$772+ Cheap flights from Seattle (SEA) to Hangzhou (HGH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Nov 24 — Dec 11
Round-trip
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
Cheapest
Best
Last-minute
Cheapest flights from Seattle to HangzhouExplore 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 October 25, 2026.
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 October 25, 2026.
This oojo deal was found by Cheapflights users on 10/20. 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.
Mon 11/910:25 am -
1 stop31h 45m
Mon 11/1611:25 am -
1 stop37h 20m
Deal found 10/20![Cathay Pacific logo]()
$772
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:25 am -
1 stop36h 05m
Sun 11/223:45 pm -
1 stop33h 00m
Deal found 10/22![Cathay Pacific logo]()
$782
This KAYAK deal was found by Cheapflights users on 10/20. 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.
Tue 12/2910:25 am -
1 stop20h 05m
Tue 1/1211:25 am -
1 stop37h 20m
Deal found 10/20![Cathay Pacific logo]()
$807
This FlightHub deal was found by Cheapflights users on 10/23. 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.
Wed 11/1810:25 am -
1 stop31h 45m
Tue 1/127:30 pm -
1 stop29h 15m
Deal found 10/23![Cathay Pacific logo]()
$822
This Booking.com deal was found by Cheapflights users on 10/23. 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.
Mon 12/710:25 am -
1 stop36h 05m
Mon 12/143:45 pm -
1 stop33h 00m
Deal found 10/23![Cathay Pacific logo]()
$832
This oojo deal was found by Cheapflights users on 10/20. 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.
Mon 11/910:25 am -
1 stop31h 45m
Mon 11/163:45 pm -
2 stops31h 22m
Deal found 10/20![Multiple Airlines logo]()
$835
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:33 pm -
2 stops23h 37m
Tue 11/248:00 am -
1 stop16h 45m
Deal found 10/22![Multiple Airlines logo]()
$838
This KAYAK deal was found by Cheapflights users on 10/20. 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.
Mon 12/2810:25 am -
1 stop36h 05m
Wed 1/138:00 am -
1 stop16h 45m
Deal found 10/20![Cathay Pacific logo]()
$845
This KAYAK deal was found by Cheapflights users on 10/23. 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 11/2110:25 am -
1 stop39h 50m
Wed 1/133:45 pm -
1 stop33h 00m
Deal found 10/23![Cathay Pacific logo]()
$857
This oojo deal was found by Cheapflights users on 10/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:03 am -
2 stops36h 27m
Sun 11/2211:25 am -
1 stop37h 20m
Deal found 10/22![Multiple Airlines logo]()
$868
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:00 pm -
2 stops33h 30m
Sun 11/227:30 pm -
2 stops27h 37m
Deal found 10/22![Multiple Airlines logo]()
$882
Best flights from Seattle to HangzhouDiscover carefully curated flight deals from Seattle to Hangzhou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Seattle to Hangzhou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This KAYAK deal was found by Cheapflights users on 10/23. 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.
Tue 11/1710:25 am -
1 stop31h 45m
Wed 1/1311:25 am -
1 stop37h 20m
Deal found 10/23![Cathay Pacific logo]()
$807
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:33 pm -
2 stops23h 37m
Tue 11/247:30 pm -
2 stops28h 45m
Deal found 10/22![Multiple Airlines logo]()
$884
This Singapore Airlines deal was found by Cheapflights users on 10/22. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:40 am -
1 stop25h 20m
Sun 11/2211:10 pm -
1 stop47h 55m
Deal found 10/22![Singapore Airlines logo]()
$1,389
This Cathay Pacific deal was found by Cheapflights users on 10/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:29 am -
2 stops43h 01m
Thu 12/38:00 am -
1 stop16h 45m
Deal found 10/20![Cathay Pacific logo]()
$888
This oojo deal was found by Cheapflights users on 10/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1311:29 am -
2 stops30h 41m
Thu 12/313:45 pm -
2 stops38h 55m
Deal found 10/22![Multiple Airlines logo]()
$1,257
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated October 25, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 10/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:03 am -
2 stops36h 27m
Sun 11/2211:25 am -
1 stop37h 20m
Deal found 10/22![Multiple Airlines logo]()
$868
This oojo deal was found by Cheapflights users on 10/20. 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.
