£142 Cheap Flights from Las Vegas (LASA) to Buffalo Niagara (BUF)

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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 £142. Find the lowest prices on one-way and return tickets right here.

Buffalo.£142 per passenger.Departing Wed, 29 Apr, returning Sun, 3 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 29 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 3 May, arriving in Harry Reid International.Price includes taxes and charges.From £142, select.

Buffalo.£142 per passenger.Departing Fri, 17 Apr, returning Mon, 20 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Fri, 17 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 20 Apr, arriving in Harry Reid International.Price includes taxes and charges.From £142, select.

Buffalo.£193 per passenger.Departing Thu, 14 May, returning Sun, 17 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Thu, 14 May, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 17 May, arriving in Harry Reid International.Price includes taxes and charges.From £193, select.

Buffalo.£208 per passenger.Departing Tue, 2 Jun, returning Sun, 21 Jun.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 2 Jun, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Sun, 21 Jun, arriving in Harry Reid International.Price includes taxes and charges.From £208, select.

Buffalo.£221 per passenger.Departing Fri, 29 May, returning Wed, 3 Jun.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Fri, 29 May, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Wed, 3 Jun, arriving in Harry Reid International.Price includes taxes and charges.From £221, select.

Buffalo.£221 per passenger.Departing Wed, 6 May, returning Tue, 18 Aug.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Wed, 6 May, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Tue, 18 Aug, arriving in Harry Reid International.Price includes taxes and charges.From £221, select.

Buffalo.£221 per passenger.Departing Sun, 23 Aug, returning Sat, 29 Aug.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Sun, 23 Aug, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Sat, 29 Aug, arriving in Harry Reid International.Price includes taxes and charges.From £221, select.

Buffalo.£333 per passenger.Departing Sun, 8 Mar, returning Sun, 15 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sun, 8 Mar, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Sun, 15 Mar, arriving in Harry Reid International.Price includes taxes and charges.From £333, select.

Buffalo.£340 per passenger.Departing Sun, 29 Mar, returning Wed, 1 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sun, 29 Mar, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 1 Apr, arriving in Harry Reid International.Price includes taxes and charges.From £340, select.

Buffalo.£713 per passenger.Departing Sun, 8 Mar, returning Sun, 15 Mar.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Sun, 8 Mar, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sun, 15 Mar, arriving in Harry Reid International.Price includes taxes and charges.From £713, select.

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.

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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	£142
Cheapest month to fly	April
Average flight time	4 hrs, 19 mins
Most popular airline	Southwest Airlines
Average flights per week	5

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

How much are return flights from Las Vegas to Buffalo Niagara?

The best price we found for a return flight from Las Vegas to Buffalo Niagara is £142. 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 Las Vegas to Buffalo Niagara?

4 hours and 19 minutes is the average flight time from Las Vegas to Buffalo Niagara.

Which airlines fly direct from Las Vegas to Buffalo Niagara?

Southwest Airlines flies direct from Las Vegas to Buffalo Niagara.

How many flights are there a week from Las Vegas to Buffalo Niagara?

As of March 2026, there are 5 flights per week flying from Las Vegas to Buffalo Niagara.

When is the cheapest time to fly from Las Vegas to Buffalo Niagara?

The cheapest month to fly from Las Vegas to Buffalo Niagara is usually April.

Which upcoming date is cheapest to fly from Las Vegas to Buffalo Niagara Airport on?

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 Wednesday, 29 April 2026.

Can I get a direct flight from Las Vegas to Buffalo Niagara Airport?

Yes – the average flight time is 4 hours and 19 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.

