$395+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HGH
Nov 3 — Nov 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
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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 October 4, 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 October 4, 2026.
This oojo deal was found by Cheapflights users on 10/2. 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.
Mon 11/1610:25 am -
1 stop31h 45m
Mon 11/2311:25 am -
1 stop37h 20m
Deal found 10/2![Cathay Pacific logo]()
$770
This FlightHub deal was found by Cheapflights users on 10/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:25 am -
1 stop39h 50m
Thu 11/198:00 am -
1 stop16h 45m
Deal found 10/3![Cathay Pacific logo]()
$784
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:25 am -
1 stop31h 45m
Wed 11/187:30 pm -
1 stop29h 15m
Deal found 10/3![Cathay Pacific logo]()
$807
This oojo deal was found by Cheapflights users on 10/3. 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 10/2911:25 am -
1 stop39h 50m
Fri 11/207:30 pm -
1 stop29h 15m
Deal found 10/3![Cathay Pacific logo]()
$819
This oojo deal was found by Cheapflights users on 10/2. 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.
Mon 11/166:33 pm -
2 stops27h 57m
Mon 11/233:45 pm -
1 stop33h 00m
Deal found 10/2![Multiple Airlines logo]()
$833
This FlightHub deal was found by Cheapflights users on 10/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:25 am -
1 stop31h 45m
Fri 11/207:30 pm -
1 stop29h 15m
Deal found 10/3![Cathay Pacific logo]()
$834
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:25 am -
1 stop31h 45m
Sun 11/223:45 pm -
1 stop33h 00m
Deal found 10/3![Cathay Pacific logo]()
$857
This oojo deal was found by Cheapflights users on 10/3. 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 10/2911:25 am -
1 stop20h 05m
Fri 11/207:30 pm -
2 stops33h 26m
Deal found 10/3![Multiple Airlines logo]()
$882
This oojo deal was found by Cheapflights users on 10/1. 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.
Fri 10/167:55 pm -
2 stops23h 15m
Wed 10/218:00 am -
1 stop17h 05m
Deal found 10/1![Multiple Airlines logo]()
$883
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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.
Sun 10/1810:59 pm -
2 stops32h 36m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/29![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 October 4, 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 October 4, 2026.
This oojo deal was found by Cheapflights users on 10/2. 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.
Mon 11/169:39 pm -
2 stops32h 51m
Mon 11/238:00 am -
2 stops22h 42m
Deal found 10/2![Multiple Airlines logo]()
$863
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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.
Sun 10/1810:59 pm -
2 stops32h 36m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/29![Cathay Pacific logo]()
$888
This Korean Air deal was found by Cheapflights users on 10/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:32 am -
2 stops37h 48m
Wed 11/181:30 pm -
2 stops22h 39m
Deal found 10/3![Korean Air logo]()
$924
This oojo deal was found by Cheapflights users on 10/2. 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.
Sat 1/233:59 pm -
2 stops26h 11m
Tue 2/238:00 am -
2 stops22h 41m
Deal found 10/2![Multiple Airlines logo]()
$912
This Korean Air deal was found by Cheapflights users on 10/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:35 pm -
2 stops46h 45m
Wed 11/181:30 pm -
2 stops48h 34m
Deal found 10/3![Korean Air logo]()
$924
This Korean Air deal was found by Cheapflights users on 10/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:35 pm -
2 stops48h 45m
Wed 11/181:30 pm -
2 stops41h 40m
Deal found 10/3![Korean Air logo]()
$974
This Korean Air deal was found by Cheapflights users on 10/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:35 pm -
2 stops46h 45m
Fri 11/202:30 pm -
2 stops42h 21m
Deal found 10/3![Korean Air logo]()
$974
Last-minute flights from Seattle to HangzhouDiscover last-minute flight deals from Seattle to Hangzhou. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hangzhou. Data last updated October 4, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 10/1. 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.
Fri 10/167:55 pm -
2 stops23h 15m
Wed 10/218:00 am -
1 stop17h 05m
Deal found 10/1![Multiple Airlines logo]()
$883
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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.
