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Cheap flights from Seattle to Shanghai Hongqiao Intl Airport, China from C$ 594

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
15 Apr — 22 Apr1
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 16 March 2026.

Wed 22/412:50 p.m.
SEA
-
SHA
1 stop37h 15m
Korean Air
Tue 19/56:25 p.m.
SHA
-
SEA
1 stop31h 15m
Korean Air
Deal found 13/3C$ 995
Mon 20/45:59 p.m.
SEA
-
SHA
2 stops32h 06m
Korean Air
Tue 19/56:25 p.m.
SHA
-
SEA
1 stop31h 15m
Korean Air
Deal found 13/3C$ 1,001
Mon 13/412:50 p.m.
SEA
-
SHA
1 stop37h 15m
Korean Air
Mon 27/46:25 p.m.
SHA
-
SEA
2 stops41h 00m
Korean Air
Deal found 15/3C$ 1,010
Mon 20/412:55 a.m.
SEA
-
SHA
1 stop17h 50m
Asiana Airlines
Mon 18/510:55 a.m.
SHA
-
SEA
1 stop19h 00m
Asiana Airlines
Deal found 13/3C$ 1,077
Mon 30/312:50 p.m.
SEA
-
SHA
1 stop37h 15m
Korean Air
Wed 8/46:25 p.m.
SHA
-
SEA
1 stop31h 15m
Korean Air
Deal found 12/3C$ 1,132
Wed 8/412:15 p.m.
SEA
-
SHA
2 stops37h 50m
Korean Air
Mon 20/46:25 p.m.
SHA
-
SEA
1 stop31h 15m
Korean Air
Deal found 14/3C$ 1,139
Tue 5/512:55 a.m.
SEA
-
SHA
1 stop17h 50m
Asiana Airlines
Tue 19/510:55 a.m.
SHA
-
SEA
1 stop19h 00m
Asiana Airlines
Deal found 15/3C$ 1,200
Fri 1/57:35 a.m.
SEA
-
SHA
2 stops42h 30m
Korean Air
Wed 13/56:25 p.m.
SHA
-
SEA
1 stop31h 15m
Korean Air
Deal found 13/3C$ 1,207
Wed 6/512:50 p.m.
SEA
-
SHA
1 stop37h 15m
Korean Air
Tue 19/56:25 p.m.
SHA
-
SEA
2 stops35h 40m
Korean Air
Deal found 13/3C$ 1,215
Wed 8/412:15 p.m.
SEA
-
SHA
2 stops37h 50m
Korean Air
Sun 19/46:25 p.m.
SHA
-
SEA
1 stop31h 15m
Korean Air
Deal found 14/3C$ 1,276

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 16 March 2026.

Round-trip from

C$ 995

One-way from

C$ 594

Popular in

July

Cheapest in

April

Average price

C$ 969
Korean Air
  • Korean Air
  • 8/4-19/4
  • 2 total stops
  • 68h 30m total
  • Seattle to Shanghai
Search Deals
Cathay Pacific
  • Cathay Pacific
  • 19/8
  • 1 total stop
  • 36h 10m total
  • Seattle to Shanghai
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 442 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 16 March 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

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 11/4

12:50 p.m.-5:05 p.m.

1 stop37h 15m

Shanghai Hongqiao Intl

Sat 2/5

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

1 stop31h 15m

C$ 995

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 21/4

12:50 p.m.-5:05 p.m.

1 stop37h 15m

Shanghai Hongqiao Intl

Tue 19/5

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

1 stop31h 15m

C$ 995

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Wed 8/4

3:50 p.m.-5:05 p.m.

2 stops34h 15m

Shanghai Hongqiao Intl

Mon 20/4

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

1 stop31h 15m

C$ 1,001

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 5/4

12:50 p.m.-5:05 p.m.

1 stop37h 15m

Shanghai Hongqiao Intl

Wed 29/4

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

1 stop31h 15m

C$ 1,132

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 12/4

12:50 p.m.-5:05 p.m.

1 stop37h 15m

Shanghai Hongqiao Intl

Sun 19/4

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

1 stop31h 15m

C$ 1,132

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 3/5

12:50 p.m.-5:05 p.m.

1 stop37h 15m

Shanghai Hongqiao Intl

Sun 17/5

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

1 stop31h 15m

C$ 1,200

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sun 3/5

12:50 p.m.-5:05 p.m.

1 stop37h 15m

Shanghai Hongqiao Intl

Sat 16/5

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

1 stop31h 15m

C$ 1,303
Quickest round-trip

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 5/5

5:59 p.m.-5:05 p.m.

2 stops32h 06m

Shanghai Hongqiao Intl

Fri 15/5

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

1 stop31h 15m

C$ 1,310

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 4/5

5:59 p.m.-5:05 p.m.

2 stops32h 06m

Shanghai Hongqiao Intl

Tue 19/5

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

1 stop31h 15m

C$ 1,310

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 4/5

1:45 p.m.-5:05 p.m.

2 stops36h 20m

Shanghai Hongqiao Intl

Wed 13/5

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

1 stop31h 15m

C$ 1,310

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/3

Showing 1-10 of 18 resultsSorted by cheapest first
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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 13 March 2026.

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, April is the cheapest month in which you can book a flight from Seattle to Shanghai Hongqiao Intl Airport (average of C$ 597). Flying from Seattle to Shanghai Hongqiao Intl Airport in July is currently the most expensive (average of C$ 1,402). 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.

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?

    Korean Air can get you from Seattle to Shanghai Hongqiao Intl Airport in just under 37h 15m. 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, April is the cheapest month in which you can book a flight from Seattle to Shanghai Hongqiao Intl Airport (average of C$ 597). Flying from Seattle to Shanghai Hongqiao Intl Airport in July is currently the most expensive (average of C$ 1,402). 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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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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