Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Hangzhou from $841

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Hangzhou departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Hangzhou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hainan Airlines Logo
11:00 am - 7:55 pm
SEA
-
HGH
17h 55m1 stop
Hainan Airlines Logo
8:25 am - 9:00 am
HGH
-
SEA
15h 35m1 stop
$841Hainan Airlines
Tue, Mar 10 - Tue, Apr 7
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
22h 35m1 stop
Asiana Airlines Logo
3:10 pm - 2:55 pm
HGH
-
SEA
14h 45m1 stop
$855Asiana Airlines
Wed, Mar 11 - Sun, Apr 5
Multiple Airlines Logo
2:40 pm - 1:45 pm
SEA
-
HGH
32h 05m1 stop
Multiple Airlines Logo
8:25 am - 9:00 am
HGH
-
SEA
15h 35m1 stop
$887Multiple Airlines
Thu, Mar 12 - Sat, Apr 4
Hainan Airlines Logo
11:00 am - 10:15 am
SEA
-
HGH
32h 15m1 stop
Hainan Airlines Logo
9:30 pm - 9:00 am
HGH
-
SEA
26h 30m1 stop
$892Hainan Airlines
Tue, Mar 10 - Fri, Apr 3
Hainan Airlines Logo
11:05 am - 11:25 am
SEA
-
HGH
33h 20m2 stops
Hainan Airlines Logo
8:25 am - 9:00 am
HGH
-
SEA
15h 35m1 stop
$899Hainan Airlines
Thu, Mar 12 - Sat, Apr 4
Asiana Airlines Logo
12:10 am - 1:45 pm
SEA
-
HGH
22h 35m1 stop
Asiana Airlines Logo
3:10 pm - 2:55 pm
HGH
-
SEA
14h 45m1 stop
$906Asiana Airlines
Sun, Mar 8 - Fri, Apr 3
Korean Air Logo
1:30 pm - 10:55 am
SEA
-
HGH
30h 25m2 stops
Korean Air Logo
2:30 pm - 10:40 am
HGH
-
SEA
35h 10m1 stop
$911Korean Air
Mon, Mar 9 - Wed, Apr 1
Korean Air Logo
12:00 pm - 1:30 pm
SEA
-
HGH
34h 30m1 stop
Korean Air Logo
2:30 pm - 9:48 pm
HGH
-
SEA
22h 18m2 stops
$917Korean Air
Wed, Mar 11 - Wed, Apr 1
Korean Air Logo
12:15 pm - 10:55 am
SEA
-
HGH
31h 40m2 stops
Korean Air Logo
2:30 pm - 2:41 pm
HGH
-
SEA
39h 11m2 stops
$922Korean Air
Mon, Mar 9 - Wed, Apr 1
Korean Air Logo
12:00 pm - 1:30 pm
SEA
-
HGH
34h 30m1 stop
Korean Air Logo
2:30 pm - 10:26 am
HGH
-
SEA
34h 56m2 stops
$924Korean Air
Wed, Mar 11 - Mon, Apr 6

Cathay Pacific flights from Seattle to Hangzhou

Our best Cathay Pacific deals on Seattle to Hangzhou flight tickets
Cathay Pacific
May 11
SEA11:50 amSeattle/Tacoma Intl
31h 20m
1 stop
HGH10:10 amHangzhou
Jun 11
HGH8:00 amHangzhou
17h 35m
1 stop
SEA10:35 amSeattle/Tacoma Intl
$933
Find similar
Cathay Pacific
May 12
SEA11:50 amSeattle/Tacoma Intl
19h 45m
1 stop
HGH10:35 pmHangzhou
Jun 11
HGH8:00 amHangzhou
17h 35m
1 stop
SEA10:35 amSeattle/Tacoma Intl
$935
Find similar
Cathay Pacific
May 13
SEA11:50 amSeattle/Tacoma Intl
31h 20m
1 stop
HGH10:10 amHangzhou
Jun 11
HGH8:00 amHangzhou
17h 35m
1 stop
SEA10:35 amSeattle/Tacoma Intl
$953
Find similar