Sun 10/1810:59 pm -
2 stops32h 36m
Thu 10/228:00 am -
1 stop17h 05m
Deal found 9/29![Cathay Pacific logo]()
$888
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:25 am -
1 stop31h 45m
Sun 11/2211:25 am -
1 stop37h 20m
Deal found 10/3![Cathay Pacific logo]()
$807
This FlightHub deal was found by Cheapflights users on 10/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:25 am -
1 stop39h 50m
Thu 11/198:00 am -
1 stop16h 45m
Deal found 10/3![Cathay Pacific logo]()
$784
This FlightHub deal was found by Cheapflights users on 10/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:25 am -
1 stop31h 45m
Fri 11/207:30 pm -
1 stop29h 15m
Deal found 10/3![Cathay Pacific logo]()
$834
This oojo deal was found by Cheapflights users on 10/3. 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 10/2911:25 am -
1 stop39h 50m
Fri 11/207:30 pm -
1 stop29h 15m
Deal found 10/3![Cathay Pacific logo]()
$819
This oojo deal was found by Cheapflights users on 10/3. 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 10/2911:25 am -
1 stop20h 05m
Fri 11/207:30 pm -
2 stops33h 26m
Deal found 10/3![Multiple Airlines logo]()
$882
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:25 am -
1 stop31h 45m
Thu 11/198:00 am -
1 stop16h 45m
Deal found 10/3![Cathay Pacific logo]()
$857
This oojo deal was found by Cheapflights users on 10/2. 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.
Mon 11/1610:25 am -
1 stop31h 45m
Mon 11/2311:25 am -
1 stop37h 20m
Deal found 10/2![Cathay Pacific logo]()
$770
This oojo deal was found by Cheapflights users on 10/2. 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.
Mon 11/166:33 pm -
2 stops27h 57m
Mon 11/233:45 pm -
1 stop33h 00m
Deal found 10/2![Multiple Airlines logo]()
$833
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 October 4, 2026.
Search for one-way flight options from Seattle to Hangzhou. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This oojo deal was found by Cheapflights users on 10/3. 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 12/3010:25 am -
1 stop36h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Cathay Pacific logo]()
$395
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:25 am -
1 stop39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Cathay Pacific logo]()
$397
This oojo deal was found by Cheapflights users on 10/1. 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.
Mon 2/110:25 am -
1 stop39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Cathay Pacific logo]()
$426
This oojo deal was found by Cheapflights users on 10/3. 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 12/3011:32 am -
2 stops34h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$433
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:18 am -
2 stops23h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$459
This oojo deal was found by Cheapflights users on 10/1. 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.
Mon 2/11:30 pm -
2 stops28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$466
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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $770 (oojo) |
One-way from | $397 (Mytrip) |
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 October 4, 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
Wed 12/30
10:25 am-2:30 pm
1 stop36h 05m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$395
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 11/16
10:25 am-6:15 pm
1 stop39h 50m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$397
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Wed 12/30
11:32 am-2:30 pm
2 stops34h 58m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$433
Quickest round-trip
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 2/1
1:30 pm-10:10 am
2 stops28h 40m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$466
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 11/16
11:00 am-9:40 am
3 stops30h 40m
Hangzhou
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$533
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 11/16
9:39 pm-10:30 pm
2 stops32h 51m
Hangzhou
Mon 11/23
8:00 am-2:42 pm
2 stops22h 42m
$863
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 10/18
10:59 pm-10:35 pm
2 stops32h 36m
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
Sat 1/23
3:59 pm-10:10 am
2 stops26h 11m
Hangzhou
Tue 2/23
8:00 am-2:41 pm
2 stops22h 41m
$912
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Mon 10/26
7:32 am-12:20 pm
2 stops37h 48m
Hangzhou
Wed 11/18
1:30 pm-8:09 pm
2 stops22h 39m
$924
SeattleHangzhou
SEA Seattle/Tacoma Intl - HGH Hangzhou
SEAHGH
Seattle/Tacoma Intl
Sun 11/1
9:35 pm-12:20 pm
2 stops46h 45m
Hangzhou
Wed 11/18
1:30 pm-10:04 pm
2 stops48h 34m
$924
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 October 4, 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.
Comfort
7.6
Entertainment
7.8
Food
7.3
Overall
7.6
Boarding
7.9
Crew
8.1
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Comfort
7.6
Entertainment
7.8
Food
7.3
Overall
7.6
Boarding
7.9
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 October 4, 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 October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$872 | Average$923 | FlexibilityNo cancel fee | On-time72% |