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Cheap flights from Seattle to Shanghai from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Shanghai departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Hainan Airlines Logo
11:05 am - 10:30 am
SEA
-
PVG
32h 25m
1 stop
Hainan Airlines Logo
5:00 pm - 9:05 am
PVG
-
SEA
31h 05m
1 stop
$652Hainan Airlines
Thu, Mar 26 - Wed, Apr 1
Asiana Airlines Logo
12:55 am - 3:00 pm
SEA
-
PVG
23h 05m
1 stop
Asiana Airlines Logo
8:35 am - 2:55 pm
PVG
-
SEA
21h 20m
1 stop
$660Asiana Airlines
Fri, Apr 17 - Mon, Apr 27
ANA Logo
3:45 pm - 12:25 pm
SEA
-
SHA
28h 40m
1 stop
ANA Logo
1:40 pm - 1:20 pm
SHA
-
SEA
15h 40m
1 stop
$661ANA
Mon, Feb 16 - Wed, Feb 25
Asiana Airlines Logo
12:10 am - 10:05 am
SEA
-
PVG
17h 55m
1 stop
Asiana Airlines Logo
8:25 am - 2:55 pm
PVG
-
SEA
21h 30m
1 stop
$661Asiana Airlines
Mon, Mar 2 - Sat, Mar 21
Hainan Airlines Logo
11:05 am - 11:45 pm
SEA
-
PVG
21h 40m
1 stop
Hainan Airlines Logo
5:00 pm - 9:05 am
PVG
-
SEA
31h 05m
1 stop
$662Hainan Airlines
Thu, Apr 9 - Wed, May 13
Hainan Airlines Logo
11:05 am - 10:30 am
SEA
-
PVG
32h 25m
1 stop
Hainan Airlines Logo
5:00 pm - 9:05 am
PVG
-
SEA
31h 05m
1 stop
$665Hainan Airlines
Thu, Mar 26 - Wed, Apr 1
Asiana Airlines Logo
12:55 am - 8:55 pm
SEA
-
PVG
29h 00m
1 stop
Asiana Airlines Logo
11:35 am - 2:55 pm
PVG
-
SEA
18h 20m
1 stop
$666Asiana Airlines
Sun, Apr 5 - Tue, Apr 21
ANA Logo
3:45 pm - 1:15 am
SEA
-
PVG
17h 30m
1 stop
ANA Logo
8:30 am - 2:20 pm
PVG
-
SEA
20h 50m
1 stop
$675ANA
Mon, Feb 16 - Thu, Mar 12
Cathay Pacific Logo
11:45 am - 12:05 pm
SEA
-
SHA
33h 20m
1 stop
Cathay Pacific Logo
4:50 pm - 10:05 am
SHA
-
SEA
32h 15m
1 stop
$678Cathay Pacific
Thu, Apr 2 - Tue, Apr 21
Cathay Pacific Logo
11:45 am - 12:05 pm
SEA
-
SHA
33h 20m
1 stop
Cathay Pacific Logo
1:20 pm - 10:05 am
SHA
-
SEA
35h 45m
1 stop
$693Cathay Pacific
Thu, Apr 9 - Sun, Apr 19

Cathay Pacific flights from Seattle to Shanghai

Our best Cathay Pacific deals on Seattle to Shanghai flight tickets
Cathay Pacific
Apr 23
SEA11:45 amSeattle/Tacoma Intl
21h 10m
1 stop
PVG11:55 pmShanghai Pu Dong
Apr 30
PVG9:35 amShanghai Pu Dong
15h 30m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$676
Cathay Pacific
Apr 2
SEA11:45 amSeattle/Tacoma Intl
33h 20m
1 stop
SHA12:05 pmShanghai Hongqiao Intl
Apr 21
SHA4:50 pmShanghai Hongqiao Intl
32h 15m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$678
Cathay Pacific
Apr 9
SEA11:45 amSeattle/Tacoma Intl
21h 10m
1 stop
PVG11:55 pmShanghai Pu Dong
Apr 20
PVG9:35 amShanghai Pu Dong
15h 30m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$683

ANA flights from Seattle to Shanghai

Our best ANA deals on Seattle to Shanghai flight tickets
ANA
Feb 16
SEA3:45 pmSeattle/Tacoma Intl
28h 40m
1 stop
SHA12:25 pmShanghai Hongqiao Intl
Feb 25
SHA1:40 pmShanghai Hongqiao Intl
15h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$661
ANA
Feb 16
SEA3:45 pmSeattle/Tacoma Intl
17h 30m
1 stop
PVG1:15 amShanghai Pu Dong
Mar 12
PVG8:30 amShanghai Pu Dong
20h 50m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$675
ANA
Feb 16
SEA3:45 pmSeattle/Tacoma Intl
17h 30m
1 stop
PVG1:15 amShanghai Pu Dong
Feb 25
PVG8:30 amShanghai Pu Dong
20h 50m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$677

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Shanghai 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Seattle to Shanghai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 3/26

