Cheap flights from Buffalo Niagara to Las Vegas

Compare Buffalo Niagara to Las Vegas flight deals

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Flight deals from Buffalo Niagara to Las Vegas

Looking for a cheap last-minute deal or the best round-trip flight from Buffalo Niagara to Las Vegas? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Buffalo Niagara to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Las Vegas flights are currently cheapest in October.

Direct flights from Buffalo Niagara to Las Vegas

Alternative Buffalo Niagara to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Buffalo Niagara to Las Vegas? You could fly into the following airports instead.

Buffalo to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$157
Cheapest month to flyOctober
Average flight time5 hrs
Most popular airlineSouthwest Airlines
Average flights per week8

Finding cheap flights from Buffalo Niagara to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City Municipal.
The best price we found for a round-trip flight from Buffalo Niagara to Las Vegas is $157. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours is the average flight time from Buffalo Niagara to Las Vegas.
Southwest Airlines flies direct from Buffalo Niagara to Las Vegas.
There are 8 flights per week flying from Buffalo Niagara to Las Vegas, as of September 2025.
The cheapest month to fly from Buffalo Niagara to Las Vegas is usually October.
If you're flying from Buffalo Niagara Airport, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the center of Las Vegas. We've found flights to this airport from $157.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Las Vegas on Monday, October 20, 2025.
Yes – the average flight time is 5 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 25°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Las Vegas.

Flying from Buffalo Niagara International Airport (BUF) to Las Vegas: what you need to know

  • The average time for a direct flight from Buffalo Niagara International Airport to Las Vegas is 4 hours 20 minutes.

  • The timezone in Las Vegas is UTC-7. The city is three hours behind Buffalo, where Buffalo Niagara International Airport is located.

  • Buffalo Niagara International Airport (BUF) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the most popular route, with four departures a week to choose from. You can fly from BUF to LAS at 06:05 with Southwest Airlines.

  • For a relaxed start to your BUF to Las Vegas flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Delays at security and check-in are more likely if you're jetting off during high season, so allow a little extra breathing room. A good rule of thumb for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • Direct Buffalo Niagara International Airport to Las Vegas tickets are available for booking. Harry Reid Airport (formerly McCarran Airport) (LAS) is where you'll arrive.

  • Take to the skies with Southwest Airlines. This popular airline operates direct flights from Buffalo Niagara International Airport to Las Vegas.

  • Located around 13 kilometers from the center of Buffalo, BUF can be reached in about 20 minutes by car. The journey on public transport takes roughly 1 hour 15 minutes.

  • Looking for a hotel near BUF? If you've booked an early flight from Buffalo Niagara International Airport to Las Vegas, these accommodation options will put you moments from your departure lounge:

  • When it comes to the on-time performance of Buffalo Niagara International Airport, 75.46% of flights complete their journey on time.

  • BUF is located at Genesee Street.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Las Vegas

  • $101 is currently the best price for a one-way Buffalo Niagara International Airport to Las Vegas flight. Return flight tickets start from $157. These fares can change based on availability.

  • Score cheap flights from BUF to Las Vegas by booking one month ahead. Based on our research, that's the best time for picking up a bargain.

  • May is the best month for nabbing an amazing deal on Buffalo Niagara International Airport to Las Vegas tickets. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Save time looking for cheap flights from BUF to Las Vegas by creating a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Save on your flight from Buffalo Niagara International Airport to Las Vegas with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is around 19 kilometers from the center of Las Vegas. If you're grabbing a cab or a ride-share, the drive will take roughly 15 minutes.

  • If you're traveling on public transport, expect a journey time of around 1 hour.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Buffalo Niagara International Airport to Las Vegas. Book one of these accommodation options near LAS instead:

  • Pick up a Harry Reid Airport (formerly McCarran Airport) rental car and explore Las Vegas and beyond with your own set of wheels. Dollar, Thrifty and Alamo are popular outlets to choose from here.

  • Booking your vehicle from Harry Reid Airport (formerly McCarran Airport) about one week before your flight from BUF to Las Vegas can help you get the lowest rate.

  • LAS is located at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Visit Las Vegas during high season if you prefer a bustling atmosphere, but remember that hotel prices are generally higher. Alternatively, book your flights from Buffalo Niagara International Airport to Las Vegas during the off-season when prices are cheaper and it's less crowded.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 42ºC (108ºF). Book your Buffalo Niagara International Airport to Las Vegas flight ticket then if that's your definition of good weather.

  • January has average temperatures of between -1ºC (30ºF) and 13ºC (55ºF). Look for a cheap ticket from BUF to Las Vegas around that time if you like traveling in cooler conditions.

More about Las Vegas

  • Start your Las Vegas trip right by choosing the perfect place to stay. Once you've booked your flight from Buffalo Niagara International Airport to Las Vegas, check out our selection of accommodation options including:

  • Fountains of Bellagio and Las Vegas Strip are just the start of the leading attractions to add to your Las Vegas must-do list. Continue your sightseeing adventures at Fremont Street Experience.

Explore more of United States

  • Las Vegas is easy to fall in love with, but there are so many other corners of United States just waiting to be discovered. About 370 kilometers south-west of Las Vegas, a trip to Los Angeles will fill your itinerary to the brim. Start with leading sights like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're interested in discovering another major stop in United States, consider Phoenix, roughly 418 kilometers south-east of Las Vegas. Desert Botanical Garden, Heard Museum and Papago Park are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.