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Cheap flights from Seattle to China from C$ 819

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 1,168

One-way from

C$ 819

Popular in

July

Cheapest in

March

Average price

C$ 1,847
15/9-8/12
  • 15/9-8/12
  • 2 total stops
  • 46h 25m total
  • Seattle to China
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Delta
  • Delta
  • 3/12
  • Nonstop
  • 13h 30m total
  • Seattle to China
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Highest demand for flights based on searches. 12% potential increase in price (C$ 323 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 40 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Mon 15/92:15 p.m.SEA - PVG
1 stop30h 30mMultiple Airlines
Wed 14/12:00 p.m.PVG - SEA
1 stop15h 55mMultiple Airlines
Deal found 9/6C$ 1,168
Sun 14/92:15 p.m.SEA - PVG
1 stop28h 50mAsiana Airlines
Tue 13/14:20 p.m.PVG - SEA
1 stop13h 35mAsiana Airlines
Deal found 9/6C$ 1,221
Fri 12/912:50 p.m.SEA - PVG
1 stop16h 20mKorean Air
Tue 9/1211:20 a.m.PVG - SEA
1 stop13h 40mKorean Air
Deal found 9/6C$ 1,244
Sat 16/85:35 p.m.SEA - SHA
2 stops32h 30mKorean Air
Fri 22/86:25 p.m.SHA - SEA
1 stop31h 25mKorean Air
Deal found 12/6C$ 1,287
Mon 15/91:45 p.m.SEA - PVG
2 stops19h 50mANA
Mon 17/118:30 a.m.PVG - SEA
2 stops25h 56mANA
Deal found 9/6C$ 1,306
Mon 15/92:15 p.m.SEA - SHA
1 stop35h 45mAsiana Airlines
Wed 14/16:10 p.m.SHA - SEA
1 stop35h 45mAsiana Airlines
Deal found 9/6C$ 1,308
Mon 15/94:30 p.m.SEA - SHA
1 stop28h 45mANA
Mon 8/121:40 p.m.SHA - SEA
1 stop15h 40mANA
Deal found 9/6C$ 1,328
Sun 24/81:40 a.m.SEA - PVG
1 stop18h 10mChina Airlines
Tue 23/912:05 p.m.PVG - SEA
1 stop22h 15mChina Airlines
Deal found 10/6C$ 1,329
Sun 31/81:40 a.m.SEA - PEK
1 stop26h 10mChina Airlines
Mon 22/912:30 p.m.PEK - SEA
1 stop21h 50mChina Airlines
Deal found 11/6C$ 1,329
Sun 3/81:20 p.m.SEA - PEK
1 stop29h 20mKorean Air
Mon 1/96:30 p.m.PEK - SEA
1 stop31h 10mKorean Air
Deal found 12/6C$ 1,333
Thu 12/62:15 p.m.SEA - PEK
1 stop28h 15mAsiana Airlines
Thu 19/610:40 a.m.PEK - SEA
1 stop16h 50mAsiana Airlines
Deal found 10/6C$ 1,418
Mon 8/911:40 a.m.SEA - PVG
2 stops21h 15mCathay Pacific
Sun 30/115:30 p.m.PVG - SEA
2 stops37h 23mCathay Pacific
Deal found 9/6C$ 1,440

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 12 June 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

Mon 15/9

2:15 p.m.-11:45 a.m.

1 stop30h 30m

Shanghai Pu Dong

Mon 8/12

2:00 p.m.-1:55 p.m.

1 stop15h 55m

C$ 1,168

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 14/9

2:15 p.m.-10:05 a.m.

1 stop28h 50m

Shanghai Pu Dong

Tue 13/1

4:20 p.m.-1:55 p.m.

1 stop13h 35m

C$ 1,221

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Fri 12/9

12:50 p.m.-8:10 p.m.

1 stop16h 20m

Shanghai Pu Dong

Tue 9/12

11:20 a.m.-9:00 a.m.

1 stop13h 40m

C$ 1,244

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 16/8

5:35 p.m.-5:05 p.m.

2 stops32h 30m

Shanghai Hongqiao Intl

Fri 22/8

6:25 p.m.-10:50 a.m.

1 stop31h 25m

C$ 1,287

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Mon 15/9

1:45 p.m.-12:35 a.m.

2 stops19h 50m

Shanghai Pu Dong

Mon 17/11

8:30 a.m.-6:26 p.m.

2 stops25h 56m

C$ 1,306

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 15/9

2:15 p.m.-5:00 p.m.

1 stop35h 45m

Shanghai Hongqiao Intl

Wed 14/1

6:10 p.m.-1:55 p.m.

1 stop35h 45m

C$ 1,308

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Mon 15/9

4:30 p.m.-12:15 p.m.

1 stop28h 45m

Shanghai Hongqiao Intl

Mon 8/12

1:40 p.m.-1:20 p.m.

1 stop15h 40m

C$ 1,328

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 24/8

1:40 a.m.-10:50 a.m.

1 stop18h 10m

Shanghai Pu Dong

Tue 23/9

12:05 p.m.-7:20 p.m.

1 stop22h 15m

C$ 1,329

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Sun 31/8

1:40 a.m.-6:50 p.m.

1 stop26h 10m

Beijing Capital

Mon 22/9

12:30 p.m.-7:20 p.m.

1 stop21h 50m

C$ 1,329

SeattleBeijing

SEA - PEK

SEAPEK

Seattle/Tacoma Intl

Sun 3/8

1:20 p.m.-9:40 a.m.

1 stop29h 20m

Beijing Capital

Mon 1/9

6:30 p.m.-10:40 a.m.

1 stop31h 10m

C$ 1,333

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 50 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, May is the cheapest month in which you can book a flight from Seattle to China (average of C$ 1,072). Flying from Seattle to China in December is currently the most expensive (average of C$ 1,532). 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 12 June 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.

Rainfall in China by month

Plan your trip to China by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in China ranges from 30.0 - 170.0 mm per month. June is typically the wettest month, when rainfall can reach 170.0 mm. December is typically the driest time to visit China when rainfall is around 30.0 mm.

Temperature in China by month

Plan your trip to China by taking into account the average temperature totals by month.

If weather is an important factor for your trip to China, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 12 June 2025.
To help decide which airline to fly from Seattle to China, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Seattle to China one-way?

    One-way options have recently been found by users for as low as C$ 819 on Delta. Other airlines that offer cheap prices include China Airlines from C$ 822 and Korean Air from C$ 849 one-way.

  • 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, May is the cheapest month in which you can book a flight from Seattle to China (average of C$ 1,072). Flying from Seattle to China in December is currently the most expensive (average of C$ 1,532). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to China

See prices for flight routes from nearby airports that may be better suited for you.
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Yes! Cheapflights helps users easily find flights from Seattle to China with no change fees.

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