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Cheap flights from Shanghai Hongqiao Intl Airport to Seattle from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Shanghai Hongqiao Intl Airport to Seattle departing on 3/16. 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 Shanghai Hongqiao Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
4:50 pm - 10:10 amSHA-SEA
32h 20m1 stop
Cathay Pacific Logo
12:15 pm - 12:05 pmSEA-SHA
32h 50m1 stop
$714Cathay Pacific
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Fri, May 15 - Tue, Jul 14
Hainan Airlines Logo
8:55 pm - 8:00 amSHA-SEA
27h 05m1 stop
Hainan Airlines Logo
10:00 am - 7:40 pmSEA-SHA
17h 40m1 stop
$780Hainan Airlines
Find Deal
Mon, Dec 22 - Tue, Dec 30
Hainan Airlines Logo
8:35 am - 8:00 amSHA-SEA
15h 25m1 stop
Hainan Airlines Logo
11:00 am - 7:40 pmSEA-SHA
17h 40m1 stop
$812Hainan Airlines
Find Deal
Tue, Jan 20 - Sat, Mar 21
Hainan Airlines Logo
8:35 am - 8:00 amSHA-SEA
15h 25m1 stop
Hainan Airlines Logo
10:05 am - 10:55 pmSEA-SHA
44h 50m2 stops
$818Hainan Airlines
Find Deal
Tue, Jan 20 - Thu, Feb 5
Hainan Airlines Logo
8:35 am - 8:00 amSHA-SEA
15h 25m1 stop
Hainan Airlines Logo
11:00 am - 7:40 pmSEA-SHA
17h 40m1 stop
$847Hainan Airlines
Find Deal
Sat, Jan 17 - Sat, Mar 21
Hainan Airlines Logo
11:50 am - 8:00 amSHA-SEA
36h 10m1 stop
Hainan Airlines Logo
11:00 am - 10:40 pmSEA-SHA
20h 40m1 stop
$861Hainan Airlines
Find Deal
Fri, Jan 16 - Sat, Mar 21
Multiple Airlines Logo
8:35 am - 8:00 amSHA-SEA
15h 25m1 stop
Multiple Airlines Logo
12:10 am - 4:50 pmSEA-SHA
25h 40m2 stops
$892Multiple Airlines
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Tue, Jan 20 - Sun, Mar 22
Asiana Airlines Logo
10:55 am - 1:55 pmSHA-SEA
19h 00m1 stop
Asiana Airlines Logo
12:10 am - 9:45 amSEA-SHA
17h 35m1 stop
$900Asiana Airlines
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Thu, Dec 25 - Mon, Jan 5
Asiana Airlines Logo
10:55 am - 1:55 pmSHA-SEA
19h 00m1 stop
Asiana Airlines Logo
12:10 am - 9:45 amSEA-SHA
17h 35m1 stop
$901Asiana Airlines
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Thu, Dec 25 - Tue, Dec 30
Multiple Airlines Logo
3:30 pm - 7:16 pmSHA-SEA
19h 46m2 stops
Multiple Airlines Logo
10:05 am - 10:55 pmSEA-SHA
20h 50m2 stops
$902Multiple Airlines
Find Deal
Tue, Jan 20 - Thu, Feb 5

Hainan Airlines flights from Shanghai Hongqiao Intl Airport to Seattle

Our best Hainan Airlines deals on Shanghai Hongqiao Intl Airport to Seattle flight tickets
Hainan Airlines
Dec 22
SHA8:55 pmShanghai Hongqiao Intl
27h 05m
1 stop
SEA8:00 amSeattle/Tacoma Intl
Dec 30
SEA10:00 amSeattle/Tacoma Intl
17h 40m
1 stop
SHA7:40 pmShanghai Hongqiao Intl
$780
Find similar
Hainan Airlines
Jan 20
SHA8:35 amShanghai Hongqiao Intl
15h 25m
1 stop
SEA8:00 amSeattle/Tacoma Intl
Mar 21
SEA11:00 amSeattle/Tacoma Intl
17h 40m
1 stop
SHA7:40 pmShanghai Hongqiao Intl
$812
Find similar
Hainan Airlines
Jan 20
SHA8:35 amShanghai Hongqiao Intl
15h 25m
1 stop
SEA8:00 amSeattle/Tacoma Intl
Feb 5
SEA10:05 amSeattle/Tacoma Intl
44h 50m
2 stops
SHA10:55 pmShanghai Hongqiao Intl
$818
Find similar

