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

Compare Harry Reid International to Buffalo Niagara flight deals

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Flight deals from Harry Reid International to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Harry Reid International Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from $314. Find the lowest prices on one-way and return tickets right here.

Buffalo.$314 per passenger.Departing Sat, 5 Sep, returning Fri, 11 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sat, 5 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 11 Sep, arriving in Harry Reid International.Price includes taxes and charges.From $314, select.

Buffalo.$314 per passenger.Departing Fri, 28 Aug, returning Sun, 30 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Fri, 28 Aug, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 30 Aug, arriving in Harry Reid International.Price includes taxes and charges.From $314, select.

Buffalo.$315 per passenger.Departing Tue, 6 Oct, returning Sat, 10 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 6 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 10 Oct, arriving in Harry Reid International.Price includes taxes and charges.From $315, select.

Buffalo.$315 per passenger.Departing Thu, 27 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 27 Aug, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 1 Sep, arriving in Harry Reid International.Price includes taxes and charges.From $315, select.

Buffalo.$355 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Fri, 25 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 2 Oct, arriving in Harry Reid International.Price includes taxes and charges.From $355, select.

Buffalo.$428 per passenger.Departing Mon, 2 Nov, returning Thu, 5 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 2 Nov, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 5 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $428, select.

Buffalo.$476 per passenger.Departing Wed, 9 Dec, returning Wed, 16 Dec.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Wed, 9 Dec, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Wed, 16 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $476, select.

Buffalo.$482 per passenger.Departing Wed, 30 Dec, returning Wed, 6 Jan.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Wed, 30 Dec, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Wed, 6 Jan, arriving in Harry Reid International.Price includes taxes and charges.From $482, select.

Buffalo.$483 per passenger.Departing Sat, 24 Oct, returning Sat, 7 Nov.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Sat, 24 Oct, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Sat, 7 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $483, select.

Buffalo.$518 per passenger.Departing Mon, 25 Jan, returning Mon, 15 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Harry Reid International on Mon, 25 Jan, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 15 Feb, arriving in Harry Reid International.Price includes taxes and charges.From $518, select.

Buffalo.$538 per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 24 Nov, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Tue, 1 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $538, select.

Buffalo.$550 per passenger.Departing Wed, 17 Feb, returning Sun, 21 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Harry Reid International on Wed, 17 Feb, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Sun, 21 Feb, arriving in Harry Reid International.Price includes taxes and charges.From $550, select.

Buffalo.$893 per passenger.Departing Sun, 29 Nov, returning Mon, 30 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Sun, 29 Nov, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Mon, 30 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $893, select.

Buffalo.$967 per passenger.Departing Mon, 15 Mar, returning Mon, 22 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Harry Reid International on Mon, 15 Mar, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 22 Mar, arriving in Harry Reid International.Price includes taxes and charges.From $967, select.

Buffalo.$1,402 per passenger.Departing Tue, 29 Dec, returning Sat, 2 Jan.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Tue, 29 Dec, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 2 Jan, arriving in Harry Reid International.Price includes taxes and charges.From $1,402, select.

Find the cheapest month to fly from 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 Harry Reid International to Buffalo Niagara flights are currently cheapest in August.

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Direct flights from Harry Reid International to Buffalo Niagara

Harry Reid International to Buffalo Niagara: Alternative routes

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

Buffalo Niagara

13km from central Buffalo

ClosestCheapest

from $314

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Niagara Falls

24km from central Buffalo

from $1,080

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Las Vegas to Buffalo: Flight information

The things to know before you go.

Cheapest flight found	$314
Cheapest month to fly	August
Average flight time	4 hrs, 15 mins
Most popular airline	Southwest Airlines
Average flights per week	8

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

How much are return flights from Harry Reid International to Buffalo Niagara?

The best price we found for a return flight from Harry Reid International to Buffalo Niagara is $314. 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.

How long does it take to fly from Harry Reid International to Buffalo Niagara?

4 hours and 15 minutes is the average flight time from Harry Reid International to Buffalo Niagara.

Which airlines fly direct from Harry Reid International to Buffalo Niagara?

Southwest Airlines, Delta and American Airlines fly direct from Harry Reid International to Buffalo Niagara.

How many flights are there a week from Harry Reid International to Buffalo Niagara?

As of August 2026, there are 8 flights per week flying from Harry Reid International to Buffalo Niagara.

When is the cheapest time to fly from Harry Reid International to Buffalo Niagara?

The cheapest month to fly from Harry Reid International to Buffalo Niagara is usually August.

