HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hangzhou

$603+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Hangzhou with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
1 star

Round-trip from

$970
(Trip.com)

One-way from

$603
(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 Seattle/Tacoma Intl to Hangzhou
Search Deals
One-way flight from Seattle/Tacoma Intl to Hangzhou
Search Deals

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 February 22, 2025.

This Air China deal was found by Cheapflights users on 2/22. 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.
Mon 4/75:10 pmSEA - HGH
2 stops25h 35mMultiple Airlines
Mon 4/147:00 pmHGH - SEA
2 stops57h 59mMultiple Airlines
Deal found 2/22$950
This Gotogate deal was found by Cheapflights users on 2/21. 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.
Sat 4/511:00 amSEA - HGH
1 stop18h 05mHainan Airlines
Sat 4/128:25 amHGH - SEA
1 stop15h 35mHainan Airlines
Deal found 2/21$1,017
This Gotogate deal was found by Cheapflights users on 2/21. 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.
Mon 4/712:50 pmSEA - HGH
1 stop33h 35mKorean Air
Mon 4/142:30 pmHGH - SEA
1 stop35h 10mKorean Air
Deal found 2/21$1,405
This Flightnetwork deal was found by Cheapflights users on 2/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/74:30 pmSEA - HGH
1 stop32h 35mQatar Airways
Sun 4/1312:55 amHGH - SEA
1 stop26h 50mQatar Airways
Deal found 2/22$1,641
This AranGrant deal was found by Cheapflights users on 2/21. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:10 pmSEA - HGH
2 stops27h 35mAir China
Sat 4/199:00 amHGH - SEA
2 stops21h 58mAir China
Deal found 2/21$5,109

Find flights from Seattle to Hangzhou within your budget

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 February 22, 2025.

Fly from

Seattle

Fly to

Hangzhou

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 4/7

5:10 pm-9:45 am

2 stops25h 35m

Hangzhou

Mon 4/14

7:00 pm-1:59 pm

2 stops57h 59m

$950

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sat 4/5

11:00 am-8:05 pm

1 stop18h 05m

Hangzhou

Sat 4/12

8:25 am-9:00 am

1 stop15h 35m

$1,017

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 4/7

12:50 pm-1:25 pm

1 stop33h 35m

Hangzhou

Mon 4/14

2:30 pm-10:40 am

1 stop35h 10m

$1,405

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 4/7

4:30 pm-4:05 pm

1 stop32h 35m

Hangzhou

Sun 4/13

12:55 am-12:45 pm

1 stop26h 50m

$1,641

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Fri 4/11

5:10 pm-11:45 am

2 stops27h 35m

Hangzhou

Sat 4/19

9:00 am-3:58 pm

2 stops21h 58m

$5,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

  • Most accurate provider: When it comes to deals on Seattle-Hangzhou flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Hangzhou flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Hangzhou flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Hangzhou flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Hangzhou flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Seattle to Hangzhou

Get recent, data-driven insights about flights from Seattle to Hangzhou including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Hangzhou (average of $1,055). Flying from Seattle to Hangzhou in June is currently the most expensive (average of $1,799). 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 February 22, 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 February 22, 2025.
EVA Air
8.4
Very good
1,199 reviews

Overall

8.4

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Crew

8.6

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air
8.4
Very good
1,199 reviews
EVA Air
8.4
Very good
1,199 reviews

Overall

8.4

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Crew

8.6

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air
8.4
Very good
1,036 reviews
EVA Air
8.4
Very good
1,199 reviews

Overall

8.4

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Crew

8.6

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Singapore Airlines
8.1
Very good
1,297 reviews
EVA Air
8.4
Very good
1,199 reviews

Overall

8.4

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Crew

8.6

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Hainan Airlines
7.8
Good
31 reviews
EVA Air
8.4
Very good
1,199 reviews

Overall

8.4

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Crew

8.6

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Qatar Airways
7.4
Good
3,609 reviews
EVA Air
8.4
Very good
1,199 reviews

Overall

8.4

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Crew

8.6

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • What are the cheapest airlines to fly from Seattle to Hangzhou one-way?

    $656 is the cheapest one-way deal found within the past few days, from EVA Air. You may also be able to find cheap deals on Singapore Airlines and Qatar Airways, with prices starting from $757 and $1,047, respectively.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Hangzhou (average of $1,055). Flying from Seattle to Hangzhou in June is currently the most expensive (average of $1,799). 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$468Average$956FlexibilityNo cancel feeOn-time61%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.