$427+ Cheap flights from Niagara Falls, NY to Las Vegas (IAG - LAS)
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — LAS
Aug 23 — Aug 301
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
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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 Niagara Falls to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Niagara Falls (IAG) to Las Vegas (LAS). 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 August 18, 2025.
Round-trip from | $427 (Mytrip) |
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Find flight deals from Niagara Falls to Las Vegas
Cheapest flights from Niagara Falls to Las VegasExplore the most affordable flight options available from Niagara Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.
Explore the most affordable flight options available from Niagara Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:40 pmIAG - LAS
2 stops12h 25mMultiple Airlines
Thu 9/412:05 pmLAS - IAG
3 stops23h 17mMultiple Airlines
Deal found 8/16![Multiple Airlines logo]()
$427
Cheapflights Fare Finder
Customize your flight search to find flights from Niagara Falls to Las Vegas 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 August 18, 2025.
Use the filters below to find and compare flights from Niagara Falls to Las Vegas that are best for you.
Fly from
Niagara Falls
Fly to
Las Vegas
Route
Depart
Return
Price
Niagara FallsLas Vegas
IAG - LAS
IAGLAS
Niagara Falls
Sun 8/31
1:40 pm-11:05 pm
2 stops12h 25m
Las Vegas Harry Reid Intl
Thu 9/4
12:05 pm-2:22 pm
3 stops23h 17m
$427
Best time to book a flight from Niagara Falls to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Niagara Falls 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 Niagara Falls to Las Vegas
What is the cheapest month to book a flight from Niagara Falls, New York to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from Niagara Falls, New York to Las Vegas (average of $198). Flying from Niagara Falls, New York to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Niagara Falls to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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