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$377+ Cheap flights from Seattle (SEA) to Shanghai, China

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Shanghai are usually found in February or January, booked 84 days in advance, depart on a Saturday or Friday and return on a Wednesday

Cheap flight deals from Seattle to Shanghai

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Shanghai (CN2). 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 February 20, 2025.

Round-trip from

$809
(Gurufare)

One-way from

$377
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,063
From Seattle/Tacoma Intl to Shanghai
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One-way flight from Seattle/Tacoma Intl to Shanghai
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Highest demand for flights based on searches. 18% potential increase in price ($295 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Seattle to Shanghai

Cheapest flights from Seattle to Shanghai
Explore the most affordable flight options available from Seattle to Shanghai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Gurufare deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:30 pmSEA - PVG
1 stop24h 00mPhilippine Airlines
Wed 5/74:00 pmPVG - SEA
1 stop18h 20mPhilippine Airlines
Deal found 2/19$809
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2711:00 amSEA - PVG
1 stop32h 30mHainan Airlines
Wed 5/214:25 pmPVG - SEA
2 stops31h 35mHainan Airlines
Deal found 2/19$810
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:15 amSEA - PVG
1 stop21h 20mUnited Airlines
Tue 5/2012:10 pmPVG - SEA
1 stop16h 33mUnited Airlines
Deal found 2/19$841
This iWofly deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/174:30 pmSEA - SHA
1 stop28h 45mMultiple Airlines
Tue 4/221:35 pmSHA - SEA
2 stops20h 28mMultiple Airlines
Deal found 2/20$843
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2211:40 amSEA - SHA
1 stop20h 15mHainan Airlines
Wed 5/218:30 amSHA - SEA
2 stops39h 30mHainan Airlines
Deal found 2/19$870
This Priceline deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1011:00 amSEA - PVG
2 stops41h 05mMultiple Airlines
Thu 4/243:55 pmPVG - SEA
1 stop17h 33mMultiple Airlines
Deal found 2/19$888
This Cheapflightsfares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:33 pmSEA - SHA
2 stops25h 42mANA
Mon 5/121:35 pmSHA - SEA
1 stop15h 50mANA
Deal found 2/20$921
This Ovago deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:04 pmSEA - SHA
2 stops28h 21mAir China
Tue 3/1110:30 pmSHA - SEA
2 stops32h 24mAir China
Deal found 2/20$930
This Cheapflightsfares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/94:30 pmSEA - PVG
1 stop17h 05mANA
Tue 9/98:25 amPVG - SEA
2 stops25h 11mANA
Deal found 2/20$940
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/161:10 amSEA - PVG
1 stop18h 40mChina Airlines
Mon 4/1412:05 pmPVG - SEA
1 stop22h 25mChina Airlines
Deal found 2/19$952
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:10 pmSEA - PVG
1 stop30h 35mTurkish Airlines
Tue 4/2910:25 pmPVG - SEA
1 stop33h 50mTurkish Airlines
Deal found 2/19$969
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/311:20 amSEA - PVG
Nonstop13h 05mDelta
Thu 4/245:30 pmPVG - SEA
Nonstop11h 15mDelta
Deal found 2/19$971

Find flights from Seattle to Shanghai within your budget

Customize your flight search to find flights from Seattle to Shanghai 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Seattle

Fly to

Shanghai

Route

Depart

Return

Price

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 4/16

11:30 pm-2:30 pm

1 stop24h 00m

Shanghai Pu Dong

Sun 5/4

4:00 pm-7:20 pm

1 stop18h 20m

$809

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 3/27

11:00 am-10:30 am

1 stop32h 30m

Shanghai Pu Dong

Wed 5/21

4:25 pm-9:00 am

2 stops31h 35m

$810

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 3/26

9:18 am-6:45 pm

1 stop18h 27m

Shanghai Pu Dong

Wed 5/21

12:10 pm-9:31 pm

1 stop24h 21m

$841

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Thu 4/17

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

Tue 4/22

1:35 pm-7:03 pm

2 stops20h 28m

$843

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Sat 3/22

11:40 am-10:55 pm

1 stop20h 15m

Shanghai Hongqiao Intl

Wed 5/21

8:30 am-9:00 am

2 stops39h 30m

$870

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Thu 4/10

11:00 am-7:05 pm

2 stops41h 05m

Shanghai Pu Dong

Thu 4/24

3:55 pm-6:28 pm

1 stop17h 33m

$888

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 4/15

7:33 pm-12:15 pm

2 stops25h 42m

Shanghai Hongqiao Intl

Mon 5/12

1:35 pm-2:25 pm

1 stop15h 50m

$921

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

Tue 3/4

3:04 pm-11:25 am

2 stops28h 21m

Shanghai Hongqiao Intl

Tue 3/11

10:30 pm-3:54 pm

2 stops32h 24m

$930

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Wed 7/9

4:30 pm-12:35 am

1 stop17h 05m

Shanghai Pu Dong

Tue 9/9

8:25 am-6:36 pm

2 stops25h 11m

$940

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

Sun 3/16

1:10 am-10:50 am

1 stop18h 40m

Shanghai Pu Dong

Mon 4/14

12:05 pm-7:30 pm

1 stop22h 25m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 38 results
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Best time to book a flight from Seattle to Shanghai

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

Travel insights for flights from Seattle to Shanghai

Get recent, data-driven insights about flights from Seattle to Shanghai including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Shanghai. Price data was last updated on February 14, 2025.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Shanghai. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Shanghai (average of $1,199). Flying from Seattle to Shanghai in June is currently the most expensive (average of $1,833). 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 PVG?

