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Cheap flights from Seattle to Hangzhou from $814

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 3/7. 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.
Hainan Airlines Logo
10:00 am - 7:55 pm
SEA
-
HGH
17h 55m
1 stop
Hainan Airlines Logo
5:30 pm - 9:00 am
HGH
-
SEA
30h 30m
1 stop
$814Hainan Airlines
Sat, Mar 7 - Fri, Mar 13
Multiple Airlines Logo
11:45 pm - 8:10 pm
SEA
-
HGH
28h 25m
2 stops
Multiple Airlines Logo
10:00 pm - 4:05 pm
HGH
-
SEA
33h 05m
2 stops
$854Multiple Airlines
Sat, Mar 7 - Fri, Mar 13
Multiple Airlines Logo
11:45 pm - 2:35 pm
SEA
-
HGH
22h 50m
2 stops
Multiple Airlines Logo
10:00 pm - 3:05 pm
HGH
-
SEA
33h 05m
2 stops
$896Multiple Airlines
Tue, Feb 3 - Mon, Feb 9
Asiana Airlines Logo
12:55 am - 1:45 pm
SEA
-
HGH
21h 50m
1 stop
Asiana Airlines Logo
3:10 pm - 2:55 pm
HGH
-
SEA
14h 45m
1 stop
$906Asiana Airlines
Sun, Apr 5 - Thu, Apr 9
Korean Air Logo
3:15 pm - 1:30 pm
SEA
-
HGH
30h 15m
2 stops
Korean Air Logo
2:40 pm - 9:00 am
HGH
-
SEA
34h 20m
1 stop
$911Korean Air
Wed, Feb 11 - Mon, Feb 23
Multiple Airlines Logo
1:40 pm - 1:45 pm
SEA
-
HGH
32h 05m
1 stop
Multiple Airlines Logo
3:05 pm - 1:45 pm
HGH
-
SEA
14h 40m
1 stop
$912Multiple Airlines
Sun, Feb 15 - Mon, Mar 2
Korean Air Logo
3:15 pm - 1:30 pm
SEA
-
HGH
30h 15m
2 stops
Korean Air Logo
12:05 pm - 11:25 pm
HGH
-
SEA
27h 20m
2 stops
$922Korean Air
Wed, Feb 11 - Wed, Feb 25
Cathay Pacific Logo
7:55 pm - 10:10 am
SEA
-
HGH
22h 15m
2 stops
Cathay Pacific Logo
8:00 am - 7:02 am
HGH
-
SEA
39h 02m
2 stops
$945Cathay Pacific
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
10:00 am - 11:35 pm
SEA
-
HGH
21h 35m
1 stop
Multiple Airlines Logo
2:00 pm - 10:57 pm
HGH
-
SEA
24h 57m
2 stops
$949Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
11:00 am - 11:45 pm
SEA
-
HGH
44h 45m
2 stops
Multiple Airlines Logo
8:30 am - 9:00 am
HGH
-
SEA
15h 30m
1 stop
$952Multiple Airlines
Sat, Mar 7 - Sat, Mar 14

Hainan Airlines flights from Seattle to Hangzhou

Our best Hainan Airlines deals on Seattle to Hangzhou flight tickets
Hainan Airlines
Mar 7
SEA10:00 amSeattle/Tacoma Intl
17h 55m
1 stop
HGH7:55 pmHangzhou
Mar 13
HGH5:30 pmHangzhou
30h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$814
Hainan Airlines
Feb 17
SEA10:00 amSeattle/Tacoma Intl
17h 55m
1 stop
HGH7:55 pmHangzhou
Feb 23
HGH9:10 pmHangzhou
26h 50m
1 stop
SEA8:00 amSeattle/Tacoma Intl
$1,092

Cathay Pacific flights from Seattle to Hangzhou

Our best Cathay Pacific deals on Seattle to Hangzhou flight tickets
Cathay Pacific
Feb 4
SEA7:55 pmSeattle/Tacoma Intl
22h 15m
2 stops
HGH10:10 amHangzhou
Feb 11
HGH8:00 amHangzhou
39h 02m
2 stops
SEA7:02 amSeattle/Tacoma Intl
$945
Cathay Pacific
Apr 6
SEA8:41 amSeattle/Tacoma Intl
22h 54m
2 stops
HGH10:35 pmHangzhou
Apr 9
HGH8:00 amHangzhou
17h 10m
1 stop
SEA10:10 amSeattle/Tacoma Intl
$982
Cathay Pacific
Mar 28
SEA7:03 amSeattle/Tacoma Intl
36h 07m
2 stops
HGH10:10 amHangzhou
Apr 14
HGH7:35 pmHangzhou
26h 27m
2 stops
SEA7:02 amSeattle/Tacoma Intl
$1,001

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 21, 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 3/7

10:00 am-7:55 pm

1 stop17h 55m

Hangzhou

Fri 3/13

5:30 pm-9:00 am

1 stop30h 30m

$814

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 3/7

11:45 pm-8:10 pm

2 stops28h 25m

Hangzhou

Fri 3/13

10:00 pm-4:05 pm

2 stops33h 05m

$854

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 2/3

11:45 pm-2:35 pm

2 stops22h 50m

Hangzhou

Mon 2/9

10:00 pm-3:05 pm

2 stops33h 05m

$896

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 4/5

12:55 am-1:45 pm

1 stop21h 50m

Hangzhou

Thu 4/9

3:10 pm-2:55 pm

1 stop14h 45m

$906

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 2/11

3:15 pm-1:30 pm

2 stops30h 15m

Hangzhou

Mon 2/23

2:40 pm-9:00 am

1 stop34h 20m

$911

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 2/15

1:40 pm-1:45 pm

1 stop32h 05m

Hangzhou

Mon 3/2

3:05 pm-1:45 pm

1 stop14h 40m

$912

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 2/11

3:15 pm-1:30 pm

2 stops30h 15m

Hangzhou

Wed 2/25

12:05 pm-11:25 pm

2 stops27h 20m

$922

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 2/4

7:55 pm-10:10 am

2 stops22h 15m

Hangzhou

Wed 2/11

8:00 am-7:02 am

2 stops39h 02m

$945

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 2/3

10:00 am-11:35 pm

1 stop21h 35m

Hangzhou

Tue 2/10

2:00 pm-10:57 pm

2 stops24h 57m

$949

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 3/7

11:00 am-11:45 pm

2 stops44h 45m

Hangzhou

Sat 3/14

8:30 am-9:00 am

1 stop15h 30m

$952

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 65% 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

17h 55m

Direct flights

None
The fastest flight from Seattle to Hangzhou takes 17h 55m
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. 17h 55m 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
1,140 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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