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Cheap flights from Washington to Lanzhou from $1,049

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Lanzhou departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Lanzhou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:59 pm - 12:00 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
27h 01m2 stops Los Angeles Los Angeles Xiamen Gaoqi Intl
Multiple Airlines Logo
1:05 pm - 8:52 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
34h 47m2 stops Xiamen Gaoqi Intl Los Angeles Los Angeles
$1,049Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
7:18 am - 11:25 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
25h 07m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
7:50 am - 6:33 pmLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
25h 43m2 stops Shanghai Pu Dong San Francisco
$1,073Multiple Airlines
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
7:56 pm - 12:00 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
25h 04m2 stops Vancouver Intl Xiamen Gaoqi Intl
Multiple Airlines Logo
7:20 pm - 8:52 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
52h 32m3 stops Chongqing Wanxian Xiamen Gaoqi Intl Los Angeles Los Angeles
$1,080Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
7:10 pm - 12:00 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
25h 50m2 stops Los Angeles Los Angeles Xiamen Gaoqi Intl
Multiple Airlines Logo
1:05 pm - 9:51 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
35h 46m2 stops Xiamen Gaoqi Intl Los Angeles Los Angeles
$1,095Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
2:56 pm - 1:20 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
31h 24m2 stops Los Angeles Los Angeles Guangzhou Baiyun
Multiple Airlines Logo
11:45 am - 8:08 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
35h 23m2 stops Wuhan San Francisco
$1,099Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
11:55 am - 10:00 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
19h 05m1 stop Chongqing Jiangbei Intl
Multiple Airlines Logo
9:00 pm - 9:55 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
27h 55m2 stops Guangzhou Baiyun Chongqing Jiangbei Intl
$1,103Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
12:25 pm - 1:05 amSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
21h 40m2 stops Hong Kong Intl Xiamen Gaoqi Intl
Multiple Airlines Logo
9:10 pm - 9:55 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
27h 45m2 stops Shenzhen Chongqing Jiangbei Intl
$1,108Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
1:41 pm - 5:45 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
37h 04m3 stops San Francisco Wuhan Guangzhou Baiyun
Multiple Airlines Logo
7:30 am - 8:08 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
39h 38m3 stops Guangzhou Baiyun Wuhan San Francisco
$1,177Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
11:55 am - 10:00 pmSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
19h 05m1 stop Chongqing Jiangbei Intl
Multiple Airlines Logo
7:00 pm - 9:55 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
29h 55m1 stop Chongqing Jiangbei Intl
$1,200Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Hainan Airlines Logo
11:55 am - 11:40 amSEA  Seattle/Tacoma Intl-LHW Lanzhou Arpt
32h 45m3 stops Chongqing Jiangbei Intl Haikou Meilan Intl Longnan Cheng Xian
Hainan Airlines Logo
5:35 pm - 9:55 amLHW  Lanzhou Arpt-SEA Seattle/Tacoma Intl
31h 20m3 stops Changsha Huanghua Intl Haikou Meilan Intl Chongqing Jiangbei Intl
$1,203Hainan Airlines
Thu, Sep 10 - Wed, Sep 16

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Hainan Airlines flights from State of Washington to Lanzhou

Our best Hainan Airlines deals on State of Washington to Lanzhou flight tickets
Hainan Airlines
Sep 10
SEA11:55 amSeattle/Tacoma Intl
32h 45m
3 stops
LHW11:40 amLanzhou Arpt
Sep 16
LHW5:35 pmLanzhou Arpt
31h 20m
3 stops
SEA9:55 amSeattle/Tacoma Intl
$1,203
Hainan Airlines
Sep 24
SEA11:55 amSeattle/Tacoma Intl
32h 45m
3 stops
LHW11:40 amLanzhou Arpt
Oct 1
LHW5:35 pmLanzhou Arpt
54h 25m
2 stops
SEA9:00 amSeattle/Tacoma Intl
$1,382

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Lanzhou 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Washington to Lanzhou that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Tue 9/22

5:59 pm-12:00 pm

2 stops27h 01m

Lanzhou Arpt

Tue 9/29

1:05 pm-8:52 am

2 stops34h 47m

$1,049

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Sat 9/26

7:18 am-11:25 pm

2 stops25h 07m

Lanzhou Arpt

Sat 10/3

7:50 am-6:33 pm

2 stops25h 43m

$1,073

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Mon 9/21

7:56 pm-12:00 pm

2 stops25h 04m

Lanzhou Arpt

Mon 9/28

7:20 pm-8:52 am

3 stops52h 32m

$1,080

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Thu 9/24

7:10 pm-12:00 pm

2 stops25h 50m

Lanzhou Arpt

Thu 10/1

1:05 pm-9:51 am

2 stops35h 46m

$1,095

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Mon 9/21

2:56 pm-1:20 pm

2 stops31h 24m

Lanzhou Arpt

Mon 9/28

11:45 am-8:08 am

2 stops35h 23m

$1,099
Quickest round-trip

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Thu 9/10

11:55 am-10:00 pm

1 stop19h 05m

Lanzhou Arpt

Wed 9/16

9:00 pm-9:55 am

2 stops27h 55m

$1,103

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Thu 9/10

12:25 pm-1:05 am

2 stops21h 40m

Lanzhou Arpt

Wed 9/16

9:10 pm-9:55 am

2 stops27h 45m

$1,108

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Mon 9/21

1:41 pm-5:45 pm

3 stops37h 04m

Lanzhou Arpt

Mon 9/28

7:30 am-8:08 am

3 stops39h 38m

$1,177

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Thu 9/10

11:55 am-10:00 pm

1 stop19h 05m

Lanzhou Arpt

Wed 9/16

7:00 pm-9:55 am

1 stop29h 55m

$1,200

SeattleLanzhou

SEA Seattle/Tacoma Intl - LHW Lanzhou Arpt

SEALHW

Seattle/Tacoma Intl

Thu 9/10

11:55 am-11:40 am

3 stops32h 45m

Lanzhou Arpt

Wed 9/16

5:35 pm-9:55 am

3 stops31h 20m

$1,203

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Lanzhou flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Lanzhou

Fastest flight time

30h 22m

Direct flights

None
The fastest flight from State of Washington to Lanzhou takes 30h 22m
There are no direct flights from State of Washington to Lanzhou. There are no popular flight routes from State of Washington to Lanzhou.
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Frequently asked questions about flying from Washington to Lanzhou

  • When did momondo last update prices for flights from Washington to Lanzhou Arpt Airport?

    Prices for flights from Washington to Lanzhou Arpt Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington to Lanzhou Arpt Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Lanzhou Arpt Airport.

  • What documentation or ID do you need to fly to Lanzhou Arpt Airport?

    The travel and health documents you'll need for your trip to Lanzhou Arpt Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lanzhou Arpt Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Washington to Lanzhou

  • How do I get Price Alerts for flights from State of Washington to Lanzhou?

    Confirm your travel details to search for the latest offers for flights from State of Washington to Lanzhou. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from State of Washington to Lanzhou with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Lanzhou?

Finding the right flight to Lanzhou from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lanzhou quick and easy, saving you time and money.

Can I find flights from Washington to Lanzhou with flexible booking policies on momondo?

Flights from Washington to Lanzhou with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Lanzhou?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lanzhou from Washington.

I’m not ready to book a flight from Washington to Lanzhou right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Lanzhou flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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