$760+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Sep 10 — Sep 171
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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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 11, 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 11, 2026.
This oojo deal was found by Cheapflights users on 8/10. 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 8/10![Cathay Pacific logo]()
$760
This Gotogate deal was found by Cheapflights users on 8/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:25 pm -
1 stop39h 05m
Wed 9/23:55 pm -
1 stop33h 25m
Deal found 8/9![Cathay Pacific logo]()
$774
This Cathay Pacific deal was found by Cheapflights users on 8/6. 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 10/111:45 am -
1 stop39h 45m
Mon 10/57:45 pm -
1 stop29h 20m
Deal found 8/6![Cathay Pacific logo]()
$791
This oojo deal was found by Cheapflights users on 8/11. 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 8/11![Multiple Airlines logo]()
$841
This Flightnetwork deal was found by Cheapflights users on 8/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:25 pm -
1 stop39h 05m
Wed 9/23:55 pm -
2 stops30h 11m
Deal found 8/9![Multiple Airlines logo]()
$869
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am -
1 stop36h 15m
Fri 9/119:25 pm -
1 stop26h 35m
Deal found 8/6![Hainan Airlines logo]()
$876
This Gotogate deal was found by Cheapflights users on 8/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am -
1 stop32h 15m
Sat 9/127:30 am -
1 stop16h 30m
Deal found 8/8![Hainan Airlines logo]()
$877
This oojo deal was found by Cheapflights users on 8/10. 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 12/2610:50 am -
1 stop31h 20m
Wed 1/68:00 am -
1 stop17h 10m
Deal found 8/10![Cathay Pacific logo]()
$885
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 11, 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 11, 2026.
This oojo deal was found by Cheapflights users on 8/7. 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 8/7![Cathay Pacific logo]()
$760
This oojo deal was found by Cheapflights users on 8/8. 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 11/33:53 pm -
2 stops30h 37m
Tue 11/1711:25 am -
1 stop37h 45m
Deal found 8/8![Multiple Airlines logo]()
$861
This Cathay Pacific deal was found by Cheapflights users on 8/8. 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 10/111:45 am -
1 stop39h 45m
Mon 10/57:45 pm -
1 stop29h 20m
Deal found 8/8![Cathay Pacific logo]()
$791
This oojo deal was found by Cheapflights users on 8/7. 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 11/95:55 pm -
2 stops24h 15m
Mon 11/167:30 pm -
2 stops26h 42m
Deal found 8/7![Multiple Airlines logo]()
$928
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated August 11, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:25 pm -
1 stop39h 05m
Wed 9/23:55 pm -
1 stop33h 25m
Deal found 8/9![Cathay Pacific logo]()
$774
This Flightnetwork deal was found by Cheapflights users on 8/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:25 pm -
1 stop39h 05m
Wed 9/23:55 pm -
2 stops30h 11m
Deal found 8/9![Multiple Airlines logo]()
$869
This Kissandfly.com deal was found by Cheapflights users on 8/9. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:23 pm -
2 stops30h 02m
Wed 9/22:30 pm -
2 stops22h 15m
Deal found 8/9![Korean Air logo]()
$912
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am -
1 stop36h 15m
Fri 9/119:25 pm -
1 stop26h 35m
Deal found 8/6![Hainan Airlines logo]()
$876
This Gotogate deal was found by Cheapflights users on 8/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am -
1 stop32h 15m
Sat 9/127:30 am -
1 stop16h 30m
Deal found 8/8![Hainan Airlines logo]()
$877
This oojo deal was found by Cheapflights users on 8/6. 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 9/512:25 pm -
1 stop19h 10m
Fri 9/118:00 am -
2 stops22h 58m
Deal found 8/6![Multiple Airlines logo]()
$966
This oojo deal was found by Cheapflights users on 8/10. 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 8/10![Cathay Pacific logo]()
$760
This oojo deal was found by Cheapflights users on 8/11. 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 8/11![Multiple Airlines logo]()
$841
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 11, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/263:55 pm -
2 stops36h 05m
Deal found 8/6![Multiple Airlines logo]()
$2,029
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/297:56 pm -
2 stops26h 09m
Deal found 8/6![Multiple Airlines logo]()
$2,209
This KAYAK deal was found by Cheapflights users on 8/6. 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 10/17:10 pm -
2 stops25h 00m
Deal found 8/6![Multiple Airlines logo]()
$2,577
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/3011:10 pm -
2 stops44h 10m
Deal found 8/6![Multiple Airlines logo]()
$2,625
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/2711:10 pm -
2 stops30h 10m
Deal found 8/6![Multiple Airlines logo]()
$2,652
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (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 August 11, 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 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
$760
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/1
11:45 am-6:30 pm
1 stop39h 45m
Hangzhou
Mon 10/5
7:45 pm-10:05 am
1 stop29h 20m
$791
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 11/3
3:53 pm-2:30 pm
2 stops30h 37m
Hangzhou
Tue 11/17
11:25 am-9:10 am
1 stop37h 45m
$861
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 11/9
5:55 pm-10:10 am
2 stops24h 15m
Hangzhou
Mon 11/16
7:30 pm-6:12 am
2 stops26h 42m
$928
Cheapest one-way
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sat 9/26
3:55 pm-7:00 pm
2 stops36h 05m
$2,029
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/1
7:10 pm-11:10 am
2 stops25h 00m
$2,577
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 9/27
11:10 pm-8:20 pm
2 stops30h 10m
$2,652
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 9/28
9:45 pm-11:10 am
2 stops22h 25m
$2,880
Quickest one-way
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/1
11:55 am-11:30 pm
1 stop20h 35m
$3,236
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 9/28
12:10 am-1:45 pm
1 stop22h 35m
$3,448
Showing 1-10 of 13 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 11, 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.
Entertainment
7.7
Food
7.3
Crew
8.1
Comfort
7.5
Boarding
7.9
Overall
7.5
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Entertainment
7.7
Food
7.3
Crew
8.1
Comfort
7.5
Boarding
7.9
Overall
7.5
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 11, 2026.
Seattle and Hangzhou flights
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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 August 11, 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$983 | FlexibilityNo cancel fee | On-time72% |