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$366+ Cheap flights from Shanghai, China to Seattle (SEA)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SHA — SEA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Shanghai to Seattle/Tacoma Intl are usually found in April or March, booked 37 days in advance, depart on a Saturday or Friday and return on a Sunday

Cheap flight deals from Shanghai to Seattle

Cheapest flights from Shanghai to Seattle
Explore the most affordable flight options available from Shanghai to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 amPVG - SEA
1 stop17h 35mHainan Airlines
Tue 3/3111:00 amSEA - PVG
1 stop31h 45mHainan Airlines
Deal found 12/21$777
This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:35 amSHA - SEA
1 stop15h 25mHainan Airlines
Tue 3/3111:00 amSEA - SHA
1 stop21h 05mHainan Airlines
Deal found 12/21$777
This Rumbo deal was found by Cheapflights users on 12/22. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:20 amPVG - SEA
1 stop13h 40mKorean Air
Wed 1/711:00 amSEA - PVG
1 stop17h 25mKorean Air
Deal found 12/22$844
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 amPVG - SEA
1 stop17h 35mMultiple Airlines
Tue 3/3110:10 amSEA - PVG
2 stops19h 45mMultiple Airlines
Deal found 12/21$847
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:55 pmPVG - SEA
1 stop17h 45mMultiple Airlines
Wed 1/73:45 pmSEA - PVG
1 stop37h 40mMultiple Airlines
Deal found 12/22$853
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmPVG - SEA
Nonstop10h 45mDelta
Wed 1/710:35 amSEA - PVG
Nonstop13h 15mDelta
Deal found 12/22$883
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:30 pmPVG - SEA
2 stops18h 54mUnited Airlines
Wed 1/75:10 pmSEA - PVG
1 stop33h 35mUnited Airlines
Deal found 12/22$887
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:50 amPVG - SEA
1 stop23h 50mPhilippine Airlines
Tue 3/3111:10 pmSEA - PVG
1 stop24h 20mPhilippine Airlines
Deal found 12/21$890
This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:55 pmSHA - SEA
1 stop27h 05mHainan Airlines
Tue 3/3111:00 amSEA - SHA
1 stop21h 05mHainan Airlines
Deal found 12/21$904
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:30 pmSHA - SEA
2 stops19h 46mMultiple Airlines
Tue 3/3111:00 amSEA - SHA
1 stop32h 00mMultiple Airlines
Deal found 12/21$913
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:30 amPVG - SEA
2 stops30h 16mMultiple Airlines
Tue 3/3110:10 amSEA - PVG
1 stop36h 55mMultiple Airlines
Deal found 12/21$944
This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:30 pmSHA - SEA
2 stops19h 46mMultiple Airlines
Tue 3/3111:00 amSEA - SHA
1 stop21h 05mMultiple Airlines
Deal found 12/21$1,055

Find flight deals from Shanghai to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Shanghai (CN2) to Seattle (SEA). 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 December 23, 2025.

Round-trip from

$710
(oojo)

One-way from

$366
(oojo)

Popular in

August

Cheapest in

April

Average price

$882
From Shanghai to Seattle/Tacoma Intl
Search Deals
One-way flight from Shanghai to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Shanghai to Seattle 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 December 23, 2025.
Use the filters below to find and compare flights from Shanghai to Seattle that are best for you.

