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$475+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Nov 16 — Nov 231
Sun 11/16
Sun 11/23
1 adult, Economy
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Find 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 October 17, 2025.

This FlightHub deal was found by Cheapflights users on 10/15. 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.
Mon 12/112:10 amSEA - HGH
1 stop21h 35mAsiana Airlines
Sun 12/73:05 pmHGH - SEA
1 stop14h 50mAsiana Airlines
Deal found 10/15$749
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/912:10 amSEA - HGH
1 stop21h 35mMultiple Airlines
Wed 11/192:00 pmHGH - SEA
2 stops21h 16mMultiple Airlines
Deal found 10/14$753
This Gotogate deal was found by Cheapflights users on 10/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:10 amSEA - HGH
1 stop21h 35mMultiple Airlines
Fri 11/211:00 pmHGH - SEA
2 stops25h 06mMultiple Airlines
Deal found 10/15$754
This FlightHub deal was found by Cheapflights users on 10/15. 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.
Sun 10/191:15 amSEA - HGH
2 stops22h 10mMultiple Airlines
Fri 11/79:55 amHGH - SEA
1 stop21h 10mMultiple Airlines
Deal found 10/15$860
This Ovago deal was found by Cheapflights users on 10/15. 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 12/28:05 amSEA - HGH
2 stops35h 05mMultiple Airlines
Sun 12/76:50 pmHGH - SEA
2 stops31h 11mMultiple Airlines
Deal found 10/15$872
This Gurufare deal was found by Cheapflights users on 10/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:51 pmPSC - HGH
2 stops27h 54mMultiple Airlines
Mon 12/83:05 pmHGH - PSC
2 stops18h 30mMultiple Airlines
Deal found 10/17$997
This Ovago deal was found by Cheapflights users on 10/15. 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.
Sat 11/295:46 amPSC - HGH
2 stops22h 09mMultiple Airlines
Sat 12/68:30 amHGH - PSC
2 stops21h 32mMultiple Airlines
Deal found 10/15$1,119
This oojo deal was found by Cheapflights users on 10/16. 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.
Sun 11/307:00 amPSC - HGH
2 stops47h 30mCathay Pacific
Sun 12/77:30 pmHGH - PSC
2 stops44h 05mCathay Pacific
Deal found 10/16$1,433
This IEagle deal was found by Cheapflights users on 10/16. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:46 amPSC - HGH
2 stops42h 14mMultiple Airlines
Sat 12/612:10 amHGH - PSC
2 stops36h 43mMultiple Airlines
Deal found 10/16$2,018

Cheap flight deals from Washington to Hangzhou

Keep the following information in mind while searching for Washington to Hangzhou flight deals. Data was last updated October 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$749
(FlightHub)

One-way from

$475
(oojo)
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 October 17, 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

Sun 11/9

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Wed 11/19

2:00 pm-7:16 pm

2 stops21h 16m

$753

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 11/16

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Fri 11/21

1:00 pm-10:06 pm

2 stops25h 06m

$754

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 3/19

12:45 am-11:00 pm

2 stops31h 15m

Hangzhou

Fri 4/3

9:40 am-4:10 pm

1 stop21h 30m

$837

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 11/17

11:00 am-10:55 am

1 stop31h 55m

Hangzhou

Fri 11/21

2:40 pm-9:00 am

1 stop34h 20m

$910

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 3/1

7:55 pm-10:10 am

2 stops22h 15m

Hangzhou

Thu 3/5

11:25 am-6:52 pm

2 stops23h 27m

$942

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Mon 12/1

5:51 pm-1:45 pm

2 stops27h 54m

Hangzhou

Mon 12/8

3:05 pm-5:35 pm

2 stops18h 30m

$997

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Sat 11/29

5:46 am-7:55 pm

2 stops22h 09m

Hangzhou

Sat 12/6

8:30 am-2:02 pm

2 stops21h 32m

$1,119

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Sun 11/30

7:00 am-10:30 pm

2 stops47h 30m

Hangzhou

Sun 12/7

7:30 pm-11:35 pm

2 stops44h 05m

$1,433

PascoHangzhou

PSC - HGH

PSCHGH

Pasco Tri Cities

Sun 11/30

5:46 am-4:00 pm

2 stops42h 14m

Hangzhou

Sat 12/6

12:10 am-8:53 pm

2 stops36h 43m

$2,018

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 11/6

11:45 pm-2:35 pm

2 stops22h 50m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 11 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 $1,065). 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 47h 30m. Cathay Pacific provides one of the quickest options available for as low as $1,433. There are 5972 mi between State of Washington and Hangzhou.

  • 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 $1,065). 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 October 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$640Average$961FlexibilityNo cancel feeOn-time61%

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