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Cheap flights from Seattle to Shanghai from $350

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 3/19. 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.
ANA Logo
9:55 am - 12:25 pm
SEA
-
SHA
34h 30m2 stops
ANA Logo
1:40 pm - 2:20 pm
SHA
-
SEA
15h 40m1 stop
$703ANA
Thu, Jan 15 - Wed, Mar 18
Asiana Airlines Logo
12:10 am - 10:05 am
SEA
-
PVG
18h 55m1 stop
Asiana Airlines Logo
4:25 pm - 2:55 pm
PVG
-
SEA
13h 30m1 stop
$703Asiana Airlines
Wed, Mar 18 - Thu, Apr 16
Korean Air Logo
11:00 am - 9:45 am
SEA
-
PVG
30h 45m1 stop
Korean Air Logo
8:50 am - 9:00 am
PVG
-
SEA
16h 10m1 stop
$705Korean Air
Wed, Feb 11 - Fri, Feb 20
ANA Logo
9:55 am - 12:20 pm
SEA
-
PVG
34h 25m2 stops
ANA Logo
2:35 am - 7:16 pm
PVG
-
SEA
32h 41m2 stops
$706ANA
Tue, Jan 20 - Mon, Feb 2
Asiana Airlines Logo
12:10 am - 9:45 am
SEA
-
SHA
17h 35m1 stop
Asiana Airlines Logo
10:55 am - 2:55 pm
SHA
-
SEA
19h 00m1 stop
$707Asiana Airlines
Fri, Feb 27 - Sun, Mar 22
ANA Logo
5:10 pm - 1:15 am
SEA
-
PVG
40h 05m2 stops
ANA Logo
2:35 am - 7:16 pm
PVG
-
SEA
32h 41m2 stops
$708ANA
Sun, Jan 18 - Wed, Feb 4
Korean Air Logo
11:17 am - 8:25 pm
SEA
-
PVG
41h 08m2 stops
Korean Air Logo
8:50 am - 10:00 am
PVG
-
SEA
16h 10m1 stop
$710Korean Air
Tue, Mar 3 - Thu, Mar 19
ANA Logo
3:45 pm - 12:25 pm
SEA
-
SHA
28h 40m1 stop
ANA Logo
1:40 pm - 2:20 pm
SHA
-
SEA
15h 40m1 stop
$711ANA
Mon, Jan 12 - Tue, Mar 17
ANA Logo
3:45 pm - 1:15 am
SEA
-
PVG
17h 30m1 stop
ANA Logo
2:35 am - 1:20 pm
PVG
-
SEA
26h 45m1 stop
$711ANA
Mon, Feb 16 - Tue, Feb 24
Hainan Airlines Logo
11:05 am - 10:30 am
SEA
-
PVG
32h 25m1 stop
Hainan Airlines Logo
6:40 am - 9:00 am
PVG
-
SEA
17h 20m1 stop
$715Hainan Airlines
Thu, Mar 19 - Sat, Mar 28

Cathay Pacific flights from Seattle to Shanghai

Our best Cathay Pacific deals on Seattle to Shanghai flight tickets
Cathay Pacific
Apr 14
SEA7:08 pmSeattle/Tacoma Intl
25h 57m
2 stops
SHA12:05 pmShanghai Hongqiao Intl
Apr 28
SHA4:50 pmShanghai Hongqiao Intl
32h 20m
1 stop
SEA10:10 amSeattle/Tacoma Intl
$830
Find similar
Cathay Pacific
Apr 1
SEA11:50 amSeattle/Tacoma Intl
36h 45m
1 stop
SHA3:35 pmShanghai Hongqiao Intl
Apr 29
SHA1:20 pmShanghai Hongqiao Intl
35h 50m
1 stop
SEA10:10 amSeattle/Tacoma Intl
$831
Find similar
Cathay Pacific
May 6
SEA11:50 amSeattle/Tacoma Intl
33h 15m
1 stop
SHA12:05 pmShanghai Hongqiao Intl
May 20
SHA1:20 pmShanghai Hongqiao Intl
32h 49m
2 stops
SEA7:09 amSeattle/Tacoma Intl
$839
Find similar

Korean Air flights from Seattle to Shanghai

Our best Korean Air deals on Seattle to Shanghai flight tickets
Korean Air
Feb 11
SEA11:00 amSeattle/Tacoma Intl
30h 45m
1 stop
PVG9:45 amShanghai Pu Dong
Feb 20
PVG8:50 amShanghai Pu Dong
16h 10m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$705
Find similar
Korean Air
Mar 23
SEA7:15 amSeattle/Tacoma Intl
22h 10m
2 stops
PVG8:25 pmShanghai Pu Dong
Apr 15
PVG8:50 amShanghai Pu Dong
16h 50m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$710
Find similar
Korean Air
Mar 18
SEA12:00 pmSeattle/Tacoma Intl
17h 25m
1 stop
PVG8:25 pmShanghai Pu Dong
Apr 13
PVG8:50 amShanghai Pu Dong
39h 00m
2 stops
SEA8:50 amSeattle/Tacoma Intl
$722
Find similar

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 December 26, 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 - SHA

SEASHA

Seattle/Tacoma Intl

Thu 1/15

9:55 am-12:25 pm

2 stops34h 30m

Shanghai Hongqiao Intl

Wed 3/18

1:40 pm-2:20 pm

1 stop15h 40m

$703

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 3/18

12:10 am-10:05 am

1 stop18h 55m

Shanghai Pu Dong

Thu 4/16

4:25 pm-2:55 pm

1 stop13h 30m

$703

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 2/11

11:00 am-9:45 am

1 stop30h 45m

Shanghai Pu Dong

Fri 2/20

8:50 am-9:00 am

1 stop16h 10m

$705

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Tue 1/20

9:55 am-12:20 pm

2 stops34h 25m

Shanghai Pu Dong

Mon 2/2

2:35 am-7:16 pm

2 stops32h 41m

$706

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Fri 2/27

12:10 am-9:45 am

1 stop17h 35m

Shanghai Hongqiao Intl

Sun 3/22

10:55 am-2:55 pm

1 stop19h 00m

$707

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 1/18

5:10 pm-1:15 am

2 stops40h 05m

Shanghai Pu Dong

Wed 2/4

2:35 am-7:16 pm

2 stops32h 41m

$708

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Tue 3/3

11:17 am-8:25 pm

2 stops41h 08m

Shanghai Pu Dong

Thu 3/19

8:50 am-10:00 am

1 stop16h 10m

$710

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 1/12

3:45 pm-12:25 pm

1 stop28h 40m

Shanghai Hongqiao Intl

Tue 3/17

1:40 pm-2:20 pm

1 stop15h 40m

$711

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Mon 2/16

3:45 pm-1:15 am

1 stop17h 30m

Shanghai Pu Dong

Tue 2/24

2:35 am-1:20 pm

1 stop26h 45m

$711

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 3/19

11:05 am-10:30 am

1 stop32h 25m

Shanghai Pu Dong

Sat 3/28

6:40 am-9:00 am

1 stop17h 20m

$715

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 $861, 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 $1,081. 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 $1,358.

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 $1,156. 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 $1,119 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 $810 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 35m

Direct flights

Every day

Airports in Shanghai

2 airports
The fastest flight from Seattle to Shanghai takes 12h 35m
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 35m 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
8.2
500 reviews
Search Asiana Airlines flights
Hainan AirlinesPriceFrom $472Free CancellationRating
8.2
59 reviews
Search Hainan Airlines flights
DeltaPriceFrom $493Free CancellationRating
7.9
8,014 reviews
Search Delta flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights
ANAPriceFrom $778Free CancellationRating
8.4
1,045 reviews
Search ANA flights
China AirlinesPriceFrom $810Free CancellationRating
8.3
792 reviews
Search China Airlines flights
Air CanadaPriceFrom $951Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
EVA AirPriceFrom $1,038Free CancellationRating
8.4
1,299 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