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Lanzhou

$1,184+ Cheap flights from Seattle (SEA) to Lanzhou (LHW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Seattle to Lanzhou

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lanzhou (LHW). 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 June 12, 2025.

Round-trip from

$1,184
(FlightHub)
From Seattle/Tacoma Intl to Lanzhou Arpt
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Find flight deals from Seattle to Lanzhou

Cheapest flights from Seattle to Lanzhou
Explore the most affordable flight options available from Seattle to Lanzhou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
Tue 7/157:20 amSEA - LHW
2 stops43h 30mChina Eastern
Thu 10/210:10 pmLHW - SEA
2 stops33h 49mChina Eastern
Deal found 6/10$1,184
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Tue 7/157:20 amSEA - LHW
3 stops44h 35mMultiple Airlines
Thu 10/27:20 amLHW - SEA
2 stops24h 39mMultiple Airlines
Deal found 6/10$1,642
This Gurufare deal was found by Cheapflights users on 6/10. 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.
Tue 7/1511:00 amSEA - LHW
1 stop31h 20mHainan Airlines
Thu 10/210:00 pmLHW - SEA
2 stops50h 00mHainan Airlines
Deal found 6/10$1,738
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 7/1511:40 amSEA - LHW
1 stop20h 45mDelta
Thu 10/210:10 pmLHW - SEA
1 stop30h 30mDelta
Deal found 6/10$27,395

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Seattle to Lanzhou that are best for you.

Fly from

Seattle

Fly to

Lanzhou

Route

Depart

Return

Price

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Tue 7/15

7:20 am-5:50 pm

2 stops43h 30m

Lanzhou Arpt

Thu 10/2

10:10 pm-4:59 pm

2 stops33h 49m

$1,184

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Tue 7/15

7:20 am-6:55 pm

3 stops44h 35m

Lanzhou Arpt

Thu 10/2

7:20 am-4:59 pm

2 stops24h 39m

$1,642

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Tue 7/15

11:00 am-9:20 am

1 stop31h 20m

Lanzhou Arpt

Thu 10/2

10:00 pm-9:00 am

2 stops50h 00m

$1,738

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Tue 7/15

11:40 am-11:25 pm

1 stop20h 45m

Lanzhou Arpt

Thu 10/2

10:10 pm-1:40 pm

1 stop30h 30m

$27,395

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Seattle to Lanzhou

Have a flexible travel schedule? Discover the best time to fly to Lanzhou 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 Lanzhou

Rainfall in Lanzhou by month

Plan your trip to Lanzhou by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lanzhou ranges from 0.0 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Lanzhou when rainfall is around 0.0 in.

Temperature in Lanzhou by month

Plan your trip to Lanzhou by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lanzhou, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Lanzhou

Get insights into the airlines that provide service to Lanzhou. 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 Lanzhou. Reviews last updated June 12, 2025.
Hainan Airlines
8.1
Very good
39 reviews

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.1
Very good
39 reviews
Hainan Airlines
8.1
Very good
39 reviews

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Delta
8.0
Very good
7,950 reviews
Hainan Airlines
8.1
Very good
39 reviews

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Eastern
7.2
Good
150 reviews
Hainan Airlines
8.1
Very good
39 reviews

Food

8.5

Overall

8.1

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lanzhou. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Seattle to Lanzhou that include hotel bookings?

    Yes. In addition to deals on Seattle to Lanzhou flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Lanzhou?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lanzhou.

  • Can I find deals for business class flights from Seattle to Lanzhou?

    Yes. Cheapflights offers flight deals from Seattle to Lanzhou by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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