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$452+ Cheap flights from Washington to Hangzhou (HGH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Washington to Hangzhou

Cheapest flights from Washington to Hangzhou
Explore the most affordable flight options available from Washington to Hangzhou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This Air China deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:36 pmSEA - HGH
2 stops28h 59mMultiple Airlines
Tue 12/92:30 pmHGH - SEA
2 stops37h 25mMultiple Airlines
Deal found 12/1$796
This Trip.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:00 amSEA - HGH
1 stop21h 35mHainan Airlines
Tue 12/98:30 amHGH - SEA
1 stop15h 30mHainan Airlines
Deal found 12/1$886
This Air China deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:36 pmSEA - HGH
2 stops28h 59mMultiple Airlines
Sun 12/79:00 pmHGH - SEA
2 stops54h 55mMultiple Airlines
Deal found 12/1$892
This oojo deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:54 pmSEA - HGH
2 stops22h 16mCathay Pacific
Sun 12/77:30 pmHGH - SEA
2 stops35h 06mCathay Pacific
Deal found 11/30$954
This FlightHub deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:00 amSEA - HGH
1 stop36h 15mHainan Airlines
Sun 12/77:35 pmHGH - SEA
2 stops52h 25mHainan Airlines
Deal found 12/1$1,267
This oojo deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:10 amSEA - HGH
1 stop26h 05mEVA Air
Sun 12/77:35 pmHGH - SEA
1 stop14h 35mEVA Air
Deal found 11/30$1,353
This Justfly.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:45 amSEA - HGH
1 stop45h 15mSingapore Airlines
Sun 12/711:10 pmHGH - SEA
1 stop48h 00mSingapore Airlines
Deal found 12/1$1,737
This Ovago deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:05 pmSEA - HGH
1 stop31h 55mEmirates
Sat 12/612:10 amHGH - SEA
1 stop28h 25mEmirates
Deal found 11/30$2,122

Find flight deals from Washington to Hangzhou

Keep the following information in mind while searching for Washington to Hangzhou flight deals. Data was last updated December 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$812
(Gotogate)

One-way from

$452
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Hangzhou flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hangzhou flights.
Search Deals
From Washington to Hangzhou
Search Deals
One-way flight from Washington to Hangzhou
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Washington to Hangzhou that are best for you.

Fly from

Washington

Fly to

Hangzhou

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 3/31

11:00 am-8:05 pm

1 stop18h 05m

Hangzhou

Sat 4/18

8:25 am-9:00 am

1 stop15h 35m

$812

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 1/21

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Mon 1/26

3:05 pm-1:55 pm

1 stop14h 50m

$905

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 3/31

11:50 am-10:35 pm

1 stop19h 45m

Hangzhou

Sat 4/18

11:25 am-7:08 am

2 stops34h 43m

$936

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 1/22

5:53 pm-10:10 am

2 stops24h 17m

Hangzhou

Mon 1/26

3:45 pm-6:49 pm

2 stops43h 04m

$948

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 3/20

2:40 pm-1:45 pm

1 stop32h 05m

Hangzhou

Sun 3/29

3:10 pm-2:30 pm

1 stop14h 20m

$951

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 3/20

6:00 pm-6:15 pm

2 stops33h 15m

Hangzhou

Sun 3/29

3:55 pm-10:10 am

1 stop33h 15m

$955

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Fri 1/23

8:27 am-1:45 pm

2 stops37h 18m

Hangzhou

Sat 3/7

3:05 pm-7:54 pm

2 stops20h 49m

$1,022

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Thu 1/15

8:27 am-1:45 pm

2 stops37h 18m

Hangzhou

Thu 1/22

3:05 pm-12:20 am

2 stops25h 15m

$1,066

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Sat 1/17

5:59 am-7:55 pm

2 stops21h 56m

Hangzhou

Sat 1/24

7:30 am-8:57 pm

2 stops29h 27m

$1,082

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Fri 1/23

7:00 am-6:15 pm

2 stops43h 15m

Hangzhou

Sat 3/7

8:00 am-10:38 pm

2 stops30h 38m

$1,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 23 results
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Best time to book a flight from Washington to Hangzhou

Have a flexible travel schedule? Discover the best time to fly to Hangzhou from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Hangzhou

What is the cheapest month to book a flight from State of Washington to Hangzhou?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Hangzhou (average of $435). Flying from State of Washington to Hangzhou in July is currently the most expensive (average of $1,055). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Hangzhou. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hangzhou from Washington?

    For a flight from Washington to Hangzhou, you will be flying into Hangzhou. Hangzhou (HGH) is just 16.9 mi from the center of the city.

  • How long is the flight from State of Washington to Hangzhou?

    A quick flight from State of Washington to Hangzhou can take about 18h 05m. Hainan Airlines provides one of the quickest options available for as low as $812. There are 5805 mi between State of Washington and Hangzhou. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from State of Washington to Hangzhou?

    Most travelers choose Seattle/Tacoma Intl - Hangzhou, Pasco Tri Cities - Hangzhou or Walla Walla - Hangzhou when deciding on the best route from State of Washington to Hangzhou.

  • Can I find deals for flights from Washington to Hangzhou that include hotel bookings?

    Yes. In addition to deals on Washington to Hangzhou flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Hangzhou?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Hangzhou.

  • Can I find deals for business class flights from Washington to Hangzhou?

    Yes. Cheapflights offers flight deals from Washington to Hangzhou by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Hangzhou?

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Hangzhou (average of $435). Flying from State of Washington to Hangzhou in July is currently the most expensive (average of $1,055). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington to Hangzhou

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Top airline flying from Washington to Hangzhou

Discover the top airline that operate flights from Washington to Hangzhou. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$843Average$974FlexibilityNo cancel feeOn-time61%

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