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Cheap flights from Seattle to Shanghai from $318

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 11/27. 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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Korean Air Logo
11:00 am - 9:45 amSEA-PVG
30h 45m1 stop
Korean Air Logo
2:00 pm - 9:00 amPVG-SEA
35h 00m1 stop
$705Korean Air
Find Deal
Sat, Nov 29 - Thu, Feb 19
ANA Logo
3:40 pm - 12:25 pmSEA-SHA
28h 45m1 stop
ANA Logo
1:40 pm - 1:20 pmSHA-SEA
15h 40m1 stop
$706ANA
Find Deal
Thu, Nov 27 - Sun, Dec 14
ANA Logo
3:40 pm - 1:15 amSEA-PVG
17h 35m1 stop
ANA Logo
8:30 am - 1:20 pmPVG-SEA
20h 50m1 stop
$706ANA
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Sun, Nov 30 - Thu, Dec 11
ANA Logo
10:05 am - 1:15 amSEA-PVG
23h 10m2 stops
ANA Logo
8:30 am - 7:16 pmPVG-SEA
26h 46m2 stops
$708ANA
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Fri, Nov 28 - Fri, Dec 19
Hainan Airlines Logo
10:05 am - 10:30 amSEA-PVG
32h 25m1 stop
Hainan Airlines Logo
6:25 am - 8:00 amPVG-SEA
17h 35m1 stop
$711Hainan Airlines
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Thu, Nov 27 - Sat, Dec 6
Asiana Airlines Logo
12:10 am - 10:05 amSEA-PVG
17h 55m1 stop
Asiana Airlines Logo
4:25 pm - 1:55 pmPVG-SEA
13h 30m1 stop
$721Asiana Airlines
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Sat, Nov 29 - Fri, Feb 20
Multiple Airlines Logo
3:40 pm - 12:25 pmSEA-SHA
28h 45m1 stop
Multiple Airlines Logo
8:55 pm - 8:00 amSHA-SEA
27h 05m1 stop
$722Multiple Airlines
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Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
3:40 pm - 12:25 pmSEA-SHA
28h 45m1 stop
Multiple Airlines Logo
8:35 am - 8:00 amSHA-SEA
15h 25m1 stop
$723Multiple Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
Asiana Airlines Logo
12:10 am - 9:45 amSEA-SHA
17h 35m1 stop
Asiana Airlines Logo
10:55 am - 1:55 pmSHA-SEA
19h 00m1 stop
$736Asiana Airlines
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Sat, Nov 29 - Sat, Feb 21
Hainan Airlines Logo
11:00 am - 11:05 pmSEA-SHA
21h 05m1 stop
Hainan Airlines Logo
8:20 am - 9:00 amSHA-SEA
15h 40m1 stop
$737Hainan Airlines
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Tue, Apr 7 - Tue, Apr 21

Cathay Pacific flights from Seattle to Shanghai

Our best Cathay Pacific deals on Seattle to Shanghai flight tickets
Cathay Pacific
May 6
SEA11:50 amSeattle/Tacoma Intl
33h 15m
1 stop
SHA12:05 pmShanghai Hongqiao Intl
May 12
SHA4:50 pmShanghai Hongqiao Intl
40h 48m
2 stops
SEA6:38 pmSeattle/Tacoma Intl
$852
Find similar
Cathay Pacific
Mar 3
SEA6:00 amSeattle/Tacoma Intl
38h 20m
2 stops
SHA12:20 pmShanghai Hongqiao Intl
Mar 10
SHA1:35 pmShanghai Hongqiao Intl
24h 01m
2 stops
SEA10:36 pmSeattle/Tacoma Intl
$862
Find similar
Cathay Pacific
Feb 10
SEA7:55 pmSeattle/Tacoma Intl
48h 25m
2 stops
SHA12:20 pmShanghai Hongqiao Intl
Feb 23
SHA10:30 pmShanghai Hongqiao Intl
60h 22m
2 stops
SEA6:52 pmSeattle/Tacoma Intl
$867
Find similar