Mon 11/910:25 am -
1 stop31h 45m
Mon 11/1611:25 am -
1 stop37h 20m
Deal found 10/20![Cathay Pacific logo]()
$772
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:25 am -
1 stop36h 05m
Sun 11/223:45 pm -
1 stop33h 00m
Deal found 10/22![Cathay Pacific logo]()
$782
This oojo deal was found by Cheapflights users on 10/20. 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.
Mon 11/910:25 am -
1 stop31h 45m
Mon 11/163:45 pm -
2 stops31h 22m
Deal found 10/20![Multiple Airlines logo]()
$835
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:00 pm -
2 stops33h 30m
Sun 11/2211:25 am -
1 stop37h 20m
Deal found 10/22![Multiple Airlines logo]()
$845
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:33 pm -
2 stops23h 37m
Tue 11/248:00 am -
1 stop16h 45m
Deal found 10/22![Multiple Airlines logo]()
$838
This KAYAK deal was found by Cheapflights users on 10/23. 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.
Tue 11/1710:25 am -
1 stop31h 45m
Wed 1/1311:25 am -
1 stop37h 20m
Deal found 10/23![Cathay Pacific logo]()
$807
This FlightHub deal was found by Cheapflights users on 10/23. 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.
Wed 11/1810:25 am -
1 stop31h 45m
Tue 1/127:30 pm -
1 stop29h 15m
Deal found 10/23![Cathay Pacific logo]()
$822
This KAYAK deal was found by Cheapflights users on 10/23. 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 11/2110:25 am -
1 stop39h 50m
Wed 1/133:45 pm -
1 stop33h 00m
Deal found 10/23![Cathay Pacific logo]()
$857
This Cathay Pacific deal was found by Cheapflights users on 10/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:29 am -
2 stops43h 01m
Thu 12/38:00 am -
1 stop16h 45m
Deal found 10/20![Cathay Pacific logo]()
$888
Find 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $772 (oojo) |
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 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 11/17
10:25 am-10:10 am
1 stop31h 45m
Hangzhou
Wed 1/13
11:25 am-8:45 am
1 stop37h 20m
$807
Quickest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 11/10
6:33 pm-10:10 am
2 stops23h 37m
Hangzhou
Tue 11/24
7:30 pm-8:15 am
2 stops28h 45m
$884
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 11/29
11:29 am-10:30 pm
2 stops43h 01m
Hangzhou
Thu 12/3
8:00 am-8:45 am
1 stop16h 45m
$888
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 12/13
11:29 am-10:10 am
2 stops30h 41m
Hangzhou
Thu 12/31
3:45 pm-2:40 pm
2 stops38h 55m
$1,257
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 11/8
8:40 am-2:00 am
1 stop25h 20m
Hangzhou
Sun 11/22
11:10 pm-7:05 am
1 stop47h 55m
$1,389
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Seattle-Hangzhou flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Hangzhou flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SEA-HGH
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.
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 October 25, 2026.
Read reviews from past customers who have flown Cathay Pacific from Seattle to Hangzhou. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.9
Crew
8.1
Food
7.3
Entertainment
7.8
Overall
7.6
Comfort
7.6
Reviews
1 / 20
4.0
OkayPaden,Oct 2026
SEA - HKG
Boarding
7.9
Crew
8.1
Food
7.3
Entertainment
7.8
Overall
7.6
Comfort
7.6
Reviews
1 / 20
4.0
OkayPaden,Oct 2026
SEA - HKG
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.
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
Flights by cabin class
Hangzhou flight routes
Other flight options
Other flights from Seattle
Popular flights
Complete your trip
Complete your trip to Hangzhou by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Hangzhou by cabin class
Find flights from Seattle to Hangzhou, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Hangzhou
Explore flights to Hangzhou departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Seattle and Hangzhou flights
Browse other Seattle and Hangzhou flight options. Last updated on October 25, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$923 | FlexibilityNo cancel fee | On-time72% |