$407+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Jun 18 — Jun 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Hangzhou with Cheapflights
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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 May 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 May 19, 2026.
This Asiana Airlines deal was found by Cheapflights users on 5/18. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Tue 11/33:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 5/18![Asiana Airlines logo]()
$956
This Cathay Pacific deal was found by Cheapflights users on 5/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Mon 8/38:00 am
HGH
- SEA
1 stop17h 20m
Cathay Pacific
Deal found 5/18![Cathay Pacific logo]()
$982
This KAYAK deal was found by Cheapflights users on 5/19. 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.
Wed 7/2212:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Wed 8/128:00 am
HGH
- SEA
1 stop17h 20m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$1,028
This Cathay Pacific deal was found by Cheapflights users on 5/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:20 pm
SEA
- HGH
2 stops38h 10m
Cathay Pacific
Thu 11/198:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 5/17![Cathay Pacific logo]()
$1,056
This Cathay Pacific deal was found by Cheapflights users on 5/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:55 pm
SEA
- HGH
2 stops35h 35m
Cathay Pacific
Tue 11/38:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$1,087
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 May 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 May 19, 2026.
This Asiana Airlines deal was found by Cheapflights users on 5/19. 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
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Tue 11/33:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 5/19![Asiana Airlines logo]()
$956
This Cathay Pacific deal was found by Cheapflights users on 5/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Mon 8/38:00 am
HGH
- SEA
1 stop17h 20m
Cathay Pacific
Deal found 5/18![Cathay Pacific logo]()
$982
This Cathay Pacific deal was found by Cheapflights users on 5/16. 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.
Sun 11/154:20 pm
SEA
- HGH
2 stops38h 10m
Cathay Pacific
Thu 11/198:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 5/16![Cathay Pacific logo]()
$1,056
This Cathay Pacific deal was found by Cheapflights users on 5/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:55 pm
SEA
- HGH
2 stops35h 35m
Cathay Pacific
Tue 11/38:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$1,087
This oojo deal was found by Cheapflights users on 5/18. 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.
Wed 7/2212:25 pm
SEA
- HGH
1 stop30h 45m
Cathay Pacific
Wed 8/127:45 pm
HGH
- SEA
2 stops26h 22m
Cathay Pacific
Deal found 5/18![Cathay Pacific logo]()
$1,161
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated May 19, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated May 19, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 5/15. 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.
Wed 5/2011:45 am
SEA
- HGH
1 stop19h 50m
Cathay Pacific
Wed 6/38:00 am
HGH
- SEA
1 stop17h 20m
Cathay Pacific
Deal found 5/15![Cathay Pacific logo]()
$1,308
This oojo deal was found by Cheapflights users on 5/15. 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.
Sun 5/2412:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Mon 6/83:10 pm
HGH
- SEA
1 stop15h 05m
Asiana Airlines
Deal found 5/15![Asiana Airlines logo]()
$1,212
This oojo deal was found by Cheapflights users on 5/15. 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.
Sun 5/2412:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Sun 6/73:10 pm
HGH
- SEA
1 stop15h 05m
Asiana Airlines
Deal found 5/15![Asiana Airlines logo]()
$1,240
This FlightHub deal was found by Cheapflights users on 5/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:55 pm
SEA
- HGH
2 stops24h 15m
Multiple Airlines
Sun 6/71:50 pm
HGH
- SEA
2 stops34h 07m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,164
This Mytrip deal was found by Cheapflights users on 5/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:20 pm
SEA
- HGH
2 stops31h 40m
Multiple Airlines
Mon 6/87:45 pm
HGH
- SEA
2 stops33h 35m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,208
This KAYAK deal was found by Cheapflights users on 5/19. 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.
Mon 5/2511:45 am
SEA
- HGH
1 stop31h 25m
Cathay Pacific
Tue 6/93:55 pm
HGH
- SEA
1 stop33h 25m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$1,272
This Trip.com deal was found by Cheapflights users on 5/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Tue 6/93:10 pm
HGH
- SEA
1 stop15h 05m
Asiana Airlines
Deal found 5/15![Asiana Airlines logo]()
$1,302
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Tue 5/2611:45 am
SEA
- HGH
1 stop19h 50m
Cathay Pacific
Mon 6/88:00 am
HGH
- SEA
1 stop17h 20m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$1,284
This Korean Air deal was found by Cheapflights users on 5/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:20 pm
SEA
- HGH
2 stops30h 05m
Korean Air
Mon 6/82:30 pm
HGH
- SEA
1 stop35h 30m
Korean Air
Deal found 5/19![Korean Air logo]()
$1,311
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 May 19, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
This KAYAK deal was found by Cheapflights users on 5/19. 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 8/2012:25 pm
SEA
- HGH
1 stop35h 15m
Cathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$407
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Thu 8/208:40 am
SEA
- HGH
2 stops22h 55m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$514
This Trip.com deal was found by Cheapflights users on 5/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:45 am
SEA
- HGH
3 stops50h 50m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/51:27 pm
SEA
- HGH
3 stops30h 28m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$2,329
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Thu 8/2010:15 am
SEA
- HGH
1 stop45h 35m
Singapore Airlines
Deal found 5/19![Singapore Airlines logo]()
$3,097
This FlightHub deal was found by Cheapflights users on 5/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Deal found 5/17![Asiana Airlines logo]()
$3,426
This KAYAK deal was found by Cheapflights users on 5/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Deal found 5/17![Asiana Airlines logo]()
$3,535
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 May 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $956 (Asiana Airlines) |
One-way from | $407 (KAYAK) |
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 May 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 - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 10/29
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Tue 11/3
3:05 pm-1:55 pm
1 stop14h 50m
$956
Quickest round-trip
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sat 7/11
12:25 pm-10:35 pm
1 stop19h 10m
Hangzhou
Mon 8/3
8:00 am-10:20 am
1 stop17h 20m
$982
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sun 11/15
4:20 pm-10:30 pm
2 stops38h 10m
Hangzhou
Thu 11/19
8:00 am-9:10 am
1 stop17h 10m
$1,056
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 10/30
7:55 pm-10:30 pm
2 stops35h 35m
Hangzhou
Tue 11/3
8:00 am-9:10 am
1 stop17h 10m
$1,087
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Wed 7/22
12:25 pm-10:10 am
1 stop30h 45m
Hangzhou
Wed 8/12
7:45 pm-7:07 am
2 stops26h 22m
$1,161
Cheapest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 8/20
12:25 pm-2:40 pm
1 stop35h 15m
$407
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 8/20
8:40 am-10:35 pm
2 stops22h 55m
$514
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sun 6/14
5:45 am-11:35 pm
2 stops50h 50m
$674
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 8/20
10:15 am-10:50 pm
1 stop45h 35m
$3,097
Quickest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sun 7/5
12:10 am-1:45 pm
1 stop22h 35m
$3,426
Showing 1-10 of 14 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 May 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
Comfort
7.6
Food
7.3
Overall
7.6
Entertainment
7.8
Crew
8.1
Reviews
1 / 20
4.0
OkayTejbir,Apr 2026
YVR - HKG
Boarding
7.9
Comfort
7.6
Food
7.3
Overall
7.6
Entertainment
7.8
Crew
8.1
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 May 19, 2026.
Seattle and Hangzhou flights
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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 2,558,603 searches. Data last updated May 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$887 | FlexibilityNo cancel fee | On-time72% |