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Cheap flights from Seattle to Shanghai from $469

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 8/29. 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

Asiana Airlines Logo
2:30 pm - 5:00 pmSEA-SHA
35h 30m1 stop
Asiana Airlines Logo
6:10 pm - 12:30 pmSHA-SEA
33h 20m1 stop
$891Asiana Airlines
Find Deal
Fri, Aug 29 - Mon, Sep 15
Asiana Airlines Logo
2:30 pm - 5:00 pmSEA-SHA
35h 30m1 stop
Asiana Airlines Logo
6:10 pm - 1:55 pmSHA-SEA
35h 45m1 stop
$892Asiana Airlines
Find Deal
Tue, Aug 19 - Sat, Dec 20
Hainan Airlines Logo
11:00 am - 11:05 pmSEA-SHA
21h 05m1 stop
Hainan Airlines Logo
8:35 am - 8:00 amSHA-SEA
15h 25m1 stop
$903Hainan Airlines
Find Deal
Tue, Oct 14 - Tue, Nov 11
Korean Air Logo
1:20 pm - 5:05 pmSEA-SHA
36h 45m1 stop
Korean Air Logo
6:25 pm - 10:40 amSHA-SEA
31h 15m1 stop
$904Korean Air
Find Deal
Sun, Aug 17 - Mon, Sep 1
Korean Air Logo
12:50 pm - 5:05 pmSEA-SHA
37h 15m1 stop
Korean Air Logo
6:25 pm - 10:40 amSHA-SEA
31h 15m1 stop
$905Korean Air
Find Deal
Fri, Sep 12 - Mon, Oct 13
Hainan Airlines Logo
11:00 am - 11:05 pmSEA-SHA
21h 05m1 stop
Hainan Airlines Logo
7:00 pm - 9:00 amSHA-SEA
29h 00m1 stop
$919Hainan Airlines
Find Deal
Sat, Sep 6 - Fri, Sep 12
ANA Logo
4:30 pm - 12:15 pmSEA-SHA
28h 45m1 stop
ANA Logo
1:40 pm - 1:20 pmSHA-SEA
15h 40m1 stop
$949ANA
Find Deal
Sun, Oct 19 - Mon, Nov 17
ANA Logo
10:05 am - 12:25 pmSEA-SHA
34h 20m2 stops
ANA Logo
1:40 pm - 7:16 pmSHA-SEA
21h 36m2 stops
$961ANA
Find Deal
Sun, Nov 30 - Tue, Jan 13
Logo
7:15 pm - 8:55 pmSEA-SHA
34h 40m2 stops
Logo
11:30 am - 6:36 pmSHA-SEA
22h 06m2 stops
$978
Find Deal
Sun, Sep 21 - Sun, Oct 12
Logo
5:30 am - 9:15 pmSEA-SHA
24h 45m2 stops
Logo
1:35 pm - 2:25 pmSHA-SEA
15h 50m1 stop
$998
Find Deal
Mon, Sep 15 - Mon, Sep 22

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 27
SEA2:32 pmSeattle/Tacoma Intl
30h 33m
2 stops
SHA12:05 pmShanghai Hongqiao Intl
Sep 17
SHA1:20 pmShanghai Hongqiao Intl
23h 38m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
$1,010
Find similar
Cathay Pacific
Aug 12
SEA8:26 pmSeattle/Tacoma Intl
24h 39m
2 stops
SHA12:05 pmShanghai Hongqiao Intl
Sep 1
SHA10:30 pmShanghai Hongqiao Intl
38h 03m
2 stops
SEA9:33 pmSeattle/Tacoma Intl
$1,025
Find similar
Cathay Pacific
Aug 14
SEA11:44 amSeattle/Tacoma Intl
33h 21m
2 stops
SHA12:05 pmShanghai Hongqiao Intl
Sep 1
SHA10:30 pmShanghai Hongqiao Intl
38h 03m
2 stops
SEA9:33 pmSeattle/Tacoma Intl
$1,035
Find similar

Asiana Airlines flights from Seattle to Shanghai Hongqiao Intl Airport

Our best Asiana Airlines deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
Asiana Airlines
Aug 29
SEA2:30 pmSeattle/Tacoma Intl
35h 30m
1 stop
SHA5:00 pmShanghai Hongqiao Intl
Sep 15
SHA6:10 pmShanghai Hongqiao Intl
33h 20m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
$891
Find similar
Asiana Airlines
Aug 19
SEA2:30 pmSeattle/Tacoma Intl
35h 30m
1 stop
SHA5:00 pmShanghai Hongqiao Intl
Dec 20
SHA6:10 pmShanghai Hongqiao Intl
35h 45m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$892
Find similar
Asiana Airlines
Aug 27
SEA2:30 pmSeattle/Tacoma Intl
35h 30m
1 stop
SHA5:00 pmShanghai Hongqiao Intl
Sep 3
SHA6:10 pmShanghai Hongqiao Intl
33h 20m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
$893
Find similar

