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Cheap flights from Seattle to Shanghai Hongqiao Intl Airport, China from C$ 535

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Hongqiao Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 25/125:59 p.m.SEA - SHA
2 stops31h 11mKorean Air
Tue 6/16:25 p.m.SHA - SEA
1 stop30h 35mKorean Air
Deal found 10/12C$ 2,798
Mon 29/1212:10 p.m.SEA - SHA
1 stop31h 35mJapan Airlines
Fri 2/11:10 p.m.SHA - SEA
2 stops18h 01mJapan Airlines
Deal found 10/12C$ 4,214
Sat 27/1212:10 a.m.SEA - SHA
1 stop17h 35mAsiana Airlines
Tue 6/110:55 a.m.SHA - SEA
2 stops26h 17mAsiana Airlines
Deal found 10/12C$ 4,972
Sun 28/1212:10 a.m.SEA - SHA
1 stop17h 35mAsiana Airlines
Tue 6/110:55 a.m.SHA - SEA
2 stops26h 17mAsiana Airlines
Deal found 10/12C$ 7,564
Sun 28/1212:10 a.m.SEA - SHA
1 stop17h 35mAsiana Airlines
Fri 2/110:55 a.m.SHA - SEA
1 stop19h 00mAsiana Airlines
Deal found 10/12C$ 9,135
Sun 28/1212:10 a.m.SEA - SHA
1 stop17h 35mAsiana Airlines
Sun 4/110:55 a.m.SHA - SEA
2 stops41h 32mAsiana Airlines
Deal found 10/12C$ 9,150
Sat 27/125:41 p.m.SEA - SHA
2 stops48h 04mAsiana Airlines
Tue 6/110:55 a.m.SHA - SEA
2 stops26h 17mAsiana Airlines
Deal found 10/12C$ 9,962

Find 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 12 December 2025.

Round-trip from

C$ 997

One-way from

C$ 535

Popular in

July

Cheapest in

October

Average price

C$ 1,762
Korean Air
  • Korean Air
  • 11/3-1/4
  • 2 total stops
  • 69h 25m total
  • Seattle to Shanghai
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 24/1
  • 1 total stop
  • 31h 35m total
  • Seattle to Shanghai
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 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

Wed 11/3

12:00 p.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Wed 1/4

6:25 p.m.-10:40 a.m.

1 stop31h 15m

C$ 997

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 28/2

11:00 a.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Mon 16/3

6:25 p.m.-10:00 a.m.

1 stop30h 35m

C$ 998

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Fri 27/2

11:00 a.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Mon 16/3

6:25 p.m.-10:00 a.m.

1 stop30h 35m

C$ 998

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 10/1

11:00 a.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Sun 18/1

6:25 p.m.-9:00 a.m.

1 stop30h 35m

C$ 998

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 28/2

11:00 a.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Wed 18/3

6:25 p.m.-10:00 a.m.

1 stop30h 35m

C$ 998

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 11/2

11:00 a.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Sat 21/2

6:25 p.m.-9:00 a.m.

1 stop30h 35m

C$ 998

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 11/3

7:41 p.m.-3:20 p.m.

2 stops28h 39m

Shanghai Hongqiao Intl

Wed 1/4

1:20 p.m.-10:10 a.m.

1 stop35h 50m

C$ 1,169

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 14/2

11:00 a.m.-5:10 p.m.

1 stop38h 10m

Shanghai Hongqiao Intl

Sat 21/2

6:25 p.m.-9:00 a.m.

1 stop30h 35m

C$ 1,205

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 29/1

3:45 p.m.-12:20 p.m.

2 stops28h 35m

Shanghai Hongqiao Intl

Mon 2/2

1:35 p.m.-9:58 p.m.

2 stops24h 23m

C$ 1,254

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 24/1

10:00 a.m.-9:35 a.m.

1 stop31h 35m

C$ 535

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 20 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 5 December 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 75 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, March is the cheapest month in which you can book a flight from Seattle to Shanghai Hongqiao Intl Airport (average of C$ 599). Flying from Seattle to Shanghai Hongqiao Intl Airport in July is currently the most expensive (average of C$ 1,451). 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.

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?

    Korean Air can get you from Seattle to Shanghai Hongqiao Intl Airport in just under 38h 10m. 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, March is the cheapest month in which you can book a flight from Seattle to Shanghai Hongqiao Intl Airport (average of C$ 599). Flying from Seattle to Shanghai Hongqiao Intl Airport in July is currently the most expensive (average of C$ 1,451). 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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Can Cheapflights find flights from Seattle to Hongqiao Intl with no change fees?

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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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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