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

Compare Las Vegas to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from Las Vegas to Buffalo Niagara Airport

Looking for a cheap last-minute deal or the best return flight from Las Vegas to Buffalo Niagara Airport? If you want to travel next month, return fares start from £169. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Las Vegas to Buffalo Niagara

Las Vegas to Buffalo Niagara: Alternative routes

Compare routes from Las Vegas to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Las Vegas to Buffalo: Flight information

The things to know before you go.
Cheapest flight found£169
Cheapest month to flyApril
Average flight time4 hrs, 20 mins
Most popular airlineSouthwest Airlines
Average flights per week5

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

The best price we found for a return flight from Las Vegas to Buffalo Niagara is £169. 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 20 minutes is the average flight time from Las Vegas to Buffalo Niagara.
Southwest Airlines flies direct from Las Vegas to Buffalo Niagara.
As of March 2026, there are 5 flights per week flying from Las Vegas to Buffalo Niagara.
The cheapest month to fly from Las Vegas to Buffalo Niagara is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Buffalo Niagara Airport on Thursday, 16 April 2026.
Yes – the average flight time is 4 hours and 20 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 Buffalo Niagara 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 Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Buffalo Niagara is Spirit Airlines .

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

  • Your travels get underway at Las Vegas's main airport, Las Vegas Harry Reid International Airport (LAS). Explore your options for reserving a flight from Las Vegas to Buffalo Niagara International Airport (BUF) departing from this base.

  • Jump on a direct Las Vegas to Buffalo Niagara International Airport flight and you'll be travelling for around 4 hours 15 minutes.

  • Buffalo is three hours ahead of Las Vegas. Buffalo Niagara International Airport is located in Buffalo, which runs on the UTC-5 timezone.

  • Las Vegas Harry Reid International Airport (LAS) to Buffalo Niagara International Airport (BUF) is the busiest route, with 4 direct services every week. You can get from LAS to BUF on Southwest Airlines's 7am departure.

  • Your flight from Las Vegas to BUF won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Popular months like March or high seasons such as Thanksgiving and Christmas/New Year will mean longer waits at check-in and security. Be on the safe side and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a smart move.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • Get there in one go from Las Vegas Harry Reid International Airport (LAS). Direct flights from Las Vegas to Buffalo Niagara International Airport (BUF) are available from here.

  • When jetting out of LAS, you can catch a direct flight from Las Vegas to Buffalo Niagara International Airport with Southwest Airlines.

  • Most passengers prefer to book seats with Southwest Airlines from LAS to BUF.

  • The most reliable carrier for punctuality on this route is Southwest Airlines. Its services land without delay 75.0% of the time.

  • The journey from central Las Vegas to LAS takes about 25 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 8 kms (5 miles) in 10 minutes or so, depending on traffic.

  • Booked an early flight from Las Vegas to Buffalo Niagara International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by staying at one of these hotels close to Las Vegas Harry Reid International Airport:

  • Of the departures from Las Vegas Harry Reid International Airport, 79% land on schedule at their destination.

  • LAS is located at 5757 Wayne Newton Boulevard.

About Buffalo Niagara International Airport (BUF)

  • Reserve a hotel close to BUF if you're catching a late flight from Las Vegas to Buffalo Niagara International Airport. Select one of these options and call it a night faster:

  • Booking your ride around two weeks in advance of your Las Vegas to Buffalo Niagara International Airport flight can help you lock in a great deal.

  • BUF is located at Genesee Street.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • From Buffalo Niagara International Airport, central Buffalo is around 16 kms (10 miles) away. It takes about 20 minutes to reach the city centre by car.

  • Travelling by public transport takes roughly 40 minutes.

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

  • £79 is the best price for a one-way ticket from Las Vegas to Buffalo Niagara International Airport. Return flights start at £169. These prices can change depending on demand.

  • Booking in advance is often the key to finding a cheap flight from Las Vegas to BUF. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely spend.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll show you the lowest price across every month when searching for your Las Vegas to Buffalo Niagara International Airport ticket.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you when a better deal comes up on plane tickets from Las Vegas to BUF.

  • Hunt for savings on a flight from Las Vegas to Buffalo Niagara International Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Las Vegas to Buffalo Niagara International Airport (BUF)

  • August is the most popular month for flights from Las Vegas to Buffalo Niagara International Airport (BUF). Plan your visit to Buffalo in December if you'd rather be there when it's quieter.

  • Before locking in your Las Vegas to BUF plane ticket, consider what kind of weather you prefer. July is the warmest month in Buffalo, with temperatures ranging from 15ºC to 29ºC.

  • January sees temperatures of between -10ºC and 2ºC. Search for cheap tickets from Las Vegas to Buffalo Niagara International Airport around that time if you want to travel when it's cooler.

More about Buffalo

  • When it comes to searching for somewhere to lay your head, you'll find the top stays in Buffalo right here. Browse these options after you've booked your flight from Las Vegas to Buffalo Niagara International Airport:

  • There are so many things to discover in this city, it can be tricky to work out where to start. Frank Lloyd Wright's Darwin D. Martin House Complex, Buffalo AKG Art Museum and Forest Lawn are popular attractions which should feature on any well-planned Buffalo itinerary.

Explore more of the United States

  • Buffalo is easy to fall in love with, but there are so many other parts of the United States just waiting to be discovered. Around 290 kms (180 miles) southwest of Buffalo, a visit to Cleveland will keep you on the move. Start with leading sights like Rock & Roll Hall of Fame, Cleveland Museum of Art and Cleveland Museum of Natural History.

  • If you're interested in discovering another major stop in the United States, head for Pittsburgh, roughly 290 kms (180 miles) south of Buffalo. Carnegie Museum of Art, The Andy Warhol Museum and Point State Park Fountain are the start of reasons to visit.

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