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, 2025.
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

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Fri 8/29

2:30 pm-5:00 pm

1 stop35h 30m

Shanghai Hongqiao Intl

Mon 9/15

6:10 pm-12:30 pm

1 stop33h 20m

$891

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 8/19

2:30 pm-5:00 pm

1 stop35h 30m

Shanghai Hongqiao Intl

Sat 12/20

6:10 pm-1:55 pm

1 stop35h 45m

$892

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 10/14

11:00 am-11:05 pm

1 stop21h 05m

Shanghai Hongqiao Intl

Tue 11/11

8:35 am-8:00 am

1 stop15h 25m

$903

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 8/17

1:20 pm-5:05 pm

1 stop36h 45m

Shanghai Hongqiao Intl

Mon 9/1

6:25 pm-10:40 am

1 stop31h 15m

$904

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Fri 9/12

12:50 pm-5:05 pm

1 stop37h 15m

Shanghai Hongqiao Intl

Mon 10/13

6:25 pm-10:40 am

1 stop31h 15m

$905

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 9/6

11:00 am-11:05 pm

1 stop21h 05m

Shanghai Hongqiao Intl

Fri 9/12

7:00 pm-9:00 am

1 stop29h 00m

$919

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 10/19

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Mon 11/17

1:40 pm-1:20 pm

1 stop15h 40m

$949

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 11/30

10:05 am-12:25 pm

2 stops34h 20m

Shanghai Hongqiao Intl

Tue 1/13

1:40 pm-7:16 pm

2 stops21h 36m

$961

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 9/21

7:15 pm-8:55 pm

2 stops34h 40m

Shanghai Hongqiao Intl

Sun 10/12

11:30 am-6:36 pm

2 stops22h 06m

$978

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 9/15

5:30 am-9:15 pm

2 stops24h 45m

Shanghai Hongqiao Intl

Mon 9/22

1:35 pm-2:25 pm

1 stop15h 50m

$998

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 cheapest month to fly to Shanghai Hongqiao Intl Airport?

The cheapest month to fly to Shanghai Hongqiao Intl Airport from Seattle is in March. Flight prices, which tend to average around $997, 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 March, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $1,013.

What is the cheapest day to depart on your flight to Shanghai Hongqiao Intl Airport?

The cheapest day to depart from Seattle to Shanghai Hongqiao Intl Airport is on a Tuesday. Travelers who choose to depart for Shanghai Hongqiao Intl Airport on a Tuesday will often find tickets for as low as $1,291. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,524.

What is the cheapest time of day to depart on your flight to Shanghai Hongqiao Intl Airport?

Our most recent data shows that the best time of day to fly to Shanghai Hongqiao Intl Airport is in the evening. Flights from Seattle to Shanghai Hongqiao Intl Airport during this time can be as low as $1,269. Try not to purchase tickets in the morning because they tend to be around $1,503. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight 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 $1,178 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 $845 on momondo.

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

As of August 2025, prices for Seattle to Shanghai Hongqiao Intl Airport flights are approximately 26% 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

$469

Fastest flight time

17h 40m

Direct flights

None
The best one-way flight to Shanghai Hongqiao Intl Airport from Seattle in the past 72 hours is $469. The best round-trip flight deal from Seattle to Shanghai Hongqiao Intl Airport found on momondo in the last 72 hours is $891.
The fastest flight from Seattle to Shanghai Hongqiao Intl Airport takes 17h 40m
There are no direct flights from Seattle to Shanghai Hongqiao Intl Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Shanghai Hongqiao Intl Airport.
Search flight deals

  • 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 17h 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
Hainan AirlinesPriceFrom $537Free CancellationRating
8.2
43 reviews
Search Hainan Airlines flights
DeltaPriceFrom $543Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Air CanadaPriceFrom $719Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
China AirlinesPriceFrom $825Free CancellationRating
8.3
754 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $879Free CancellationRating
8.2
468 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $907Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights
ANAPriceFrom $975Free CancellationRating
8.4
922 reviews
Search ANA flights
EVA AirPriceFrom $1,049Free CancellationRating
8.4
1,220 reviews
Search EVA Air 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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