What is the cheapest airline that flies from Washington to Hangzhou?

Hainan Airlines, Korean Air, and EVA Air are the most popular carriers operating from Washington to Hangzhou

How long does it take to fly to Hangzhou?

If you’re flying from a popular airport in State of Washington, such as Seattle or Pasco, and flying into Hangzhou, then you can expect flight times to average 12h 35m and 17h 20m, respectively.

What airlines fly to Hangzhou?

Delta, Korean Air and Asiana Airlines 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 59% of people opting to fly with this airline when traveling to Hangzhou. Keep in mind that there are 8 different airlines that fly to Hangzhou on a routine basis, so you have a few additional options to choose from.

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?

As of August 2025, there is 1 operator available to choose from 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.

$446 Cheap Flights from Washington to Hangzhou in 2025

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Find the cheapest flights from Washington to Hangzhou

Round-trip

One-way

Last minute

Cheap round-trip flights

11:00 am - 8:05 pmSEA-HGH

18h 05m1 stop

8:30 am - 8:00 amHGH-SEA

15h 30m1 stop

$833Hainan Airlines

Find Deal

Sat, Oct 18 - Sat, Nov 8

6:35 am - 10:05 pmSEA-HGH

24h 30m2 stops

10:00 am - 9:53 pmHGH-SEA

26h 53m2 stops

$851Air China

Find Deal

Sun, Sep 28 - Sun, Oct 5

10:08 am - 10:50 amSEA-HGH

33h 42m2 stops

3:10 pm - 1:55 pmHGH-SEA

14h 45m1 stop

$890

Find Deal

Thu, Oct 30 - Sun, Nov 9

12:00 pm - 1:30 pmSEA-HGH

34h 30m1 stop

2:40 pm - 9:00 amHGH-SEA

34h 20m1 stop

$912Korean Air

Find Deal

Wed, Oct 29 - Mon, Nov 10

11:00 am - 10:15 amSEA-HGH

32h 15m1 stop

11:30 am - 9:00 amHGH-SEA

36h 30m1 stop

$914Hainan Airlines

Find Deal

Sat, Sep 20 - Fri, Oct 3

12:50 pm - 1:25 pmSEA-HGH

33h 35m1 stop

2:40 pm - 9:00 amHGH-SEA

34h 20m1 stop

$915Korean Air

Find Deal

Mon, Oct 20 - Fri, Nov 7

2:45 pm - 3:10 pmSEA-HGH

33h 25m1 stop

3:10 pm - 1:55 pmHGH-SEA

14h 45m1 stop

$951

Find Deal

Thu, Oct 30 - Sun, Nov 9

8:08 pm - 10:10 amSEA-HGH

23h 02m2 stops

3:55 pm - 11:42 pmHGH-SEA

22h 47m2 stops

$957Cathay Pacific

Find Deal

Mon, Sep 22 - Wed, Oct 1

8:08 pm - 10:10 amSEA-HGH

23h 02m2 stops

11:25 am - 7:06 pmHGH-SEA

22h 41m2 stops

$961Cathay Pacific

Find Deal

Tue, Sep 23 - Wed, Oct 1

6:00 am - 10:00 pmPSC-HGH

49h 00m2 stops

12:10 am - 9:19 pmHGH-PSC

36h 09m2 stops

$1,921Emirates

Find Deal

Sun, Sep 28 - Sat, Oct 4

Air China flights from State of Washington to Hangzhou

Our best Air China deals on State of Washington to Hangzhou flight tickets

Air China

Sep 28

SEA6:35 amSeattle/Tacoma Intl

24h 30m

2 stops

HGH10:05 pmHangzhou

Oct 5

HGH10:00 amHangzhou

26h 53m

2 stops

SEA9:53 pmSeattle/Tacoma Intl

$851

Find similar

Air China

Oct 31

SEA12:41 pmSeattle/Tacoma Intl

39h 04m

2 stops

HGH6:45 pmHangzhou

Nov 12

HGH9:00 amHangzhou

20h 28m

2 stops

SEA1:28 pmSeattle/Tacoma Intl

$978

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

Oct 29

SEA12:00 pmSeattle/Tacoma Intl

34h 30m

1 stop

HGH1:30 pmHangzhou

Nov 10

HGH2:40 pmHangzhou

34h 20m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$912

Find similar

Korean Air

Oct 20

SEA12:50 pmSeattle/Tacoma Intl

33h 35m

1 stop

HGH1:25 pmHangzhou

Nov 7

HGH2:40 pmHangzhou

34h 20m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$915

Find similar

Korean Air

Oct 28

SEA2:10 pmSeattle/Tacoma Intl

56h 20m

2 stops

HGH1:30 pmHangzhou

Nov 7

HGH2:40 pmHangzhou

34h 20m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$918

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 10/18

11:00 am-8:05 pm

1 stop18h 05m

Hangzhou

Sat 11/8

8:30 am-8:00 am

1 stop15h 30m

$833

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 9/28

6:35 am-10:05 pm

2 stops24h 30m

Hangzhou

Sun 10/5

10:00 am-9:53 pm

2 stops26h 53m

$851

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 10/30

10:08 am-10:50 am

2 stops33h 42m

Hangzhou

Sun 11/9

3:10 pm-1:55 pm

1 stop14h 45m

$890

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 10/29

12:00 pm-1:30 pm

1 stop34h 30m

Hangzhou

Mon 11/10

2:40 pm-9:00 am

1 stop34h 20m

$912

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 9/20

11:00 am-10:15 am

1 stop32h 15m

Hangzhou

Fri 10/3

11:30 am-9:00 am

1 stop36h 30m

$914

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 10/20

12:50 pm-1:25 pm

1 stop33h 35m

Hangzhou

Fri 11/7

2:40 pm-9:00 am

1 stop34h 20m

$915

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 10/30

2:45 pm-3:10 pm

1 stop33h 25m

Hangzhou

Sun 11/9

3:10 pm-1:55 pm

1 stop14h 45m

$951

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 9/22

8:08 pm-10:10 am

2 stops23h 02m

Hangzhou

Wed 10/1

3:55 pm-11:42 pm

2 stops22h 47m

$957

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 9/23

8:08 pm-10:10 am

2 stops23h 02m

Hangzhou

Wed 10/1

11:25 am-7:06 pm

2 stops22h 41m

$961

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Sun 9/28

6:00 am-10:00 pm

2 stops49h 00m

Hangzhou

Sat 10/4

12:10 am-9:19 pm

2 stops36h 09m

$1,921

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

Best Price Found	$446
Fastest flight time	18h 05m
Direct flights	None
Airports in Hangzhou	1 airport

The best one-way flight to Hangzhou from State of Washington in the past 72 hours is $446. The best round-trip flight deal from State of Washington to Hangzhou found on momondo in the last 72 hours is $833.

The fastest flight from State of Washington to Hangzhou takes 18h 05m

There are no direct flights from State of Washington to Hangzhou. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Hangzhou Airport and Pasco Tri Cities Airport - Hangzhou Airport.

There is 1 airport near Hangzhou: Hangzhou (HGH)

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?
As of August 2025, there is 1 operator available to choose from 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 Airlines	PriceFrom $468	Free Cancellation	Rating 8.2 45 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.