11:05 am-10:30 am

1 stop32h 25m

Shanghai Pu Dong

Wed 4/1

5:00 pm-9:05 am

1 stop31h 05m

$652

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Fri 4/17

12:55 am-3:00 pm

1 stop23h 05m

Shanghai Pu Dong

Mon 4/27

8:35 am-2:55 pm

1 stop21h 20m

$660

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 2/16

3:45 pm-12:25 pm

1 stop28h 40m

Shanghai Hongqiao Intl

Wed 2/25

1:40 pm-1:20 pm

1 stop15h 40m

$661

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Mon 3/2

12:10 am-10:05 am

1 stop17h 55m

Shanghai Pu Dong

Sat 3/21

8:25 am-2:55 pm

1 stop21h 30m

$661

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 4/9

11:05 am-11:45 pm

1 stop21h 40m

Shanghai Pu Dong

Wed 5/13

5:00 pm-9:05 am

1 stop31h 05m

$662

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 3/26

11:05 am-10:30 am

1 stop32h 25m

Shanghai Pu Dong

Wed 4/1

5:00 pm-9:05 am

1 stop31h 05m

$665

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 4/5

12:55 am-8:55 pm

1 stop29h 00m

Shanghai Pu Dong

Tue 4/21

11:35 am-2:55 pm

1 stop18h 20m

$666

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Mon 2/16

3:45 pm-1:15 am

1 stop17h 30m

Shanghai Pu Dong

Thu 3/12

8:30 am-2:20 pm

1 stop20h 50m

$675

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 4/2

11:45 am-12:05 pm

1 stop33h 20m

Shanghai Hongqiao Intl

Tue 4/21

4:50 pm-10:05 am

1 stop32h 15m

$678

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 4/9

11:45 am-12:05 pm

1 stop33h 20m

Shanghai Hongqiao Intl

Sun 4/19

1:20 pm-10:05 am

1 stop35h 45m

$693

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Shanghai from

How to get the cheapest flight ticket from Seattle to Shanghai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Shanghai?

The cheapest month to fly to Shanghai from Seattle is in February. Flight prices, which tend to average around $854, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Shanghai, with average flight prices from Seattle averaging around $986.

What is the cheapest day to depart on your flight to Shanghai?

The cheapest day to depart on your flight to Shanghai is on a Sunday when prices can be found for as low as $1,062. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Shanghai for around $1,259.

What is the cheapest time of day to depart on your flight to Shanghai?

Our data shows that the cheapest Seattle to Shanghai flights are usually those with departure times in the morning. Our users have found flights to Shanghai in the morning for as low as $1,151. Flights in the afternoon are often more expensive with an average ticket price of $1,177.

What is the cheapest Seattle/Tacoma Intl to Shanghai flight route?

Fly from Seattle/Tacoma Intl to Shanghai Pu Dong for the best Seattle/Tacoma Intl - Shanghai flight prices

How far in advance should I book a flight to Shanghai?

You are more likely to see cheaper flights to Shanghai from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Shanghai for around $1,098 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shanghai from Seattle for as low as $797 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Shanghai flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Shanghai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to Shanghai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Shanghai

Fastest flight time

12h 20m

Direct flights

Every day

Airports in Shanghai

2 airports
The fastest flight from Seattle to Shanghai takes 12h 20m
Direct flights go from Seattle to Shanghai every day.
There are 2 airports in Shanghai. From Seattle there are direct flights to Shanghai Pu Dong (PVG).
Search flight deals

  • How far is Seattle/Tacoma Intl to Shanghai by plane?

    There are 5704.2 mi between Seattle/Tacoma Intl and Shanghai. Typically, this will take 12h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Shanghai?

    Prices for flights from Seattle/Tacoma Intl Airport to Shanghai refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Shanghai?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Shanghai?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Shanghai.

  • What documentation or ID do you need to fly to Shanghai?

    The necessary travel and health documents for your Shanghai trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Shanghai

Compare and see reviews for airlines that fly from Seattle to Shanghai with momondo
Airline
Rating
Free Cancellation
Price
Asiana AirlinesPriceFrom $437Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
DeltaPriceFrom $439Free CancellationRating
7.9
8,141 reviews
Search Delta flights
Hainan AirlinesPriceFrom $457Free CancellationRating
8.2
62 reviews
Search Hainan Airlines flights
Air CanadaPriceFrom $594Free CancellationRating
7.1
10,687 reviews
Search Air Canada flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
ANAPriceFrom $693Free CancellationRating
8.4
1,084 reviews
Search ANA flights
China AirlinesPriceFrom $810Free CancellationRating
8.3
803 reviews
Search China Airlines flights
Cathay PacificPriceFrom $872Free CancellationRating
7.6
1,159 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $1,021Free CancellationRating
8.4
1,344 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Shanghai?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Shanghai. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Shanghai with flexible booking policies on momondo?

momondo does allow users to show only those flights to Shanghai from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Shanghai?

momondo helps you find the best flight between Seattle and Shanghai by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Shanghai right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Shanghai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to China

Fly into one of these airports located in Shanghai

Airports listed have a maximum distance of 18.9 mi from Shanghai
Shanghai Pu Dong Airport
Shanghai Hongqiao Intl Airport