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Cheap Flights from Las Vegas (LAS) to Buffalo (BUF)

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Compare Las Vegas Harry Reid International 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 Harry Reid International to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Las Vegas Harry Reid International to Buffalo Niagara? Find the lowest prices on one-way and return tickets right here.
Buffalo.$305 per passenger.Departing Fri, 11 Jul, returning Mon, 14 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Las Vegas Harry Reid International on Fri, 11 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 14 Jul, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $305, select.
Buffalo.$307 per passenger.Departing Thu, 26 Jun, returning Fri, 27 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Las Vegas Harry Reid International on Thu, 26 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 27 Jun, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $307, select.
Buffalo.$464 per passenger.Departing Wed, 29 Oct, returning Sat, 8 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Wed, 29 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Sat, 8 Nov, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $464, select.
Buffalo.$464 per passenger.Departing Thu, 28 Aug, returning Sun, 31 Aug.Return flight with United.Outbound indirect flight with United, departs from Las Vegas Harry Reid International on Thu, 28 Aug, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Sun, 31 Aug, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $464, select.
Buffalo.$479 per passenger.Departing Sat, 13 Sep, returning Mon, 15 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Sat, 13 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 15 Sep, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $479, select.
Buffalo.$520 per passenger.Departing Sun, 29 Jun, returning Mon, 7 Jul.Return flight with United.Outbound indirect flight with United, departs from Las Vegas Harry Reid International on Sun, 29 Jun, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Mon, 7 Jul, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $520, select.
Buffalo.$547 per passenger.Departing Mon, 4 Aug, returning Tue, 12 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Las Vegas Harry Reid International on Mon, 4 Aug, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 12 Aug, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $547, select.
Buffalo.$629 per passenger.Departing Mon, 13 Oct, returning Mon, 20 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Las Vegas Harry Reid International on Mon, 13 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 20 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $629, select.

Find the cheapest month to fly from Las Vegas Harry Reid International 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 Harry Reid International to Buffalo Niagara flights are currently cheapest in July.
Jun
from $307
Jul
from $305
Aug
from $464
Sep
from $479
Oct
from $629
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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May
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Direct flights from Las Vegas Harry Reid International to Buffalo Niagara

Las Vegas Harry Reid International to Buffalo Niagara: Alternative routes

Compare routes from Las Vegas Harry Reid International 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$305
Cheapest month to flyJuly
Average flight time4 hrs, 19 mins
Most popular airlineSouthwest Airlines
Average flights per week8

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

The best price we found for a return flight from Las Vegas Harry Reid International to Buffalo Niagara is $305. 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 19 minutes is the average flight time from Las Vegas Harry Reid International to Buffalo Niagara.
Southwest Airlines flies direct from Las Vegas Harry Reid International to Buffalo Niagara.
As of June 2025, there are 8 flights per week flying from Las Vegas Harry Reid International to Buffalo Niagara.
The cheapest month to fly from Las Vegas Harry Reid International to Buffalo Niagara is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Las Vegas Harry Reid International Airport to Buffalo Niagara Airport on Friday, 11 July 2025.
Yes – the average flight time is 4 hours and 19 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.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Buffalo Niagara.

Flying from Harry Reid Airport (formerly McCarran Airport) (LAS) to Buffalo Niagara International Airport (BUF): what you need to know

  • The average time for a direct flight from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport is 4 hours 20 minutes.

  • Take your pick of five weekly Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport flights. The 08:30 departure with Southwest Airlines is the earliest flight available. Southwest Airlines operates the latest service of the day at 17:35.

  • To ensure you catch your LAS to BUF flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a peak month such as October? Public holidays and other high seasons can result in longer lines at airport checkpoints. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Southwest Airlines has direct flights from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport. Book with this popular carrier, then get ready to check out the sights in Buffalo — and maybe even more of United States if your schedule allows.

  • Southwest Airlines tops the list for bookings on this route.

  • Southwest Airlines tops the rankings as the most punctual carrier for LAS to BUF flights, with 86.67% of its services landing on schedule.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Popular stopovers between LAS and BUF include:

    • Denver International Airport

    • Detroit Metropolitan Wayne County Airport

    • Nashville International Airport

How to find the cheapest flights from Harry Reid Airport (formerly McCarran Airport) (LAS) to Buffalo Niagara International Airport (BUF)

  • Currently, $161 is the lowest price we've found for a one-way Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport flight. The best price for a return ticket is $305. Keep in mind that fares could change due to availability when booking.

  • Book six months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from LAS to BUF.

  • May is the cheapest month for flights from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for every month.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll update you as soon as the price changes on cheap flights from LAS to BUF.

  • Tailor your trip using filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport.

Handy information about Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The address for LAS is 5757 Wayne Newton Boulevard.

  • 82.07% of flights departing from Harry Reid Airport (formerly McCarran Airport) touch down at their destination on schedule. Given its reliable on-time performance, you're unlikely to experience delays when taking off from LAS.

  • Harry Reid Airport (formerly McCarran Airport) is around 19 kilometres from central Las Vegas. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of roughly 1 hour on public transport.

  • Searching for a convenient hotel close to LAS? If you're catching an early flight from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Buffalo Niagara International Airport (BUF)

  • The last thing you want is a long trip to your hotel if you're arriving on a late Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport flight. Reserve one of these accommodation options near BUF instead:

  • Pick up a Buffalo Niagara International Airport rental car and explore Buffalo and beyond with your own wheels. Dollar, Hertz and Budget are popular outlets to choose from here.

  • To get the lowest price, reserve your ride from Buffalo Niagara International Airport around two weeks before your trip.

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

  • You'll find BUF at Genesee Street.

  • Buffalo Niagara International Airport to the centre of Buffalo has a drive time of about 20 minutes. It's approximately 18 kilometres away.

  • If you're travelling on public transport, expect a journey of around 1 hour 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

  • August is the busiest month for flights from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport. To steer clear of the crowds, head to Buffalo in May.

  • When reserving your flight from Harry Reid Airport (formerly McCarran Airport) to Buffalo Niagara International Airport, consider the kind of weather you enjoy. July is the warmest month in Buffalo, with temperatures ranging from 15ºC (59ºF) to 28ºC (82ºF).

  • January has average temperatures of between -10ºC (14ºF) and 2ºC (36ºF). Search for cheap tickets from LAS to BUF sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • Buffalo has plenty going for it, but there are so many other parts of United States you should also see. Around 467 kilometres south-east of Buffalo, a visit to New York will keep you busy. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Around 451 kilometres south-east of Buffalo, Philadelphia is another favourite stop in United States. Experience this destination's highlights firsthand at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Las Vegas to Buffalo

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