$398+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Oct 26 — Nov 21
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
Cheapest
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 September 26, 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 26, 2026.
This oojo deal was found by Cheapflights users on 9/21. 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 11/910:25 am -
1 stop31h 45m
Mon 11/1611:25 am -
1 stop37h 20m
Deal found 9/21![Cathay Pacific logo]()
$772
This FlightHub deal was found by Cheapflights users on 9/25. 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 11/2610:25 am -
1 stop20h 05m
Wed 12/911:25 am -
1 stop37h 20m
Deal found 9/25![Cathay Pacific logo]()
$784
This KAYAK deal was found by Cheapflights users on 9/25. 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 11/2410:25 am -
1 stop39h 50m
Tue 12/811:25 am -
1 stop37h 20m
Deal found 9/25![Cathay Pacific logo]()
$807
This FlightHub deal was found by Cheapflights users on 9/25. 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 11/2810:25 am -
1 stop20h 05m
Wed 12/93:45 pm -
1 stop33h 00m
Deal found 9/25![Cathay Pacific logo]()
$834
This oojo deal was found by Cheapflights users on 9/25. 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 11/93:51 pm -
2 stops30h 39m
Mon 11/1611:25 am -
1 stop37h 20m
Deal found 9/25![Multiple Airlines logo]()
$835
This KAYAK deal was found by Cheapflights users on 9/25. 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.
Sat 11/2810:25 am -
1 stop31h 45m
Sun 12/133:45 pm -
1 stop33h 00m
Deal found 9/25![Cathay Pacific logo]()
$857
This FlightHub deal was found by Cheapflights users on 9/25. 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 11/2610:25 am -
1 stop31h 45m
Thu 12/108:00 am -
2 stops22h 39m
Deal found 9/25![Cathay Pacific logo]()
$860
This KAYAK deal was found by Cheapflights users on 9/25. 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.
Fri 11/2712:40 pm -
1 stop33h 05m
Thu 12/103:05 pm -
1 stop13h 50m
Deal found 9/25![Multiple Airlines logo]()
$883
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 26, 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 26, 2026.
This oojo deal was found by Cheapflights users on 9/21. 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 11/96:33 pm -
2 stops27h 57m
Mon 11/1611:25 am -
1 stop37h 20m
Deal found 9/21![Multiple Airlines logo]()
$838
This Cathay Pacific deal was found by Cheapflights users on 9/21. 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 9/21![Cathay Pacific logo]()
$888
This Korean Air deal was found by Cheapflights users on 9/25. 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 11/298:15 pm -
2 stops48h 05m
Mon 12/72:30 pm -
2 stops45h 49m
Deal found 9/25![Korean Air logo]()
$924
This Korean Air deal was found by Cheapflights users on 9/25. 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 11/279:20 pm -
2 stops48h 00m
Wed 12/91:30 pm -
2 stops41h 41m
Deal found 9/25![Korean Air logo]()
$974
This Korean Air deal was found by Cheapflights users on 9/25. 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 11/249:20 pm -
2 stops48h 00m
Fri 12/112:30 pm -
2 stops42h 14m
Deal found 9/25![Korean Air logo]()
$974
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated September 26, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/25. 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.
Fri 10/163:30 pm -
2 stops40h 05m
Wed 10/218:00 am -
1 stop17h 05m
Deal found 9/25![Multiple Airlines logo]()
$885
This oojo deal was found by Cheapflights users on 9/24. 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.
Fri 10/167:55 pm -
2 stops23h 15m
Thu 10/2211:25 am -
2 stops24h 31m
Deal found 9/24![Multiple Airlines logo]()
$937
This Gurufare deal was found by Cheapflights users on 9/22. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:55 am -
1 stop45h 55m
Wed 10/2111:00 pm -
1 stop24h 25m
Deal found 9/22![Singapore Airlines logo]()
$1,267
This Cathay Pacific deal was found by Cheapflights users on 9/22. 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 9/22![Cathay Pacific logo]()
$888
This Singapore Airlines deal was found by Cheapflights users on 9/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:55 am -
1 stop45h 55m
Wed 10/2112:10 am -
1 stop23h 15m
Deal found 9/25![Singapore Airlines logo]()
$1,536
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 26, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This oojo deal was found by Cheapflights users on 9/21. 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 10/111:45 am -
1 stop35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Cathay Pacific logo]()
$398
This oojo deal was found by Cheapflights users on 9/21. 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 10/17:18 am -
2 stops24h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 12/810:25 am -
1 stop20h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Cathay Pacific logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 12/87:20 am -
2 stops23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$586
This oojo deal was found by Cheapflights users on 9/23. 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 10/610:59 pm -
2 stops44h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 12/910:25 am -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Cathay Pacific logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 12/93:40 pm -
2 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 12/109:34 pm -
2 stops33h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$698
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $772 (oojo) |
One-way from | $398 (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 26, 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
Thu 10/1
11:45 am-2:40 pm
1 stop35h 55m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$398
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 10/1
7:18 am-10:35 pm
2 stops24h 17m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$436
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 10/6
10:59 pm-10:10 am
2 stops44h 11m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$589
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 12/8
1:36 pm-6:05 pm
3 stops36h 29m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$649
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Tue 10/6
11:45 am-6:30 pm
1 stop39h 45m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$736
Quickest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sat 12/12
10:25 am-9:55 pm
1 stop19h 30m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$767
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 12/10
11:29 am-9:00 pm
3 stops41h 31m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$774
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 12/13
3:48 pm-10:10 am
2 stops26h 22m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$778
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 12/14
1:36 pm-2:30 pm
2 stops32h 54m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$779
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Thu 12/17
9:36 pm-10:10 am
2 stops44h 34m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$829
Showing 1-10 of 15 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 September 26, 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
Boarding
7.9
Overall
7.6
Food
7.3
Entertainment
7.8
Comfort
7.6
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Crew
8.1
Boarding
7.9
Overall
7.6
Food
7.3
Entertainment
7.8
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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Complete your trip
Complete your trip to Hangzhou by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Hangzhou by cabin class
Find flights from Seattle to Hangzhou, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 26, 2026.
Seattle and Hangzhou flights
Browse other Seattle and Hangzhou flight options. Last updated on September 26, 2026.
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 September 26, 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$983 | FlexibilityNo cancel fee | On-time72% |