HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lanzhou

$431+ Cheap flights from Seattle (SEA) to Lanzhou (LHW)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHW
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Lanzhou with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Round-trip from

$895
(FlightHub)

One-way from

$431
(Kiwi.com)
From Seattle/Tacoma Intl to Lanzhou Arpt
Search Deals
One-way flight from Seattle/Tacoma Intl to Lanzhou Arpt
Search Deals

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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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.
Thu 3/1311:00 amSEA - LHW
3 stops39h 20mHainan Airlines
Wed 5/145:35 pmLHW - SEA
3 stops30h 25mHainan Airlines
Deal found 2/20$895
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Wed 3/127:10 amSEA - LHW
2 stops26h 25mChina Eastern
Wed 5/142:35 pmLHW - SEA
2 stops41h 25mChina Eastern
Deal found 2/20$986
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1311:00 amSEA - LHW
1 stop20h 55mMultiple Airlines
Tue 5/139:15 pmLHW - SEA
2 stops37h 05mMultiple Airlines
Deal found 2/20$1,189
This Air China deal was found by Cheapflights users on 2/20. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/129:18 amSEA - LHW
2 stops34h 52mAir China
Wed 5/148:20 amLHW - SEA
2 stops22h 38mAir China
Deal found 2/20$6,335

Find flights from Seattle to Lanzhou within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

Lanzhou

Route

Depart

Return

Price

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Thu 3/13

11:00 am-5:20 pm

3 stops39h 20m

Lanzhou Arpt

Wed 5/14

5:35 pm-9:00 am

3 stops30h 25m

$895

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Wed 3/12

7:10 am-12:35 am

2 stops26h 25m

Lanzhou Arpt

Wed 5/14

2:35 pm-5:00 pm

2 stops41h 25m

$986

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Thu 3/13

11:00 am-10:55 pm

1 stop20h 55m

Lanzhou Arpt

Tue 5/13

9:15 pm-7:20 pm

2 stops37h 05m

$1,189

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Wed 3/12

9:18 am-11:10 am

2 stops34h 52m

Lanzhou Arpt

Wed 5/14

8:20 am-3:58 pm

2 stops22h 38m

$6,335

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Thu 3/13

7:57 pm-10:50 am

2 stops47h 53m

$431

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Thu 3/13

11:00 am-5:20 pm

3 stops39h 20m

$470

SeattleLanzhou

SEA - LHW

SEALHW

Seattle/Tacoma Intl

Wed 3/12

7:10 am-12:35 am

2 stops26h 25m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Seattle to Lanzhou

Get recent, data-driven insights about flights from Seattle to Lanzhou including ideal travel times, pricing trends, and more.

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 February 20, 2025.
Peruse reviews from past customers who have flown with Hainan Airlines and China Eastern from Seattle to Lanzhou to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
7.8
Good
31 reviews

Crew

8.8

Food

8.3

Comfort

8.0

Overall

7.8

Boarding

8.4

Entertainment

7.5

Reviews

1 / 1

10.0
Excellent

Wei,Sep 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.

Hainan Airlines
7.8
Good
31 reviews
Hainan Airlines
7.8
Good
31 reviews

Crew

8.8

Food

8.3

Comfort

8.0

Overall

7.8

Boarding

8.4

Entertainment

7.5

Reviews

1 / 1

10.0
Excellent

Wei,Sep 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.

China Eastern
7.0
Good
126 reviews
Hainan Airlines
7.8
Good
31 reviews

Crew

8.8

Food

8.3

Comfort

8.0

Overall

7.8

Boarding

8.4

Entertainment

7.5

Reviews

1 / 1

10.0
Excellent

Wei,Sep 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.

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.

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.

Search flights from Seattle to Lanzhou by cabin class

Find flights from Seattle to Lanzhou, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.