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Cheap flights from Seattle to Shanghai Hongqiao Intl Airport, China from C$ 660

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Hongqiao Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Hongqiao Intl (SHA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 1,211

One-way from

C$ 660

Popular in

July

Cheapest in

August

Average price

C$ 1,607
20/10-26/10
  • 20/10-26/10
  • 4 total stops
  • 77h 43m total
  • Seattle to Shanghai
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26/10
  • 26/10
  • 2 total stops
  • 25h 50m total
  • Seattle to Shanghai
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Highest demand for flights based on searches. 7% potential increase in price (C$ 187 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Hongqiao Intl

Cheapest flights from Seattle to Hongqiao Intl
Explore the most affordable flight options available from Seattle to Hongqiao Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Mon 20/105:26 p.m.SEA - SHA
2 stops25h 34mMultiple Airlines
Sun 26/1010:30 p.m.SHA - SEA
2 stops52h 09mMultiple Airlines
Deal found 9/9C$ 1,211
Sun 16/1111:00 a.m.SEA - SHA
1 stop38h 10mKorean Air
Wed 14/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 9/9C$ 1,296
Tue 14/103:44 p.m.SEA - SHA
2 stops34h 21mKorean Air
Sun 2/116:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 9/9C$ 1,304
Tue 14/103:44 p.m.SEA - SHA
2 stops34h 21mKorean Air
Wed 5/116:25 p.m.SHA - SEA
2 stops36h 19mKorean Air
Deal found 9/9C$ 1,319
Sat 27/1211:00 a.m.SEA - SHA
1 stop38h 10mKorean Air
Sun 11/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/9C$ 1,344
Sat 27/125:59 p.m.SEA - SHA
2 stops31h 11mKorean Air
Wed 7/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/9C$ 1,352
Thu 20/1112:00 p.m.SEA - SHA
2 stops37h 10mKorean Air
Sun 11/16:25 p.m.SHA - SEA
2 stops38h 35mKorean Air
Deal found 9/9C$ 1,368
Thu 25/1211:00 a.m.SEA - SHA
1 stop38h 10mKorean Air
Wed 7/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/9C$ 1,393
Thu 25/121:39 p.m.SEA - SHA
2 stops35h 31mKorean Air
Sun 11/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/9C$ 1,401
Fri 26/1211:00 a.m.SEA - SHA
1 stop38h 10mKorean Air
Sun 11/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/9C$ 1,441
Fri 26/123:30 p.m.SEA - SHA
2 stops33h 40mKorean Air
Sat 10/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/9C$ 1,449
Thu 16/106:59 p.m.SEA - SHA
2 stops26h 06mCathay Pacific
Sun 2/1110:30 p.m.SHA - SEA
2 stops32h 01mCathay Pacific
Deal found 10/9C$ 1,467

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Hongqiao Intl 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Seattle to Shanghai Hongqiao Intl Airport that are best for you.

Fly from

Seattle

Fly to

Hongqiao Intl

Route

Depart

Return

Price

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 8/3

12:10 a.m.-9:45 a.m.

1 stop18h 35m

Shanghai Hongqiao Intl

Mon 6/4

6:10 p.m.-2:55 p.m.

1 stop35h 45m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 1/3

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Mon 23/3

10:55 a.m.-2:55 p.m.

1 stop19h 00m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 24/1

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Sun 22/3

10:55 a.m.-2:55 p.m.

1 stop19h 00m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 7/3

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Mon 6/4

6:10 p.m.-2:55 p.m.

1 stop35h 45m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 5/1

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Fri 3/4

6:10 p.m.-2:55 p.m.

1 stop35h 45m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 25/1

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Sat 4/4

6:10 p.m.-2:55 p.m.

1 stop35h 45m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 4/3

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Sat 11/4

6:10 p.m.-2:55 p.m.

1 stop35h 45m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 25/2

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Sun 22/3

10:55 a.m.-2:55 p.m.

1 stop19h 00m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 25/1

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Mon 6/4

6:10 p.m.-2:55 p.m.

1 stop35h 45m

C$ 1,282

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 1/3

12:10 a.m.-9:45 a.m.

1 stop17h 35m

Shanghai Hongqiao Intl

Sun 22/3

10:55 a.m.-2:55 p.m.

1 stop19h 00m

C$ 1,282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 22 results
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Best time to book a flight from Seattle to Hongqiao Intl

Have a flexible travel schedule? Discover the best time to fly to Hongqiao Intl from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Shanghai Hongqiao Intl Airport

How far ahead should I book a flight from Seattle to Shanghai Hongqiao Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Hongqiao Intl. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Shanghai Hongqiao Intl Airport, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Shanghai Hongqiao Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Seattle to Shanghai Hongqiao Intl Airport (average of C$ 1,001). Flying from Seattle to Shanghai Hongqiao Intl Airport in December is currently the most expensive (average of C$ 1,441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SHA?

Find hourly flight availability from Seattle to Hongqiao Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Shanghai Hongqiao Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Seattle to Shanghai Hongqiao Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Hongqiao Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Shanghai Hongqiao Intl?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Shanghai Hongqiao Intl. 0 airlines have flights from Seattle/Tacoma Intl to Shanghai Hongqiao Intl on a regular basis. Booking flights from Seattle/Tacoma Intl to Shanghai Hongqiao Intl should not be difficult; the airport handles an average of 0 outbound flights to Shanghai Hongqiao Intl per day.

  • How long is the flight from Seattle to Shanghai Hongqiao Intl Airport?

    Asiana Airlines can get you from Seattle to Shanghai Hongqiao Intl Airport in just under 17h 35m. Your travel time can differ by up to . The distance between Seattle and Shanghai Hongqiao Intl Airport is about 9204 km.

  • Can I find deals for flights from Seattle to Hongqiao Intl that include hotel bookings?

    Yes. In addition to deals on Seattle to Hongqiao Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Hongqiao Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Hongqiao Intl.

  • Can I find deals for business class flights from Seattle to Hongqiao Intl?

    Yes. Cheapflights offers flight deals from Seattle to Hongqiao Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Shanghai Hongqiao Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Shanghai Hongqiao Intl Airport (average of C$ 1,001). Flying from Seattle to Shanghai Hongqiao Intl Airport in December is currently the most expensive (average of C$ 1,441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Hongqiao Intl?

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Yes, we can. To see specific flights from Seattle to Hongqiao Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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