$89 Cheap Flights from Las Vegas (LAS) to Buffalo (BUF)

View $89 flight on Tue, Aug 26, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Aug 27 - Sat, Aug 30
LAS
Las Vegas
BUF
Buffalo
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sat, Aug 30, priced at $177 just found
American Airlines
Wed, Aug 27 - Sat, Aug 30
LAS
Las Vegas
BUF
Buffalo
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sat, Aug 30, priced at $177 just found
American Airlines
Wed, Aug 27 - Sat, Aug 30
LAS
Las Vegas
BUF
Buffalo
$178 Roundtrip, just found
$178
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sat, Aug 30, priced at $178 just found
Southwest Airlines
Wed, Aug 27 - Sat, Aug 30
LAS
Las Vegas
BUF
Buffalo
$182 Roundtrip, just found
$182
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sat, Aug 30, priced at $182 just found
Southwest Airlines
Wed, Aug 27 - Sat, Aug 30
LAS
Las Vegas
BUF
Buffalo
$182 Roundtrip, just found
$182
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sat, Aug 30, priced at $182 just found
Southwest Airlines
Wed, Aug 27 - Sat, Aug 30
LAS
Las Vegas
BUF
Buffalo
$183 Roundtrip, just found
$183
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sat, Aug 30, priced at $183 just found
Southwest Airlines
Wed, Oct 22 - Tue, Oct 28
LAS
Las Vegas
BUF
Buffalo
$187 Roundtrip, found 6 hours ago
$187
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Las Vegas to Buffalo, returning Tue, Oct 28, priced at $187 found 6 hours ago
JetBlue Airways
Tue, Aug 12 - Thu, Aug 14
LAS
Las Vegas
BUF
Buffalo
$198 Roundtrip, found 12 hours ago
$198
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Tue, Aug 12 from Las Vegas to Buffalo, returning Thu, Aug 14, priced at $198 found 12 hours ago
United
Wed, Aug 27 - Sun, Aug 31
LAS
Las Vegas
BUF
Buffalo
$227 Roundtrip, just found
$227
Roundtrip
just found
Select United flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sun, Aug 31, priced at $227 just found
Delta
Wed, Aug 27 - Sun, Aug 31
LAS
Las Vegas
BUF
Buffalo
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Delta flight, departing Wed, Aug 27 from Las Vegas to Buffalo, returning Sun, Aug 31, priced at $257 just found

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

February is typically the cheapest month to fly

From $158 - $399 per traveler.

Graph displaying average flight prices per month

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $315
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $315
Flights from Las Vegas (LAS) to Buffalo (BUF)
Origin airport
Harry Reid Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$176
Distance
1981 mi
Average flight time
7 hours 18 mins

Las Vegas to Buffalo Flights

The cheapest times to fly from Las Vegas to Buffalo

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 Las Vegas to Buffalo are during the month of August. You can find some of the cheapest flights from Las Vegas to Buffalo with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Buffalo: 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 Las Vegas to Buffalo

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 Las Vegas to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Las Vegas to Buffalo 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 Las Vegas to Buffalo 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 Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF) cost?
Cheap return fares from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF) start at $397. 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 LAS on July 31 2025 and touching down at BUF. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from LAS to BUF?
The cheapest flights from LAS to BUF 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 Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
You can fly nonstop from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF) on a Southwest Airlines flight.
What is the cheapest airline that flies from LAS to BUF?
With prices as low as $199 for a one-way flight from LAS to BUF, Southwest Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on September 11 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
On average, you'll only find 1 nonstop flight leaving from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF) every day. If this doesn't fit your travel plans, consider flights with a layover. Just customize your search results on Expedia to include one or more stops to find a better alternative.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
More passengers fly between LAS and BUF at 8 AM than at any other time. Rather skip the crowds? Travel outside of rush hours and it's possible you'll save on your ticket as well.
What day of the week has the most flights from LAS to BUF?
Tuesday offers the most flights from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF). Consider leaving on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
Take the earliest flight at around 8:55AM UTC-8, heading out of Harry Reid Intl. Airport (LAS). You'll be traveling for roughly 4h 15m, reaching Buffalo Niagara Intl. Airport (BUF) at approximately 4:10PM UTC-5.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
The average flight duration from LAS to BUF is 4 hours and 15 minutes, covering a total distance of 2,000 mi.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
To avoid potential delays on the Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Buffalo from Harry Reid Intl. Airport (LAS)?
Buffalo Niagara Intl. Airport (BUF) is the only airport in Buffalo with direct flights from Harry Reid Intl. Airport (LAS). Compare the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your ticket from LAS to BUF just before your trip is typically more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a LAS to BUF flight and hotel package?
Opting for a LAS to BUF flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Buffalo Niagara Intl. Airport (BUF)?
In most instances, you can reschedule or cancel your LAS to BUF flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.