191 € Cheap Flights from Buffalo Niagara to Harry Reid International

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Flight deals from Buffalo Niagara to Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Harry Reid International Airport? If you want to travel next month, return fares start from 212 €. Find the lowest prices on one-way and return tickets right here.

Las Vegas.191 € per passenger.Departing Thu, 27 Aug, returning Sat, 5 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Thu, 27 Aug, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sat, 5 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From 191 €, select.

Las Vegas.191 € per passenger.Departing Thu, 10 Sep, returning Tue, 15 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Thu, 10 Sep, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Tue, 15 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From 191 €, select.

Las Vegas.191 € per passenger.Departing Tue, 13 Oct, returning Wed, 14 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Tue, 13 Oct, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Wed, 14 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 191 €, select.

Las Vegas.212 € per passenger.Departing Wed, 12 Aug, returning Fri, 14 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 12 Aug, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Fri, 14 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 212 €, select.

Las Vegas.215 € per passenger.Departing Fri, 6 Nov, returning Mon, 9 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Fri, 6 Nov, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Mon, 9 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From 215 €, select.

Las Vegas.220 € per passenger.Departing Fri, 25 Sep, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 25 Sep, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 5 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 220 €, select.

Las Vegas.225 € per passenger.Departing Tue, 28 Jul, returning Tue, 11 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 28 Jul, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 11 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 225 €, select.

Las Vegas.236 € per passenger.Departing Wed, 22 Jul, returning Wed, 29 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 22 Jul, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 29 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From 236 €, select.

Las Vegas.251 € per passenger.Departing Sat, 1 Aug, returning Mon, 19 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 1 Aug, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 19 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 251 €, select.

Las Vegas.257 € per passenger.Departing Tue, 15 Dec, returning Sun, 20 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 15 Dec, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sun, 20 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From 257 €, select.

Las Vegas.260 € per passenger.Departing Thu, 30 Jul, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 30 Jul, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 1 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From 260 €, select.

Las Vegas.285 € per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Wed, 25 Nov, arriving in Harry Reid International.Inbound indirect flight with United, departs from Harry Reid International on Wed, 2 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From 285 €, select.

Las Vegas.286 € per passenger.Departing Wed, 6 Jan, returning Wed, 20 Jan.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Wed, 6 Jan, arriving in Harry Reid International.Inbound indirect flight with United, departs from Harry Reid International on Wed, 20 Jan, arriving in Buffalo Niagara.Price includes taxes and charges.From 286 €, select.

Las Vegas.287 € per passenger.Departing Mon, 26 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 26 Oct, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sun, 1 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From 287 €, select.

Las Vegas.289 € per passenger.Departing Mon, 8 Feb, returning Thu, 11 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 8 Feb, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Thu, 11 Feb, arriving in Buffalo Niagara.Price includes taxes and charges.From 289 €, select.

Las Vegas.290 € per passenger.Departing Tue, 20 Apr, returning Wed, 5 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 20 Apr, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Wed, 5 May, arriving in Buffalo Niagara.Price includes taxes and charges.From 290 €, select.

Find the cheapest month to fly from Buffalo Niagara to Harry Reid International

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

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Direct flights from Buffalo Niagara to Harry Reid International

Buffalo Niagara to Harry Reid International: Alternative routes

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

Buffalo to Las Vegas: Flight information

The things to know before you go.

Cheapest flight found	191 €
Cheapest month to fly	August
Average flight time	4 hrs, 59 mins
Most popular airline	Southwest Airlines
Average flights per week	7

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

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

The best price we found for a return flight from Buffalo Niagara to Harry Reid International is 191 €. 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 Buffalo Niagara to Harry Reid International?

4 hours and 59 minutes is the average flight time from Buffalo Niagara to Harry Reid International.

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

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

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

As of July 2026, there are 7 flights per week flying from Buffalo Niagara to Harry Reid International.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Harry Reid International Airport on Thursday, 27 August 2026.

