$401+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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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
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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
One-way
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 August 19, 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 August 19, 2026.
This oojo deal was found by Cheapflights users on 8/16. 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 9/912:25 pm -
1 stop19h 10m
Wed 11/257:30 pm -
1 stop29h 40m
Deal found 8/16![Cathay Pacific logo]()
$779
This FlightHub deal was found by Cheapflights users on 8/19. 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 10/2611:50 am -
1 stop39h 25m
Tue 11/177:30 pm -
1 stop29h 40m
Deal found 8/19![Cathay Pacific logo]()
$784
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Thu 10/2911:50 am -
1 stop39h 25m
Tue 11/1711:25 am -
1 stop37h 45m
Deal found 8/19![Cathay Pacific logo]()
$806
This oojo deal was found by Cheapflights users on 8/16. 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 9/97:18 am -
2 stops24h 17m
Wed 11/258:00 am -
1 stop17h 10m
Deal found 8/16![Multiple Airlines logo]()
$842
This KAYAK deal was found by Cheapflights users on 8/19. 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 10/2411:45 am -
1 stop31h 25m
Thu 11/198:00 am -
1 stop17h 10m
Deal found 8/19![Cathay Pacific logo]()
$856
This oojo deal was found by Cheapflights users on 8/16. 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 9/307:18 am -
2 stops24h 17m
Wed 10/77:45 pm -
2 stops26h 23m
Deal found 8/16![Multiple Airlines logo]()
$872
This Booking.com deal was found by Cheapflights users on 8/19. 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 10/279:56 am -
2 stops21h 34m
Mon 11/1611:25 am -
2 stops19h 19m
Deal found 8/19![Multiple Airlines logo]()
$881
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Sun 10/257:57 pm -
2 stops23h 13m
Wed 11/187:30 pm -
1 stop29h 40m
Deal found 8/19![Cathay Pacific logo]()
$888
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 August 19, 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 August 19, 2026.
This oojo deal was found by Cheapflights users on 8/15. 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 9/912:25 pm -
1 stop19h 10m
Wed 11/257:30 pm -
1 stop29h 40m
Deal found 8/15![Cathay Pacific logo]()
$779
This oojo deal was found by Cheapflights users on 8/16. 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 9/308:41 am -
2 stops22h 54m
Wed 10/711:25 am -
1 stop37h 40m
Deal found 8/16![Multiple Airlines logo]()
$842
This Asiana Airlines deal was found by Cheapflights users on 8/19. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:10 am -
1 stop22h 35m
Thu 11/193:05 pm -
1 stop14h 50m
Deal found 8/19![Asiana Airlines logo]()
$957
This oojo deal was found by Cheapflights users on 8/16. 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 9/3011:45 am -
1 stop19h 50m
Wed 10/73:55 pm -
1 stop33h 10m
Deal found 8/16![Cathay Pacific logo]()
$779
This oojo deal was found by Cheapflights users on 8/19. 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 10/45:59 pm -
2 stops29h 41m
Sun 10/117:45 pm -
2 stops26h 23m
Deal found 8/19![Multiple Airlines logo]()
$872
This Asiana Airlines deal was found by Cheapflights users on 8/19. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:10 am -
1 stop22h 35m
Tue 11/173:05 pm -
1 stop14h 50m
Deal found 8/19![Asiana Airlines logo]()
$957
This oojo deal was found by Cheapflights users on 8/15. 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 9/96:49 am -
2 stops24h 46m
Wed 11/253:45 pm -
2 stops21h 11m
Deal found 8/15![Multiple Airlines logo]()
$923
This Asiana Airlines deal was found by Cheapflights users on 8/19. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:10 am -
1 stop22h 35m
Sun 11/153:05 pm -
1 stop14h 50m
Deal found 8/19![Asiana Airlines logo]()
$957
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:35 pm -
1 stop33h 10m
Fri 10/99:30 pm -
1 stop26h 30m
Deal found 8/17![Multiple Airlines logo]()
$928
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated August 19, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/17. 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 9/912:25 pm -
1 stop19h 10m
Wed 11/257:30 pm -
1 stop29h 40m
Deal found 8/17![Cathay Pacific logo]()
$779
This oojo deal was found by Cheapflights users on 8/17. 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 9/97:18 am -
