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Cheap flights from Washington to Hangzhou from $429

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 10/1. 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 Washington 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
$863Asiana Airlines
Sun, Oct 25 - Thu, Oct 29
Multiple Airlines Logo
1:40 pm - 1:45 pm
SEA
-
HGH
33h 05m
1 stop
Multiple Airlines Logo
3:05 pm - 1:55 pm
HGH
-
SEA
13h 50m
1 stop
$900Multiple Airlines
Sun, Oct 25 - Thu, Oct 29
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
$906Asiana Airlines
Mon, Oct 26 - Thu, Oct 29
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
$911Asiana Airlines
Fri, Oct 23 - Thu, Oct 29
Cathay Pacific Logo
11:45 am - 10:35 pm
SEA
-
HGH
19h 50m
1 stop
Cathay Pacific Logo
3:45 pm - 10:10 am
HGH
-
SEA
33h 25m
1 stop
$919Cathay Pacific
Thu, Oct 22 - Mon, Oct 26
Hainan Airlines Logo
11:00 am - 7:55 pm
SEA
-
HGH
17h 55m
1 stop
Hainan Airlines Logo
8:30 am - 9:00 am
HGH
-
SEA
15h 30m
1 stop
$942Hainan Airlines
Sat, Oct 24 - Sat, Oct 31
Hainan Airlines Logo
11:00 am - 3:00 pm
SEA
-
HGH
37h 00m
1 stop
Hainan Airlines Logo
9:10 pm - 9:00 am
HGH
-
SEA
26h 50m
1 stop
$943Hainan Airlines
Sat, Oct 24 - Fri, Oct 30
Cathay Pacific Logo
11:45 am - 10:10 am
SEA
-
HGH
31h 25m
1 stop
Cathay Pacific Logo
8:00 am - 10:10 am
HGH
-
SEA
17h 10m
1 stop
$946Cathay Pacific
Sat, Oct 24 - Wed, Oct 28
Qatar Airways Logo
7:02 am - 4:05 pm
PSC
-
HGH
42h 03m
2 stops
Qatar Airways Logo
12:55 am - 10:17 pm
HGH
-
PSC
36h 22m
2 stops
$1,632Qatar Airways
Mon, Jun 22 - Sun, Jun 28
Qatar Airways Logo
7:09 am - 4:05 pm
PSC
-
HGH
41h 56m
2 stops
Qatar Airways Logo
12:55 am - 10:23 pm
HGH
-
PSC
36h 28m
2 stops
$1,637Qatar Airways
Sun, Oct 18 - Wed, Oct 21

Qatar Airways flights from State of Washington to Hangzhou

Our best Qatar Airways deals on State of Washington to Hangzhou flight tickets
Qatar Airways
Jun 22
PSC7:02 amPasco Tri Cities
42h 03m
2 stops
HGH4:05 pmHangzhou
Jun 28
HGH12:55 amHangzhou
36h 22m
2 stops
PSC10:17 pmPasco Tri Cities
$1,632
Qatar Airways
Oct 18
PSC7:09 amPasco Tri Cities
41h 56m
2 stops
HGH4:05 pmHangzhou
Oct 21
HGH12:55 amHangzhou
36h 28m
2 stops
PSC10:23 pmPasco Tri Cities
$1,637
Qatar Airways
Jun 24
PSC7:02 amPasco Tri Cities
42h 03m
2 stops
HGH4:05 pmHangzhou
Jun 30
HGH12:55 amHangzhou
36h 22m
2 stops
PSC10:17 pmPasco Tri Cities
$1,646

Asiana Airlines flights from State of Washington to Hangzhou

Our best Asiana Airlines deals on State of Washington to Hangzhou flight tickets
Asiana Airlines
Oct 25
SEA12:10 amSeattle/Tacoma Intl
22h 35m
1 stop
HGH1:45 pmHangzhou
Oct 29
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$863
Asiana Airlines
Oct 26
SEA12:10 amSeattle/Tacoma Intl
22h 35m
1 stop
HGH1:45 pmHangzhou
Oct 29
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$906
Asiana Airlines
Oct 23
SEA12:10 amSeattle/Tacoma Intl
22h 35m
1 stop
HGH1:45 pmHangzhou
Oct 29
HGH3:05 pmHangzhou
14h 50m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$911

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 May 11, 2026.
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

Cheapest round-trip

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 10/25

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Thu 10/29

3:05 pm-2:55 pm

1 stop14h 50m

$863

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 10/25

1:40 pm-1:45 pm

1 stop33h 05m

Hangzhou

Thu 10/29

3:05 pm-1:55 pm

1 stop13h 50m

$900

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 10/26

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Thu 10/29

3:05 pm-2:55 pm

1 stop14h 50m

$906

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 10/23

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Thu 10/29

3:05 pm-2:55 pm

1 stop14h 50m

$911

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 10/22

11:45 am-10:35 pm

1 stop19h 50m

Hangzhou

Mon 10/26

3:45 pm-10:10 am

1 stop33h 25m

$919
Quickest round-trip

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 10/24

11:00 am-7:55 pm

1 stop17h 55m

Hangzhou

Sat 10/31

8:30 am-9:00 am

1 stop15h 30m

$942

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 10/24

11:00 am-3:00 pm

1 stop37h 00m

Hangzhou

Fri 10/30

9:10 pm-9:00 am

1 stop26h 50m

$943

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 10/24

11:45 am-10:10 am

1 stop31h 25m

Hangzhou

Wed 10/28

8:00 am-10:10 am

1 stop17h 10m

$946

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Mon 6/22

7:02 am-4:05 pm

2 stops42h 03m

Hangzhou

Sun 6/28

12:55 am-10:17 pm

2 stops36h 22m

$1,632

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Sun 10/18

7:09 am-4:05 pm

2 stops41h 56m

Hangzhou

Wed 10/21

12:55 am-10:23 pm

2 stops36h 28m

$1,637

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 airline that flies from Washington to Hangzhou?

Hainan Airlines is the most popular carrier operating from Washington 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 State of Washington according to our data. Delta is the first choice among our users, with 47% 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.

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

24h 11m

Direct flights

None
The fastest flight from State of Washington to Hangzhou takes 24h 11m
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

Frequently asked questions about flying from Washington to Hangzhou

  • 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
Cathay PacificPriceFrom $872Free CancellationRating
7.6
1,326 reviews
Search Cathay Pacific 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.

An easier way to manage your Hangzhou trip

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