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Cheap flights from Seattle to Shanghai from $423

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Shanghai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hainan Airlines Logo
10:20 am - 10:40 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
20h 20m1 stop Beijing Capital
Hainan Airlines Logo
8:30 am - 8:20 amSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
15h 50m1 stop Beijing Capital
$857Hainan Airlines
Tue, Nov 17 - Sat, Nov 28
Hainan Airlines Logo
10:20 am - 9:35 amSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
31h 15m1 stop Beijing Capital
Hainan Airlines Logo
8:30 am - 8:20 amSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
15h 50m1 stop Beijing Capital
$870Hainan Airlines
Tue, Nov 17 - Tue, Dec 15
Hainan Airlines Logo
11:00 am - 7:40 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
17h 40m1 stop Beijing Capital
Hainan Airlines Logo
8:30 am - 8:20 amSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
15h 50m1 stop Beijing Capital
$877Hainan Airlines
Sat, Oct 24 - Sat, Nov 7
Multiple Airlines Logo
11:30 am - 10:40 amSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
31h 10m2 stops Los Angeles Xiamen Gaoqi Intl
Multiple Airlines Logo
6:10 pm - 9:00 amSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
30h 50m2 stops Xiamen Gaoqi Intl Los Angeles
$891Multiple Airlines
Tue, Nov 24 - Tue, Dec 8
ANA Logo
4:40 pm - 12:25 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
28h 45m1 stop Tokyo Haneda
ANA Logo
1:40 pm - 6:22 pmSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
20h 42m2 stops Tokyo Haneda Vancouver Intl
$909ANA
Mon, Oct 26 - Thu, Dec 17
ANA Logo
7:32 pm - 12:25 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
24h 53m2 stops San Francisco Tokyo Haneda
ANA Logo
1:40 pm - 6:22 pmSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
20h 42m2 stops Tokyo Haneda Vancouver Intl
$909ANA
Wed, Jan 20 - Wed, Jan 27
Multiple Airlines Logo
8:40 am - 10:55 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
22h 15m2 stops Vancouver Intl Beijing Capital
Multiple Airlines Logo
2:00 pm - 6:22 pmSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
20h 22m2 stops Beijing Capital Vancouver Intl
$937Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
Cathay Pacific Logo
10:25 am - 12:20 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
33h 55m1 stop Hong Kong Intl
Cathay Pacific Logo
1:35 pm - 8:45 amSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
35h 10m1 stop Hong Kong Intl
$976Cathay Pacific
Wed, Jan 27 - Wed, Feb 10
Cathay Pacific Logo
11:25 am - 12:20 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
33h 55m1 stop Hong Kong Intl
Cathay Pacific Logo
4:50 pm - 10:05 amSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
32h 15m1 stop Hong Kong Intl
$976Cathay Pacific
Tue, Mar 23 - Tue, Apr 27
Korean Air Logo
12:10 am - 5:05 pmSEA  Seattle/Tacoma Intl-SHA Shanghai Hongqiao Intl
25h 55m1 stop Incheon Intl
Korean Air Logo
10:55 am - 2:10 pmSHA  Shanghai Hongqiao Intl-SEA Seattle/Tacoma Intl
19h 15m1 stop Seoul Gimpo Intl
$14,058Korean Air
Tue, Oct 13 - Mon, Nov 2

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ANA flights from Seattle to Shanghai Hongqiao Intl Airport

Our best ANA deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
ANA
Jan 20
SEA7:32 pmSeattle/Tacoma Intl
24h 53m
2 stops
SHA12:25 pmShanghai Hongqiao Intl
Jan 27
SHA1:40 pmShanghai Hongqiao Intl
20h 42m
2 stops
SEA6:22 pmSeattle/Tacoma Intl
$909
ANA
Nov 3
SEA3:40 pmSeattle/Tacoma Intl
28h 45m
1 stop
SHA12:25 pmShanghai Hongqiao Intl
Nov 25
SHA1:40 pmShanghai Hongqiao Intl
15h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$910
ANA
Jan 27
SEA3:45 pmSeattle/Tacoma Intl
28h 40m
1 stop
SHA12:25 pmShanghai Hongqiao Intl
Feb 18
SHA1:40 pmShanghai Hongqiao Intl
15h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$911

Hainan Airlines flights from Seattle to Shanghai Hongqiao Intl Airport

Our best Hainan Airlines deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
Hainan Airlines
Nov 17
SEA10:20 amSeattle/Tacoma Intl
20h 20m
1 stop
SHA10:40 pmShanghai Hongqiao Intl
Nov 28
SHA8:30 amShanghai Hongqiao Intl
15h 50m
1 stop
SEA8:20 amSeattle/Tacoma Intl
$857
Hainan Airlines
Nov 17
SEA10:20 amSeattle/Tacoma Intl
31h 15m
1 stop
SHA9:35 amShanghai Hongqiao Intl
Dec 15
SHA8:30 amShanghai Hongqiao Intl
15h 50m
1 stop
SEA8:20 amSeattle/Tacoma Intl
$870
Hainan Airlines
Oct 24
SEA11:00 amSeattle/Tacoma Intl
17h 40m
1 stop
SHA7:40 pmShanghai Hongqiao Intl
Nov 7
SHA8:30 amShanghai Hongqiao Intl
15h 50m
1 stop
SEA8:20 amSeattle/Tacoma Intl
$877

