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Cheap flights from Washington to Hangzhou from $749

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Hangzhou departing on 12/1. 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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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
$749Asiana Airlines
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lun., dic. 1 - dom., dic. 7
Multiple Airlines Logo
12:36 pm - 9:35 amSEA-HGH
28h 59m2 stops
Multiple Airlines Logo
9:00 pm - 11:55 amHGH-SEA
54h 55m2 stops
$892Multiple Airlines
Find Deal
mar., dic. 2 - dom., dic. 7
Cathay Pacific Logo
7:55 pm - 10:10 amSEA-HGH
22h 15m2 stops
Cathay Pacific Logo
8:00 am - 2:25 pmHGH-SEA
22h 25m2 stops
$942Cathay Pacific
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dom., mar. 1 - jue., mar. 5
Hainan Airlines Logo
10:00 am - 7:55 pmSEA-HGH
17h 55m1 stop
Hainan Airlines Logo
7:35 pm - 8:00 amHGH-SEA
52h 25m2 stops
$1,061Hainan Airlines
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mar., dic. 2 - dom., dic. 7
Cathay Pacific Logo
7:55 pm - 6:15 pmSEA-HGH
30h 20m2 stops
Cathay Pacific Logo
8:00 am - 2:25 pmHGH-SEA
22h 25m2 stops
$1,316Cathay Pacific
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dom., mar. 1 - jue., mar. 5
Singapore Airlines Logo
8:45 am - 10:00 pmSEA-HGH
45h 15m1 stop
Singapore Airlines Logo
11:10 pm - 7:10 amHGH-SEA
48h 00m1 stop
$1,328Singapore Airlines
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mar., dic. 2 - dom., dic. 7
Multiple Airlines Logo
12:10 am - 6:15 pmSEA-HGH
26h 05m1 stop
Multiple Airlines Logo
10:00 pm - 6:10 pmHGH-SEA
36h 10m2 stops
$1,345Multiple Airlines
Find Deal
lun., dic. 1 - dom., dic. 7
Singapore Airlines Logo
8:45 am - 10:00 pmSEA-HGH
45h 15m1 stop
Singapore Airlines Logo
11:10 pm - 7:10 amHGH-SEA
48h 00m1 stop
$1,414Singapore Airlines
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mar., dic. 2 - dom., dic. 7
Emirates Logo
4:05 pm - 4:00 pmSEA-HGH
31h 55m1 stop
Emirates Logo
12:10 am - 12:35 pmHGH-SEA
28h 25m1 stop
$1,794Emirates
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mar., dic. 2 - sáb., dic. 6
Emirates Logo
4:05 pm - 4:00 pmSEA-HGH
31h 55m1 stop
Emirates Logo
12:10 am - 12:35 pmHGH-SEA
28h 25m1 stop
$1,836Emirates
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dom., mar. 1 - mié., mar. 4

United Airlines flights from State of Washington to Hangzhou

Our best United Airlines deals on State of Washington to Hangzhou flight tickets
United Airlines
Apr 17
PSC2:00 pmPasco Tri Cities
59h 45m
2 stops
HGH4:45 pmHangzhou
Apr 21
HGH7:00 amHangzhou
44h 15m
2 stops
PSC12:15 pmPasco Tri Cities
$2,588
Find similar
United Airlines
Dec 21
SEA12:35 pmSeattle/Tacoma Intl
60h 10m
2 stops
HGH4:45 pmHangzhou
Dec 28
HGH9:00 amHangzhou
31h 59m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$3,727
Find similar
United Airlines
Nov 15
SEA12:00 pmSeattle/Tacoma Intl
36h 45m
3 stops
HGH4:45 pmHangzhou
Nov 23
HGH9:00 amHangzhou
43h 18m
2 stops
SEA12:18 pmSeattle/Tacoma Intl
$8,132
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Hainan Airlines flights from State of Washington to Hangzhou

Our best Hainan Airlines deals on State of Washington to Hangzhou flight tickets
Hainan Airlines
Nov 13
SEA10:05 amSeattle/Tacoma Intl
33h 20m
2 stops
HGH11:25 amHangzhou
Nov 25
HGH7:30 amHangzhou
16h 30m
1 stop
SEA8:00 amSeattle/Tacoma Intl
$894
Find similar
Hainan Airlines
Dec 2
SEA10:00 amSeattle/Tacoma Intl
17h 55m
1 stop
HGH7:55 pmHangzhou
Dec 7
HGH7:35 pmHangzhou
52h 25m
2 stops
SEA8:00 amSeattle/Tacoma Intl
$1,061
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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 noviembre 6, 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

lun. 12/1

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

dom. 12/7

3:05 pm-1:55 pm

1 stop14h 50m

$749

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

mar. 12/2

12:36 pm-9:35 am

2 stops28h 59m

Hangzhou

dom. 12/7

9:00 pm-11:55 am

2 stops54h 55m

$892

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

dom. 3/1

7:55 pm-10:10 am

2 stops22h 15m

Hangzhou

jue. 3/5

8:00 am-2:25 pm

2 stops22h 25m

$942

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

mar. 12/2

10:00 am-7:55 pm

1 stop17h 55m

Hangzhou

dom. 12/7

7:35 pm-8:00 am

2 stops52h 25m

$1,061

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

dom. 3/1

7:55 pm-6:15 pm

2 stops30h 20m

Hangzhou

jue. 3/5

8:00 am-2:25 pm

2 stops22h 25m

$1,316

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

mar. 12/2

8:45 am-10:00 pm

1 stop45h 15m

Hangzhou

dom. 12/7

11:10 pm-7:10 am

1 stop48h 00m

$1,328

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

lun. 12/1

12:10 am-6:15 pm

1 stop26h 05m

Hangzhou

dom. 12/7

10:00 pm-6:10 pm

2 stops36h 10m

$1,345

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

mar. 12/2

8:45 am-10:00 pm

1 stop45h 15m

Hangzhou

dom. 12/7

11:10 pm-7:10 am

1 stop48h 00m

$1,414

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

mar. 12/2

4:05 pm-4:00 pm

1 stop31h 55m

Hangzhou

sáb. 12/6

12:10 am-12:35 pm

1 stop28h 25m

$1,794

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

dom. 3/1

4:05 pm-4:00 pm

1 stop31h 55m

Hangzhou

mié. 3/4

12:10 am-12:35 pm

1 stop28h 25m

$1,836

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

Direct flights

None
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 $640Free CancellationRating
8.1
52 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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sáb. 12/6
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