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

Yes – the average flight time is 4 hours and 59 minutes.

How can I find the best flight deal to Harry Reid International?

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 Harry Reid International 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 Las Vegas?

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.

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

Currently, Southwest Airlines offers the cheapest flight tickets to Harry Reid International.

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

Jump on a direct flight from Buffalo Niagara Airport to Harry Reid International Airport and you'll be in the air for an average of 4 hours 50 minutes.
Las Vegas's timezone is UTC-8, which makes Las Vegas three hours behind Buffalo.
Flights from BUF to LAS start from 06:05 — the first with Southwest Airlines. The last service of the day is at 19:20 with Southwest Airlines. In total, you can take your pick of three weekly Buffalo Niagara Airport to Harry Reid International Airport flights.
To ensure you get on your BUF to LAS flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.
Travelling during a peak time such as August? School holidays and other popular periods can result in longer queues and delays at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.
Southwest Airlines offers direct flights from Buffalo Niagara Airport to Harry Reid International Airport. Book with this popular airline, then get ready to discover the sights in Las Vegas — and maybe even more of the United States if you have time.
The majority of passengers choose to travel with Southwest Airlines on this route.
The most punctual carrier offering BUF to LAS flights is Southwest Airlines. Its services arrive as planned 78.45% of the time.
We make it easy to book a flight with a stopover. To see your options for tickets from Buffalo Niagara Airport to Harry Reid International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Some great stopovers between BUF and LAS include:
- Chicago O'Hare International Airport
- Denver International Airport
- Detroit Wayne County Airport

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

96 € is the best price for a one-way Buffalo Niagara Airport to Harry Reid International Airport flight. Return flights start from 191 €. These fares may change depending on availability and demand.
Don't leave everything to the last moment. You're more likely to find cheap tickets from BUF to LAS if you book early. Airlines often have some great early bird discounts.
The cheapest month for flights from Buffalo Niagara Airport to Harry Reid International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.
Never miss a deal on cheap flights from BUF to LAS by setting up a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.
Tailor your flights with filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Buffalo Niagara Airport to Harry Reid International Airport.

Handy information about Buffalo Niagara Airport (BUF)

You'll find BUF at Genesee Street.
Of all flights leaving Buffalo Niagara Airport, 74% land on time at their destination.
To reach Buffalo Niagara Airport from central Buffalo, it'll take about 20 minutes by car. This depends on traffic, however. It's approximately 16 kilometres from the airport to the city centre.
Planning to catch public transport? You can expect a journey time of around 40 minutes.
Get your travels off to a hassle-free start by staying near BUF. Whether you've booked an early flight from Buffalo Niagara Airport to Harry Reid International Airport or just don't like being rushed, these stays have you covered:

Arriving at Harry Reid International Airport (LAS)

The last thing you want is a long trip to your hotel if you're getting in late on a Buffalo Niagara Airport to Harry Reid International Airport flight. Stay at one of these accommodation options near LAS instead:
Grab a Harry Reid International Airport rental car and discover Las Vegas and beyond with your own set of wheels. Dollar, Thrifty and Alamo are top providers to choose from here.
Get the best deal by reserving your vehicle from Harry Reid International Airport around one week before your trip.

When to fly to Harry Reid International Airport (LAS)

The quietest month for a flight from Buffalo Niagara Airport to Harry Reid International Airport is March, while April is the busiest. Choose the ideal time to go to Las Vegas based on whether you prefer a bustling atmosphere or a more laid-back vibe.
When reserving your flight from Buffalo Niagara Airport to Harry Reid International Airport, consider the type of weather you enjoy. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 43ºC (109ºF).
Search for cheap tickets from BUF to LAS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 16ºC (61ºF) on average.

Explore more of the United States

You've visited Las Vegas, now it's time to explore other corners of the United States. Travel around 370 kilometres south-west to Los Angeles to tick off its must-visit sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, there's plenty to keep you busy.
Phoenix is another well-known destination in the United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without visiting Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.