Asiana Airlines flights from Seattle to Hangzhou

Our best Asiana Airlines deals on Seattle to Hangzhou flight tickets
Asiana Airlines
Mar 11
SEA12:10 amSeattle/Tacoma Intl
22h 35m
1 stop
HGH1:45 pmHangzhou
Apr 5
HGH3:10 pmHangzhou
14h 45m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$855
Find similar
Asiana Airlines
Mar 8
SEA12:10 amSeattle/Tacoma Intl
22h 35m
1 stop
HGH1:45 pmHangzhou
Apr 3
HGH3:10 pmHangzhou
14h 45m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$906
Find similar
Asiana Airlines
May 10
SEA12:10 amSeattle/Tacoma Intl
22h 35m
1 stop
HGH1:45 pmHangzhou
Jun 12
HGH3:10 pmHangzhou
14h 45m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$945
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated January 4, 2026.
Use the filters below to find and compare flights from Seattle to Hangzhou that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 3/10

11:00 am-7:55 pm

1 stop17h 55m

Hangzhou

Tue 4/7

8:25 am-9:00 am

1 stop15h 35m

$841

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 3/11

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Sun 4/5

3:10 pm-2:55 pm

1 stop14h 45m

$855

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 3/12

2:40 pm-1:45 pm

1 stop32h 05m

Hangzhou

Sat 4/4

8:25 am-9:00 am

1 stop15h 35m

$887

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Tue 3/10

11:00 am-10:15 am

1 stop32h 15m

Hangzhou

Fri 4/3

9:30 pm-9:00 am

1 stop26h 30m

$892

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Thu 3/12

11:05 am-11:25 am

2 stops33h 20m

Hangzhou

Sat 4/4

8:25 am-9:00 am

1 stop15h 35m

$899

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Sun 3/8

12:10 am-1:45 pm

1 stop22h 35m

Hangzhou

Fri 4/3

3:10 pm-2:55 pm

1 stop14h 45m

$906

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 3/9

1:30 pm-10:55 am

2 stops30h 25m

Hangzhou

Wed 4/1

2:30 pm-10:40 am

1 stop35h 10m

$911

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 3/11

12:00 pm-1:30 pm

1 stop34h 30m

Hangzhou

Wed 4/1

2:30 pm-9:48 pm

2 stops22h 18m

$917

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Mon 3/9

12:15 pm-10:55 am

2 stops31h 40m

Hangzhou

Wed 4/1

2:30 pm-2:41 pm

2 stops39h 11m

$922

SeattleHangzhou

SEA - HGH

SEAHGH

Seattle/Tacoma Intl

Wed 3/11

12:00 pm-1:30 pm

1 stop34h 30m

Hangzhou

Mon 4/6

2:30 pm-10:26 am

2 stops34h 56m

$924

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Hangzhou from

How to get the cheapest flight ticket from Seattle 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 airlines fly to Hangzhou?

Delta, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Hangzhou from Seattle according to our data. Delta is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Hangzhou. Keep in mind that there are 9 different airlines that fly to Hangzhou on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Hangzhou

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Hangzhou according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Hangzhou (SEA to HGH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Hangzhou

Fastest flight time

23h 14m

Direct flights

None
The fastest flight from Seattle to Hangzhou takes 23h 14m
There are no direct flights from Seattle to Hangzhou. There are no popular flight routes from Seattle to Hangzhou.
Search flight deals

  • How far is Seattle/Tacoma Intl to Hangzhou by plane?

    Seattle/Tacoma Intl and Hangzhou are 5802.6 mi apart from one another. 23h 14m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Hangzhou Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hangzhou Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hangzhou Airport.

  • What documentation or ID do you need to fly to Hangzhou Airport?

    The travel and health documents required for your trip to Hangzhou Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hangzhou Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Hangzhou?

Best airlines flying from Seattle to Hangzhou

Compare and see reviews for airlines that fly from Seattle to Hangzhou with momondo
Airline
Rating
Free Cancellation
Price
Hainan AirlinesPriceFrom $843Free CancellationRating
8.2
62 reviews
Search Hainan Airlines flights
Cathay PacificPriceFrom $872Free CancellationRating
7.6
1,121 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Hangzhou?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Hangzhou. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Hangzhou with flexible booking policies on momondo?

All flight searches from Seattle to Hangzhou on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Hangzhou?

momondo helps you find the best flight between Seattle and Hangzhou by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Hangzhou right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Hangzhou now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hangzhou and let you know when they change.

An easier way to manage your Hangzhou trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 2/3
Tue 2/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to China