$641 Cheap Flights from Seattle (SEA) to Weihai (WEH)

View $641 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Weihai (WEH)

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Cheap Flights from Seattle to Weihai (SEA-WEH)

Prices were available within the past 7 days and start at $641 for one-way flights and $1,172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, Feb 2 - Mon, Apr 6
SEA
Seattle
WEH
Weihai
$1,172 Roundtrip, found 6 hours ago
$1,172
Roundtrip
found 6 hours ago
Select China Eastern Airlines flight, departing Mon, Feb 2 from Seattle to Weihai, returning Mon, Apr 6, priced at $1,172 found 6 hours ago
China Eastern Airlines
Sat, Feb 7 - Mon, Apr 6
SEA
Seattle
WEH
Weihai
$1,197 Roundtrip, found 6 hours ago
$1,197
Roundtrip
found 6 hours ago
Select China Eastern Airlines flight, departing Sat, Feb 7 from Seattle to Weihai, returning Mon, Apr 6, priced at $1,197 found 6 hours ago
Air China
Tue, Feb 3 - Tue, Apr 7
SEA
Seattle
WEH
Weihai
$1,272 Roundtrip, found 6 hours ago
$1,272
Roundtrip
found 6 hours ago
Select Air China flight, departing Tue, Feb 3 from Seattle to Weihai, returning Tue, Apr 7, priced at $1,272 found 6 hours ago
China Eastern Airlines
Mon, Feb 2 - Thu, Apr 9
SEA
Seattle
WEH
Weihai
$1,287 Roundtrip, found 6 hours ago
$1,287
Roundtrip
found 6 hours ago
Select China Eastern Airlines flight, departing Mon, Feb 2 from Seattle to Weihai, returning Thu, Apr 9, priced at $1,287 found 6 hours ago
China Eastern Airlines
Sat, Feb 7 - Thu, Apr 9
SEA
Seattle
WEH
Weihai
$1,312 Roundtrip, found 6 hours ago
$1,312
Roundtrip
found 6 hours ago
Select China Eastern Airlines flight, departing Sat, Feb 7 from Seattle to Weihai, returning Thu, Apr 9, priced at $1,312 found 6 hours ago
Air Canada
Thu, Feb 5 - Wed, Apr 8
SEA
Seattle
WEH
Weihai
$1,355 Roundtrip, found 6 hours ago
$1,355
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Thu, Feb 5 from Seattle to Weihai, returning Wed, Apr 8, priced at $1,355 found 6 hours ago
China Eastern Airlines
Mon, Feb 2 - Wed, Apr 8
SEA
Seattle
WEH
Weihai
$1,357 Roundtrip, found 6 hours ago
$1,357
Roundtrip
found 6 hours ago
Select China Eastern Airlines flight, departing Mon, Feb 2 from Seattle to Weihai, returning Wed, Apr 8, priced at $1,357 found 6 hours ago
China Eastern Airlines
Mon, Feb 2 - Sun, Apr 5
SEA
Seattle
WEH
Weihai
$1,367 Roundtrip, found 6 hours ago
$1,367
Roundtrip
found 6 hours ago
Select China Eastern Airlines flight, departing Mon, Feb 2 from Seattle to Weihai, returning Sun, Apr 5, priced at $1,367 found 6 hours ago
United
Thu, Feb 5 - Wed, Apr 8
SEA
Seattle
WEH
Weihai
$1,585 Roundtrip, found 6 hours ago
$1,585
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Feb 5 from Seattle to Weihai, returning Wed, Apr 8, priced at $1,585 found 6 hours ago
Qatar Airways
Thu, Feb 5 - Wed, Apr 8
SEA
Seattle
WEH
Weihai
$1,602 Roundtrip, found 6 hours ago
$1,602
Roundtrip
found 6 hours ago
Select Qatar Airways flight, departing Thu, Feb 5 from Seattle to Weihai, returning Wed, Apr 8, priced at $1,602 found 6 hours ago

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH) cost?
Grab a cheap one-way flight from $641 or cheap return flight from $1,172 from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH)?
February is the cheapest month to fly from SEA to WEH. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from SEA to WEH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to WEH?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH) last-minute?
Waiting until right before your break to book a flight from SEA to WEH often results in higher prices. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans to boost your chances of scoring a bargain.
Is it cheaper to book a SEA to WEH flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to WEH flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Weihai Airport (WEH)?
In most cases, you can reschedule or cancel your SEA to WEH flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Weihai
Roundtrip price
$1,172
Distance
5366 mi

Book with confidence

Seattle to Weihai Flights

The cheapest times to fly from Seattle to Weihai

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Weihai are during the month of February. You can find some of the cheapest flights from Seattle to Weihai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Weihai

Sunday is one of the best days to book for cheap flights from Seattle to Weihai: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Weihai

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Weihai in 2025. You can also book with separate airlines for your outbound and return journeys, from $641 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Weihai flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Weihai airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Weihai Flights

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*Available to One Key members.