A highway interchange with multiple overpasses, a parking garage, and a large building with a distinctive roof.

$117 Cheap Flights from Buffalo (BUF) to Las Vegas (LAS)

View $117 flight on Fri, Oct 2, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

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

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

Prices were available within the past 7 days and start at $117 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 2 - Wed, Oct 7
BUF
Buffalo
LAS
Las Vegas
$222 Roundtrip, just found
$222
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 2 from Buffalo to Las Vegas, returning Wed, Oct 7, priced at $222 just found
Frontier Airlines
Sat, Sep 5 - Sun, Sep 13
BUF
Buffalo
LAS
Las Vegas
$232 Roundtrip, just found
$232
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 5 from Buffalo to Las Vegas, returning Sun, Sep 13, priced at $232 just found
Frontier Airlines
Tue, Oct 27 - Wed, Nov 4
BUF
Buffalo
LAS
Las Vegas
$247 Roundtrip, just found
$247
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Oct 27 from Buffalo to Las Vegas, returning Wed, Nov 4, priced at $247 just found
Frontier Airlines
Mon, Aug 24 - Tue, Sep 1
BUF
Buffalo
LAS
Las Vegas
$251 Roundtrip, just found
$251
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Aug 24 from Buffalo to Las Vegas, returning Tue, Sep 1, priced at $251 just found
Frontier Airlines
Fri, Oct 23 - Sat, Oct 31
BUF
Buffalo
LAS
Las Vegas
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 23 from Buffalo to Las Vegas, returning Sat, Oct 31, priced at $257 just found
Frontier Airlines
Mon, Aug 24 - Tue, Sep 1
BUF
Buffalo
LAS
Las Vegas
$261 Roundtrip, just found
$261
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Aug 24 from Buffalo to Las Vegas, returning Tue, Sep 1, priced at $261 just found
JetBlue Airways
Tue, Oct 13 - Wed, Oct 21
BUF
Buffalo
LAS
Las Vegas
$285 Roundtrip, just found
$285
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Oct 13 from Buffalo to Las Vegas, returning Wed, Oct 21, priced at $285 just found
American Airlines
Sat, Sep 5 - Sun, Sep 13
BUF
Buffalo
LAS
Las Vegas
$287 Roundtrip, just found
$287
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 5 from Buffalo to Las Vegas, returning Sun, Sep 13, priced at $287 just found
Southwest Airlines
Fri, Oct 2 - Wed, Oct 7
BUF
Buffalo
LAS
Las Vegas
$298 Roundtrip, just found
$298
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Oct 2 from Buffalo to Las Vegas, returning Wed, Oct 7, priced at $298 just found
United
Sat, Feb 6 - Sat, Feb 13
BUF
Buffalo
LAS
Las Vegas
$336 Roundtrip, found 2 hours ago
$336
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Feb 6 from Buffalo to Las Vegas, returning Sat, Feb 13, priced at $336 found 2 hours ago

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 $280
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $280

What you need to know for your flight from Buffalo Niagara Intl. to Harry Reid Intl.

Buffalo (BUF) to Las Vegas (LAS) at a glance

Explore a range of airlines offering flights from Buffalo Niagara International Airport (BUF) to Harry Reid International Airport (LAS) on this popular domestic route. Whether you're looking for the cheapest flights from Buffalo or options from full-service and low-cost carriers, you can compare itineraries to find one that aligns with your budget and travel plans. Get ready to experience the vibrant sights and neighborhoods of Las Vegas as you plan your next flight from Buffalo to Las Vegas.

  • Fastest flight duration: around 5 hours non-stop
  • Route distance: roughly 2,000 miles (3,220 km)
  • Flights per week: around 30+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $125–$390, depending on seasonality and how far ahead you book

Flights from Buffalo Niagara International Airport (BUF) to Harry Reid International Airport (LAS)

Based on the latest traveler bookings, here are the top airlines preferred for flights from Buffalo to Las Vegas, featuring options for both non-stop and one-stop journeys. Common layover spots include O'Hare International Airport (ORD) with a layover of about 1 hour and 15 minutes, Detroit Metropolitan Wayne County Airport (DTW) with a 1 hour and 30 minute layover, and Midway International Airport (MDW) with a 1 hour layover. This variety allows you to tailor your itinerary by balancing price, total travel time, and cabin class.

  • Southwest Airlines: This budget-friendly airline provides both non-stop and one-stop flights, with one-way ticket prices generally between $130 and $420. It operates around 30% of the departures on this route, featuring a non-stop travel time of approximately 5 hours.
  • American Airlines: As a full-service airline, American Airlines offers one-stop and multi-stop options, with one-way fares typically ranging from $125 to $375. It makes up about 27% of departures on this route, with an in-flight duration of 6 hours and 15 minutes, totaling around 7 hours and 45 minutes for the entire trip.
  • Delta: A full-service choice, Delta provides one-stop services with one-way fares usually falling between $130 and $395. It accounts for roughly 19% of the departures for this route, featuring an in-flight time of 6 hours and 15 minutes and a total travel duration of about 7 hours and 45 minutes, including layover.
  • United: This full-service carrier offers one-stop flight options, with one-way prices typically in the range of $130 to $390. United comprises around 18% of departures on this route, with an in-flight time of 6 hours and 15 minutes and an overall journey time of approximately 7 hours and 45 minutes, factoring in a layover.
  • JetBlue Airways: As a low-cost airline, JetBlue provides one-stop services, with one-way fares generally between $125 and $355. It represents about 4% of the departures on this route, featuring an in-flight duration of 6 hours and 15 minutes and a total travel time of roughly 7 hours and 45 minutes, including layover.