Find hourly flight availability from Seattle to Shanghai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Seattle to Shanghai in the afternoon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Seattle to Shanghai?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Shanghai. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Shanghai flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Shanghai

Explore weekly flight availability from Seattle to Shanghai. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.

The most flights from SEA to CN2 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Shanghai by month

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

In terms of precipitation, rainfall in Shanghai ranges from 1.2 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. December is typically the driest time to visit Shanghai when rainfall is around 1.2 in.

Temperature in Shanghai by month

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

If weather is an important factor for your trip to Shanghai, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Shanghai

Get insights into the airlines that provide service to Shanghai. 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 Shanghai. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and ANA from Seattle to Shanghai. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.3

Entertainment

8.0

Food

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.3

Entertainment

8.0

Food

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Korean Air
8.4
Very good
1,037 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.3

Entertainment

8.0

Food

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

ANA
8.4
Very good
842 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.3

Entertainment

8.0

Food

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.3

Entertainment

8.0

Food

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

China Airlines
8.2
Very good
727 reviews
EVA Air
8.4
Very good
1,200 reviews

Comfort

8.3

Entertainment

8.0

Food

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Related info for your journey

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

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Shanghai. You should not have trouble finding flights to Shanghai from Seattle/Tacoma Intl; the airport handles an average of 2 outbound flights to Shanghai per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Seattle airport to Shanghai. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • What are the cheapest airlines flying from Seattle to Shanghai round-trip?

    Currently priced at $809, Philippine Airlines will fly you from Seattle to Shanghai and back. In addition to Philippine Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hainan Airlines and United Airlines - these airlines can fly you to your destination from $810 and $841, respectively. You may be able to fly from Seattle to Shanghai for 36% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $438 on Hainan Airlines. Other airlines that offer cheap prices include Delta from $491 and Air China from $498 one-way.

  • What are the cheapest flights from Seattle to Shanghai?

    The cheapest flight price from Seattle to Shanghai is $499. On average you can expect to pay $1,376. The most popular route, (Seattle/Tacoma Intl - Shanghai Hongqiao Intl), can usually be booked for $823.

  • Where are the most common layover locations when flying from Seattle to Shanghai?

    Of the flights from Seattle to Shanghai that have layovers, most of them stop in Taipei City. Taipei City is followed by Seoul in terms of the most popular layover location on flights from Seattle to Shanghai.

  • What are some popular things to do or see while on a layover in Taipei City?

    Most Taipei City visitors opt to spend their time experiencing Taipei 101, Shilin Night Market, and Raohe Street Night Market. Taipei 101, Shilin Night Market and Raohe Street Night Market are located about 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl if you are interested in checking them out. Those on a layover in Taipei City in need of a rental car can book one at Taipei City Taiwan Taoyuan Intl for about $80.

  • What are some popular points of interest to see during a layover in Seoul?

    The majority of Seoul visitors spend their time at Namdaemun Market, Myeongdong Cathedral, and Dongdaemun Market. Travelers on a layover in Seoul can visit Namdaemun Market, Myeongdong Cathedral, and Dongdaemun Market, by traveling 29.8 mi, 30.4 mi, and 31.6 mi, respectively after landing at Incheon Intl. Travelers can book a car rental at Incheon Intl for about $45 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Seattle to Shanghai flights?

    Seattle to Shanghai flights have a layover in Tokyo the least frequently.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Shanghai 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?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Shanghai (average of $1,199). Flying from Seattle to Shanghai in June is currently the most expensive (average of $1,833). 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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Top 9 airlines flying from Seattle to Shanghai

Discover the top 9 airlines that operate flights from Seattle to Shanghai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$425Average$1,005FlexibilityNo cancel feeOn-time61%
Philippine AirlinesCheapest$718Average$945FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$719Average$1,205FlexibilityNo cancel feeOn-time67%
China AirlinesCheapest$836Average$1,081FlexibilityNo cancel feeOn-time70%
Asiana AirlinesCheapest$895Average$1,358FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$907Average$1,064FlexibilityNo cancel feeOn-time81%
ANACheapest$955Average$1,166FlexibilityNo cancel feeOn-time80%
DeltaCheapest$1,002Average$1,516FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,049Average$1,442FlexibilityNo cancel feeOn-time74%
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