Which upcoming date is cheapest to fly from Harry Reid International Airport to Buffalo Niagara Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harry Reid International Airport to Buffalo Niagara Airport on Friday, 28 August 2026.

Can I get a direct flight from Harry Reid International Airport to Buffalo Niagara Airport?

Yes – the average flight time is 4 hours and 15 minutes.

How can I find the best flight deal to Buffalo Niagara?

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.

When is the best time to book flights to Buffalo?

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.

Which is the cheapest airline to fly from Harry Reid International Airport to Buffalo Niagara with?

Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Buffalo Niagara.

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

Around 4 hours 20 minutes is how long you can expect to be travelling on a direct flight from Harry Reid International Airport to Buffalo Niagara Airport.
Take your pick of three weekly Harry Reid International Airport to Buffalo Niagara Airport flights. The 07:00 departure with Southwest Airlines is the earliest available. Southwest Airlines operates the last service of the day at 18:15.
For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your LAS to BUF flight.
You'll likely experience longer lines in popular months such as April. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.
Southwest Airlines has direct flights from Harry Reid International Airport to Buffalo Niagara Airport. Book with this popular carrier, then get ready to tick off the sights in Buffalo — and maybe even more of the United States if time allows.
Southwest Airlines is the airline with the highest passenger demand for this route.
Southwest Airlines is the most punctual carrier that offers LAS to BUF flights, with 75.0% of its services landing on schedule.
We make it easy to book a flight with a stopover. To see all your options for tickets from Harry Reid International Airport to Buffalo Niagara Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Top stopovers between LAS and BUF include:
- Denver International Airport
- Detroit Wayne County Airport
- Nashville Airport

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

The lowest price we've found for a one-way Harry Reid International Airport to Buffalo Niagara Airport flight is $148. A round-trip fare is currently $314. Depending on the availability and when you book, these fares can change.
To pick up cheap tickets from LAS to BUF, book ahead. Airlines generally offer their most competitively priced fares when flights are first made available.
The cheapest month for flights from Harry Reid International Airport to Buffalo Niagara Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.
You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a change in price on cheap flights from LAS to BUF.
Find the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Harry Reid International Airport to Buffalo Niagara Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Harry Reid International Airport (LAS)

LAS is located at 5757 Wayne Newton Boulevard.
When it comes to Harry Reid International Airport's on-time performance, 79% of flights meet their scheduled arrival time.
Harry Reid International Airport is about 8 kilometres from central Las Vegas. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 10 minutes or so to get there, depending on the traffic.
Taking public transport? Expect a journey time of around 25 minutes.
Need a handy hotel near LAS? If you've booked an early flight from Harry Reid International Airport to Buffalo Niagara Airport, these accommodation options will put you moments from your departure gate:

Arriving at Buffalo Niagara Airport (BUF)

If you have a late Harry Reid International Airport to Buffalo Niagara Airport flight, nothing tops the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these hotels near BUF:
Go where the road takes you with a Buffalo Niagara Airport rental car. Pick up a set of wheels from Dollar, Hertz or Budget and find adventure across Buffalo and beyond.
For the best deal, book your vehicle from Buffalo Niagara Airport around two weeks before you travel.

Getting from Buffalo Niagara Airport (BUF) to central Buffalo

The street address for BUF is Genesee Street.
Buffalo Niagara Airport to the centre of Buffalo has a drive time of about 20 minutes. It's approximately 16 kilometres away.
Getting to the centre on public transport takes roughly 40 minutes.

When to fly to Buffalo Niagara Airport (BUF)

August is the most popular month for flights from Harry Reid International Airport to Buffalo Niagara Airport. To avoid the crowds, travel to Buffalo in March.
Book your flight from Harry Reid International Airport to Buffalo Niagara Airport for July if you'd like to visit Buffalo during its warmest month. Expect temperatures of between 15ºC (59ºF) and 29ºC (84ºF).
If you'd rather travel in cooler conditions, search for a cheap ticket from LAS to BUF in January. Average temperatures are between -10ºC (14ºF) and 2ºC (36ºF) then.

Explore more of the United States

Buffalo has loads to offer, but there are so many other corners of the United States just waiting to be discovered. About 467 kilometres south-east of Buffalo, a trip to New York will keep your itinerary busy. Start with attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 451 kilometres south-east of Buffalo, Philadelphia is another essential stop in the United States. Get a taste of what this destination has to offer at Independence Hall, Liberty Bell and Philadelphia Museum of Art.