$354+ Cheap flights from Las Vegas to Niagara Falls, NY (LAS - IAG)
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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — IAG
Jun 17 — Jun 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Las Vegas to Niagara Falls 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.Find flight deals from Las Vegas to Niagara Falls
Cheapest flights from Las Vegas to Niagara FallsExplore the most affordable flight options available from Las Vegas to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Las Vegas to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Fri 12/197:00 amLAS - IAG
2 stops25h 27mAllegiant Air
Tue 12/237:20 pmIAG - LAS
2 stops22h 27mAllegiant Air
Deal found 6/11![Allegiant Air logo]()
$847
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Niagara Falls 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 Las Vegas to Niagara Falls that are best for you.
Fly from
Las Vegas
Fly to
Niagara Falls
Route
Depart
Return
Price
Las VegasNiagara Falls
LAS - IAG
LASIAG
Las Vegas Harry Reid Intl
Sun 6/22
12:35 am-8:27 pm
2 stops16h 52m
$354
Las VegasNiagara Falls
LAS - IAG
LASIAG
Las Vegas Harry Reid Intl
Mon 6/23
6:45 am-8:27 pm
2 stops10h 42m
$514
Best time to book a flight from Las Vegas to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Las Vegas 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 Las Vegas to Niagara Falls
Rainfall in Niagara Falls by month
Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Niagara Falls, New York ranges from 2.2 - 3.4 inches per month. September is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Niagara Falls, New York when rainfall is around 2.2 in.
Temperature in Niagara Falls by month
Plan your trip to Niagara Falls by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Niagara Falls, New York, 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 23.0 F).
Reviews of airlines servicing Niagara Falls
Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated June 12, 2025.
Entertainment
5.5
Overall
7.3
Boarding
7.6
Food
5.9
Crew
8.1
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentJoellen,Aug 2024
LAS - GEG
Entertainment
5.5
Overall
7.3
Boarding
7.6
Food
5.9
Crew
8.1
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentJoellen,Aug 2024
LAS - GEG