SEA - HGH

$492 Find Cheap Flights from Seattle to Hangzhou

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Hangzhou departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Hangzhou

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hangzhou, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hangzhou, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$700
Cathay Pacific
Thu 9/17Mon 9/21
SEA - HGH • 1 stop
Cheapest one-way
$492
Cathay Pacific
Sat 8/15
SEA - HGH • 1 stop
Top airlines
Cheapest • from $700 (round-trip)
Best reviews • 7.6 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Seattle and Hangzhou. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $885 (round-trip)
Shortest trip • 18h 05m (one-way)
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Hangzhou!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Hangzhou (SEA-HGH)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Hangzhou that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Hangzhou

Thu, Sep 17 - Mon, Sep 21
Cathay Pacific Logo
11:45 am - 2:40 pm
SEA
-
HGH
35h 55m
1 stop
Cathay Pacific Logo
3:55 pm - 10:05 am
HGH
-
SEA
33h 10m
1 stop
$700Cathay Pacific
Thu, Sep 17 - Mon, Sep 21
Cathay Pacific Logo
11:45 am - 2:40 pm
SEA
-
HGH
35h 55m
1 stop
Cathay Pacific Logo
11:25 am - 10:05 am
HGH
-
SEA
37h 40m
1 stop
$733Cathay Pacific
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
11:45 am - 6:30 pm
SEA
-
HGH
39h 45m
1 stop
Multiple Airlines Logo
7:45 pm - 8:11 am
HGH
-
SEA
27h 26m
2 stops
$814Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Cathay Pacific Logo
11:45 am - 2:40 pm
SEA
-
HGH
35h 55m
1 stop
Cathay Pacific Logo
7:45 pm - 8:38 pm
HGH
-
SEA
39h 53m
2 stops
$852Cathay Pacific
Thu, Sep 17 - Mon, Sep 21
Cathay Pacific Logo
7:10 pm - 2:40 pm
SEA
-
HGH
28h 30m
2 stops
Cathay Pacific Logo
7:45 pm - 10:05 am
HGH
-
SEA
29h 20m
1 stop
$857Cathay Pacific
Wed, Jul 22 - Wed, Jul 29
Cathay Pacific Logo
12:25 pm - 10:35 pm
SEA
-
HGH
19h 10m
1 stop
Cathay Pacific Logo
8:00 am - 10:20 am
HGH
-
SEA
17h 20m
1 stop
$898Cathay Pacific
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
12:25 pm - 10:10 am
SEA
-
HGH
30h 45m
1 stop
Multiple Airlines Logo
7:45 pm - 7:07 am
HGH
-
SEA
26h 22m
2 stops
$932Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
1:13 pm - 10:10 am
SEA
-
HGH
29h 57m
2 stops
Multiple Airlines Logo
7:45 pm - 8:52 am
HGH
-
SEA
28h 07m
2 stops
$933Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Cathay Pacific Logo
8:41 am - 6:30 pm
SEA
-
HGH
42h 49m
2 stops
Cathay Pacific Logo
7:45 pm - 8:38 pm
HGH
-
SEA
39h 53m
2 stops
$976Cathay Pacific
Sun, Jul 19 - Sun, Jul 26
Multiple Airlines Logo
11:00 pm - 6:30 pm
SEA
-
HGH
28h 30m
2 stops
Multiple Airlines Logo
7:45 pm - 10:20 am
HGH
-
SEA
29h 35m
1 stop
$977Multiple Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Hangzhou flights

Get data-powered insights and trends into flights from Seattle to Hangzhou to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Seattle to Hangzhou?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Seattle to Hangzhou were found on Cathay Pacific ($700) and Air Canada ($1,833).

Good to know

Cheapest flight$492
Flight from Seattle to Hangzhou

When to book flights from Seattle to Hangzhou

Are your dates flexible? Find out the best times to travel from Seattle to Hangzhou based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Hangzhou

  • What is the cheapest flight from Seattle to Hangzhou?

    In the last 5 days, the lowest price for a flight from Seattle to Hangzhou was $492 for a one-way ticket and $700 for a round-trip.

  • Do I need a passport to fly between Seattle and Hangzhou?

    Yes, you’ll need a passport to travel to Hangzhou from Seattle.

  • Which aircraft models fly most regularly from Seattle to Hangzhou?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Hangzhou?

    oneworld is the only airline alliance operating flights between Seattle and Hangzhou.

  • How does KAYAK find such low prices on flights from Seattle to Hangzhou?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Hangzhou.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Hangzhou?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hangzhou from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Hangzhou?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hangzhou with an airline and back to Seattle with another airline. Booking your flights between Seattle and HGH can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Hangzhou?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hangzhou from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Seattle to Hangzhou

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Hangzhou. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Hangzhou? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
Cathay PacificOverall score based on 1361 reviews
7.6Comfort
8.1Crew
7.9Boarding
7.3Food
7.8Entertainment
Airline reviews

The go to HK trip will easily giving jetlag, but coming back to Chicago has no jetlag because of the time taking off matter.

10.0 ExcellentNgai, Jun 2026
HKG - ORD
Read more Cathay Pacific reviews

The go to HK trip will easily giving jetlag, but coming back to Chicago has no jetlag because of the time taking off matter.

Despite the crew's rough day, they were all very focused and friendly. The flight was too short for a meal, so no rating on that. Re. the AA app. It still isn't ready for prime time. AA works with Cathy Pacific for international flights to LA and the Aa jump to PHX. But the AA app can't find my trip and this can be problematic with flight delays and regatings at LAX.

Was not able to board flight because boarding pass name did not match passport name and no one caught it.

Had a bad experience with crew member coming back Hong Kong to la the person next to me one of the passenger have taken video and picture of crew member the person that served meal young kid late 20' s 6 5'10 had attitude at his peak anything I asked for I don't know if it was bad day or racial I felt humiliated as people could see difference towards me I no problem with Cathy and my whole family never had one was very disappointed

Frequently flyer number should and could have been put on at the time of booking as I gave the number when booking.

Very attentive crews Flight was very smooth and safe Only little disappointment was the slight delay of departure (~30 minutes ) which rarely happen with CX flights

Not at all satisfactory. I had stomach upsets after taking food. Quality of Asian vegetarian meal was awful. Further there was no snacks/ fruits/ biscuits available as in between snacks.. only peanuts and pitzels.. except courteous staff rest of my experience was far from satisfactory

Staff was very courteous. Plane was clean and quite spacious even in the last rows. Veg food could have been better.

Later on, when there was no more bottled water, the water we received had a strong chlorine/disinfectant odor. On my flight from Hong Kong to Los Angeles, there was a male flight attendant who had a mean attitude throughout the whole trip, and he was very impatient during meal service “Furthermore, we purchased a Hong Kong SIM card as part of our flight package, but we received no instructions—neither by email nor SMS—on how to activate or use it. Consequently, we were unable to use the service at all. We request a full refund, as this appears to be a deceptive charge

I do not think there was much that could have been done to make it better. The delayed flight was due to bad weather. The turbulent patches were very unavoidable. Am simply thankful that there were no sudden and / or sharp drops during the flight. I do extend my compliments to captain Marcus I believe was his name and the rest of the crew. They all did an excellent job. My only question is whether I get a refund since the seats I had chosen and paid for were reassigned.

Everything you need to know for your flight from Seattle to Hangzhou

Information on your arrival and departure airports