Hainan Airlines flights from Seattle to Shanghai

Our best Hainan Airlines deals on Seattle to Shanghai flight tickets
Hainan Airlines
Nov 27
SEA10:05 amSeattle/Tacoma Intl
32h 25m
1 stop
PVG10:30 amShanghai Pu Dong
Dec 6
PVG6:25 amShanghai Pu Dong
17h 35m
1 stop
SEA8:00 amSeattle/Tacoma Intl
$711
Find similar
Hainan Airlines
Apr 7
SEA11:00 amSeattle/Tacoma Intl
21h 05m
1 stop
SHA11:05 pmShanghai Hongqiao Intl
Apr 21
SHA8:20 amShanghai Hongqiao Intl
15h 40m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$737
Find similar
Hainan Airlines
Dec 2
SEA10:00 amSeattle/Tacoma Intl
34h 35m
1 stop
PVG12:35 pmShanghai Pu Dong
Feb 20
PVG7:30 pmShanghai Pu Dong
28h 30m
1 stop
SEA8:00 amSeattle/Tacoma Intl
$742
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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 November 13, 2025.
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

Sat 11/29

11:00 am-9:45 am

1 stop30h 45m

Shanghai Pu Dong

Thu 2/19

2:00 pm-9:00 am

1 stop35h 00m

$705

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 11/27

3:40 pm-12:25 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Sun 12/14

1:40 pm-1:20 pm

1 stop15h 40m

$706

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 11/30

3:40 pm-1:15 am

1 stop17h 35m

Shanghai Pu Dong

Thu 12/11

8:30 am-1:20 pm

1 stop20h 50m

$706

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Fri 11/28

10:05 am-1:15 am

2 stops23h 10m

Shanghai Pu Dong

Fri 12/19

8:30 am-7:16 pm

2 stops26h 46m

$708

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 11/27

10:05 am-10:30 am

1 stop32h 25m

Shanghai Pu Dong

Sat 12/6

6:25 am-8:00 am

1 stop17h 35m

$711

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sat 11/29

12:10 am-10:05 am

1 stop17h 55m

Shanghai Pu Dong

Fri 2/20

4:25 pm-1:55 pm

1 stop13h 30m

$721

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 12/1

3:40 pm-12:25 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Fri 12/5

8:55 pm-8:00 am

1 stop27h 05m

$722

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 12/1

3:40 pm-12:25 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Sat 12/6

8:35 am-8:00 am

1 stop15h 25m

$723

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 11/29

12:10 am-9:45 am

1 stop17h 35m

Shanghai Hongqiao Intl

Sat 2/21

10:55 am-1:55 pm

1 stop19h 00m

$736

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 4/7

11:00 am-11:05 pm

1 stop21h 05m

Shanghai Hongqiao Intl

Tue 4/21

8:20 am-9:00 am

1 stop15h 40m

$737

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 typical price of a round-trip flight between Seattle and Shanghai?

What is the cheapest month to fly to Shanghai?

The cheapest month to fly to Shanghai from Seattle is in March. Flight prices, which tend to average around $986, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Shanghai, with average flight prices from Seattle averaging around $1,024.

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 $1,083. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Shanghai for around $1,366.

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 $1,178. Flights at noon are often more expensive with an average ticket price of $1,490.

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 $1,122 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 $805 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 30m

Direct flights

Every day

Airports in Shanghai

1 airport
The fastest flight from Seattle to Shanghai takes 12h 30m
Direct flights go from Seattle to Shanghai every day.
There is 1 airport near Shanghai: 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 17h 25m 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
Hainan AirlinesPriceFrom $472Free CancellationRating
8.1
53 reviews
Search Hainan Airlines flights
DeltaPriceFrom $505Free CancellationRating
7.9
8,007 reviews
Search Delta flights
Asiana AirlinesPriceFrom $602Free CancellationRating
8.2
486 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,163 reviews
Search Korean Air flights
Air CanadaPriceFrom $719Free CancellationRating
7.1
10,448 reviews
Search Air Canada flights
China AirlinesPriceFrom $825Free CancellationRating
8.3
778 reviews
Search China Airlines flights
ANAPriceFrom $915Free CancellationRating
8.4
1,004 reviews
Search ANA flights
EVA AirPriceFrom $1,031Free CancellationRating
8.4
1,276 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