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Cheap flights from Washington to Hangzhou from $427

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Hangzhou departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Hangzhou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air China Logo
6:03 am - 9:55 pm
SEA
-
HGH
23h 52m2 stops
Air China Logo
8:00 am - 6:26 pm
HGH
-
SEA
26h 26m2 stops
$825Air China
Wed, Jan 21 - Wed, Jan 28
China Eastern Logo
2:02 pm - 11:10 pm
SEA
-
HGH
41h 08m2 stops
China Eastern Logo
8:00 am - 8:36 pm
HGH
-
SEA
28h 36m2 stops
$845China Eastern
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
11:45 pm - 2:45 pm
SEA
-
HGH
23h 00m1 stop
Multiple Airlines Logo
10:00 pm - 3:05 pm
HGH
-
SEA
33h 05m2 stops
$848Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
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
$854Asiana Airlines
Sat, Feb 7 - Sat, Feb 21
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
$893Asiana Airlines
Sun, Feb 8 - Sun, Feb 22
Korean Air Logo
12:25 pm - 10:55 am
SEA
-
HGH
30h 30m2 stops
Korean Air Logo
2:40 pm - 9:00 am
HGH
-
SEA
34h 20m1 stop
$910Korean Air
Mon, Feb 9 - Mon, Feb 23
Korean Air Logo
11:00 am - 1:30 pm
SEA
-
HGH
34h 30m1 stop
Korean Air Logo
12:05 pm - 8:36 pm
HGH
-
SEA
24h 31m2 stops
$916Korean Air
Wed, Jan 21 - Wed, Jan 28
Cathay Pacific Logo
3:57 pm - 2:30 pm
SEA
-
HGH
30h 33m2 stops
Cathay Pacific Logo
7:30 pm - 4:04 pm
HGH
-
SEA
36h 34m2 stops
$917Cathay Pacific
Mon, Feb 9 - Sun, Feb 22
Cathay Pacific Logo
7:55 pm - 2:30 pm
SEA
-
HGH
26h 35m2 stops
Cathay Pacific Logo
3:45 pm - 8:47 pm
HGH
-
SEA
21h 02m2 stops
$920Cathay Pacific
Sun, Feb 8 - Mon, Feb 23
Multiple Airlines Logo
8:27 am - 1:45 pm
PSC
-
HGH
37h 18m2 stops
Multiple Airlines Logo
3:05 pm - 6:27 pm
HGH
-
PSC
19h 22m2 stops
$1,037Multiple Airlines
Fri, Feb 6 - Fri, Feb 13

Asiana Airlines flights from State of Washington to Hangzhou

Our best Asiana Airlines deals on State of Washington to Hangzhou flight tickets
Asiana Airlines
Feb 7
SEA12:10 amSeattle/Tacoma Intl
21h 35m
1 stop
HGH1:45 pmHangzhou
Feb 21
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$854
Find similar
Asiana Airlines
Feb 8
SEA12:10 amSeattle/Tacoma Intl
21h 35m
1 stop
HGH1:45 pmHangzhou
Feb 22
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$893
Find similar
Asiana Airlines
Feb 8
SEA12:10 amSeattle/Tacoma Intl
21h 35m
1 stop
HGH1:45 pmHangzhou
Feb 25
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$905
Find similar

Korean Air flights from State of Washington to Hangzhou

Our best Korean Air deals on State of Washington to Hangzhou flight tickets
Korean Air
Feb 9
SEA12:25 pmSeattle/Tacoma Intl
30h 30m
2 stops
HGH10:55 amHangzhou
Feb 23
HGH2:40 pmHangzhou
34h 20m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$910
Find similar
Korean Air
Jan 21
SEA11:00 amSeattle/Tacoma Intl
34h 30m
1 stop
HGH1:30 pmHangzhou
Jan 28
HGH12:05 pmHangzhou
24h 31m
2 stops
SEA8:36 pmSeattle/Tacoma Intl
$916
Find similar
Korean Air
Jan 21
SEA2:02 pmSeattle/Tacoma Intl
31h 28m
2 stops
HGH1:30 pmHangzhou
Jan 28
HGH12:05 pmHangzhou
24h 31m
2 stops
SEA8:36 pmSeattle/Tacoma Intl
$921
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 December 23, 2025.
Use the filters below to find and compare flights from Washington to Hangzhou that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 1/21

6:03 am-9:55 pm

2 stops23h 52m

Hangzhou

Wed 1/28

8:00 am-6:26 pm

2 stops26h 26m

$825

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 1/21

2:02 pm-11:10 pm

2 stops41h 08m

Hangzhou

Wed 1/28

8:00 am-8:36 pm

2 stops28h 36m

$845

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 1/21

11:45 pm-2:45 pm

1 stop23h 00m

Hangzhou

Wed 1/28

10:00 pm-3:05 pm

2 stops33h 05m

$848

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 2/7

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Sat 2/21

3:05 pm-1:55 pm

1 stop14h 50m

$854

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 2/8

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Sun 2/22

3:05 pm-1:55 pm

1 stop14h 50m

$893

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 2/9

12:25 pm-10:55 am

2 stops30h 30m

Hangzhou

Mon 2/23

2:40 pm-9:00 am

1 stop34h 20m

$910

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 1/21

11:00 am-1:30 pm

1 stop34h 30m

Hangzhou

Wed 1/28

12:05 pm-8:36 pm

2 stops24h 31m

$916

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 2/9

3:57 pm-2:30 pm

2 stops30h 33m

Hangzhou

Sun 2/22

7:30 pm-4:04 pm

2 stops36h 34m

$917

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 2/8

7:55 pm-2:30 pm

2 stops26h 35m

Hangzhou

Mon 2/23

3:45 pm-8:47 pm

2 stops21h 02m

$920

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Fri 2/6

8:27 am-1:45 pm

2 stops37h 18m

Hangzhou

Fri 2/13

3:05 pm-6:27 pm

2 stops19h 22m

$1,037

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hangzhou from

How to get the cheapest flight ticket from State of Washington 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 State of Washington 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.

Cheap State of Washington to Hangzhou flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Hangzhou

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from State of Washington to Hangzhou takes 19h 20m
There are no direct flights from State of Washington to Hangzhou. There are no popular flight routes from State of Washington to Hangzhou.
Search flight deals

  • When did momondo last update prices for flights from Washington to Hangzhou Airport?

    Prices for flights from Washington to Hangzhou Airport were last updated today.

  • How many operators does momondo search for flights from Washington to Hangzhou Airport?

  • How old do you have to be to fly from Washington to Hangzhou Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Hangzhou Airport.

  • What documentation or ID do you need to fly to Hangzhou Airport?

    The necessary travel and health documents for your Hangzhou Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Hangzhou

Compare and see reviews for airlines that fly from State of Washington to Hangzhou with momondo
Airline
Rating
Free Cancellation
Price
Hainan AirlinesPriceFrom $843Free CancellationRating
8.2
59 reviews
Search Hainan Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Hangzhou?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Hangzhou for you.

Can I find flights from Washington to Hangzhou with flexible booking policies on momondo?

momondo does allow users to show only those flights to Hangzhou from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Hangzhou?

momondo provides multiple filters to help you find the best flight to Hangzhou from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington to Hangzhou right now. Can momondo alert me if prices change?

Price alerts on flights to Hangzhou from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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