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Cheap flights from Seattle to Shanghai from $383

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 4/14. 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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Find the cheapest flights from Seattle to Shanghai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
12:55 am - 9:45 am
SEA
-
SHA
17h 50m
1 stop
Asiana Airlines Logo
10:55 am - 2:55 pm
SHA
-
SEA
19h 00m
1 stop
$691Asiana Airlines
Thu, Sep 3 - Sun, Sep 20
Asiana Airlines Logo
12:55 am - 9:45 am
SEA
-
SHA
17h 50m
1 stop
Asiana Airlines Logo
10:55 am - 2:55 pm
SHA
-
SEA
19h 00m
1 stop
$693Asiana Airlines
Tue, Sep 15 - Thu, Oct 15
ANA Logo
4:30 pm - 12:15 pm
SEA
-
SHA
28h 45m
1 stop
ANA Logo
1:35 pm - 2:25 pm
SHA
-
SEA
15h 50m
1 stop
$710ANA
Tue, Apr 28 - Thu, May 7
ANA Logo
4:30 pm - 12:15 pm
SEA
-
SHA
28h 45m
1 stop
ANA Logo
1:35 pm - 2:25 pm
SHA
-
SEA
15h 50m
1 stop
$711ANA
Tue, Apr 28 - Thu, May 7
Asiana Airlines Logo
12:55 am - 9:45 am
SEA
-
SHA
17h 50m
1 stop
Asiana Airlines Logo
10:55 am - 2:55 pm
SHA
-
SEA
19h 00m
1 stop
$712Asiana Airlines
Thu, Aug 27 - Thu, Sep 24
Asiana Airlines Logo
12:55 am - 9:45 am
SEA
-
SHA
17h 50m
1 stop
Asiana Airlines Logo
10:55 am - 2:55 pm
SHA
-
SEA
19h 00m
1 stop
$720Asiana Airlines
Thu, Aug 27 - Thu, Sep 24
Asiana Airlines Logo
12:55 am - 9:45 am
SEA
-
SHA
17h 50m
1 stop
Asiana Airlines Logo
10:55 am - 2:55 pm
SHA
-
SEA
19h 00m
1 stop
$724Asiana Airlines
Sun, Sep 13 - Tue, Sep 22
Korean Air Logo
1:20 pm - 5:05 pm
SEA
-
SHA
36h 45m
1 stop
Korean Air Logo
6:25 pm - 10:40 am
SHA
-
SEA
31h 15m
1 stop
$725Korean Air
Thu, Aug 27 - Sun, Sep 20
Korean Air Logo
12:50 pm - 5:05 pm
SEA
-
SHA
37h 15m
1 stop
Korean Air Logo
6:25 pm - 5:16 pm
SHA
-
SEA
37h 51m
2 stops
$736Korean Air
Tue, Apr 7 - Mon, Apr 27
ANA Logo
4:30 pm - 12:15 pm
SEA
-
SHA
28h 45m
1 stop
ANA Logo
1:35 pm - 2:25 pm
SHA
-
SEA
15h 50m
1 stop
$738ANA
Tue, Apr 28 - Tue, May 5

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
Sep 3
SEA12:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SHA9:45 amShanghai Hongqiao Intl
Sep 18
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$691
Asiana Airlines
Sep 15
SEA12:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SHA9:45 amShanghai Hongqiao Intl
Oct 15
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$693
Asiana Airlines
Aug 27
SEA12:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SHA9:45 amShanghai Hongqiao Intl
Sep 24
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$712

ANA flights from Seattle to Shanghai Hongqiao Intl Airport

Our best ANA deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
ANA
Apr 28
SEA4:30 pmSeattle/Tacoma Intl
28h 45m
1 stop
SHA12:15 pmShanghai Hongqiao Intl
May 7
SHA1:35 pmShanghai Hongqiao Intl
15h 50m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$710
ANA
Apr 28
SEA4:30 pmSeattle/Tacoma Intl
28h 45m
1 stop
SHA12:15 pmShanghai Hongqiao Intl
May 7
SHA1:35 pmShanghai Hongqiao Intl
15h 50m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$711
ANA
Apr 28
SEA4:30 pmSeattle/Tacoma Intl
28h 45m
1 stop
SHA12:15 pmShanghai Hongqiao Intl
May 5
SHA1:35 pmShanghai Hongqiao Intl
15h 50m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$738

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 March 24, 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
Quickest round-trip

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 9/3

12:55 am-9:45 am

1 stop17h 50m

Shanghai Hongqiao Intl

Sun 9/20

10:55 am-2:55 pm

1 stop19h 00m

$691

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 9/15

12:55 am-9:45 am

1 stop17h 50m

Shanghai Hongqiao Intl

Thu 10/15

10:55 am-2:55 pm

1 stop19h 00m

$693

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 4/28

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Thu 5/7

1:35 pm-2:25 pm

1 stop15h 50m

$710

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 4/28

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Thu 5/7

1:35 pm-2:25 pm

1 stop15h 50m

$711

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 8/27

12:55 am-9:45 am

1 stop17h 50m

Shanghai Hongqiao Intl

Thu 9/24

10:55 am-2:55 pm

1 stop19h 00m

$712

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 8/27

12:55 am-9:45 am

1 stop17h 50m

Shanghai Hongqiao Intl

Thu 9/24

10:55 am-2:55 pm

1 stop19h 00m

$720

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 9/13

12:55 am-9:45 am

1 stop17h 50m

Shanghai Hongqiao Intl

Tue 9/22

10:55 am-2:55 pm

1 stop19h 00m

$724

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 8/27

1:20 pm-5:05 pm

1 stop36h 45m

Shanghai Hongqiao Intl

Sun 9/20

6:25 pm-10:40 am

1 stop31h 15m

$725

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 4/7

12:50 pm-5:05 pm

1 stop37h 15m

Shanghai Hongqiao Intl

Mon 4/27

6:25 pm-5:16 pm

2 stops37h 51m

$736

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 4/28

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Tue 5/5

1:35 pm-2:25 pm

1 stop15h 50m

$738

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 April. Flight prices, which tend to average around $704, 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 March 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 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 $1,001 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 $796 on momondo.

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

As of March 2026, prices for Seattle to Shanghai Hongqiao Intl Airport flights are approximately 29% 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

  • 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
506 reviews
Search Asiana Airlines flights
DeltaPriceFrom $483Free CancellationRating
7.9
8,327 reviews
Search Delta flights
Hainan AirlinesPriceFrom $537Free CancellationRating
8.3
63 reviews
Search Hainan Airlines flights
Air CanadaPriceFrom $594Free CancellationRating
7.1
10,837 reviews
Search Air Canada flights
ANAPriceFrom $660Free CancellationRating
8.4
1,142 reviews
Search ANA flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,202 reviews
Search Korean Air flights
Cathay PacificPriceFrom $689Free CancellationRating
7.6
1,228 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $810Free CancellationRating
8.3
817 reviews
Search China Airlines flights
EVA AirPriceFrom $1,057Free CancellationRating
8.5
1,390 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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