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Cheap flights from Seattle to Shanghai from $444

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Asiana Airlines Logo
12:10 am - 9:45 am
SEA
-
SHA
18h 35m
1 stop
Asiana Airlines Logo
10:55 am - 3:15 pm
SHA
-
SEA
19h 20m
1 stop
$889Asiana Airlines
Sun, Aug 23 - Tue, Sep 8
Hainan Airlines Logo
11:20 am - 10:35 am
SEA
-
SHA
32h 15m
1 stop
Hainan Airlines Logo
11:50 am - 8:20 am
SHA
-
SEA
36h 30m
1 stop
$892Hainan Airlines
Tue, Oct 27 - Fri, Nov 6
Hainan Airlines Logo
10:20 am - 10:40 pm
SEA
-
SHA
20h 20m
1 stop
Hainan Airlines Logo
8:35 am - 8:20 am
SHA
-
SEA
15h 45m
1 stop
$892Hainan Airlines
Tue, Nov 17 - Sat, Nov 28
Asiana Airlines Logo
12:10 am - 5:15 pm
SEA
-
SHA
25h 05m
1 stop
Asiana Airlines Logo
6:15 pm - 1:55 pm
SHA
-
SEA
35h 40m
1 stop
$902Asiana Airlines
Wed, Jan 13 - Sun, Jan 24
ANA Logo
4:30 pm - 12:15 pm
SEA
-
SHA
28h 45m
1 stop
ANA Logo
1:35 pm - 6:32 pm
SHA
-
SEA
19h 57m
2 stops
$905ANA
Tue, Sep 1 - Tue, Oct 13
Cathay Pacific Logo
12:25 pm - 12:05 pm
SEA
-
SHA
32h 40m
1 stop
Cathay Pacific Logo
1:20 pm - 10:05 am
SHA
-
SEA
35h 45m
1 stop
$907Cathay Pacific
Tue, Sep 8 - Tue, Sep 29
Cathay Pacific Logo
11:45 am - 8:55 pm
SEA
-
SHA
18h 10m
1 stop
Cathay Pacific Logo
10:30 pm - 10:05 am
SHA
-
SEA
26h 35m
1 stop
$907Cathay Pacific
Wed, Sep 16 - Mon, Sep 21
ANA Logo
4:30 pm - 12:15 pm
SEA
-
SHA
28h 45m
1 stop
ANA Logo
1:35 pm - 6:32 pm
SHA
-
SEA
19h 57m
2 stops
$908ANA
Tue, Sep 1 - Tue, Oct 13
Multiple Airlines Logo
7:56 pm - 12:05 pm
SEA
-
SHA
25h 09m
2 stops
Multiple Airlines Logo
1:35 pm - 10:10 am
SHA
-
SEA
35h 35m
1 stop
$925Multiple Airlines
Tue, Sep 29 - Sun, Nov 1
Multiple Airlines Logo
5:59 pm - 12:05 pm
SEA
-
SHA
27h 06m
2 stops
Multiple Airlines Logo
1:35 pm - 9:10 am
SHA
-
SEA
35h 35m
1 stop
$925Multiple Airlines
Tue, Oct 20 - Tue, Nov 10

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Cathay Pacific flights from Seattle to Shanghai Hongqiao Intl Airport

Our best Cathay Pacific deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
Cathay Pacific
Aug 25
SEA12:25 pmSeattle/Tacoma Intl
32h 40m
1 stop
SHA12:05 pmShanghai Hongqiao Intl
Sep 13
SHA10:30 pmShanghai Hongqiao Intl
26h 50m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$917
Cathay Pacific
Aug 11
SEA12:25 pmSeattle/Tacoma Intl
32h 40m
1 stop
SHA12:05 pmShanghai Hongqiao Intl
Oct 13
SHA1:20 pmShanghai Hongqiao Intl
35h 45m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$924
Cathay Pacific
Sep 30
SEA7:56 pmSeattle/Tacoma Intl
25h 09m
2 stops
SHA12:05 pmShanghai Hongqiao Intl
Nov 1
SHA1:35 pmShanghai Hongqiao Intl
35h 35m
1 stop
SEA10:10 amSeattle/Tacoma Intl
$956