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Shanghai Hongqiao Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Tue 11/17

10:20 am-10:40 pm

1 stop20h 20m

Shanghai Hongqiao Intl

Sat 11/28

8:30 am-8:20 am

1 stop15h 50m

$857

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Tue 11/17

10:20 am-9:35 am

1 stop31h 15m

Shanghai Hongqiao Intl

Tue 12/15

8:30 am-8:20 am

1 stop15h 50m

$870
Quickest round-trip

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Sat 10/24

11:00 am-7:40 pm

1 stop17h 40m

Shanghai Hongqiao Intl

Sat 11/7

8:30 am-8:20 am

1 stop15h 50m

$877

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Tue 11/24

11:30 am-10:40 am

2 stops31h 10m

Shanghai Hongqiao Intl

Tue 12/8

6:10 pm-9:00 am

2 stops30h 50m

$891

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Mon 10/26

4:40 pm-12:25 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Thu 12/17

1:40 pm-6:22 pm

2 stops20h 42m

$909

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Wed 1/20

7:32 pm-12:25 pm

2 stops24h 53m

Shanghai Hongqiao Intl

Wed 1/27

1:40 pm-6:22 pm

2 stops20h 42m

$909

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Mon 11/9

8:40 am-10:55 pm

2 stops22h 15m

Shanghai Hongqiao Intl

Mon 11/16

2:00 pm-6:22 pm

2 stops20h 22m

$937

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Wed 1/27

10:25 am-12:20 pm

1 stop33h 55m

Shanghai Hongqiao Intl

Wed 2/10

1:35 pm-8:45 am

1 stop35h 10m

$976

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Tue 3/23

11:25 am-12:20 pm

1 stop33h 55m

Shanghai Hongqiao Intl

Tue 4/27

4:50 pm-10:05 am

1 stop32h 15m

$976

SeattleShanghai

SEA Seattle/Tacoma Intl - SHA Shanghai Hongqiao Intl

SEASHA

Seattle/Tacoma Intl

Tue 10/13

12:10 am-5:05 pm

1 stop25h 55m

Shanghai Hongqiao Intl

Mon 11/2

10:55 am-2:10 pm

1 stop19h 15m

$14,058

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 Hongqiao Intl Airport

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 Hongqiao Intl Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from $754 to $972.
The lowest price recently found on this route was $857.

What is the cheapest month to fly to Shanghai Hongqiao Intl Airport?

The cheapest month to fly to Shanghai Hongqiao Intl Airport from Seattle is in April. Flight prices, which tend to average around $705, are often lower during this time because this is during the off-season. If you don’t want to visit Shanghai Hongqiao Intl Airport in April, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $706.

How far in advance should I book a flight from Seattle to Shanghai Hongqiao Intl Airport?

You are more likely to see cheaper flights to Shanghai Hongqiao Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Shanghai Hongqiao Intl Airport for around $1,000 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shanghai Hongqiao Intl Airport from Seattle for as low as $734 on momondo.

How have Seattle to Shanghai Hongqiao Intl Airport flight prices changed over time?

As of September 2026, prices for Seattle to Shanghai Hongqiao Intl Airport flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Shanghai Hongqiao Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Shanghai Hongqiao Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Shanghai Hongqiao Intl Airport (SEA to SHA) flight deals and tips

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

Best Price Found

$423

Fastest flight time

12h 40m

Direct flights

None
The best one-way flight to Shanghai Hongqiao Intl Airport from Seattle in the past 72 hours is $423. The best round-trip flight deal from Seattle to Shanghai Hongqiao Intl Airport found on momondo in the last 72 hours is $857.
The fastest flight from Seattle to Shanghai Hongqiao Intl Airport takes 12h 40m
There are no direct flights from Seattle to Shanghai Hongqiao Intl Airport. There are no popular flight routes from Seattle to Shanghai Hongqiao Intl Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Shanghai Hongqiao Intl Airport

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

    Shanghai Hongqiao Intl is 5710.7 mi away from Seattle/Tacoma Intl. Flights usually cover this in 12h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Shanghai Hongqiao Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Shanghai Hongqiao Intl Airport.

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

    The travel and health documents you'll need for your trip to Shanghai Hongqiao Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shanghai Hongqiao Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Shanghai Hongqiao Intl Airport?

Best airlines flying from Seattle to Shanghai Hongqiao Intl Airport

Compare and see reviews for airlines that fly from Seattle to Shanghai Hongqiao Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $561Free CancellationRating
7.8
8,611 reviews
Search Delta flights
Asiana AirlinesPriceFrom $625Free CancellationRating
8.1
563 reviews
Search Asiana Airlines flights
ANAPriceFrom $660Free CancellationRating
8.3
1,320 reviews
Search ANA flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
Cathay PacificPriceFrom $689Free CancellationRating
7.6
1,506 reviews
Search Cathay Pacific flights
Hainan AirlinesPriceFrom $724Free CancellationRating
8.3
71 reviews
Search Hainan Airlines flights
Air CanadaPriceFrom $874Free CancellationRating
7.1
11,706 reviews
Search Air Canada flights
China AirlinesPriceFrom $1,060Free CancellationRating
8.3
847 reviews
Search China Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Shanghai. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Seattle to Shanghai on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Shanghai flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Seattle to Shanghai now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shanghai and let you know when they change.

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