Travelers have the option to enhance their journey from Buffalo to Las Vegas with upgraded flight choices. Leading airlines include Delta, which provides both first class and premium economy; United, offering first class; and American Airlines, also featuring first class.

Best time to fly from Buffalo (BUF) to Las Vegas (LAS)

The most popular months for travelers flying from Buffalo to Las Vegas are February, March, and April, when peak temperatures in Las Vegas reach up to 66.4°F in April. If you prefer quieter travel, consider June, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 86°F. For better deals, August usually offers the lowest average one-way fare around $211. Flight availability peaks in April and May, with approximately 35 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 20 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $211, roughly 6% cheaper than the yearly average.
  • More budget-friendly months to fly: January, July, and June typically offer average one-way fares of around $214.
  • Most flight options: April and May have the highest number of flights from Buffalo to Las Vegas, with approximately 35 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January46.8°F (8.2°C)Average20$212
February50.4°F (10.2°C)High26$230
March57.9°F (14.4°C)High31$234
April66.4°F (19.1°C)High35$246
May74.5°F (23.6°C)Average35$225
June86.0°F (30.0°C)Low29$215
July91.6°F (33.1°C)Average34$214
August89.4°F (31.9°C)Average32$211
September82.6°F (28.1°C)Average32$223
October68.5°F (20.3°C)Average34$244
November55.4°F (13.0°C)Low25$215
December45.9°F (7.7°C)Low24$240

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Buffalo (BUF) to Las Vegas (LAS)

  • Rochester to Las Vegas (ROC-LAS): Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy prices for this route generally fall between $125 and $395, influenced by the season and time of booking. Travelers can choose from both one-stop and direct flight options, with popular layover cities including O'Hare International Airport (ORD) and Charlotte-Douglas International Airport (CLT). Major airlines operating on this route consist of Southwest Airlines and United, with first-class service also available.

How to find the best prices for flights from Buffalo (BUF) to Las Vegas (LAS)

Getting some of the best deals on flights from Buffalo to Las Vegas is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, though most travelers tend to book between two to eight weeks ahead. Afternoon departures from 12 PM to 6 PM often offer lower prices, while morning flights from 5 AM to 12 PM are more popular. Additionally, flying on Wednesday generally provides cheaper options, even though Thursday is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Harry Reid International Airport from Buffalo Niagara International Airport

Las Vegas welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. Here's how to reach Las Vegas efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Las Vegas, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Harry Reid International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Harry Reid International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Harry Reid International Airport, Las Vegas International Airport Station, a train station, is located about 0.1 miles away on foot, while South Strip Transit Terminal, a bus station, is situated approximately 2.5 miles from the airport by car. Additionally, MGM Grand Monorail Station, a metro station, is about 3.4 miles away by car, providing convenient transport options for travelers.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find cheap one-way flights from $117 and cheap return flights from $222 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) with Expedia. One-way flights generally range between $169 and $1071, and roundtrip flights usually range from $336 to $1434. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
January is the cheapest month to fly from Buffalo, NY (BUF) to Las Vegas, NV (LAS), with average round-trip fares around $336. This price is about 13% lower than the average throughout the year, as January is typically a quieter travel month after the holiday season. Other affordable months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Enter BUF to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Buffalo (BUF) to Las Vegas (LAS), with round-trip tickets starting from around $290. This option is perfect for those looking to enjoy the vibrant nightlife of Las Vegas. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Buffalo, NY (BUF) to Las Vegas, NV (LAS) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from BUF to LAS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
For your trip from Buffalo (BUF) to Las Vegas (LAS), January and February are the best months to fly. January has an average price of about $336, making it an affordable choice, while February is also popular, ensuring you have a variety of flight options.*Prices based on flights available on Expedia in the last year.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
On average, there are around 1 nonstop flights per day from Buffalo Niagara Intl. (BUF) to Harry Reid International Airport (LAS). For more options, look at flights that include layovers.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Harry Reid International Airport (LAS) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service can help you start your day early and maximize your time in Las Vegas. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Las Vegas (LAS) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Southwest Airlines, offer flights during this window. This timing works well because it allows you to start your day early and maximize your time in Las Vegas.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Direct flights from BUF to LAS usually take about 5 hours, traveling roughly 1,982 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Select the "Business class" and "First class" filters when looking for BUF to LAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Las Vegas from Buffalo Niagara Intl. (BUF), you can fly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like O'Hare Intl. (ORD), Midway Intl. (MDW), Baltimore Washington Intl. Thurgood Marshall (BWI) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) Las Vegas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. 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'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$222
Distance
1981 mi
Average flight time
1 hour 41 mins

Book with confidence

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 2026. You can also book with separate airlines for your outbound and return journeys, from $117 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.

 

Buffalo to Las Vegas Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia