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Cheap flights from Seattle to Shanghai from $359

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 1/15. 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

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Korean Air Logo
11:00 am - 8:25 pmSEA-PVG
17h 25m1 stop
Korean Air Logo
8:50 am - 9:00 amPVG-SEA
16h 10m1 stop
$705Korean Air
Find Deal
Tue, Jan 20 - Sat, Feb 28
Korean Air Logo
2:02 pm - 9:45 amSEA-PVG
27h 43m2 stops
Korean Air Logo
8:50 am - 9:00 amPVG-SEA
16h 10m1 stop
$710Korean Air
Find Deal
Fri, Jan 23 - Wed, Feb 25
Korean Air Logo
11:00 am - 8:25 pmSEA-PVG
17h 25m1 stop
Korean Air Logo
11:20 am - 4:58 pmPVG-SEA
21h 38m2 stops
$716Korean Air
Find Deal
Wed, Feb 11 - Fri, Feb 20
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
$724Asiana Airlines
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Sun, Jan 18 - Wed, Feb 25
Korean Air Logo
1:30 pm - 5:10 pmSEA-SHA
35h 40m2 stops
Korean Air Logo
6:25 pm - 9:00 amSHA-SEA
30h 35m1 stop
$729Korean Air
Find Deal
Sun, Jan 18 - Sat, Feb 14
Hainan Airlines Logo
11:00 am - 7:40 pmSEA-SHA
17h 40m1 stop
Hainan Airlines Logo
7:00 pm - 9:00 amSHA-SEA
29h 00m1 stop
$734Hainan Airlines
Find Deal
Sat, Mar 14 - Fri, Apr 3
Hainan Airlines Logo
11:00 am - 7:40 pmSEA-SHA
17h 40m1 stop
Hainan Airlines Logo
7:00 pm - 9:00 amSHA-SEA
29h 00m1 stop
$741Hainan Airlines
Find Deal
Sat, Mar 21 - Fri, Apr 10
Asiana Airlines Logo
12:10 am - 10:05 amSEA-PVG
18h 55m1 stop
Asiana Airlines Logo
4:25 pm - 2:55 pmPVG-SEA
13h 30m1 stop
$755Asiana Airlines
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Fri, Mar 13 - Fri, Apr 3
Multiple Airlines Logo
12:10 am - 12:05 amSEA-PVG
55h 55m2 stops
Multiple Airlines Logo
11:45 am - 8:05 amPVG-SEA
36h 20m1 stop
$779Multiple Airlines
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Sun, Jan 18 - Wed, Feb 25
Multiple Airlines Logo
12:10 am - 12:05 amSEA-PVG
31h 55m2 stops
Multiple Airlines Logo
11:45 am - 8:05 amPVG-SEA
36h 20m1 stop
$793Multiple Airlines
Find Deal
Wed, Jan 21 - Wed, Feb 25

Cathay Pacific flights from Seattle to Shanghai

Our best Cathay Pacific deals on Seattle to Shanghai flight tickets
Cathay Pacific
Apr 1
SEA11:50 amSeattle/Tacoma Intl
33h 15m
1 stop
SHA12:05 pmShanghai Hongqiao Intl
Apr 12
SHA1:20 pmShanghai Hongqiao Intl
35h 50m
1 stop
SEA10:10 amSeattle/Tacoma Intl
$832
Find similar
Cathay Pacific
Nov 30
SEA5:46 pmSeattle/Tacoma Intl
26h 44m
2 stops
PVG12:30 pmShanghai Pu Dong
Dec 7
PVG5:30 pmShanghai Pu Dong
29h 34m
2 stops
SEA7:04 amSeattle/Tacoma Intl
$834
Find similar
Cathay Pacific
Apr 9
SEA11:41 amSeattle/Tacoma Intl
21h 14m
2 stops
PVG11:55 pmShanghai Pu Dong
Apr 19
PVG2:30 pmShanghai Pu Dong
34h 40m
1 stop
SEA10:10 amSeattle/Tacoma Intl
$836
Find similar

Korean Air flights from Seattle to Shanghai

Our best Korean Air deals on Seattle to Shanghai flight tickets
Korean Air
Jan 20
SEA11:00 amSeattle/Tacoma Intl
33h 35m
1 stop
PVG12:35 pmShanghai Pu Dong
Feb 28
PVG2:00 pmShanghai Pu Dong
35h 00m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$705
Find similar
Korean Air
Jan 23
SEA2:02 pmSeattle/Tacoma Intl
27h 43m
2 stops
PVG9:45 amShanghai Pu Dong
Feb 25
PVG8:50 amShanghai Pu Dong
16h 10m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$710
Find similar
Korean Air
Feb 11
SEA11:00 amSeattle/Tacoma Intl
17h 25m
1 stop
PVG8:25 pmShanghai Pu Dong
Feb 20
PVG11:20 amShanghai Pu Dong
21h 38m
2 stops
SEA4:58 pmSeattle/Tacoma Intl
$716
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 November 21, 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

Tue 1/20

11:00 am-8:25 pm

1 stop17h 25m

Shanghai Pu Dong

Sat 2/28

8:50 am-9:00 am

1 stop16h 10m

$705

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Fri 1/23

2:02 pm-9:45 am

2 stops27h 43m

Shanghai Pu Dong

Wed 2/25

8:50 am-9:00 am

1 stop16h 10m

$710

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 2/11

11:00 am-8:25 pm

1 stop17h 25m

Shanghai Pu Dong

Fri 2/20

11:20 am-4:58 pm

2 stops21h 38m

$716

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 1/18

12:10 am-9:45 am

1 stop17h 35m

Shanghai Hongqiao Intl

Wed 2/25

10:55 am-1:55 pm

1 stop19h 00m

$724

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 1/18

1:30 pm-5:10 pm

2 stops35h 40m

Shanghai Hongqiao Intl

Sat 2/14

6:25 pm-9:00 am

1 stop30h 35m

$729

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 3/14

11:00 am-7:40 pm

1 stop17h 40m

Shanghai Hongqiao Intl

Fri 4/3

7:00 pm-9:00 am

1 stop29h 00m

$734

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 3/21

11:00 am-7:40 pm

1 stop17h 40m

Shanghai Hongqiao Intl

Fri 4/10

7:00 pm-9:00 am

1 stop29h 00m

$741

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Fri 3/13

12:10 am-10:05 am

1 stop18h 55m

Shanghai Pu Dong

Fri 4/3

4:25 pm-2:55 pm

1 stop13h 30m

$755

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 1/18

12:10 am-12:05 am

2 stops55h 55m

Shanghai Pu Dong

Wed 2/25

11:45 am-8:05 am

1 stop36h 20m

$779

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 1/21

12:10 am-12:05 am

2 stops31h 55m

Shanghai Pu Dong

Wed 2/25

11:45 am-8:05 am

1 stop36h 20m

$793

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 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 $1,121 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
8.2
55 reviews
Search Hainan Airlines flights
DeltaPriceFrom $505Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Asiana AirlinesPriceFrom $602Free CancellationRating
8.2
488 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,170 reviews
Search Korean Air flights
Air CanadaPriceFrom $719Free CancellationRating
7.1
10,464 reviews
Search Air Canada flights
China AirlinesPriceFrom $825Free CancellationRating
8.3
782 reviews
Search China Airlines flights
ANAPriceFrom $915Free CancellationRating
8.4
1,009 reviews
Search ANA flights
EVA AirPriceFrom $1,031Free CancellationRating
8.4
1,281 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