$886+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Jul 17 — Jul 241
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Hangzhou with Cheapflights
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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
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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 June 17, 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 June 17, 2026.
This FlightHub deal was found by Cheapflights users on 6/14. 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 10/1311:45 am
SEA
- HGH
1 stop35h 55m
Cathay Pacific
Thu 11/58:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 6/14![Cathay Pacific logo]()
$886
This oojo deal was found by Cheapflights users on 6/12. 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.
Tue 10/1312:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Thu 11/123:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 6/12![Asiana Airlines logo]()
$894
This FlightHub deal was found by Cheapflights users on 6/12. 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 10/1311:45 am
SEA
- HGH
1 stop31h 25m
Cathay Pacific
Wed 11/117:30 pm
HGH
- SEA
1 stop29h 40m
Cathay Pacific
Deal found 6/12![Cathay Pacific logo]()
$896
This Korean Air deal was found by Cheapflights users on 6/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:50 pm
SEA
- HGH
1 stop33h 35m
Korean Air
Mon 11/22:40 pm
HGH
- SEA
1 stop34h 20m
Korean Air
Deal found 6/14![Korean Air logo]()
$901
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:50 pm
SEA
- HGH
1 stop33h 35m
Korean Air
Mon 11/92:40 pm
HGH
- SEA
1 stop34h 20m
Korean Air
Deal found 6/12![Korean Air logo]()
$906
This Korean Air deal was found by Cheapflights users on 6/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:55 pm
SEA
- HGH
2 stops51h 30m
Korean Air
Mon 11/22:40 pm
HGH
- SEA
1 stop34h 20m
Korean Air
Deal found 6/14![Korean Air logo]()
$907
This Cathay Pacific deal was found by Cheapflights users on 6/14. 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.
Tue 10/1311:45 am
SEA
- HGH
1 stop39h 45m
Cathay Pacific
Sun 11/13:45 pm
HGH
- SEA
1 stop33h 25m
Cathay Pacific
Deal found 6/14![Cathay Pacific logo]()
$909
This Cathay Pacific deal was found by Cheapflights users on 6/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:50 am
SEA
- HGH
1 stop19h 40m
Cathay Pacific
Mon 11/98:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 6/16![Cathay Pacific logo]()
$919
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:55 pm
SEA
- HGH
2 stops51h 30m
Korean Air
Mon 11/92:40 pm
HGH
- SEA
1 stop34h 20m
Korean Air
Deal found 6/12![Korean Air logo]()
$924
This FlightHub deal was found by Cheapflights users on 6/14. 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 10/1312:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Thu 11/53:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 6/14![Asiana Airlines logo]()
$928
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 June 17, 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 June 17, 2026.
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:50 pm
SEA
- HGH
1 stop33h 35m
Korean Air
Mon 11/92:40 pm
HGH
- SEA
1 stop34h 20m
Korean Air
Deal found 6/12![Korean Air logo]()
$906
This Cathay Pacific deal was found by Cheapflights users on 6/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:50 am
SEA
- HGH
1 stop19h 40m
Cathay Pacific
Mon 11/98:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 6/15![Cathay Pacific logo]()
$919
This Asiana Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 10/1312:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Sun 11/153:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 6/12![Asiana Airlines logo]()
$956
This Korean Air deal was found by Cheapflights users on 6/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:30 pm
SEA
- HGH
2 stops55h 55m
Korean Air
Mon 11/22:40 pm
HGH
- SEA
1 stop34h 20m
Korean Air
Deal found 6/14![Korean Air logo]()
$957
This Asiana Airlines deal was found by Cheapflights users on 6/12. 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 10/1512:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Mon 11/93:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 6/12![Asiana Airlines logo]()
$1,006
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated June 17, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/13. 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 7/13:31 pm
SEA
- HGH
2 stops28h 09m
Multiple Airlines
Tue 7/218:25 am
HGH
- SEA
1 stop15h 35m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,285
This Korean Air deal was found by Cheapflights users on 6/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:20 pm
SEA
- HGH
2 stops30h 05m
Korean Air
Wed 7/222:30 pm
HGH
- SEA
1 stop35h 30m
Korean Air
Deal found 6/14![Korean Air logo]()
$1,311
This oojo deal was found by Cheapflights users on 6/14. 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 7/512:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Mon 8/33:10 pm
HGH
- SEA
1 stop15h 35m
Asiana Airlines
Deal found 6/14![Asiana Airlines logo]()
$1,196
This Expedia deal was found by Cheapflights users on 6/13. 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.
