$408+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Hangzhou with Cheapflights
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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 July 1, 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 July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 8/2911:00 am
SEA
- HGH
1 stop18h 10m
Hainan Airlines
Fri 9/259:25 pm
HGH
- SEA
1 stop26h 35m
Hainan Airlines
Deal found 7/1![Hainan Airlines logo]()
$855
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/112:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Tue 9/298:00 am
HGH
- SEA
1 stop17h 05m
Cathay Pacific
Deal found 7/1![Cathay Pacific logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/111:00 am
SEA
- HGH
1 stop18h 10m
Hainan Airlines
Sat 9/268:25 am
HGH
- SEA
1 stop15h 35m
Hainan Airlines
Deal found 7/1![Hainan Airlines logo]()
$890
This Korean Air deal was found by Cheapflights users on 6/30. 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 9/212:50 pm
SEA
- HGH
1 stop33h 35m
Korean Air
Mon 9/282:30 pm
HGH
- SEA
1 stop35h 10m
Korean Air
Deal found 6/30![Korean Air logo]()
$905
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 9/312:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Thu 9/248:00 am
HGH
- SEA
1 stop17h 05m
Cathay Pacific
Deal found 6/30![Cathay Pacific logo]()
$909
This Korean Air deal was found by Cheapflights users on 6/30. 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 8/312:50 pm
SEA
- HGH
2 stops31h 35m
Korean Air
Wed 9/232:30 pm
HGH
- SEA
1 stop35h 10m
Korean Air
Deal found 6/30![Korean Air logo]()
$911
This Justfly.com deal was found by Cheapflights users on 7/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:25 pm
SEA
- HGH
1 stop35h 15m
Cathay Pacific
Sun 9/2711:25 am
HGH
- SEA
1 stop37h 40m
Cathay Pacific
Deal found 7/1![Cathay Pacific logo]()
$920
This Korean Air deal was found by Cheapflights users on 6/30. 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 8/305:50 pm
SEA
- HGH
2 stops52h 35m
Korean Air
Mon 9/282:30 pm
HGH
- SEA
1 stop35h 10m
Korean Air
Deal found 6/30![Korean Air logo]()
$924
This Korean Air deal was found by Cheapflights users on 6/30. 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 9/15:50 pm
SEA
- HGH
2 stops52h 35m
Korean Air
Mon 9/282:30 pm
HGH
- SEA
2 stops41h 17m
Korean Air
Deal found 6/30![Korean Air logo]()
$929
This Asiana Airlines deal was found by Cheapflights users on 6/30. 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 9/112:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Tue 9/293:10 pm
HGH
- SEA
1 stop15h 05m
Asiana Airlines
Deal found 6/30![Asiana Airlines logo]()
$935
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 July 1, 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 July 1, 2026.
This Asiana Airlines deal was found by Cheapflights users on 6/30. 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 11/1712:10 am
SEA
- HGH
1 stop21h 35m
Asiana Airlines
Sun 11/223:05 pm
HGH
- SEA
1 stop14h 50m
Asiana Airlines
Deal found 6/30![Asiana Airlines logo]()
$905
This Korean Air deal was found by Cheapflights users on 6/30. 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 8/305:50 pm
SEA
- HGH
2 stops52h 35m
Korean Air
Wed 9/232:30 pm
HGH
- SEA
2 stops21h 12m
Korean Air
Deal found 6/30![Korean Air logo]()
$929
This Cathay Pacific deal was found by Cheapflights users on 6/26. 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.