Fly from

Shanghai

Fly to

Seattle

Route

Depart

Return

Price

ShanghaiSeattle

PVG - SEA

PVGSEA

Shanghai Pu Dong

Mon 3/30

8:35 am-2:55 pm

1 stop21h 20m

Seattle/Tacoma Intl

Tue 9/15

12:10 am-3:00 pm

1 stop23h 50m

$715

ShanghaiSeattle

PVG - SEA

PVGSEA

Shanghai Pu Dong

Mon 1/19

8:25 am-1:55 pm

1 stop21h 30m

Seattle/Tacoma Intl

Sun 7/12

12:10 am-10:05 am

1 stop18h 55m

$829

ShanghaiSeattle

PVG - SEA

PVGSEA

Shanghai Pu Dong

Wed 1/21

1:10 pm-1:55 pm

1 stop16h 45m

Seattle/Tacoma Intl

Fri 7/3

12:10 am-11:45 am

1 stop20h 35m

$829

ShanghaiSeattle

PVG - SEA

PVGSEA

Shanghai Pu Dong

Sun 1/18

8:25 am-1:55 pm

1 stop21h 30m

Seattle/Tacoma Intl

Sun 7/5

12:10 am-8:55 pm

1 stop29h 45m

$829

ShanghaiSeattle

PVG - SEA

PVGSEA

Shanghai Pu Dong

Tue 1/20

8:50 am-9:00 am

1 stop16h 10m

Seattle/Tacoma Intl

Sun 7/12

1:20 pm-8:10 pm

1 stop15h 50m

$843

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Wed 1/21

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Tue 7/7

12:10 am-9:45 am

1 stop18h 35m

$848

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Wed 1/21

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Mon 7/6

12:10 am-9:45 am

1 stop18h 35m

$848

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Wed 1/21

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Tue 7/14

12:10 am-9:45 am

1 stop18h 35m

$848

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Mon 1/19

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Sun 7/12

12:10 am-9:45 am

1 stop18h 35m

$848

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Mon 1/19

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Tue 7/7

12:10 am-9:45 am

1 stop18h 35m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 48 results
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Best time to book a flight from Shanghai to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Shanghai with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Shanghai to Seattle

How far ahead should I book a flight from Shanghai to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Shanghai to Seattle. Price data was last updated on December 19, 2025.

The best time to book flights from Shanghai to Seattle is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Shanghai to Seattle?

Currently, September is the cheapest month in which you can book a flight from Shanghai to Seattle (average of $470). Flying from Shanghai to Seattle in August is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SHA to SEA?

Find hourly flight availability from Shanghai to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s optimal to fly from Shanghai to Seattle at noon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Shanghai to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Shanghai to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Shanghai to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Shanghai to Seattle delayed?

About 40% of weekly flights between Shanghai and Seattle have experienced delays in the past year, with the average delay time being 327 minutes.

What is the most punctual flight time for Shanghai to Seattle flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Shanghai to Seattle flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 12% of flights being delayed.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 23, 2025.
Read through reviews of airlines operating flights from Shanghai to Seattle, such as Korean Air, Asiana Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,185 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,185 reviews
Korean Air
8.4
Very good
1,185 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
499 reviews
Korean Air
8.4
Very good
1,185 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,015 reviews
Korean Air
8.4
Very good
1,185 reviews

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Shanghai to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Shanghai?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Shanghai. Booking flights from Shanghai to Seattle/Tacoma Intl (SEA) should be relatively easy as there is 1 daily inbound flight from Shanghai from 3 different airlines.

  • How long is the flight from Shanghai to Seattle?

    Asiana Airlines and Korean Air can get you from Shanghai to Seattle in just under 16h 10m. Your travel time can differ by up to 5h 10m. There are 5705 mi between Shanghai and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Shanghai to Seattle round-trip?

    Flying on Delta is currently your cheapest option to Seattle, with prices starting at $561. Additional round-trip tickets that might be worth considering are offered by Korean Air and Asiana Airlines, with the lowest prices starting at $679 and $724, respectively. Delta is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Shanghai to Seattle one-way?

    To fly one-way, consider booking your trip with Hainan Airlines, which is currently one of the cheapest options available, starting at $362. ANA flights start at $406 while deals on Philippine Airlines start at $408 one-way.

  • Can I find deals for flights from Shanghai to Seattle that include hotel bookings?

    Yes. In addition to deals on Shanghai to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Shanghai to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shanghai to Seattle.

  • Can I find deals for business class flights from Shanghai to Seattle?

    Yes. Cheapflights offers flight deals from Shanghai to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Shanghai to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Shanghai to Seattle (average of $470). Flying from Shanghai to Seattle in August is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Shanghai to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Hongqiao Intl to Seattle flights
Pu Dong to Seattle flights
Hongqiao Intl to Portland flights
Pu Dong to Portland flights

Top 3 airlines flying from Shanghai to Seattle

Discover the top 3 airlines that operate flights from Shanghai to Seattle. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$679Average$864FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$724Average$930FlexibilityNo cancel feeOn-time76%
DeltaCheapest$810Average$954FlexibilityNo cancel feeOn-timeN/A

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