$441+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Aug 28 — Sep 41
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
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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 July 29, 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 29, 2026.
This Vliegwinkel deal was found by Cheapflights users on 7/28. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:25 pm
SEA
- HGH
1 stop35h 15m
Cathay Pacific
Mon 9/73:55 pm
HGH
- SEA
1 stop33h 25m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$649
This oojo deal was found by Cheapflights users on 7/28. 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
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Wed 11/257:30 pm
HGH
- SEA
1 stop29h 40m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$651
This oojo deal was found by Cheapflights users on 7/28. 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 8/2512:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Tue 11/2411:25 am
HGH
- SEA
1 stop37h 45m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$652
This Cathay Pacific deal was found by Cheapflights users on 7/27. 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 11/1210:50 am
SEA
- HGH
1 stop35h 40m
Cathay Pacific
Mon 11/1611:25 am
HGH
- SEA
1 stop37h 45m
Cathay Pacific
Deal found 7/27![Cathay Pacific logo]()
$681
This oojo deal was found by Cheapflights users on 7/28. 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 8/2512:25 pm
SEA
- HGH
1 stop39h 05m
Cathay Pacific
Tue 9/17:45 pm
HGH
- SEA
1 stop29h 35m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$726
This oojo deal was found by Cheapflights users on 7/29. 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 9/98:41 am
SEA
- HGH
2 stops22h 54m
Multiple Airlines
Wed 11/253:45 pm
HGH
- SEA
1 stop33h 25m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$751
This oojo deal was found by Cheapflights users on 7/28. 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 8/257:18 am
SEA
- HGH
2 stops24h 17m
Multiple Airlines
Tue 11/2411:25 am
HGH
- SEA
1 stop37h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$753
This Booking.com deal was found by Cheapflights users on 7/28. 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 8/2512:25 pm
SEA
- HGH
1 stop39h 05m
Multiple Airlines
Tue 9/17:45 pm
HGH
- SEA
2 stops26h 21m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$756
This Booking.com deal was found by Cheapflights users on 7/28. 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 8/2412:25 pm
SEA
- HGH
1 stop35h 15m
Multiple Airlines
Mon 9/73:55 pm
HGH
- SEA
2 stops30h 11m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$758
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:50 am
SEA
- HGH
1 stop31h 20m
Cathay Pacific
Sat 11/148:00 am
HGH
- SEA
1 stop17h 10m
Cathay Pacific
Deal found 7/25![Cathay Pacific logo]()
$780
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 29, 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 29, 2026.
This oojo deal was found by Cheapflights users on 7/29. 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 9/912:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Wed 11/257:30 pm
HGH
- SEA
1 stop29h 40m
Cathay Pacific
Deal found 7/29![Cathay Pacific logo]()
$651
This Asiana Airlines deal was found by Cheapflights users on 7/25. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:10 am
SEA
- HGH
1 stop22h 35m
Asiana Airlines
Tue 9/153:10 pm
HGH
- SEA
1 stop15h 05m
Asiana Airlines
Deal found 7/25![Asiana Airlines logo]()
$956
This Cathay Pacific deal was found by Cheapflights users on 7/28. 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 11/1210:50 am
SEA
- HGH
1 stop35h 40m
Cathay Pacific
Mon 11/1611:25 am
HGH
- SEA
1 stop37h 45m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$681
This Cathay Pacific deal was found by Cheapflights users on 7/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:59 pm
SEA
- HGH
2 stops37h 36m
Cathay Pacific
Tue 9/1511:25 am
HGH
- SEA
2 stops24h 13m
Cathay Pacific
Deal found 7/25![Cathay Pacific logo]()
$949
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated July 29, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:25 pm
SEA
- HGH
1 stop19h 10m
Multiple Airlines
Mon 8/177:45 pm
HGH
- SEA
2 stops28h 13m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$882
This oojo deal was found by Cheapflights users on 7/25. 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.