ANA flights from Seattle to Shanghai Hongqiao Intl Airport

Our best ANA deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
ANA
Sep 1
SEA4:30 pmSeattle/Tacoma Intl
28h 45m
1 stop
SHA12:15 pmShanghai Hongqiao Intl
Oct 13
SHA1:35 pmShanghai Hongqiao Intl
19h 57m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$905
ANA
Sep 1
SEA5:20 pmSeattle/Tacoma Intl
27h 55m
2 stops
SHA12:15 pmShanghai Hongqiao Intl
Oct 13
SHA1:35 pmShanghai Hongqiao Intl
19h 57m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$908
ANA
Sep 1
SEA5:20 pmSeattle/Tacoma Intl
27h 55m
2 stops
SHA12:15 pmShanghai Hongqiao Intl
Oct 13
SHA1:35 pmShanghai Hongqiao Intl
15h 50m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$919

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Shanghai Hongqiao Intl Airport 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 August 1, 2026.
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 - SHA

SEASHA

Seattle/Tacoma Intl

Sun 8/23

12:10 am-9:45 am

1 stop18h 35m

Shanghai Hongqiao Intl

Tue 9/8

10:55 am-3:15 pm

1 stop19h 20m

$889

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 10/27

11:20 am-10:35 am

1 stop32h 15m

Shanghai Hongqiao Intl

Fri 11/6

11:50 am-8:20 am

1 stop36h 30m

$892
Quickest round-trip

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 11/17

10:20 am-10:40 pm

1 stop20h 20m

Shanghai Hongqiao Intl

Sat 11/28

8:35 am-8:20 am

1 stop15h 45m

$892

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 1/13

12:10 am-5:15 pm

1 stop25h 05m

Shanghai Hongqiao Intl

Sun 1/24

6:15 pm-1:55 pm

1 stop35h 40m

$902

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 9/1

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Tue 10/13

1:35 pm-6:32 pm

2 stops19h 57m

$905

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 9/8

12:25 pm-12:05 pm

1 stop32h 40m

Shanghai Hongqiao Intl

Tue 9/29

1:20 pm-10:05 am

1 stop35h 45m

$907

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 9/16

11:45 am-8:55 pm

1 stop18h 10m

Shanghai Hongqiao Intl

Mon 9/21

10:30 pm-10:05 am

1 stop26h 35m

$907

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 9/1

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Tue 10/13

1:35 pm-6:32 pm

2 stops19h 57m

$908

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 9/29

7:56 pm-12:05 pm

2 stops25h 09m

Shanghai Hongqiao Intl

Sun 11/1

1:35 pm-10:10 am

1 stop35h 35m

$925

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 10/20

5:59 pm-12:05 pm

2 stops27h 06m

Shanghai Hongqiao Intl

Tue 11/10

1:35 pm-9:10 am

1 stop35h 35m

$925

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $665 to $1,144.
The lowest price recently found on this route was $889.

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 $724.

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 $965 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 August 2026, prices for Seattle to Shanghai Hongqiao Intl Airport flights are approximately 28% 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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Seattle to Shanghai Hongqiao Intl Airport takes 12h 20m
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 20m, 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
Asiana AirlinesPriceFrom $437Free CancellationRating
8.1
555 reviews
Search Asiana Airlines flights
DeltaPriceFrom $583Free CancellationRating
7.8
8,497 reviews
Search Delta flights
ANAPriceFrom $660Free CancellationRating
8.3
1,289 reviews
Search ANA flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,223 reviews
Search Korean Air flights
Cathay PacificPriceFrom $689Free CancellationRating
7.6
1,436 reviews
Search Cathay Pacific flights
Hainan AirlinesPriceFrom $724Free CancellationRating
8.3
68 reviews
Search Hainan Airlines flights
China AirlinesPriceFrom $961Free CancellationRating
8.3
838 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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