$417 Cheap Flights from Seattle (SEA) to Lanzhou (LHW)

View $417 flight on Sat, Mar 21, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Lanzhou (LHW-Zhongchuan)

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Cheap Flights from Seattle to Lanzhou (SEA-LHW)

Prices were available within the past 7 days and start at $417 for one-way flights and $710 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Dec 2 - Tue, Dec 16
SEA
Seattle
LHW
Lanzhou
$710 Roundtrip, found 10 hours ago
$710
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Lanzhou, returning Tue, Dec 16, priced at $710 found 10 hours ago
Alaska Airlines
Tue, Dec 2 - Sun, Dec 14
SEA
Seattle
LHW
Lanzhou
$760 Roundtrip, found 10 hours ago
$760
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Lanzhou, returning Sun, Dec 14, priced at $760 found 10 hours ago
Hainan Airlines
Tue, Jan 20 - Fri, Feb 6
SEA
Seattle
LHW
Lanzhou
$775 Roundtrip, found 10 hours ago
$775
Roundtrip
found 10 hours ago
Select Hainan Airlines flight, departing Tue, Jan 20 from Seattle to Lanzhou, returning Fri, Feb 6, priced at $775 found 10 hours ago
Hawaiian Airlines
Mon, Nov 24 - Wed, Dec 10
SEA
Seattle
LHW
Lanzhou
$809 Roundtrip, found 10 hours ago
$809
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Mon, Nov 24 from Seattle to Lanzhou, returning Wed, Dec 10, priced at $809 found 10 hours ago
Alaska Airlines
Tue, Dec 2 - Wed, Dec 17
SEA
Seattle
LHW
Lanzhou
$809 Roundtrip, found 6 days ago
$809
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Lanzhou, returning Wed, Dec 17, priced at $809 found 6 days ago
Alaska Airlines
Tue, Dec 2 - Tue, Dec 16
SEA
Seattle
LHW
Lanzhou
$829 Roundtrip, found 6 days ago
$829
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Lanzhou, returning Tue, Dec 16, priced at $829 found 6 days ago
Hawaiian Airlines
Mon, Nov 24 - Sun, Dec 7
SEA
Seattle
LHW
Lanzhou
$859 Roundtrip, found 10 hours ago
$859
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Mon, Nov 24 from Seattle to Lanzhou, returning Sun, Dec 7, priced at $859 found 10 hours ago
Hawaiian Airlines
Tue, Nov 25 - Wed, Dec 10
SEA
Seattle
LHW
Lanzhou
$860 Roundtrip, found 10 hours ago
$860
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Tue, Nov 25 from Seattle to Lanzhou, returning Wed, Dec 10, priced at $860 found 10 hours ago
Delta
Thu, Jan 8 - Thu, Jan 22
SEA
Seattle
LHW
Lanzhou
$929 Roundtrip, found 6 days ago
$929
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Jan 8 from Seattle to Lanzhou, returning Thu, Jan 22, priced at $929 found 6 days ago
United
Tue, Dec 9 - Tue, Dec 30
SEA
Seattle
LHW
Lanzhou
$2,061 Roundtrip, found 16 hours ago
$2,061
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Dec 9 from Seattle to Lanzhou, returning Tue, Dec 30, priced at $2,061 found 16 hours ago

Alternative airports near Lanzhou

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Zhongchuan LHW. Cheapest and Closest option available. Average driving time to city center is 30 minutes. Flights from $961
LHW
Zhongchuan
CheapestClosest
Average driving time to city center30 min
Flights from $961
Flights from Seattle (SEA) to Lanzhou (LHW)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Zhongchuan
Roundtrip price
$709
Distance
5980 mi

Seattle to Lanzhou Flights

The cheapest times to fly from Seattle to Lanzhou

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 Lanzhou are during the month of December. You can find some of the cheapest flights from Seattle to Lanzhou with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Lanzhou

Sunday is one of the best days to book for cheap flights from Seattle to Lanzhou: 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 Lanzhou

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 Lanzhou in 2025. You can also book with separate airlines for your outbound and return journeys, from $417 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 Lanzhou 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 Lanzhou 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW) cost?
Lock in a cheap one-way flight from $417 or cheap return flight from $710 from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW)?
December is the cheapest month to fly from SEA to LHW. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to LHW flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW)?
You'll need to catch a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SEA to LHW?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, airline and other factors.*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 Zhongchuan Airport (LHW)?
To arrive at Zhongchuan Airport (LHW) without delays, choose a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Zhongchuan Airport (LHW) last-minute?
Waiting until just before your departure to book your flight from SEA to LHW often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a SEA to LHW flight and hotel package?
Booking a SEA to LHW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Zhongchuan Airport (LHW)?
If you reserved your SEA to LHW flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.