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Cheap flights from Seattle to Shanghai from $378

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 1/19. 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

Enter your travel dates to find the best prices.
ANA Logo
3:45 pm - 12:25 pm
SEA
-
SHA
28h 40m1 stop
ANA Logo
1:40 pm - 1:20 pm
SHA
-
SEA
15h 40m1 stop
$706ANA
mar., ene. 13 - mar., ene. 27
Asiana Airlines Logo
12:10 am - 9:45 am
SEA
-
SHA
17h 35m1 stop
Asiana Airlines Logo
10:55 am - 1:55 pm
SHA
-
SEA
19h 00m1 stop
$724Asiana Airlines
sáb., ene. 10 - vie., ene. 23
Korean Air Logo
12:50 pm - 5:05 pm
SEA
-
SHA
37h 15m1 stop
Korean Air Logo
6:25 pm - 10:40 am
SHA
-
SEA
31h 15m1 stop
$725Korean Air
lun., abr. 13 - jue., abr. 30
Korean Air Logo
5:40 pm - 5:10 pm
SEA
-
SHA
31h 30m2 stops
Korean Air Logo
6:25 pm - 9:00 am
SHA
-
SEA
30h 35m1 stop
$729Korean Air
mar., ene. 13 - jue., ene. 22
ANA Logo
5:10 pm - 12:25 pm
SEA
-
SHA
27h 15m2 stops
ANA Logo
1:40 pm - 7:16 pm
SHA
-
SEA
21h 36m2 stops
$730ANA
sáb., ene. 24 - lun., feb. 2
ANA Logo
3:45 pm - 12:25 pm
SEA
-
SHA
28h 40m1 stop
ANA Logo
1:40 pm - 1:20 pm
SHA
-
SEA
15h 40m1 stop
$734ANA
sáb., ene. 24 - lun., feb. 2
ANA Logo
5:10 pm - 12:25 pm
SEA
-
SHA
27h 15m2 stops
ANA Logo
1:40 pm - 1:20 pm
SHA
-
SEA
15h 40m1 stop
$738ANA
sáb., ene. 24 - lun., feb. 2
ANA Logo
10:05 am - 12:25 pm
SEA
-
SHA
34h 20m2 stops
ANA Logo
1:40 pm - 1:20 pm
SHA
-
SEA
15h 40m1 stop
$741ANA
lun., ene. 19 - sáb., ene. 31
Hainan Airlines Logo
11:00 am - 7:40 pm
SEA
-
SHA
17h 40m1 stop
Hainan Airlines Logo
8:20 am - 9:00 am
SHA
-
SEA
15h 40m1 stop
$755Hainan Airlines
mar., mar. 24 - mar., abr. 14
ANA Logo
3:45 pm - 12:25 pm
SEA
-
SHA
28h 40m1 stop
ANA Logo
1:40 pm - 1:20 pm
SHA
-
SEA
15h 40m1 stop
$779ANA
dom., feb. 8 - mié., feb. 25

ANA flights from Seattle to Shanghai Hongqiao Intl Airport

Our best ANA deals on Seattle to Shanghai Hongqiao Intl Airport flight tickets
ANA
Jan 13
SEA3:45 pmSeattle/Tacoma Intl
28h 40m
1 stop
SHA12:25 pmShanghai Hongqiao Intl
Jan 27
SHA1:40 pmShanghai Hongqiao Intl
15h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$706
Find similar
ANA
Jan 27
SEA5:10 pmSeattle/Tacoma Intl
27h 15m
2 stops
SHA12:25 pmShanghai Hongqiao Intl
Feb 4
SHA1:40 pmShanghai Hongqiao Intl
21h 36m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$708
Find similar
ANA
Jan 27
SEA3:45 pmSeattle/Tacoma Intl
28h 40m
1 stop
SHA12:25 pmShanghai Hongqiao Intl
Feb 4
SHA1:40 pmShanghai Hongqiao Intl
15h 40m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$711
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
Jan 10
SEA12:10 amSeattle/Tacoma Intl
17h 35m
1 stop
SHA9:45 amShanghai Hongqiao Intl
Jan 23
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$724
Find similar
Asiana Airlines
Jan 24
SEA12:10 amSeattle/Tacoma Intl
17h 35m
1 stop
SHA9:45 amShanghai Hongqiao Intl
Mar 6
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$824
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 diciembre 4, 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

mar. 1/13

3:45 pm-12:25 pm

1 stop28h 40m

Shanghai Hongqiao Intl

mar. 1/27

1:40 pm-1:20 pm

1 stop15h 40m

$706

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

sáb. 1/10

12:10 am-9:45 am

1 stop17h 35m

Shanghai Hongqiao Intl

vie. 1/23

10:55 am-1:55 pm

1 stop19h 00m

$724

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

lun. 4/13

12:50 pm-5:05 pm

1 stop37h 15m

Shanghai Hongqiao Intl

jue. 4/30

6:25 pm-10:40 am

1 stop31h 15m

$725

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 1/13

5:40 pm-5:10 pm

2 stops31h 30m

Shanghai Hongqiao Intl

jue. 1/22

6:25 pm-9:00 am

1 stop30h 35m

$729

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

sáb. 1/24

5:10 pm-12:25 pm

2 stops27h 15m

Shanghai Hongqiao Intl

lun. 2/2

1:40 pm-7:16 pm

2 stops21h 36m

$730

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

sáb. 1/24

3:45 pm-12:25 pm

1 stop28h 40m

Shanghai Hongqiao Intl

lun. 2/2

1:40 pm-1:20 pm

1 stop15h 40m

$734

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

sáb. 1/24

5:10 pm-12:25 pm

2 stops27h 15m

Shanghai Hongqiao Intl

lun. 2/2

1:40 pm-1:20 pm

1 stop15h 40m

$738

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

lun. 1/19

10:05 am-12:25 pm

2 stops34h 20m

Shanghai Hongqiao Intl

sáb. 1/31

1:40 pm-1:20 pm

1 stop15h 40m

$741

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 3/24

11:00 am-7:40 pm

1 stop17h 40m

Shanghai Hongqiao Intl

mar. 4/14

8:20 am-9:00 am

1 stop15h 40m

$755

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

dom. 2/8

3:45 pm-12:25 pm

1 stop28h 40m

Shanghai Hongqiao Intl

mié. 2/25

1:40 pm-1:20 pm

1 stop15h 40m

$779

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?

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 October. Flight prices, which tend to average around $892, 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 October, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of $986.

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 $1,122 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 $805 on momondo.

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

As of December 2025, 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 30m

Direct flights

None
The fastest flight from Seattle to Shanghai Hongqiao Intl Airport takes 12h 30m
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 17h 35m, 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
8.2
490 reviews
Search Asiana Airlines flights
Hainan AirlinesPriceFrom $472Free CancellationRating
8.3
58 reviews
Search Hainan Airlines flights
DeltaPriceFrom $499Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air CanadaPriceFrom $594Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
Korean AirPriceFrom $694Free CancellationRating
8.4
1,179 reviews
Search Korean Air flights
ANAPriceFrom $778Free CancellationRating
8.4
1,017 reviews
Search ANA flights
China AirlinesPriceFrom $810Free CancellationRating
8.3
787 reviews
Search China Airlines flights
EVA AirPriceFrom $1,057Free CancellationRating
8.4
1,292 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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