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$592+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Shanghai are usually found in March or April, booked 16 days in advance, depart on a Sunday or Saturday and return on a Saturday

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 junio 12, 2025.

Round-trip from

$819
(ScholarTrip)

One-way from

$592
(Trip.com)

Popular in

July

Cheapest in

March

Average price

$1,351
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. 12% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($21 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 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 junio 12, 2025.

This CrystalTravel deal was found by Cheapflights users on 6/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:10 amSEA - PVG
1 stop20h 25mMultiple Airlines
mié. 12/32:00 pmPVG - SEA
1 stop15h 55mMultiple Airlines
Deal found 6/11$791
This FlightHub deal was found by Cheapflights users on 6/10. 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.
jue. 9/112:15 pmSEA - SHA
1 stop35h 50mMultiple Airlines
jue. 9/256:10 pmSHA - SEA
1 stop33h 20mMultiple Airlines
Deal found 6/10$852
This CrystalTravel deal was found by Cheapflights users on 6/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/92:15 pmSEA - PVG
1 stop15h 40mAsiana Airlines
mar. 10/78:35 amPVG - SEA
1 stop18h 55mAsiana Airlines
Deal found 6/12$853
This CrystalTravel deal was found by Cheapflights users on 6/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/1412:50 pmSEA - PVG
1 stop16h 20mKorean Air
mié. 10/298:50 amPVG - SEA
1 stop16h 10mKorean Air
Deal found 6/11$860
This FlightHub deal was found by Cheapflights users on 6/10. 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.
dom. 8/242:30 pmSEA - SHA
1 stop35h 30mAsiana Airlines
mar. 9/26:10 pmSHA - SEA
1 stop33h 20mAsiana Airlines
Deal found 6/10$887
This oojo deal was found by Cheapflights users on 6/11. 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.
mar. 10/1412:50 pmSEA - SHA
1 stop37h 15mKorean Air
mié. 10/296:25 pmSHA - SEA
1 stop30h 35mKorean Air
Deal found 6/11$895
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/91:45 pmSEA - PVG
2 stops19h 50mANA
mar. 10/78:25 amPVG - SEA
2 stops25h 11mANA
Deal found 6/11$902
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/94:30 pmSEA - SHA
1 stop28h 45mANA
mar. 10/71:35 pmSHA - SEA
2 stops20h 01mANA
Deal found 6/11$915
This oojo deal was found by Cheapflights users on 6/11. 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.
lun. 9/81:40 amSEA - PVG
1 stop25h 55mChina Airlines
mar. 10/77:50 pmPVG - SEA
1 stop14h 30mChina Airlines
Deal found 6/11$929
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/205:50 amSEA - PVG
1 stop18h 10mAir Canada
jue. 11/275:50 pmPVG - SEA
1 stop20h 16mAir Canada
Deal found 6/12$955
This FlightHub deal was found by Cheapflights users on 6/12. 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.
lun. 9/85:14 pmSEA - PVG
2 stops26h 01mAir China
mar. 10/76:50 pmPVG - SEA
2 stops38h 55mAir China
Deal found 6/12$959
This FlightHub deal was found by Cheapflights users on 6/11. 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.
jue. 7/1012:30 pmSEA - PVG
1 stop37h 15mTurkish Airlines
mié. 7/2310:25 pmPVG - SEA
1 stop27h 10mTurkish Airlines
Deal found 6/11$1,010

Cheapflights Fare Finder

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 junio 12, 2025.
Use the filters below to find and compare flights from Seattle to Shanghai that are best for you.

Fly from

Seattle

Fly to

Shanghai

Route

Depart

Return

Price

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

jue. 8/21

2:30 pm-9:40 am

1 stop28h 10m

Shanghai Pu Dong

mié. 8/27

8:50 am-12:45 pm

1 stop18h 55m

$819

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

jue. 9/11

2:15 pm-5:05 pm

1 stop35h 50m

Shanghai Hongqiao Intl

jue. 9/25

6:10 pm-12:30 pm

1 stop33h 20m

$852

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mar. 9/9

2:15 pm-8:55 pm

1 stop15h 40m

Shanghai Pu Dong

mar. 10/7

8:35 am-12:30 pm

1 stop18h 55m

$853

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

sáb. 8/23

1:20 pm-8:10 pm

1 stop15h 50m

Shanghai Pu Dong

dom. 9/7

1:40 pm-10:40 am

1 stop36h 00m

$876

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

dom. 8/24

2:30 pm-5:00 pm

1 stop35h 30m

Shanghai Hongqiao Intl

mar. 9/2

6:10 pm-12:30 pm

1 stop33h 20m

$887

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 10/14

12:50 pm-5:05 pm

1 stop37h 15m

Shanghai Hongqiao Intl

mié. 10/29

6:25 pm-10:00 am

1 stop30h 35m

$895

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mar. 9/9

1:45 pm-12:35 am

2 stops19h 50m

Shanghai Pu Dong

mar. 10/7

8:25 am-6:36 pm

2 stops25h 11m

$902

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 9/9

4:30 pm-12:15 pm

1 stop28h 45m

Shanghai Hongqiao Intl

mar. 10/7

1:35 pm-6:36 pm

2 stops20h 01m

$915

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

lun. 9/8

1:40 am-6:35 pm

1 stop25h 55m

Shanghai Pu Dong

mar. 10/7

7:50 pm-7:20 pm

1 stop14h 30m

$929

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

lun. 9/8

5:14 pm-10:15 am

2 stops26h 01m

Shanghai Pu Dong

mar. 10/7

6:50 pm-6:45 pm

2 stops38h 55m

$959

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 44 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Shanghai

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 June 9, 2025.

Booking 16 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, February is the cheapest month in which you can book a flight from Seattle to Shanghai (average of $1,125). Flying from Seattle to Shanghai in July is currently the most expensive (average of $1,718). 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 SHA?

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 junio 12, 2025.

It’s typically best to fly out from Seattle to Shanghai in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying at noon, which is usually more expensive.

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.

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 junio 12, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines 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
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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
1,490 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

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 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 1 outbound flight 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 $853, Asiana Airlines will fly you from Seattle to Shanghai and back. In addition to Asiana Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Korean Air and ANA - these airlines can fly you to your destination from $876 and $902, respectively. You may be able to fly from Seattle to Shanghai for 27% 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 $597 on Air China. Other airlines that offer cheap prices include China Airlines from $601 and EVA Air from $617 one-way.

  • 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 Tokyo 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 $69.

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

    The majority of Tokyo visitors spend their time at Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market, by traveling 10.3 mi, 11.5 mi, and 7.9 mi, respectively after landing at Tokyo Haneda. Travelers can book a car rental at Tokyo Haneda for about $67 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, February is the cheapest month in which you can book a flight from Seattle to Shanghai (average of $1,125). Flying from Seattle to Shanghai in July is currently the most expensive (average of $1,718). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$425Average$1,032FlexibilityNo cancel feeOn-time61%
DeltaCheapest$602Average$1,250FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$712Average$1,355FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$719Average$1,197FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$732Average$1,111FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$836Average$1,099FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$907Average$1,087FlexibilityNo cancel feeOn-time81%
ANACheapest$953Average$1,087FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$1,038Average$1,472FlexibilityNo cancel feeOn-time74%

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