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Cheap flights from Seattle to Hangzhou from $697

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Hangzhou departing on 12/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 1:55 pmHGH-SEA
14h 50m1 stop
$706Asiana Airlines
Find Deal
Sat, Nov 29 - Mon, Dec 8
Asiana Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 1:55 pmHGH-SEA
14h 50m1 stop
$749Asiana Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
Asiana Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Asiana Airlines Logo
3:05 pm - 1:55 pmHGH-SEA
14h 50m1 stop
$767Asiana Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Hainan Airlines Logo
11:00 am - 7:55 pmSEA-HGH
17h 55m1 stop
Hainan Airlines Logo
8:30 am - 9:00 amHGH-SEA
15h 30m1 stop
$813Hainan Airlines
Find Deal
Sat, Mar 14 - Tue, Mar 24
Multiple Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Multiple Airlines Logo
1:00 pm - 2:31 pmHGH-SEA
41h 31m2 stops
$838Multiple Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 16
Air China Logo
12:36 pm - 9:35 amSEA-HGH
28h 59m2 stops
Air China Logo
9:00 am - 4:09 pmHGH-SEA
23h 09m2 stops
$876Air China
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Tue, Dec 2 - Sun, Dec 7
Air China Logo
12:36 pm - 5:55 pmSEA-HGH
37h 19m2 stops
Air China Logo
7:00 am - 4:09 pmHGH-SEA
25h 09m2 stops
$880Air China
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Tue, Dec 2 - Sun, Dec 7
Multiple Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Multiple Airlines Logo
6:50 pm - 7:16 pmHGH-SEA
40h 26m3 stops
$885Multiple Airlines
Find Deal
Sat, Nov 29 - Mon, Dec 8
Multiple Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Multiple Airlines Logo
1:00 pm - 2:31 pmHGH-SEA
41h 31m2 stops
$890Multiple Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Multiple Airlines Logo
12:10 am - 1:45 pmSEA-HGH
21h 35m1 stop
Multiple Airlines Logo
8:35 am - 6:40 pmHGH-SEA
26h 05m2 stops
$891Multiple Airlines
Find Deal
Sun, Nov 30 - Fri, Dec 5

Cathay Pacific flights from Seattle to Hangzhou

Our best Cathay Pacific deals on Seattle to Hangzhou flight tickets
Cathay Pacific
Nov 30
SEA7:56 pmSeattle/Tacoma Intl
26h 34m
2 stops
HGH2:30 pmHangzhou
Dec 8
HGH8:00 amHangzhou
22h 36m
2 stops
SEA2:36 pmSeattle/Tacoma Intl
$903
Find similar
Cathay Pacific
Mar 1
SEA7:55 pmSeattle/Tacoma Intl
22h 15m
2 stops
HGH10:10 amHangzhou
Mar 5
HGH8:00 amHangzhou
22h 36m
2 stops
SEA2:36 pmSeattle/Tacoma Intl
$942
Find similar
Cathay Pacific
Dec 9
SEA7:54 pmSeattle/Tacoma Intl
34h 36m
2 stops
HGH10:30 pmHangzhou
Dec 16
HGH7:30 pmHangzhou
29h 33m
2 stops
SEA9:03 amSeattle/Tacoma Intl
$973
Find similar

Asiana Airlines flights from Seattle to Hangzhou

Our best Asiana Airlines deals on Seattle to Hangzhou flight tickets
Asiana Airlines
Nov 29
SEA12:10 amSeattle/Tacoma Intl
21h 35m
1 stop
HGH1:45 pmHangzhou
Dec 8
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$706
Find similar
Asiana Airlines
Dec 1
SEA12:10 amSeattle/Tacoma Intl
21h 35m
1 stop
HGH1:45 pmHangzhou
Dec 7
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$749
Find similar
Asiana Airlines
Dec 8
SEA12:10 amSeattle/Tacoma Intl
21h 35m
1 stop
HGH1:45 pmHangzhou
Dec 16
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$767
Find similar

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 November 13, 2025.
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 11/29

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Mon 12/8

3:05 pm-1:55 pm

1 stop14h 50m

$706

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 12/1

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Sun 12/7

3:05 pm-1:55 pm

1 stop14h 50m

$749

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 12/8

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Tue 12/16

3:05 pm-1:55 pm

1 stop14h 50m

$767

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 3/14

11:00 am-7:55 pm

1 stop17h 55m

Hangzhou

Tue 3/24

8:30 am-9:00 am

1 stop15h 30m

$813

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 11/29

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Tue 12/16

1:00 pm-2:31 pm

2 stops41h 31m

$838

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 12/2

12:36 pm-9:35 am

2 stops28h 59m

Hangzhou

Sun 12/7

9:00 am-4:09 pm

2 stops23h 09m

$876

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 12/2

12:36 pm-5:55 pm

2 stops37h 19m

Hangzhou

Sun 12/7

7:00 am-4:09 pm

2 stops25h 09m

$880

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 11/29

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Mon 12/8

6:50 pm-7:16 pm

3 stops40h 26m

$885

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 12/8

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Tue 12/16

1:00 pm-2:31 pm

2 stops41h 31m

$890

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 11/30

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Fri 12/5

8:35 am-6:40 pm

2 stops26h 05m

$891

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 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.

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

Direct flights

None
There are no direct flights from Seattle to Hangzhou. There are no popular flight routes from Seattle to Hangzhou.
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  • 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 $640Free CancellationRating
8.1
53 reviews
Search Hainan Airlines 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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