Cheap Flights from Buffalo Niagara (BUF) to Las Vegas (LASA)

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Flight deals from Buffalo Niagara to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Las Vegas? If you want to travel next month, return fares start from £114. Find the lowest prices on one-way and return 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 May.

Direct flights from Buffalo Niagara to Las Vegas

Buffalo to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found£58
Cheapest month to flyMay
Average flight time4 hrs, 51 mins
Most popular airlineSouthwest Airlines
Average flights per week4

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Buffalo Niagara to Las Vegas is £114. 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.
4 hours and 51 minutes is the average flight time from Buffalo Niagara to Las Vegas.
Southwest Airlines flies direct from Buffalo Niagara to Las Vegas.
As of April 2026, there are 4 flights per week flying from Buffalo Niagara to Las Vegas.
The cheapest month to fly from Buffalo Niagara to Las Vegas is usually May.
If you're flying from Buffalo Niagara Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 2.7 miles away from the centre of Las Vegas. We've found flights into this airport from £114.
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 Saturday, 9 May 2026.
Yes – the average flight time is 4 hours and 51 minutes.
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 April, the average temperature is usually around 15°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.

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

  • Expect to be travelling for 4 hours 15 minutes. That's the average journey time for a direct flight from Buffalo Niagara International Airport to Las Vegas.

  • Las Vegas is three hours behind Buffalo, where Buffalo Niagara International Airport is located. Las Vegas runs on the UTC-8 timezone.

  • Buffalo Niagara International Airport (BUF) to Las Vegas Harry Reid International Airport (LAS) is the most traveled route, with four weekly departures to pick from. You can travel from BUF to LAS at 06:05 with Southwest Airlines.

  • To avoid missing your BUF to Las Vegas flight, leave enough time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Be prepared for bigger queues in popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

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

  • Be on the lookout for deals with Southwest Airlines. This carrier has direct flights from Buffalo Niagara International Airport to Las Vegas.

  • Located around 13 kms (8 miles) from central Buffalo, BUF can be reached in about 20 minutes by car, depending on traffic. Travelling on public transport will take roughly 40 minutes.

  • Want an easy start to your journey? Stay near BUF. Whether you have an early flight from Buffalo Niagara International Airport to Las Vegas or want to avoid feeling rushed, these hotels have you covered:

  • When it comes to the on-time performance of Buffalo Niagara International Airport, data shows 74% of flights complete their journey on time.

  • You'll find BUF at Genesee Street.

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

  • £58 is currently the lowest price for a one-way Buffalo Niagara International Airport to Las Vegas flight. Return plane tickets start from £114. These fares can change based on availability.

  • Booking ahead of time is often the key to finding a cheap flight from BUF to Las Vegas. Fares tend to rise as seats fill up, so the closer you get to departure, the more it could cost you.

  • Scoring cheap tickets from Buffalo Niagara International Airport to Las Vegas is easier if you can be flexible with your travel dates. Use the 'Whole month' function to access the lowest fares throughout the month and score a fantastic deal.

  • Snapping up a cheap flight from BUF to Las Vegas is a breeze with Price Alerts. Simply create one of these automatic notifications and we'll get in touch when a lower fare pops up.

  • Choose your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Buffalo Niagara International Airport to Las Vegas by 'Fastest,' 'Cheapest' or 'Best.'

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • Las Vegas Harry Reid International Airport (LAS) to the centre of Las Vegas takes about 10 minutes by car. The centre is roughly 8 kms (5 miles) away.

  • Travelling to the centre on public transport takes around 25 minutes.

  • Consider staying in a hotel near LAS if you have a late flight from Buffalo Niagara International Airport to Las Vegas. Check in to one of these accommodation options and make your first night all about catching up on rest:

  • Reserving your vehicle from Las Vegas Harry Reid International Airport around one week ahead of your flight from BUF to Las Vegas can help you lock in the best possible rate.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • March is the most popular month for flights from Buffalo Niagara International Airport to Las Vegas. To avoid the crowds, head to Las Vegas in December.

  • When booking your Buffalo Niagara International Airport to Las Vegas plane ticket, think about the type of weather you enjoy. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC to 43ºC.

  • Search for cheap tickets from BUF to Las Vegas in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 16ºC on average.

More about Las Vegas

  • Start your Las Vegas trip right by choosing the perfect place to stay. After booking your flight from Buffalo Niagara International Airport to Las Vegas, explore our selection of hotels including:

  • Las Vegas Strip and Ciudad del Pecado o Las Vegas are just two of the top-rated attractions to add to your Las Vegas to-do list. Keep the sightseeing going at Fountains of Bellagio.

Explore more of the United States

  • Las Vegas has plenty going for it, but there are so many other parts of the United States just waiting to be discovered. About 370 kms (230 miles) southwest of Las Vegas, a trip to Los Angeles will keep you busy. Start with leading sights like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Phoenix is another essential stop in the United States and is around 418 kms (260 miles) southeast of Las Vegas. No journey is complete without dropping by Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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