Asiana Airlines flights from Shanghai Hongqiao Intl Airport to Seattle

Our best Asiana Airlines deals on Shanghai Hongqiao Intl Airport to Seattle flight tickets
Asiana Airlines
Dec 25
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Jan 5
SEA12:10 amSeattle/Tacoma Intl
17h 35m
1 stop
SHA9:45 amShanghai Hongqiao Intl
$900
Find similar
Asiana Airlines
Dec 25
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Jan 4
SEA12:10 amSeattle/Tacoma Intl
17h 35m
1 stop
SHA9:45 amShanghai Hongqiao Intl
$901
Find similar
Asiana Airlines
Dec 25
SHA10:55 amShanghai Hongqiao Intl
19h 00m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Jan 2
SEA12:10 amSeattle/Tacoma Intl
17h 35m
1 stop
SHA9:45 amShanghai Hongqiao Intl
$966
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Shanghai Hongqiao Intl Airport to Seattle 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 November 22, 2025.
Use the filters below to find and compare flights from Shanghai Hongqiao Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Fri 5/15

4:50 pm-10:10 am

1 stop32h 20m

Seattle/Tacoma Intl

Tue 7/14

12:15 pm-12:05 pm

1 stop32h 50m

$714

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Mon 12/22

8:55 pm-8:00 am

1 stop27h 05m

Seattle/Tacoma Intl

Tue 12/30

10:00 am-7:40 pm

1 stop17h 40m

$780

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Tue 1/20

8:35 am-8:00 am

1 stop15h 25m

Seattle/Tacoma Intl

Sat 3/21

11:00 am-7:40 pm

1 stop17h 40m

$812

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Tue 1/20

8:35 am-8:00 am

1 stop15h 25m

Seattle/Tacoma Intl

Thu 2/5

10:05 am-10:55 pm

2 stops44h 50m

$818

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Sat 1/17

8:35 am-8:00 am

1 stop15h 25m

Seattle/Tacoma Intl

Sat 3/21

11:00 am-7:40 pm

1 stop17h 40m

$847

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Fri 1/16

11:50 am-8:00 am

1 stop36h 10m

Seattle/Tacoma Intl

Sat 3/21

11:00 am-10:40 pm

1 stop20h 40m

$861

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Tue 1/20

8:35 am-8:00 am

1 stop15h 25m

Seattle/Tacoma Intl

Sun 3/22

12:10 am-4:50 pm

2 stops25h 40m

$892

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Thu 12/25

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Mon 1/5

12:10 am-9:45 am

1 stop17h 35m

$900

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Thu 12/25

10:55 am-1:55 pm

1 stop19h 00m

Seattle/Tacoma Intl

Tue 12/30

12:10 am-9:45 am

1 stop17h 35m

$901

ShanghaiSeattle

SHA - SEA

SHASEA

Shanghai Hongqiao Intl

Tue 1/20

3:30 pm-7:16 pm

2 stops19h 46m

Seattle/Tacoma Intl

Thu 2/5

10:05 am-10:55 pm

2 stops20h 50m

$902

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 Shanghai Hongqiao Intl Airport to Seattle

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 Seattle?

In general, September is the cheapest month to fly from Shanghai Hongqiao Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $689. If you don’t want to visit Seattle in September, then you should wait until October to fly from Shanghai Hongqiao Intl Airport, when ticket prices are also cheap, with an average price of $742.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Shanghai Hongqiao Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $958. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Shanghai Hongqiao Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,101.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Shanghai Hongqiao Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,047 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $1,130. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Shanghai Hongqiao Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $952 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Shanghai Hongqiao Intl Airport for as low as $746 on momondo.

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

As of November 2025, prices for Shanghai Hongqiao Intl Airport to Seattle flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Shanghai Hongqiao Intl Airport to Seattle

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

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

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

Direct flights

None
There are no direct flights from Shanghai Hongqiao Intl Airport to Seattle. There are no popular flight routes from Shanghai Hongqiao Intl Airport to Seattle.
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  • How far is Shanghai Hongqiao Intl to Seattle/Tacoma Intl by plane?

    The distance between Shanghai Hongqiao Intl and Seattle/Tacoma Intl is about 5710.7 mi. By plane, this route typically takes 15h 25m.

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

    Prices for flights from Shanghai Hongqiao Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma 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 Seattle/Tacoma 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 Shanghai Hongqiao Intl Airport to Seattle?

Best airlines flying from Shanghai Hongqiao Intl Airport to Seattle

Compare and see reviews for airlines that fly from Shanghai Hongqiao Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $679Free CancellationRating
8.4
1,170 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $724Free CancellationRating
8.2
488 reviews
Search Asiana Airlines flights
DeltaPriceFrom $812Free CancellationRating
7.9
8,002 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

Why use momondo?

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

It is quick and easy to find Shanghai to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

Yes. momondo allows you to filter the results for Shanghai to Seattle flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Seattle from Shanghai. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Seattle from Shanghai are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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