$772+ 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
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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 September 7, 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 September 7, 2026.
This oojo deal was found by Cheapflights users on 9/3. 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 11/253:45 pm -
1 stop33h 00m
Deal found 9/3![Cathay Pacific logo]()
$772
This oojo deal was found by Cheapflights users on 9/2. 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 9/1012:25 pm -
1 stop19h 10m
Thu 11/198:00 am -
2 stops22h 44m
Deal found 9/2![Multiple Airlines logo]()
$842
This oojo deal was found by Cheapflights users on 9/3. 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 9/97:24 pm -
2 stops28h 16m
Wed 11/1111:25 am -
1 stop37h 20m
Deal found 9/3![Multiple Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 9/7. 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 9/98:44 pm -
2 stops22h 26m
Wed 11/253:45 pm -
1 stop33h 00m
Deal found 9/7![Multiple Airlines logo]()
$845
This oojo deal was found by Cheapflights users on 9/5. 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 10/1011:45 am -
1 stop31h 25m
Fri 10/237:45 pm -
1 stop29h 20m
Deal found 9/5![Cathay Pacific logo]()
$871
This oojo deal was found by Cheapflights users on 9/3. 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 10/201:55 pm -
2 stops29h 15m
Tue 1/198:00 am -
2 stops22h 41m
Deal found 9/3![Multiple Airlines logo]()
$873
This oojo deal was found by Cheapflights users on 9/6. 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.
Wed 10/2111:20 am -
2 stops20h 15m
Wed 10/287:30 pm -
2 stops26h 38m
Deal found 9/6![Multiple Airlines logo]()
$877
This oojo deal was found by Cheapflights users on 9/3. 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 9/151:41 pm -
2 stops29h 29m
Tue 11/1711:25 am -
2 stops38h 31m
Deal found 9/3![Multiple Airlines logo]()
$878
This oojo deal was found by Cheapflights users on 9/7. 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.
Tue 9/2912:05 pm -
2 stops31h 05m
Tue 10/133:55 pm -
2 stops32h 01m
Deal found 9/7![Multiple Airlines logo]()
$880
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:59 pm -
2 stops32h 36m
Tue 9/157:45 pm -
2 stops27h 23m
Deal found 9/6![Multiple Airlines logo]()
$887
This Cathay Pacific deal was found by Cheapflights users on 9/6. 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.
Sun 10/187:55 pm -
2 stops27h 45m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/6![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 September 7, 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 September 7, 2026.
This oojo deal was found by Cheapflights users on 9/2. 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 10/1311:45 am -
1 stop31h 25m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/2![Cathay Pacific logo]()
$772
This oojo deal was found by Cheapflights users on 9/2. 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 10/133:44 pm -
2 stops27h 26m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/2![Multiple Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 9/6. 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.
Tue 9/293:45 pm -
2 stops27h 25m
Tue 10/137:45 pm -
1 stop29h 20m
Deal found 9/6![Multiple Airlines logo]()
$845
This Cathay Pacific deal was found by Cheapflights users on 9/4. 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 10/187:55 pm -
2 stops27h 45m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/4![Cathay Pacific logo]()
$888
This oojo deal was found by Cheapflights users on 9/3. 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 9/248:41 am -
2 stops22h 54m
Thu 10/111:25 am -
2 stops20h 02m
Deal found 9/3![Multiple Airlines logo]()
$917
This oojo deal was found by Cheapflights users on 9/5. 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 10/105:59 pm -
2 stops29h 41m
Fri 10/237:45 pm -
2 stops30h 17m
Deal found 9/5![Multiple Airlines logo]()
$980
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated September 7, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Sun 9/1310:59 pm -
2 stops32h 36m
Sun 11/1511:25 am -
1 stop37h 20m
Deal found 9/3![Multiple Airlines logo]()
$845
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:59 pm -
2 stops32h 36m
Sun 9/207:45 pm -
2 stops27h 23m
Deal found 9/6![Multiple Airlines logo]()
$887
This oojo deal was found by Cheapflights users on 9/6. 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.
Mon 9/1412:25 pm -
1 stop19h 10m
Tue 9/228:00 am -
1 stop17h 05m
Deal found 9/6![Cathay Pacific logo]()
$772
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:13 pm -
2 stops40h 42m
Tue 9/2211:25 am -
2 stops20h 02m
Deal found 9/6![Multiple Airlines logo]()
$926
This oojo deal was found by Cheapflights users on 9/3. 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 9/1512:25 pm -
1 stop35h 15m
Tue 11/173:45 pm -
2 stops31h 22m
Deal found 9/3![Multiple Airlines logo]()
$843
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 September 7, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This BusinessClass deal was found by Cheapflights users on 9/2. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:59 pm -
2 stops26h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$3,161
This BusinessClass deal was found by Cheapflights users on 9/2. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:45 am -
1 stop35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Cathay Pacific logo]()
$3,259
This Booking.com deal was found by Cheapflights users on 9/2. 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 9/296:50 pm -
3 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Lufthansa logo]()
$14,222
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $772 (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 September 7, 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
Tue 10/13
11:45 am-10:10 am
1 stop31h 25m
Hangzhou
Thu 10/22
8:00 am-10:05 am
1 stop17h 05m
$772
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 10/13
3:44 pm-10:10 am
2 stops27h 26m
Hangzhou
Thu 10/22
8:00 am-10:05 am
1 stop17h 05m
$843
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 9/29
3:45 pm-10:10 am
2 stops27h 25m
Hangzhou
Tue 10/13
7:45 pm-10:05 am
1 stop29h 20m
$845
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 10/18
7:55 pm-2:40 pm
2 stops27h 45m
Hangzhou
Thu 10/22
8:00 am-10:05 am
1 stop17h 05m
$888
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 9/24
8:41 am-10:35 pm
2 stops22h 54m
Hangzhou
Thu 10/1
11:25 am-4:27 pm
2 stops20h 02m
$917
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sat 10/10
5:59 pm-2:40 pm
2 stops29h 41m
Hangzhou
Fri 10/23
7:45 pm-11:02 am
2 stops30h 17m
$980
Quickest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 9/29
4:59 pm-10:55 am
2 stops26h 56m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$3,161
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 9/29
11:45 am-2:40 pm
1 stop35h 55m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$3,259
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 9/29
6:50 pm-4:45 pm
3 stops30h 55m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$14,222
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 September 7, 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
Entertainment
7.7
Comfort
7.5
Food
7.3
Boarding
7.9
Overall
7.6
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Crew
8.1
Entertainment
7.7
Comfort
7.5
Food
7.3
Boarding
7.9
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 September 7, 2026.
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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 September 7, 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$983 | FlexibilityNo cancel fee | On-time72% |