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

Las Vegas's main airport is Harry Reid Airport (formerly McCarran Airport) (LAS). Check out your options for leaving from this terminal when searching for your flights from Las Vegas to Buffalo Niagara International Airport (BUF).
Hop on a direct Las Vegas to Buffalo Niagara International Airport flight and you'll be in the air for around 4 hours 20 minutes.
Buffalo is three hours ahead of Las Vegas. Buffalo Niagara International Airport is located in Buffalo, which operates on the UTC-4 timezone.
Choose from 4 direct services every week between Harry Reid Airport (formerly McCarran Airport) (LAS) and Buffalo Niagara International Airport (BUF). This is the busiest route, with Southwest Airlines offering a 7am departure from LAS to BUF.
Your flight from Las Vegas to BUF won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
Peak season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stick to your schedule.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

You can hop on a direct flight from Las Vegas to Buffalo Niagara International Airport (BUF) departing from Harry Reid Airport (formerly McCarran Airport) (LAS).
Southwest Airlines is a leading airline that operates direct flights from Las Vegas to Buffalo Niagara International Airport leaving from LAS.
The airline with the highest booking numbers between LAS and BUF is Southwest Airlines.
Southwest Airlines ranks highest for on-time performance. An exceptional 86.67% of its services on this route land as scheduled.
LAS is around 19 kms (12 miles) from central Las Vegas. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 15 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 1 hour.
Planning to catch an early flight from Las Vegas to Buffalo Niagara International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays close to Harry Reid Airport (formerly McCarran Airport):
Harry Reid Airport (formerly McCarran Airport) has a strong on-time performance, so you're less likely to experience disruptions. Departures from LAS make it to their destination as scheduled 82.07% of the time.
LAS's address is 5757 Wayne Newton Boulevard.

About Buffalo Niagara International Airport (BUF)

If you're coming in on a late flight from Las Vegas to Buffalo Niagara International Airport, few things top the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these hotels near BUF:
Begin your adventure by picking up a Buffalo Niagara International Airport rental car. Grab your wheels from Dollar, Hertz or Budget and explore beyond Buffalo's main sights.
To secure the lowest price, reserve your ride around two weeks ahead of your Las Vegas to Buffalo Niagara International Airport flight.
You'll find BUF at Genesee Street.

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

Buffalo Niagara International Airport to the centre of Buffalo is around 8 miles. If you're getting a cab or renting a car, plan ahead to make your trip as smooth as possible. Journey times will vary based on traffic and the time of day.
If you're using public transport, expect a journey of roughly 1 hour 15 minutes.

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

At the moment, £71 is the lowest price we've found for a one-way ticket from Las Vegas to Buffalo Niagara International Airport. The cheapest price for a return flight is £142. Keep in mind fares can change due to demand at the time of booking.
Don't leave things to the last moment. You're more likely to walk away with cheap flights from Las Vegas to BUF if you book early. Airlines often have some great early bird deals.
Affordable Las Vegas to Buffalo Niagara International Airport tickets are easier to find when you have flexibility in your schedule. Try using the 'Whole month' tool to compare fares throughout the month and then choose the cheapest day.
Spend less time searching for cheap plane tickets from Las Vegas to BUF by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.
Uncover a great deal on a flight from Las Vegas to Buffalo Niagara International Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

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

Think about the pace you're looking for when picking your flight dates. May is the quietest month to go to Buffalo. August is when most people book flights from Las Vegas to Buffalo Niagara International Airport (BUF), which may be ideal if you'd rather travel when it's busy.
Book a Las Vegas to BUF plane ticket departing in July if you want to explore the city during its warmest month. Expect temperatures in Buffalo to range from 15ºC (59ºF) to 28ºC (82ºF).
If you like cooler conditions, look for a cheap ticket from Las Vegas to Buffalo Niagara International Airport in January when temperatures are between -10ºC (14ºF) and 2ºC (36ºF).

More about Buffalo

Start your Buffalo trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Las Vegas to Buffalo Niagara International Airport, check out our selection of hotels including:
Your trip to Buffalo should come with a side of sightseeing. Big-name attractions you can't miss include Frank Lloyd Wright's Darwin D. Martin House Complex, Albright-Knox Art Gallery and Forest Lawn.

Explore more of the United States

You've visited Buffalo, now it's time to discover other corners of the United States. Journey about 290 kms (180 miles) south-west to Cleveland to tick off its must-visit sights. From Rock & Roll Hall of Fame & Museum to Cleveland Museum of Art and Cleveland Museum of Natural History, there's plenty to keep you busy.
Pittsburgh is another essential stop in the United States and is around 290 kms (180 miles) south of Buffalo. No journey is complete without experiencing Andy Warhol Museum, Carnegie Museum of Art and The Frick Pittsburgh.