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$483+ Cheap flights from Seattle (SEA) 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Seattle to Hangzhou

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Hangzhou (HGH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$930
(Booking.com)

One-way from

$483
(oojo)
From Seattle/Tacoma Intl to Hangzhou
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One-way flight from Seattle/Tacoma Intl to Hangzhou
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Find flight deals from Seattle to Hangzhou

Cheapest flights from Seattle to Hangzhou
Explore the most affordable flight options available from Seattle to Hangzhou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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.
Wed 11/195:30 amSEA - HGH
2 stops26h 35mMultiple Airlines
Sat 12/63:10 pmHGH - SEA
1 stop14h 45mMultiple Airlines
Deal found 6/10$930
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:30 amSEA - HGH
2 stops25h 35mAir China
Sat 12/69:00 amHGH - SEA
2 stops22h 15mAir China
Deal found 6/10$941
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:20 pmSEA - HGH
1 stop33h 05mKorean Air
Mon 9/12:30 pmHGH - SEA
1 stop35h 10mKorean Air
Deal found 6/12$975
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Tue 11/1812:10 amSEA - HGH
1 stop21h 35mAsiana Airlines
Sat 12/63:10 pmHGH - SEA
1 stop14h 45mAsiana Airlines
Deal found 6/10$1,108
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/41:10 amSEA - HGH
1 stop26h 05mEVA Air
Sun 8/317:35 pmHGH - SEA
1 stop15h 15mEVA Air
Deal found 6/12$1,172
This oojo deal was found by Cheapflights users on 6/10. 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.
Wed 11/193:40 pmSEA - HGH
1 stop32h 00mQatar Airways
Fri 12/512:10 amHGH - SEA
2 stops34h 45mQatar Airways
Deal found 6/10$1,574
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1411:40 amSEA - HGH
2 stops56h 05mUnited Airlines
Mon 6/239:00 amHGH - SEA
2 stops27h 11mUnited Airlines
Deal found 6/9$1,911
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:34 pmSEA - HGH
2 stops26h 16mANA
Mon 9/11:50 pmHGH - SEA
2 stops22h 04mANA
Deal found 6/12$1,957
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Fri 6/1310:15 amSEA - HGH
1 stop44h 20mSingapore Airlines
Fri 7/1110:50 pmHGH - SEA
1 stop24h 55mSingapore Airlines
Deal found 6/12$2,112

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to Hangzhou that are best for you.

Fly from

Seattle

Fly to

Hangzhou

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 11/19

5:30 am-12:05 am

2 stops26h 35m

Hangzhou

Sat 12/6

3:10 pm-1:55 pm

1 stop14h 45m

$930

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 11/19

5:30 am-11:05 pm

2 stops25h 35m

Hangzhou

Sat 12/6

9:00 am-3:15 pm

2 stops22h 15m

$941

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 8/4

1:20 pm-1:25 pm

1 stop33h 05m

Hangzhou

Mon 9/1

2:30 pm-10:40 am

1 stop35h 10m

$975

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 11/18

12:10 am-1:45 pm

1 stop21h 35m

Hangzhou

Sat 12/6

3:10 pm-1:55 pm

1 stop14h 45m

$1,108

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 8/4

1:10 am-6:15 pm

1 stop26h 05m

Hangzhou

Sun 8/31

7:35 pm-7:50 pm

1 stop15h 15m

$1,172

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 11/19

3:40 pm-3:40 pm

1 stop32h 00m

Hangzhou

Fri 12/5

12:10 am-6:55 pm

2 stops34h 45m

$1,574

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 8/2

7:34 pm-12:50 pm

2 stops26h 16m

Hangzhou

Mon 9/1

1:50 pm-8:54 pm

2 stops22h 04m

$1,957

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 8/3

7:15 pm-10:05 pm

2 stops35h 50m

Hangzhou

Thu 8/28

1:00 pm-9:21 am

2 stops35h 21m

$2,414

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 8/2

5:15 pm-10:00 pm

1 stop37h 45m

Hangzhou

Wed 8/27

12:10 am-1:25 pm

1 stop28h 15m

$3,386

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 11/14

8:45 am-9:45 pm

1 stop45h 00m

Hangzhou

Sat 12/6

11:15 pm-7:10 am

1 stop23h 55m

$4,116

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
1
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Best time to book a flight from Seattle to Hangzhou

Have a flexible travel schedule? Discover the best time to fly to Hangzhou from Seattle 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 Seattle to Hangzhou

What is the cheapest month to book a flight from Seattle to Hangzhou?

Currently, March is the cheapest month in which you can book a flight from Seattle to Hangzhou (average of $1,028). Flying from Seattle to Hangzhou in June is currently the most expensive (average of $1,736). 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.

What is the cheapest time of day to fly from SEA to HGH?

Find hourly flight availability from Seattle to Hangzhou. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Hangzhou in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

Rainfall in Hangzhou by month

Plan your trip to Hangzhou by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hangzhou ranges from 2.0 - 8.3 inches per month. June is typically the wettest month, when rainfall can reach 8.3 in. December is typically the driest time to visit Hangzhou when rainfall is around 2.0 in.

Temperature in Hangzhou by month

Plan your trip to Hangzhou by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hangzhou, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Hangzhou

Get insights into the airlines that provide service to Hangzhou. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hangzhou. Reviews last updated June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Hangzhou?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Hangzhou (average of $1,028). Flying from Seattle to Hangzhou in June is currently the most expensive (average of $1,736). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Hangzhou by adding a car rental and/or hotel reservation to your travel itinerary.
Hangzhou car rentals
Shanghai Hongqiao Intl Airport car rentals
Hangzhou Airport car rentals

Top airline flying from Seattle to Hangzhou

Discover the top airline that operate flights from Seattle 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$640Average$1,034FlexibilityNo cancel feeOn-time61%

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