Sun 7/51:30 pm
SEA
- HGH
1 stop32h 20m
Multiple Airlines
Sat 7/117:30 am
HGH
- SEA
1 stop16h 30m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,267
This KAYAK deal was found by Cheapflights users on 6/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:25 pm
SEA
- HGH
1 stop35h 15m
Cathay Pacific
Mon 8/38:00 am
HGH
- SEA
1 stop17h 20m
Cathay Pacific
Deal found 6/15![Cathay Pacific logo]()
$1,205
This oojo deal was found by Cheapflights users on 6/14. 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 7/2912:25 pm
SEA
- HGH
1 stop30h 45m
Cathay Pacific
Wed 8/57:45 pm
HGH
- SEA
1 stop29h 35m
Cathay Pacific
Deal found 6/14![Cathay Pacific logo]()
$1,151
This Ovago deal was found by Cheapflights users on 6/14. 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.
Wed 7/2912:25 pm
SEA
- HGH
1 stop19h 10m
Multiple Airlines
Wed 8/57:45 pm
HGH
- SEA
2 stops26h 22m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,156
This oojo deal was found by Cheapflights users on 6/15. 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.
Thu 7/3012:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Fri 8/73:10 pm
HGH
- SEA
1 stop15h 35m
Asiana Airlines
Deal found 6/15![Asiana Airlines logo]()
$1,291
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 June 17, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Mon 7/2710:30 am
SEA
- HGH
2 stops35h 35m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,902
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sun 7/263:35 pm
SEA
- HGH
2 stops54h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,904
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/298:41 pm
SEA
- HGH
2 stops49h 24m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,979
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/283:35 pm
SEA
- HGH
2 stops54h 15m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,985
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/255:36 pm
SEA
- HGH
2 stops52h 29m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$2,055
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/2310:30 am
SEA
- HGH
2 stops36h 15m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$2,120
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Fri 7/2411:00 pm
SEA
- HGH
3 stops44h 55m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$2,187
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/2511:00 am
SEA
- HGH
1 stop18h 10m
Hainan Airlines
Deal found 6/12![Hainan Airlines logo]()
$2,745
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 June 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $886 (FlightHub) |
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 2,558,603 searches. Data last updated June 17, 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 - HGH
SEAHGH
Seattle/Tacoma Intl
Mon 10/12
12:50 pm-1:25 pm
1 stop33h 35m
Hangzhou
Mon 11/9
2:40 pm-9:00 am
1 stop34h 20m
$906
Quickest round-trip
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 11/5
10:50 am-10:30 pm
1 stop19h 40m
Hangzhou
Mon 11/9
8:00 am-9:10 am
1 stop17h 10m
$919
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Tue 10/13
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Sun 11/15
3:05 pm-1:55 pm
1 stop14h 50m
$956
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 10/16
2:30 pm-1:25 pm
2 stops55h 55m
Hangzhou
Mon 11/2
2:40 pm-9:00 am
1 stop34h 20m
$957
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 10/15
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Mon 11/9
3:05 pm-1:55 pm
1 stop14h 50m
$1,006
Cheapest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Mon 7/27
10:30 am-1:05 pm
2 stops35h 35m
$1,902
Quickest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sat 7/25
11:00 am-8:10 pm
1 stop18h 10m
$2,745
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 7/23
1:30 pm-11:40 pm
1 stop19h 10m
$2,798
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Wed 7/29
1:30 pm-12:50 pm
1 stop32h 20m
$3,358
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sun 7/26
12:10 am-1:45 pm
1 stop22h 35m
$3,448
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 June 17, 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.
Crew
8.1
Boarding
7.9
Overall
7.6
Food
7.3
Comfort
7.6
Entertainment
7.8
Reviews
1 / 20
4.0
OkayTejbir,Apr 2026
YVR - HKG
Crew
8.1
Boarding
7.9
Overall
7.6
Food
7.3
Comfort
7.6
Entertainment
7.8
Reviews
1 / 20
4.0
OkayTejbir,Apr 2026
YVR - 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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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 June 17, 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 June 17, 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 2,558,603 searches. Data last updated June 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$887 | FlexibilityNo cancel fee | On-time72% |