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$489+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SHA
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 7 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 abril 29, 2025.

Round-trip from

$839
(StudentUniverse)

One-way from

$489
(Travelocity)

Popular in

June

Cheapest in

March

Average price

$1,034
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. 17% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1111:00 amSEA - PVG
1 stop21h 45mHainan Airlines
mié. 10/14:25 pmPVG - SEA
1 stop31h 35mHainan Airlines
Deal found 4/28$839
This Gurufare deal was found by Cheapflights users on 4/28. 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.
jue. 9/1111:00 amSEA - SHA
2 stops44h 55mHainan Airlines
mié. 10/18:30 amSHA - SEA
2 stops39h 30mHainan Airlines
Deal found 4/28$852
This Philippine Airlines deal was found by Cheapflights users on 4/27. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/85:59 pmSEA - PVG
2 stops29h 31mMultiple Airlines
lun. 12/14:00 pmPVG - SEA
2 stops33h 56mMultiple Airlines
Deal found 4/27$864
This oojo deal was found by Cheapflights users on 4/27. 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 stop18h 10mChina Airlines
mar. 10/77:50 pmPVG - SEA
1 stop14h 30mChina Airlines
Deal found 4/27$875
This oojo deal was found by Cheapflights users on 4/29. 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.
jue. 9/118:00 amSEA - PVG
2 stops39h 30mPhilippine Airlines
dom. 9/214:00 pmPVG - SEA
1 stop18h 15mPhilippine Airlines
Deal found 4/29$878
This oojo deal was found by Cheapflights users on 4/28. 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.
mié. 11/122:00 pmSEA - PVG
1 stop14h 55mAsiana Airlines
lun. 12/111:40 amPVG - SEA
1 stop16h 55mAsiana Airlines
Deal found 4/28$909
This Gotogate deal was found by Cheapflights users on 4/27. 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.
jue. 5/11:30 pmSEA - SHA
1 stop30h 55mMultiple Airlines
mié. 5/146:25 pmSHA - SEA
1 stop31h 15mMultiple Airlines
Deal found 4/27$914
This KAYAK deal was found by Cheapflights users on 4/28. 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.
mié. 9/241:45 pmSEA - SHA
2 stops31h 30mANA
mié. 10/151:35 pmSHA - SEA
2 stops20h 01mANA
Deal found 4/28$918
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
mié. 9/241:45 pmSEA - PVG
2 stops19h 50mANA
mié. 10/158:25 amPVG - SEA
2 stops25h 11mANA
Deal found 4/28$918
This oojo deal was found by Cheapflights users on 4/29. 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.
jue. 9/1812:50 pmSEA - PVG
1 stop16h 20mKorean Air
dom. 10/1211:10 amPVG - SEA
1 stop14h 30mKorean Air
Deal found 4/29$928
This oojo deal was found by Cheapflights users on 4/29. 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. 8/181:20 pmSEA - SHA
1 stop36h 45mKorean Air
mié. 9/106:25 pmSHA - SEA
1 stop31h 15mKorean Air
Deal found 4/29$947
This oojo deal was found by Cheapflights users on 4/29. 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.
jue. 9/118:08 amSEA - SHA
2 stops36h 17mJapan Airlines
dom. 9/2112:50 pmSHA - SEA
2 stops60h 26mJapan Airlines
Deal found 4/29$979

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 abril 29, 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. 6/12

8:41 am-12:35 am

2 stops24h 54m

Shanghai Pu Dong

jue. 6/19

8:25 am-2:25 pm

1 stop21h 00m

$963

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

sáb. 5/3

11:00 am-10:55 am

1 stop32h 55m

Shanghai Hongqiao Intl

lun. 5/12

8:15 pm-9:00 am

1 stop27h 45m

$984

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

sáb. 5/3

11:00 am-10:00 am

1 stop32h 00m

Shanghai Pu Dong

lun. 5/12

11:15 am-9:00 am

1 stop36h 45m

$984

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mar. 5/20

7:10 pm-4:45 pm

1 stop30h 35m

Shanghai Pu Dong

mié. 6/25

10:25 pm-5:15 pm

1 stop33h 50m

$1,010

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mié. 5/7

1:50 am-4:30 pm

1 stop23h 40m

Shanghai Hongqiao Intl

mar. 6/3

2:05 pm-7:30 pm

2 stops20h 25m

$1,068

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mié. 5/7

1:50 am-2:40 pm

1 stop21h 50m

Shanghai Pu Dong

mar. 6/3

8:05 pm-7:30 pm

1 stop14h 25m

$1,078

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

mar. 5/6

1:40 pm-11:25 am

2 stops54h 45m

Shanghai Hongqiao Intl

sáb. 5/10

12:50 pm-11:01 pm

2 stops25h 11m

$1,127

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

vie. 5/30

5:30 am-2:05 pm

1 stop17h 35m

Shanghai Pu Dong

jue. 6/5

3:55 pm-2:13 pm

1 stop13h 18m

$1,142

SeattleShanghai

SEA - PVG

SEAPVG

Seattle/Tacoma Intl

mar. 5/13

1:40 pm-10:50 am

2 stops30h 10m

Shanghai Pu Dong

mié. 5/28

7:50 pm-9:09 am

2 stops28h 19m

$1,156

SeattleShanghai

SEA - SHA

SEASHA

Seattle/Tacoma Intl

lun. 5/5

1:50 am-4:30 pm

1 stop23h 40m

Shanghai Hongqiao Intl

sáb. 5/10

7:40 pm-12:50 pm

2 stops32h 10m

$1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 25, 2025.

Booking 7 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, April is the cheapest month in which you can book a flight from Seattle to Shanghai (average of $1,167). Flying from Seattle to Shanghai in June is currently the most expensive (average of $1,765). 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 abril 29, 2025.

It’s optimal to fly from Seattle to Shanghai in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

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 abril 29, 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
1,186 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,066 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,459 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.3
Very good
852 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 0 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 $839, 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 China Airlines and Philippine Airlines - these airlines can fly you to your destination from $875 and $878, respectively. You may be able to fly from Seattle to Shanghai for 31% 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 $509 on Asiana Airlines. Other airlines that offer cheap prices include China Airlines from $515 and Korean Air from $516 one-way.

  • What are the cheapest flights from Seattle to Shanghai?

    The cheapest flight price from Seattle to Shanghai is $483. On average you can expect to pay $3,592. The most popular route, (Seattle/Tacoma Intl - Shanghai Hongqiao Intl), can usually be booked for $852.

  • 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, Tsukiji Outer Market, and Tokyo Tower. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower, by traveling 10.3 mi, 7.9 mi, and 7.9 mi, respectively after landing at Tokyo Haneda. Travelers can book a car rental at Tokyo Haneda for about $73 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, April is the cheapest month in which you can book a flight from Seattle to Shanghai (average of $1,167). Flying from Seattle to Shanghai in June is currently the most expensive (average of $1,765). 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$425Average$1,032FlexibilityNo cancel feeOn-time61%
Asiana AirlinesCheapest$694Average$1,019FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$712Average$1,351FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$718Average$945FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$719Average$1,200FlexibilityNo cancel feeOn-time67%
DeltaCheapest$796Average$1,292FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$840Average$1,125FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$907Average$1,070FlexibilityNo cancel feeOn-time81%
ANACheapest$955Average$1,096FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$1,047Average$1,493FlexibilityNo cancel feeOn-time74%

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