$130 Cheap Flights from Phoenix (PHX) to Buffalo (BUF)

Phoenix (PHX) to Buffalo (BUF) at a glance

Travel from Phoenix (PHX) to Buffalo (BUF) with a selection of airlines on this domestic short-haul route. Compare options from full-service and low-cost carriers to discover the best flights that align with your budget, schedule, and travel preferences while you explore Buffalo’s renowned attractions and neighborhoods. Check out essential details for your journey from Sky Harbor International Airport (PHX) to Buffalo Niagara International Airport (BUF) to plan your next flight seamlessly.

• Fastest flight duration: around 4 hours non-stop
• Route distance: roughly 1,900 miles (3,060 km)
• Flights per week: around 20+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $115–$420, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Buffalo Niagara International Airport (BUF)

According to recent traveler bookings, here are the top airlines favored for flights from Phoenix to Buffalo, featuring both non-stop and one-stop options. Many passengers choose layovers at O'Hare International Airport (ORD) with an average connection time of about 1 hour and 30 minutes, Denver International Airport (DEN) with approximately 1 hour and 15 minutes, and Baltimore Washington International Thurgood Marshall Airport (BWI) also around 1 hour and 30 minutes. This allows you to explore various combinations of price, travel duration, and cabin class for the ideal itinerary.

• Southwest Airlines: Known for its budget-friendly options, this low-cost carrier provides both non-stop and one-stop flights, with one-way fares generally ranging from $120 to $460. Southwest makes up about 33% of departures on this route, featuring a typical in-flight duration of 5 hours and 15 minutes, leading to an overall travel time of around 7 hours.
• American Airlines: As a full-service airline, American offers one-stop service with one-way ticket prices typically between $115 and $410. It also represents roughly 33% of departures on this route, boasting an in-flight time of 5 hours and 15 minutes, resulting in a total journey time of about 7 hours, including the layover.
• United: This full-service airline provides one-stop flights with one-way fares generally ranging from $125 to $465. United accounts for approximately 13% of departures on this route, featuring an in-flight duration of 5 hours and 15 minutes, culminating in a total travel time of about 7 hours, factoring in layover time.
• Delta: Another full-service option, Delta offers one-stop service with one-way fares typically ranging from $120 to $445. Delta represents around 12% of departures on this route, providing a flight time of 5 hours and 15 minutes, leading to a total journey duration of roughly 7 hours, including any layovers.
• Frontier Airlines: This low-cost carrier specializes in one-stop service, with one-way fares typically falling between $115 and $235. Frontier accounts for about 4% of departures on this route, with an in-flight time of 5 hours and 15 minutes, resulting in a total journey time of around 7 hours, including layover considerations.

Travelers flying from Phoenix to Buffalo can opt for an upgraded experience, with American Airlines and Delta both offering first-class cabins for this route.

Best time to fly from Phoenix (PHX) to Buffalo (BUF)

The most popular months for travelers flying from Phoenix to Buffalo are March, April, and June, when peak temperatures in Buffalo reach up to 66°F in June. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 25.5°F. For better deals, July usually offers the lowest average one-way fare around $219. Flight availability peaks in July, with approximately 27 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: July usually offers good deals with average one-way fare around $219, roughly 6% cheaper than the yearly average.
• More budget-friendly months to fly: February, January, and April typically offer average one-way fares of around $222.
• Most flight options: July has the highest number of flights from Phoenix to Buffalo, with approximately 27 flights per week, giving you more flexibility in scheduling your trip.

*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 Phoenix (PHX) to Buffalo (BUF)

• Phoenix to Rochester (PHX-ROC): Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy fares on this journey generally range from $115 to $415, influenced by the time of year and how far in advance you book. This route features both non-stop and one-stop flight options, with common layover points at O'Hare International Airport (ORD) and Charlotte-Douglas International Airport (CLT). Major airlines servicing this route include American Airlines and the budget-friendly Southwest Airlines. Additionally, business and first-class service is offered on this route.

How to find the best prices for flights from Phoenix (PHX) to Buffalo (BUF)

Getting some of the best deals on flights from Phoenix 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 typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Early morning departures (12am-5am) often offer lower prices, while morning flights (5am-12pm) are the most popular. Additionally, flying on Saturday usually provides cheaper options, although Thursday remains 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 Buffalo Niagara International Airport from Sky Harbor International Airport

Buffalo welcomes travelers from Phoenix 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 situated around 6.5 miles from the airport, also most conveniently accessed by car.

Phoenix to Buffalo Flights

The cheapest times to fly from Phoenix 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 Phoenix to Buffalo are during the month of November. You can find some of the cheapest flights from Phoenix to Buffalo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Phoenix to Buffalo

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $130 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 Phoenix 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 Phoenix 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.