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$111 Cheap Flights from Las Vegas (LAS) to Buffalo (BUF)

View $111 flight on Tue, Oct 20, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $111 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 23 - Sun, Oct 25
LAS
Las Vegas
BUF
Buffalo
$222 Roundtrip, found 2 hours ago
$222
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Las Vegas to Buffalo, returning Sun, Oct 25, priced at $222 found 2 hours ago
Frontier Airlines
Fri, Sep 11 - Wed, Sep 16
LAS
Las Vegas
BUF
Buffalo
$232 Roundtrip, found 4 hours ago
$232
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Sep 11 from Las Vegas to Buffalo, returning Wed, Sep 16, priced at $232 found 4 hours ago
Frontier Airlines
Wed, Oct 28 - Mon, Nov 2
LAS
Las Vegas
BUF
Buffalo
$247 Roundtrip, found 10 hours ago
$247
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Las Vegas to Buffalo, returning Mon, Nov 2, priced at $247 found 10 hours ago
Frontier Airlines
Fri, Oct 16 - Sun, Oct 18
LAS
Las Vegas
BUF
Buffalo
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Las Vegas to Buffalo, returning Sun, Oct 18, priced at $251 found 2 hours ago
Frontier Airlines
Sat, Aug 22 - Sat, Aug 29
LAS
Las Vegas
BUF
Buffalo
$261 Roundtrip, found 10 hours ago
$261
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Aug 22 from Las Vegas to Buffalo, returning Sat, Aug 29, priced at $261 found 10 hours ago
Frontier Airlines
Tue, Aug 25 - Mon, Aug 31
LAS
Las Vegas
BUF
Buffalo
$262 Roundtrip, found 2 days ago
$262
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 25 from Las Vegas to Buffalo, returning Mon, Aug 31, priced at $262 found 2 days ago
JetBlue Airways
Wed, Oct 14 - Tue, Oct 20
LAS
Las Vegas
BUF
Buffalo
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Oct 14 from Las Vegas to Buffalo, returning Tue, Oct 20, priced at $287 found 2 days ago
Southwest Airlines
Fri, Sep 11 - Wed, Sep 16
LAS
Las Vegas
BUF
Buffalo
$292 Roundtrip, found 4 hours ago
$292
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Sep 11 from Las Vegas to Buffalo, returning Wed, Sep 16, priced at $292 found 4 hours ago
United
Sat, Sep 5 - Sun, Sep 6
LAS
Las Vegas
BUF
Buffalo
$336 Roundtrip, found 4 hours ago
$336
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Sep 5 from Las Vegas to Buffalo, returning Sun, Sep 6, priced at $336 found 4 hours ago
American Airlines
Thu, Oct 1 - Tue, Oct 6
LAS
Las Vegas
BUF
Buffalo
$341 Roundtrip, found 1 hour ago
$341
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 1 from Las Vegas to Buffalo, returning Tue, Oct 6, priced at $341 found 1 hour ago

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 $251
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $251

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

January is typically the cheapest month to fly

From $174 - $425 per traveler.

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

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

Explore a range of airlines offering flights from Las Vegas (LAS) to Buffalo (BUF) on this domestic short-haul route. Whether you prefer full-service options or low-cost carriers, you can easily compare choices to find a flight that suits your budget and schedule as you visit Buffalo's renowned attractions and neighborhoods. Get all the essential information for your journey from Harry Reid International Airport (LAS) to Buffalo Niagara International Airport (BUF).

  • Fastest flight duration: around 4h 15m non-stop
  • Route distance: roughly 2,000 miles (3,220 km)
  • Flights per week: around 20+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $115–$410, depending on seasonality and how far ahead you book

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

Based on recent traveler bookings, here are the top airlines favored for flights from Las Vegas to Buffalo, offering both non-stop and one-stop options. Popular layover hubs include O'Hare International Airport (ORD) with an average layover of about 1 hour and 30 minutes, Detroit Metropolitan Wayne County Airport (DTW) at approximately 1 hour and 15 minutes, and Charlotte-Douglas International Airport (CLT) with a 1-hour layover. This variety allows you to balance price, total travel time, and cabin class to secure the best itinerary for your journey.

