Cheap flights from Las Vegas to Buffalo Niagara

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Flight deals from Las Vegas to Buffalo Niagara

Looking for a cheap last-minute deal or the best round-trip flight from Las Vegas to Buffalo Niagara? Find the lowest prices on one-way and round-trip 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 May.

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$220
Cheapest month to flyMay
Average flight time4 hrs, 19 mins
Most popular airlineSouthwest Airlines
Average flights per week8

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

The best price we found for a round-trip flight from Las Vegas to Buffalo Niagara is $220. 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 to Buffalo Niagara.
Southwest Airlines flies direct from Las Vegas to Buffalo Niagara.
There are 8 flights per week flying from Las Vegas to Buffalo Niagara, as of May 2025.
The cheapest month to fly from Las Vegas to Buffalo Niagara is usually May 2025.
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 Saturday, May 24, 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.

Traveling 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 departure options from this base when reserving your flights from Las Vegas to Buffalo Niagara International Airport (BUF).

  • 4 hours 21 minutes is the average time for a direct flight from Las Vegas to Buffalo Niagara International Airport.

  • Buffalo Niagara International Airport is located in Buffalo. The city operates in the UTC-4 timezone and is 3 hours ahead of Las Vegas.

  • The busiest route is from Harry Reid Airport (formerly McCarran Airport) (LAS) to Buffalo Niagara International Airport (BUF), with 5 direct services every week. If you'd like to head off as soon as possible, the earliest flight from LAS to BUF is the 08:30 Southwest Airlines service. If you prefer to leave later in the day, the final departure is at 17:35 with Southwest Airlines.

  • Leave plenty of time to make your flight from Las Vegas to BUF. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Popular months like October or vacation periods such as Thanksgiving and Christmas/New Year will mean longer queues at check-in and security. Play it safe and get to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is wise.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) 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) Airport (LAS).

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

  • LAS is around 19 kilometers from central Las Vegas. If you're catching a cab, driving or ride-sharing from the center, it'll take 15 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be approximately 1 hour.

  • Want a leisurely start to your vacation? Stay near Harry Reid Airport (formerly McCarran Airport) Airport. Whether you have an early flight from Las Vegas to Buffalo Niagara International Airport or just don't want to be rushed, these hotels are ideal:

About Buffalo Niagara International Airport (BUF)

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

  • Buffalo Niagara International Airport is approximately 18 kilometers from central Buffalo. With your own car rental or if you're catching a cab, the drive is about 21 minutes.

  • Getting there on public transport takes about 1 hour and 15 minutes.

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

  • The best price we've found for a one-way ticket from Las Vegas to Buffalo Niagara International Airport is $73. The cheapest price for a return flight is $220. Remember fares can change due to demand at the time of booking.

  • Get cheap tickets from Las Vegas to BUF by booking at least 8 months ahead. Based on flight price data, that's the sweet spot for finding the biggest deals.

  • The cheapest month for tickets from Las Vegas to Buffalo Niagara International Airport is May. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your departure dates.

  • Create a Price Alert and keep track of changes on this route through push notifications or email. You'll be the first to know when fares go down. It's all about timing when scoring cheap tickets from Las Vegas to BUF.

  • Use the filters to tailor your flights from Las Vegas to Buffalo Niagara International Airport. Enter your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to get the best deals.

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

  • It's time to work out your travel dates for your flight from Las Vegas to Buffalo Niagara International Airport. August is the busiest month for a trip to Buffalo. If you want a more low-key vibe, go in May.

  • The warmest month in Buffalo is July, with the temperature ranging between 15ºC and 28ºC. Book your flights from Las Vegas to BUF in this month if this is the type of weather you enjoy.

  • Search for cheap flights from Las Vegas to Buffalo Niagara International Airport in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC and 2ºC on average.

More about Buffalo

Complete your Buffalo trip with a car rental

  • Exit all those tabs and let us do the hard work for you. We've also got awesome deals on car rentals in Buffalo once you've booked your cheap flight from Las Vegas to Buffalo Niagara International Airport. Instantly compare prices all in one place and drive away with a bargain that's hard to match.

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