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Cheap flights from Seattle to China from C$ 633

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 22/2. 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 China

Keep the following information in mind while searching for Seattle to China flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 1,165

One-way from

C$ 633

Popular in

July

Cheapest in

March

Average price

C$ 1,530
20/11-27/11
  • 20/11-27/11
  • 2 total stops
  • 28h 35m total
  • Seattle to China
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Philippine Airlines
  • Philippine Airlines
  • 22/2
  • 1 total stop
  • 22h 25m total
  • Seattle to China
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Highest demand for flights based on searches. 11% potential increase in price (C$ 289 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Seattle to China

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

Sun 14/911:35 p.m.SEA - PEK
1 stop21h 20mPhilippine Airlines
Sun 21/912:55 p.m.PEK - SEA
1 stop21h 20mPhilippine Airlines
Deal found 11/9C$ 1,086
Thu 20/111:45 p.m.SEA - PVG
1 stop15h 10mMultiple Airlines
Thu 27/114:20 p.m.PVG - SEA
1 stop13h 25mMultiple Airlines
Deal found 10/9C$ 1,165
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 28/1212:10 a.m.SEA - PVG
1 stop17h 55mAsiana Airlines
Tue 27/11:10 p.m.PVG - SEA
1 stop16h 45mAsiana Airlines
Deal found 11/9C$ 1,239
Thu 16/102:15 p.m.SEA - PEK
1 stop32h 45mAsiana Airlines
Thu 6/113:35 p.m.PEK - SEA
1 stop14h 20mAsiana Airlines
Deal found 10/9C$ 1,253
Sun 14/912:50 p.m.SEA - PEK
1 stop29h 50mKorean Air
Sat 20/91:30 a.m.PEK - SEA
1 stop24h 10mKorean Air
Deal found 11/9C$ 1,265
Mon 17/1111:00 a.m.SEA - PVG
1 stop17h 25mKorean Air
Fri 5/1211:20 a.m.PVG - SEA
1 stop13h 40mKorean Air
Deal found 11/9C$ 1,268
Wed 19/1111:00 a.m.SEA - PEK
1 stop33h 40mKorean Air
Tue 25/111:30 a.m.PEK - SEA
1 stop23h 30mKorean Air
Deal found 10/9C$ 1,268
Sat 18/106:05 p.m.SEA - PVG
2 stops24h 35mKorean Air
Fri 31/102:00 p.m.PVG - SEA
1 stop35h 00mKorean Air
Deal found 10/9C$ 1,275
Sat 25/107:25 a.m.SEA - PEK
2 stops38h 15mKorean Air
Sat 15/1110:40 a.m.PEK - SEA
1 stop14h 20mKorean Air
Deal found 11/9C$ 1,275
Fri 21/1111:00 a.m.SEA - PEK
1 stop31h 25mKorean Air
Fri 28/112:15 p.m.PEK - SEA
1 stop34h 45mKorean Air
Deal found 10/9C$ 1,282
Mon 15/912:50 p.m.SEA - PVG
1 stop16h 20mKorean Air
Wed 17/98:50 a.m.PVG - SEA
2 stops22h 16mKorean Air
Deal found 11/9C$ 1,283

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to China 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 China that are best for you.

Fly from

Seattle

Fly to

China

Route

Depart

Return

Price

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sat 22/11

11:00 a.m.-12:35 p.m.

1 stop33h 35m

Shanghai Pu Dong

Sun 30/11

2:00 p.m.-9:00 a.m.

1 stop35h 00m

C$ 1,268

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sat 29/11

11:00 a.m.-9:45 a.m.

1 stop30h 45m

Shanghai Pu Dong

Tue 13/1

8:50 a.m.-9:00 a.m.

1 stop16h 10m

C$ 1,268

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 5/3

11:00 a.m.-12:35 p.m.

1 stop33h 35m

Shanghai Pu Dong

Fri 27/3

11:20 a.m.-10:00 a.m.

1 stop13h 40m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Sun 23/11

11:00 a.m.-9:25 a.m.

1 stop30h 25m

Beijing Capital

Sat 27/12

1:30 a.m.-9:00 a.m.

1 stop23h 30m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Tue 4/11

11:00 a.m.-9:25 a.m.

1 stop30h 25m

Beijing Capital

Wed 19/11

1:30 a.m.-9:00 a.m.

1 stop23h 30m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Mon 22/9

12:50 p.m.-9:30 p.m.

1 stop17h 40m

Beijing Capital

Sun 5/10

1:30 a.m.-10:40 a.m.

1 stop24h 10m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Tue 25/11

11:00 a.m.-9:25 a.m.

1 stop30h 25m

Beijing Capital

Sun 21/12

1:30 a.m.-9:00 a.m.

1 stop23h 30m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Wed 19/11

11:00 a.m.-10:15 p.m.

1 stop19h 15m

Beijing Capital

Sun 14/12

1:30 a.m.-9:00 a.m.

1 stop23h 30m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Sat 25/10

12:50 p.m.-10:15 p.m.

1 stop18h 25m

Beijing Capital

Fri 14/11

1:30 a.m.-9:00 a.m.

1 stop23h 30m

C$ 1,268

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Tue 18/11

11:00 a.m.-10:15 p.m.

1 stop19h 15m

Beijing Capital

Mon 24/11

1:30 a.m.-9:00 a.m.

1 stop23h 30m

C$ 1,268

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to China

Have a flexible travel schedule? Discover the best time to fly to China 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 China

What is the cheapest month to book a flight from Seattle to China?

Currently, September is the cheapest month in which you can book a flight from Seattle to China (average of C$ 1,001). Flying from Seattle to China 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 CN?

Find hourly flight availability from Seattle to China. 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.

When flying from Seattle to China, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing China

Get insights into the airlines that provide service to China. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to China. Reviews last updated 11 September 2025.
Get a feel of what it's like to fly with Korean Air from Seattle to China by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews
Check prices

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews
Check prices

Boarding

8.5

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seattle to China. 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 China?

    For a flight from Seattle to China, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city.

  • How long is the flight from Seattle to China?

    There are many flights that can get you from Seattle to China in 18h 35m. Fly via Korean Air or Asiana Airlines to get the fastest option. The distance from Seattle to China is about 9204 km. This flight may include one or multiple stops.

  • What are the most popular routes from Seattle to China?

    When deciding which route to take from Seattle to China consider Seattle/Tacoma Intl - Shanghai Hongqiao Intl, Seattle/Tacoma Intl - Shanghai Pu Dong or Seattle/Tacoma Intl - Beijing Capital as they are the most popular.

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

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

  • How can I find direct flights from Seattle to China?

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

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

    Yes. Cheapflights offers flight deals from Seattle to China 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 China?

    Currently, September is the cheapest month in which you can book a flight from Seattle to China (average of C$ 1,001). Flying from Seattle to China 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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Yes! Cheapflights helps users easily find flights from Seattle to China with no change fees.

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Not ready to book yet? You can track prices for flights from Seattle to China on Cheapflights with our Price Alert feature and get notified when better prices are available.

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