$140 Cheap Flights from Buffalo (BUF) to Las Vegas (LAS)

View $140 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)

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

Prices were available within the past 7 days and start at $140 for one-way flights and $196 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Oct 14 - Sat, Oct 18
BUF
Buffalo
LAS
Las Vegas
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Oct 14 from Buffalo to Las Vegas, returning Sat, Oct 18, priced at $196 found 5 days ago
Southwest Airlines
Tue, Oct 14 - Wed, Oct 15
BUF
Buffalo
LAS
Las Vegas
$206 Roundtrip, found 5 days ago
$206
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Oct 14 from Buffalo to Las Vegas, returning Wed, Oct 15, priced at $206 found 5 days ago
Southwest Airlines
Sat, Nov 15 - Tue, Nov 18
BUF
Buffalo
LAS
Las Vegas
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Nov 15 from Buffalo to Las Vegas, returning Tue, Nov 18, priced at $210 found 5 days ago
Frontier Airlines
Fri, Sep 5 - Thu, Sep 18
BUF
Buffalo
LAS
Las Vegas
$264 Roundtrip, found 3 days ago
$264
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Sep 5 from Buffalo to Las Vegas, returning Thu, Sep 18, priced at $264 found 3 days ago
JetBlue Airways
Wed, Aug 20 - Tue, Aug 26
BUF
Buffalo
LAS
Las Vegas
$264 Roundtrip, just found
$264
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Aug 20 from Buffalo to Las Vegas, returning Tue, Aug 26, priced at $264 just found
JetBlue Airways
Wed, Aug 13 - Tue, Aug 19
BUF
Buffalo
LAS
Las Vegas
$274 Roundtrip, just found
$274
Roundtrip
just found
Select JetBlue Airways flight, departing Wed, Aug 13 from Buffalo to Las Vegas, returning Tue, Aug 19, priced at $274 just found
JetBlue Airways
Mon, Aug 25 - Tue, Sep 2
BUF
Buffalo
LAS
Las Vegas
$275 Roundtrip, found 20 hours ago
$275
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Mon, Aug 25 from Buffalo to Las Vegas, returning Tue, Sep 2, priced at $275 found 20 hours ago
JetBlue Airways
Wed, Aug 20 - Fri, Aug 22
BUF
Buffalo
LAS
Las Vegas
$281 Roundtrip, found 9 hours ago
$281
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Wed, Aug 20 from Buffalo to Las Vegas, returning Fri, Aug 22, priced at $281 found 9 hours ago
United
Sun, Aug 24 - Fri, Aug 29
BUF
Buffalo
LAS
Las Vegas
$297 Roundtrip, found 2 hours ago
$297
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Aug 24 from Buffalo to Las Vegas, returning Fri, Aug 29, priced at $297 found 2 hours ago
Delta
Tue, Aug 19 - Fri, Aug 22
BUF
Buffalo
LAS
Las Vegas
$298 Roundtrip, found 7 hours ago
$298
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Aug 19 from Buffalo to Las Vegas, returning Fri, Aug 22, priced at $298 found 7 hours ago

Find the cheapest month to fly from Buffalo (BUF) to Las Vegas (LAS)

January is typically the cheapest month to fly

From $138 - $310 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $360
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $360
Flights from Buffalo (BUF) to Las Vegas (LAS)
Origin airport
Buffalo Niagara Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$196
Distance
1981 mi
Average flight time
4 hours 50 mins

Buffalo to Las Vegas Flights

The cheapest times to fly from Buffalo to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Las Vegas are during the month of October. You can find some of the cheapest flights from Buffalo to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Las Vegas

Sunday is one of the best days to book for cheap flights from Buffalo to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $140 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS) cost?
Cheap round-trip flights from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS) start at $224. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving BUF on August 8 2025 and touching down at LAS. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from BUF to LAS?
The cheapest flights from BUF to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
When jetting out of Buffalo Niagara Intl. Airport (BUF), you can get on a direct flight to Harry Reid Intl. Airport (LAS) with Southwest Airlines.
What is the cheapest airline that flies from BUF to LAS?
With prices starting from $112 for a one-way flight from BUF to LAS, Southwest Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BUF on September 27 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
On average, Buffalo Niagara Intl. Airport (BUF) only has 1 nonstop flight to Harry Reid Intl. Airport (LAS) per day. For more choices, try our easy-to-use filters. Simply enter your travel details, then select "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
Flights between BUF and LAS are their busiest at 1 PM. If you're after a quieter experience and potentially cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from BUF to LAS?
Travel on a Friday if you're looking for the best selection of flights from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
Buffalo Niagara Intl. Airport (BUF)'s first flight to Harry Reid Intl. Airport (LAS) is at approximately 1:20PM UTC-5. With a flight time of 5h 20m, you'll touch down at around 3:40PM UTC-8.
How long does it take to fly from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
It takes approximately 5 hours and 14 minutes to cover the 2,000 mi from BUF to LAS.
What airline has the least delays from BUF to LAS?
With 80% of journeys usually arriving as scheduled, Southwest Airlines has the best on-time performance for direct flights from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS). To monitor your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
Opt for a flight from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Buffalo Niagara Intl. Airport (BUF)?
Explore your flight options from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS). This is the only Las Vegas airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your flight from BUF to LAS shortly before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a BUF to LAS flight and hotel package?
You'll typically save money by booking a BUF to LAS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS)?
If you reserved your BUF to LAS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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