2 stops24h 17m
Wed 11/258:00 am -
1 stop17h 10m
Deal found 8/17![Multiple Airlines logo]()
$842
This oojo deal was found by Cheapflights users on 8/16. 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 9/307:18 am -
2 stops24h 17m
Wed 10/77:45 pm -
2 stops26h 23m
Deal found 8/16![Multiple Airlines logo]()
$872
One-way flights from Seattle to HangzhouSearch for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This oojo deal was found by Cheapflights users on 8/18. 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 8/3112:25 pm -
1 stop30h 45m
Deal found 8/18![Cathay Pacific logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:50 am -
1 stop31h 20m
Deal found 8/18![Cathay Pacific logo]()
$412
This oojo deal was found by Cheapflights users on 8/18. 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 8/319:25 pm -
2 stops21h 45m
Deal found 8/18![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:50 am -
1 stop19h 40m
Deal found 8/18![Cathay Pacific logo]()
$443
This oojo deal was found by Cheapflights users on 8/18. 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.
Sat 8/291:35 pm -
1 stop33h 10m
Deal found 8/18![Multiple Airlines logo]()
$452
This oojo deal was found by Cheapflights users on 8/18. 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.
Sat 11/2810:50 am -
1 stop19h 40m
Deal found 8/18![Cathay Pacific logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:50 pm -
2 stops25h 20m
Deal found 8/18![Multiple Airlines logo]()
$478
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Sun 11/2910:03 am -
2 stops32h 07m
Deal found 8/18![Cathay Pacific logo]()
$486
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:35 pm -
1 stop33h 10m
Deal found 8/19![Multiple Airlines logo]()
$489
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $779 (oojo) |
One-way from | $401 (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 August 19, 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
Wed 9/9
12:25 pm-10:35 pm
1 stop19h 10m
Hangzhou
Wed 11/25
7:30 pm-9:10 am
1 stop29h 40m
$779
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Wed 9/30
11:45 am-10:35 pm
1 stop19h 50m
Hangzhou
Wed 10/7
3:55 pm-10:05 am
1 stop33h 10m
$779
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Wed 9/30
8:41 am-10:35 pm
2 stops22h 54m
Hangzhou
Wed 10/7
11:25 am-10:05 am
1 stop37h 40m
$842
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 10/4
5:59 pm-2:40 pm
2 stops29h 41m
Hangzhou
Sun 10/11
7:45 pm-7:08 am
2 stops26h 23m
$872
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Wed 9/9
6:49 am-10:35 pm
2 stops24h 46m
Hangzhou
Wed 11/25
3:45 pm-8:56 pm
2 stops21h 11m
$923
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Fri 10/2
1:35 pm-1:45 pm
1 stop33h 10m
Hangzhou
Fri 10/9
9:30 pm-9:00 am
1 stop26h 30m
$928
Quickest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/29
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Thu 11/19
3:05 pm-1:55 pm
1 stop14h 50m
$957
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/29
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Tue 11/17
3:05 pm-1:55 pm
1 stop14h 50m
$957
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/29
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Sun 11/15
3:05 pm-1:55 pm
1 stop14h 50m
$957
Cheapest one-way
Quickest one-way
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 9/1
12:25 pm-10:35 pm
1 stop19h 10m
$401
Showing 1-10 of 21 resultsSorted 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 August 19, 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
Entertainment
7.7
Comfort
7.5
Food
7.3
Overall
7.6
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Boarding
7.9
Crew
8.1
Entertainment
7.7
Comfort
7.5
Food
7.3
Overall
7.6
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - 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.
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Complete your trip to Hangzhou by adding a car rental and/or hotel reservation to your travel itinerary.
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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 August 19, 2026.
Seattle and Hangzhou flights
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Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.
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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 August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$983 | FlexibilityNo cancel fee | On-time72% |