$401+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Hangzhou with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
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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 November 3, 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 November 3, 2026.
This Justfly.com deal was found by Cheapflights users on 11/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:25 am -
1 stop31h 45m
Tue 12/88:00 am -
1 stop16h 45m
Deal found 11/2![Cathay Pacific logo]()
$784
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:25 am -
1 stop31h 45m
Wed 1/1311:25 am -
1 stop37h 20m
Deal found 10/29![Cathay Pacific logo]()
$807
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:25 am -
1 stop31h 45m
Tue 1/127:30 pm -
1 stop29h 15m
Deal found 10/29![Cathay Pacific logo]()
$822
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:25 am -
1 stop31h 45m
Tue 1/1211:25 am -
1 stop37h 20m
Deal found 10/29![Cathay Pacific logo]()
$845
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:25 am -
1 stop36h 05m
Tue 1/127:30 pm -
2 stops29h 23m
Deal found 10/30![Multiple Airlines logo]()
$862
This FlightHub deal was found by Cheapflights users on 10/31. 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.
Sat 11/1410:25 am -
1 stop36h 05m
Mon 11/307:30 pm -
1 stop29h 15m
Deal found 10/31![Cathay Pacific logo]()
$872
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:29 am -
2 stops43h 01m
Thu 12/38:00 am -
1 stop16h 45m
Deal found 11/2![Cathay Pacific logo]()
$889
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:25 am -
1 stop31h 45m
Mon 1/118:00 am -
2 stops40h 53m
Deal found 10/29![Cathay Pacific logo]()
$895
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:05 am -
2 stops33h 20m
Mon 1/1111:30 am -
1 stop36h 50m
Deal found 11/1![Hainan Airlines logo]()
$903
This oojo deal was found by Cheapflights users on 11/2. 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 11/242:15 pm -
2 stops27h 55m
Tue 12/83:45 pm -
2 stops23h 14m
Deal found 11/2![Multiple Airlines logo]()
$905
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 November 3, 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 November 3, 2026.
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:29 am -
2 stops43h 01m
Thu 12/38:00 am -
1 stop16h 45m
Deal found 11/2![Cathay Pacific logo]()
$889
This oojo deal was found by Cheapflights users on 11/2. 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 11/242:15 pm -
2 stops27h 55m
Tue 12/83:45 pm -
2 stops23h 14m
Deal found 11/2![Multiple Airlines logo]()
$905
This oojo deal was found by Cheapflights users on 10/29. 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.
Sat 1/3010:20 am -
1 stop35h 10m
Sat 2/208:30 am -
1 stop15h 50m
Deal found 10/29![Hainan Airlines logo]()
$917
This oojo deal was found by Cheapflights users on 10/29. 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.
Sun 12/1310:02 am -
2 stops32h 08m
Sun 12/203:45 pm -
1 stop33h 00m
Deal found 10/29![Multiple Airlines logo]()
$1,074
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated November 3, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/31. 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.
Sat 11/1410:25 am -
1 stop36h 05m
Mon 11/307:30 pm -
1 stop29h 15m
Deal found 10/31![Cathay Pacific logo]()
$872
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:25 am -
1 stop31h 45m
Wed 1/1311:25 am -
1 stop37h 20m
Deal found 10/29![Cathay Pacific logo]()
$807
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:25 am -
1 stop31h 45m
Tue 1/1211:25 am -
1 stop37h 20m
Deal found 10/29![Cathay Pacific logo]()
$845
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:25 am -
1 stop31h 45m
Tue 1/127:30 pm -
1 stop29h 15m
Deal found 10/29![Cathay Pacific logo]()
$822
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:25 am -
1 stop36h 05m
Tue 1/127:30 pm -
2 stops29h 23m
Deal found 10/30![Multiple Airlines logo]()
$862
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:25 am -
1 stop31h 45m
Mon 1/118:00 am -
2 stops40h 53m
Deal found 10/29![Cathay Pacific logo]()
$895
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:05 am -
2 stops33h 20m
Mon 1/1111:30 am -
1 stop36h 50m
Deal found 11/1![Hainan Airlines logo]()
$903
This Justfly.com deal was found by Cheapflights users on 11/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:25 am -
1 stop31h 45m
Tue 12/88:00 am -
1 stop16h 45m
Deal found 11/2![Cathay Pacific logo]()
$784
This oojo deal was found by Cheapflights users on 11/2. 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 11/242:15 pm -
2 stops27h 55m
Tue 12/83:45 pm -
2 stops23h 14m
Deal found 11/2![Multiple Airlines logo]()
$905
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:29 am -
2 stops43h 01m
Thu 12/38:00 am -
1 stop16h 45m
Deal found 11/2![Cathay Pacific logo]()
$889
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 November 3, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Booking.com deal was found by Cheapflights users on 11/2. 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 3/3011:45 am -
1 stop39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Cathay Pacific logo]()
$401
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:25 am -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Cathay Pacific logo]()
$402
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:25 am -
1 stop36h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Cathay Pacific logo]()
$404
This Cathay Pacific deal was found by Cheapflights users on 10/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:25 am -
1 stop39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Cathay Pacific logo]()
$415
This oojo deal was found by Cheapflights users on 10/30. 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.
Thu 11/1910:05 am -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Hainan Airlines logo]()
$458
This Orbitz deal was found by Cheapflights users on 10/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:03 am -
2 stops32h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$460
This oojo deal was found by Cheapflights users on 11/2. 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 3/307:55 pm -
2 stops23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$467
This Cathay Pacific deal was found by Cheapflights users on 10/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:25 am -
1 stop39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Cathay Pacific logo]()
$520
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:29 am -
2 stops30h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Cathay Pacific logo]()
$546
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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $783 (Booking.com) |
One-way from | $401 (Booking.com) |
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 November 3, 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 11/17
10:25 am-6:15 pm
1 stop39h 50m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$415
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 11/15
10:03 am-10:10 am
2 stops32h 07m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$460
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 3/30
7:55 pm-10:10 am
2 stops23h 15m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$467
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sat 11/21
10:25 am-6:15 pm
1 stop39h 50m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$520
Quickest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 3/29
12:55 am-1:25 pm
1 stop21h 30m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$568
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 11/17
11:55 am-8:45 am
3 stops28h 50m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$681
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 11/29
11:29 am-10:30 pm
2 stops43h 01m
Hangzhou
Thu 12/3
8:00 am-8:45 am
1 stop16h 45m
$889
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 11/24
2:15 pm-10:10 am
2 stops27h 55m
Hangzhou
Tue 12/8
3:45 pm-10:59 pm
2 stops23h 14m
$905
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sat 1/30
10:20 am-1:30 pm
1 stop35h 10m
Hangzhou
Sat 2/20
8:30 am-8:20 am
1 stop15h 50m
$917
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 12/13
10:02 am-10:10 am
2 stops32h 08m
Hangzhou
Sun 12/20
3:45 pm-8:45 am
1 stop33h 00m
$1,074
Showing 1-10 of 11 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 November 3, 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.
Food
7.3
Boarding
7.9
Entertainment
7.8
Crew
8.1
Overall
7.6
Comfort
7.6
Reviews
1 / 20
4.0
OkayPaden,Oct 2026
SEA - HKG
Food
7.3
Boarding
7.9
Entertainment
7.8
Crew
8.1
Overall
7.6
Comfort
7.6
Reviews
1 / 20
4.0
OkayPaden,Oct 2026
SEA - 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 November 3, 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 November 3, 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 7,457,451 searches. Data last updated November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$831 | Average$923 | FlexibilityNo cancel fee | On-time72% |