  • American Airlines: This full-service airline provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $115 and $385. It represents about 28% of the departures on this route, typically offering a one-stop flight duration of 5 hours and 30 minutes, leading to a total travel time of around 7 hours.
  • Southwest Airlines: Known for its budget-friendly approach, this carrier provides non-stop, one-stop, and multi-stop flights, with one-way fares usually ranging from $130 to $490. Southwest accounts for approximately 25% of the departures on this route, with a standard non-stop flight taking about 4 hours and 15 minutes.
  • Delta: As a full-service airline, Delta offers one-stop flights with one-way fares typically between $130 and $440. It makes up around 20% of the departures on this route, featuring an in-flight duration of 5 hours and 30 minutes, with an overall travel time of approximately 7 hours, including layover.
  • United: This full-service carrier also provides one-stop service, with one-way fares ranging from $130 to $395. United represents about 18% of the departures on this route, featuring a flight time of 5 hours and 30 minutes and a total journey time of roughly 7 hours when accounting for layovers.
  • JetBlue Airways: Offering a low-cost option, JetBlue provides one-stop service with one-way fares typically between $115 and $405. It comprises about 5% of the departures on this route, with an in-flight duration of 5 hours and 30 minutes, leading to a total travel time of around 7 hours, including layovers.

Travelers flying from Las Vegas to Buffalo can enhance their journey by upgrading their flight. Delta presents options in both first class and premium economy, while American Airlines exclusively offers first class service.

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

The most popular months for travelers flying from Las Vegas to Buffalo are March, April, and August, when peak temperatures in Buffalo reach up to 70.7°F in August. If you prefer quieter travel, consider December, the least busy time to visit with temperatures around 33.1°F and typically the lowest average one-way fare (around $198). Flight availability peaks in July, with approximately 32 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 15 flights per week.

  • Cheapest time to fly: December usually offers good deals with average one-way fare around $198, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: June, July, and August typically offer average one-way fares of around $209.
  • Most flight options: July has the highest number of flights from Las Vegas to Buffalo, with approximately 32 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.5°F (-3.6°C)Average15$236
February26.1°F (-3.3°C)Average18$218
March34.3°F (1.3°C)High25$238
April45.0°F (7.2°C)High25$257
May57.7°F (14.3°C)Low26$231
June66.0°F (18.9°C)Average23$204
July72.0°F (22.2°C)Average32$208
August70.7°F (21.5°C)High28$214
September64.6°F (18.1°C)Average26$219
October53.2°F (11.8°C)Average26$217
November41.4°F (5.2°C)Low21$226
December33.1°F (0.6°C)Low18$198

*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 Las Vegas (LAS) to Buffalo (BUF)

  • Las Vegas to Rochester (LAS-ROC): 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 $120 and $435, varying by season and how far in advance you book. Travelers can choose from both non-stop and one-stop flight options, with common layover points at O'Hare International Airport (ORD) and Detroit Metropolitan Wayne County Airport (DTW). Major airlines operating on this route include Southwest Airlines and American Airlines, with first class also offered on select flights.

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

Getting some of the best deals on flights from Las Vegas to Buffalo 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, although most travelers typically book two to eight weeks ahead. Evening departures between 6 PM and 12 AM tend to be cheaper, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesday generally offers lower prices, despite Monday being the most common 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 Buffalo Niagara International Airport from Harry Reid International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara 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 Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is about 6.5 miles away by car, providing convenient options for travelers heading into the city.

Frequently asked questions

How much does a flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $111 and cheap return flights from $222 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights usually range from $164 to $1009, and return flights typically cost between $340 and $1477. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from LAS to BUF is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter LAS to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Las Vegas, NV (LAS) to Buffalo, NY (BUF), with round-trip tickets starting from around $469. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from Las Vegas, NV (LAS) to Buffalo, NY (BUF) 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 LAS to BUF, 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 1 nonstop flights per day from Harry Reid International Airport (LAS) to Buffalo Niagara Intl. (BUF). For more options, look at flights that include layovers.
What is the earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Harry Reid International Airport (LAS) in Las Vegas to Buffalo Niagara International Airport (BUF) typically departs at around 12:05 AM, operated by United Airlines. This seasonal service is available in March, giving you a head start on your travels. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Las Vegas, NV (LAS) to Buffalo, NY (BUF) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines, and Delta Air Lines, offer flights during this window. This timing is popular because it allows you to start your day early and arrive in Buffalo with plenty of time to enjoy the city.
How long does it take to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A nonstop flight from LAS to BUF typically takes around 4 hours 20 minutes, covering approximately 1,982 miles. Connecting flights on this route usually add 2 hours 40 minutes to your travel time. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class seats are offered on the LAS to BUF route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Buffalo from McCarran Intl. (LAS)?
If you're planning to travel to Buffalo from Harry Reid International Airport (LAS), you can fly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Denver Intl. (DEN), Los Angeles Intl. (LAX), O'Hare Intl. (ORD) before reaching Buffalo. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Buffalo, NY (BUF-Buffalo Niagara 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
Harry Reid Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$222
Distance
1981 mi
Average flight time
7 hours 20 mins

Book with confidence

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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $111 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.

 

Las Vegas to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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