzhou

Tue 10/27

3:35 pm-10:46 pm

2 stops22h 11m

$1,278

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 5/18

1:40 pm-1:45 pm

1 stop33h 05m

Hangzhou

Thu 6/4

3:10 pm-3:15 pm

1 stop15h 05m

$1,310

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 5/18

1:40 pm-1:45 pm

1 stop33h 05m

Hangzhou

Thu 6/4

3:25 pm-7:40 pm

2 stops19h 15m

$1,349

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 5/18

7:55 pm-11:10 am

2 stops24h 15m

Hangzhou

Thu 6/4

1:50 pm-10:00 am

2 stops35h 10m

$1,391

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 5/17

7:55 pm-12:35 am

2 stops37h 40m

Hangzhou

Wed 6/3

7:35 pm-7:40 pm

1 stop15h 05m

$1,413

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 5/17

7:55 pm-12:35 am

2 stops37h 40m

Hangzhou

Tue 6/2

8:25 am-9:00 am

1 stop15h 35m

$1,447

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 5/17

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Fri 6/5

3:10 pm-3:15 pm

1 stop15h 05m

$1,459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 airline that flies from Seattle/Tacoma Intl to Hangzhou?

China Eastern and Emirates are the most popular carriers operating from Seattle/Tacoma Intl to Hangzhou

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 49% of people opting to fly with this airline when traveling to Hangzhou. Keep in mind that there are 7 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

19h 50m

Direct flights

None
The fastest flight from Seattle to Hangzhou takes 19h 50m
There are no direct flights from Seattle to Hangzhou. There are no popular flight routes from Seattle to Hangzhou.
Search flight deals

Frequently asked questions about flying 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. 19h 50m 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
Cathay PacificPriceFrom $872Free CancellationRating
7.6
1,313 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.

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