Thu 8/1312:25 pm
SEA
- HGH
1 stop19h 10m
Multiple Airlines
Thu 8/208:00 am
HGH
- SEA
2 stops22h 32m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$883
This Vliegwinkel deal was found by Cheapflights users on 7/28. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:20 pm
SEA
- HGH
1 stop20h 10m
Hainan Airlines
Mon 8/179:25 pm
HGH
- SEA
1 stop26h 35m
Hainan Airlines
Deal found 7/28![Hainan Airlines logo]()
$917
This Vliegwinkel deal was found by Cheapflights users on 7/28. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:25 pm
SEA
- HGH
1 stop35h 15m
Cathay Pacific
Mon 9/73:55 pm
HGH
- SEA
1 stop33h 25m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$649
This Booking.com deal was found by Cheapflights users on 7/28. 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 8/2412:25 pm
SEA
- HGH
1 stop35h 15m
Multiple Airlines
Mon 9/73:55 pm
HGH
- SEA
2 stops30h 11m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$758
This oojo deal was found by Cheapflights users on 7/28. 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 8/2512:25 pm
SEA
- HGH
1 stop19h 10m
Cathay Pacific
Tue 11/2411:25 am
HGH
- SEA
1 stop37h 45m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$652
This oojo deal was found by Cheapflights users on 7/28. 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 8/2512:25 pm
SEA
- HGH
1 stop39h 05m
Cathay Pacific
Tue 9/17:45 pm
HGH
- SEA
1 stop29h 35m
Cathay Pacific
Deal found 7/28![Cathay Pacific logo]()
$726
This oojo deal was found by Cheapflights users on 7/28. 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 8/257:18 am
SEA
- HGH
2 stops24h 17m
Multiple Airlines
Tue 11/2411:25 am
HGH
- SEA
1 stop37h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$753
This Booking.com deal was found by Cheapflights users on 7/28. 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 8/2512:25 pm
SEA
- HGH
1 stop39h 05m
Multiple Airlines
Tue 9/17:45 pm
HGH
- SEA
2 stops26h 21m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$756
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 29, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:05 pm
SEA
- HGH
1 stop32h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$441
This Trip.com deal was found by Cheapflights users on 7/28. 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 10/54:51 pm
SEA
- HGH
2 stops29h 34m
Korean Air
Deal found 7/28![Korean Air logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/59:45 pm
SEA
- HGH
3 stops48h 10m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 9/297:35 pm
SEA
- HGH
3 stops52h 05m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$1,650
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Wed 9/3010:30 am
SEA
- HGH
3 stops37h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$1,928
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/287:35 pm
SEA
- HGH
3 stops51h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$2,098
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/18:10 pm
SEA
- HGH
3 stops55h 05m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$2,201
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 9/257:35 pm
SEA
- HGH
3 stops50h 30m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$2,206
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $649 (Vliegwinkel) |
One-way from | $441 (SmartFares) |
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 29, 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 - HGH
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
$651
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 11/12
10:50 am-2:30 pm
1 stop35h 40m
Hangzhou
Mon 11/16
11:25 am-9:10 am
1 stop37h 45m
$681
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 9/11
5:59 pm-10:35 pm
2 stops37h 36m
Hangzhou
Tue 9/15
11:25 am-8:38 pm
2 stops24h 13m
$949
Quickest round-trip
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Thu 9/10
12:10 am-1:45 pm
1 stop22h 35m
Hangzhou
Tue 9/15
3:10 pm-3:15 pm
1 stop15h 05m
$956
Cheapest one-way
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 8/14
2:05 pm-1:45 pm
1 stop32h 40m
$441
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Mon 10/5
4:51 pm-1:25 pm
2 stops29h 34m
$537
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Mon 10/5
9:45 pm-12:55 pm
3 stops48h 10m
$658
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Fri 9/25
7:35 pm-1:05 pm
3 stops50h 30m
$2,206
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Sat 9/26
10:30 am-1:05 pm
3 stops35h 35m
$2,234
SeattleHangzhou
SEA - HGH
SEAHGH
Seattle/Tacoma Intl
Mon 9/28
1:35 pm-1:45 pm
1 stop33h 10m
$3,412
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 29, 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.
Overall
7.6
Boarding
7.9
Entertainment
7.7
Food
7.3
Comfort
7.5
Crew
8.1
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Overall
7.6
Boarding
7.9
Entertainment
7.7
Food
7.3
Comfort
7.5
Crew
8.1
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 29, 2026.
Seattle and Hangzhou flights
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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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$983 | FlexibilityNo cancel fee | On-time72% |