HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shanghai

$379+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
ene. 25 — feb. 11
sáb. 1/25
sáb. 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Shanghai with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Seattle/Tacoma Intl to Shanghai are usually found in January or November, booked 84 days in advance, depart on a Friday or Saturday and return on a Monday

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 enero 20, 2025.

Round-trip from

$903
(Gotogate)

One-way from

$382
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,064
From Seattle/Tacoma Intl to Shanghai
Search Deals
One-way flight from Seattle/Tacoma Intl to Shanghai
Search Deals
High demand for flights, 16% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 enero 20, 2025.

This eDestinos deal was found by Cheapflights users on 1/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/410:40 amSEA - SHA
1 stop20h 10mHainan Airlines
mar. 3/118:35 amSHA - SEA
1 stop16h 05mHainan Airlines
Deal found 1/19$901
This FlightHub deal was found by Cheapflights users on 1/19. 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.
mar. 2/1812:45 pmSEA - PVG
1 stop16h 20mAsiana Airlines
mar. 2/2511:35 amPVG - SEA
1 stop15h 20mAsiana Airlines
Deal found 1/19$902
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1310:00 amSEA - PVG
2 stops32h 30mHainan Airlines
mié. 3/1911:35 amPVG - SEA
2 stops36h 25mHainan Airlines
Deal found 1/20$904
This Gurufare deal was found by Cheapflights users on 1/19. 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.
mié. 4/211:30 pmSEA - PVG
1 stop24h 00mPhilippine Airlines
mié. 5/144:00 pmPVG - SEA
1 stop18h 20mPhilippine Airlines
Deal found 1/19$921
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/55:45 amSEA - PVG
2 stops24h 55mMultiple Airlines
mié. 3/128:15 amPVG - SEA
2 stops25h 10mMultiple Airlines
Deal found 1/19$931
This Orbitz deal was found by Cheapflights users on 1/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/255:59 pmSEA - SHA
2 stops30h 36mMultiple Airlines
vie. 4/411:15 amSHA - SEA
1 stop36h 45mMultiple Airlines
Deal found 1/18$966
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/1512:40 pmSEA - PVG
Nonstop13h 15mDelta
sáb. 3/227:05 pmPVG - SEA
Nonstop11h 00mDelta
Deal found 1/20$980
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1910:35 amSEA - PVG
2 stops22h 40mANA
mar. 2/252:30 amPVG - SEA
1 stop26h 50mANA
Deal found 1/20$982
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/175:15 amSEA - PVG
2 stops22h 30mUnited Airlines
lun. 3/241:30 pmPVG - SEA
2 stops22h 31mUnited Airlines
Deal found 1/20$985
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/183:04 pmSEA - PVG
2 stops30h 21mAir China
mar. 2/257:15 pmPVG - SEA
2 stops36h 37mAir China
Deal found 1/20$993
This Gurufare deal was found by Cheapflights users on 1/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/131:45 pmSEA - SHA
2 stops31h 30mANA
mié. 5/281:35 pmSHA - SEA
2 stops19h 58mANA
Deal found 1/20$994
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/412:43 amSEA - PVG
1 stop23h 27mAmerican Airlines
mié. 3/126:10 pmPVG - SEA
1 stop21h 38mAmerican Airlines
Deal found 1/19$998

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 enero 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 3/4

10:40 am-10:50 pm

1 stop20h 10m

Shanghai Hongqiao Intl

mar. 3/11

8:35 am-9:40 am

1 stop16h 05m

$901

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mar. 2/18

12:45 pm-9:05 pm

1 stop16h 20m

Shanghai Pu Dong

mar. 2/25

11:35 am-10:55 am

1 stop15h 20m

$902

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

jue. 2/13

10:00 am-10:30 am

2 stops32h 30m

Shanghai Pu Dong

mié. 3/19

11:35 am-9:00 am

2 stops36h 25m

$904

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mié. 4/2

11:30 pm-2:30 pm

1 stop24h 00m

Shanghai Pu Dong

mié. 5/14

4:00 pm-7:20 pm

1 stop18h 20m

$921

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mié. 3/5

5:45 am-10:40 pm

2 stops24h 55m

Shanghai Pu Dong

mié. 3/12

8:15 am-6:25 pm

2 stops25h 10m

$931

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 2/25

5:59 pm-4:35 pm

2 stops30h 36m

Shanghai Hongqiao Intl

vie. 4/4

11:15 am-9:00 am

1 stop36h 45m

$966

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

sáb. 3/15

12:40 pm-4:55 pm

Nonstop13h 15m

Shanghai Pu Dong

sáb. 3/22

7:05 pm-3:05 pm

Nonstop11h 00m

$980

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mié. 2/19

10:35 am-1:15 am

2 stops22h 40m

Shanghai Pu Dong

mar. 2/25

2:30 am-1:20 pm

1 stop26h 50m

$982

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

lun. 3/17

5:15 am-6:45 pm

2 stops22h 30m

Shanghai Pu Dong

lun. 3/24

1:30 pm-9:01 pm

2 stops22h 31m

$985

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mar. 2/18

3:04 pm-1:25 pm

2 stops30h 21m

Shanghai Pu Dong

mar. 2/25

7:15 pm-3:52 pm

2 stops36h 37m

$993

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 47 results
1
2
3
...
5

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 January 17, 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 $1,843). 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 enero 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 enero 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 enero 20, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Delta 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.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,255 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 10 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 $903, Hainan Airlines will fly you from Seattle to Shanghai and back. In addition to Hainan Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Philippine Airlines and Asiana Airlines - these airlines can fly you to your destination from $910 and $936, respectively. You may be able to fly from Seattle to Shanghai for 32% 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 $430 on Hainan Airlines. Other airlines that offer cheap prices include Delta from $499 and United Airlines from $510 one-way.

  • What are the cheapest flights from Seattle to Shanghai?

    The cheapest flight price from Seattle to Shanghai is $603. On average you can expect to pay $886. The most popular route, (Seattle/Tacoma Intl - Shanghai Hongqiao Intl), can usually be booked for $862.

  • 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 Incheon. Incheon is followed by Taipei City 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 Incheon?

    Most Incheon visitors opt to spend their time experiencing G Tower, Wolmido Amusement Park, and Moraenae Market. G Tower, Wolmido Amusement Park and Moraenae Market are located about 10.7 mi, 8.3 mi, and 14.7 mi, respectively from Incheon Intl if you are interested in checking them out. Those on a layover in Incheon in need of a rental car can book one at Incheon Intl for about $52.

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

    The majority of Taipei City visitors spend their time at Taipei 101, Shilin Night Market, and Raohe Street Night Market. Travelers on a layover in Taipei City can visit Taipei 101, Shilin Night Market, and Raohe Street Night Market, by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively after landing at Taipei City Taiwan Taoyuan Intl. Travelers can book a car rental at Taipei City Taiwan Taoyuan Intl for about $85 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 $1,843). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Seattle to Shanghai

Discover the top 10 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 enero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$468Average$980FlexibilityNo 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$897Average$1,457FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$907Average$1,074FlexibilityNo cancel feeOn-time81%
ANACheapest$955Average$1,195FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$970Average$1,185FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,051Average$1,382FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,096Average$1,577FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.