$1,586+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHW
Apr 2 — Apr 91
1 adult, Economy
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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 March 28, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,586 (Gurufare) |
Find flight deals from Seattle to Lanzhou
Cheapest flights from Seattle to LanzhouExplore 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 March 28, 2025.
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 March 28, 2025.
This Gurufare deal was found by Cheapflights users on 3/28. 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.
Mon 5/125:59 pmSEA - LHW
3 stops32h 26mMultiple Airlines
Sat 6/142:45 pmLHW - SEA
2 stops34h 02mMultiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,586
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 March 28, 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
Mon 5/12
5:59 pm-5:25 pm
3 stops32h 26m
Lanzhou Arpt
Sat 6/14
2:45 pm-9:47 am
2 stops34h 02m
$1,586
- Most accurate provider: When it comes to deals on Seattle-Lanzhou flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Lanzhou flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Lanzhou flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Lanzhou flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Lanzhou flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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).