Wed 11/1811:44 am
SEA
- HGH
2 stops38h 31m
Cathay Pacific
Sun 11/227:30 pm
HGH
- SEA
1 stop29h 40m
Cathay Pacific
Deal found 6/26![Cathay Pacific logo]()
$1,037
This Korean Air deal was found by Cheapflights users on 7/1. 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 8/3012:36 pm
SEA
- HGH
2 stops57h 49m
Korean Air
Mon 9/282:30 pm
HGH
- SEA
2 stops45h 12m
Korean Air
Deal found 7/1![Korean Air logo]()
$929
This Korean Air deal was found by Cheapflights users on 6/30. 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 8/312:50 pm
SEA
- HGH
2 stops31h 35m
Korean Air
Fri 9/252:30 pm
HGH
- SEA
1 stop35h 10m
Korean Air
Deal found 6/30![Korean Air logo]()
$961
This Korean Air deal was found by Cheapflights users on 7/1. 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 9/45:50 pm
SEA
- HGH
2 stops52h 35m
Korean Air
Wed 9/232:30 pm
HGH
- SEA
1 stop35h 10m
Korean Air
Deal found 7/1![Korean Air logo]()
$974
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated July 1, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/26. 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 7/612:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Tue 7/213:10 pm
HGH
- SEA
1 stop15h 35m
Asiana Airlines
Deal found 6/26![Asiana Airlines logo]()
$1,200
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/612:10 am
SEA
- HGH
1 stop21h 55m
Multiple Airlines
Tue 7/212:05 pm
HGH
- SEA
2 stops39h 00m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,398
This Mytrip deal was found by Cheapflights users on 6/30. 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 7/61:55 am
SEA
- HGH
3 stops30h 50m
Multiple Airlines
Tue 8/48:35 am
HGH
- SEA
3 stops26h 10m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,678
This oojo deal was found by Cheapflights users on 6/30. 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 7/712:25 pm
SEA
- HGH
1 stop30h 45m
Cathay Pacific
Tue 8/43:55 pm
HGH
- SEA
1 stop33h 25m
Cathay Pacific
Deal found 6/30![Cathay Pacific logo]()
$1,333
This oojo deal was found by Cheapflights users on 6/26. 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 7/77:26 am
SEA
- HGH
2 stops24h 09m
Cathay Pacific
Tue 7/213:55 pm
HGH
- SEA
2 stops30h 12m
Cathay Pacific
Deal found 6/26![Cathay Pacific logo]()
$1,422
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 July 1, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This oojo deal was found by Cheapflights users on 6/29. 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 8/1912:25 pm
SEA
- HGH
1 stop30h 45m
Cathay Pacific
Deal found 6/29![Cathay Pacific logo]()
$408
This oojo deal was found by Cheapflights users on 6/26. 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 7/82:05 pm
SEA
- HGH
1 stop32h 40m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/1910:30 am
SEA
- HGH
3 stops32h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$559
This oojo deal was found by Cheapflights users on 6/26. 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 7/912:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Deal found 6/26![Cathay Pacific logo]()
$597
This Ovago deal was found by Cheapflights users on 6/26. 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 7/107:26 am
SEA
- HGH
2 stops26h 14m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/94:30 pm
SEA
- HGH
3 stops50h 15m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$669
This Trip.com deal was found by Cheapflights users on 6/26. 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 7/61:55 am
SEA
- HGH
2 stops30h 40m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$805
This Ovago deal was found by Cheapflights users on 6/26. 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.
Tue 7/711:00 am
SEA
- HGH
1 stop31h 15m
Hainan Airlines
Deal found 6/26![Hainan Airlines logo]()
$841
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $855 (Kiwi.com) |
One-way from | $408 (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 2,558,603 searches. Data last updated July 1, 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
Quickest round-trip
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Tue 11/17
12:10 am-1:45 pm
1 stop21h 35m
Hangzhou
Sun 11/22
3:05 pm-1:55 pm
1 stop14h 50m
$905
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sun 8/30
5:50 pm-1:25 pm
2 stops52h 35m
Hangzhou
Wed 9/23
2:30 pm-8:42 pm
2 stops21h 12m
$929
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sun 8/30
12:36 pm-1:25 pm
2 stops57h 49m
Hangzhou
Mon 9/28
2:30 pm-8:42 pm
2 stops45h 12m
$929
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Mon 8/31
2:50 pm-1:25 pm
2 stops31h 35m
Hangzhou
Fri 9/25
2:30 pm-10:40 am
1 stop35h 10m
$961
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 9/4
5:50 pm-1:25 pm
2 stops52h 35m
Hangzhou
Wed 9/23
2:30 pm-10:40 am
1 stop35h 10m
$974
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Wed 11/18
11:44 am-6:15 pm
2 stops38h 31m
Hangzhou
Sun 11/22
7:30 pm-9:10 am
1 stop29h 40m
$1,037
Cheapest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Wed 8/19
12:25 pm-10:10 am
1 stop30h 45m
$408
Quickest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 7/9
12:25 pm-10:35 pm
1 stop19h 10m
$597
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 7/10
7:26 am-12:40 am
2 stops26h 14m
$649
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Wed 7/8
2:05 pm-9:05 am
3 stops28h 00m
$844
Showing 1-10 of 12 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 July 1, 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
Food
7.3
Entertainment
7.8
Boarding
7.9
Overall
7.6
Comfort
7.6
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Crew
8.1
Food
7.3
Entertainment
7.8
Boarding
7.9
Overall
7.6
Comfort
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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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 July 1, 2026.
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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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$887 | FlexibilityNo cancel fee | On-time72% |