Cheap Flights from Phoenix Sky Harbor to Buffalo Niagara

Compare Phoenix Sky Harbor to Buffalo Niagara flight deals

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Flight deals from Phoenix Sky Harbor to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor to Buffalo Niagara? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix Sky Harbor to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Buffalo Niagara flights are currently cheapest in September.

Direct flights from Phoenix Sky Harbor to Buffalo Niagara

Phoenix Sky Harbor to Buffalo Niagara: Alternative routes

Compare routes from Phoenix Sky Harbor to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Phoenix to Buffalo: Flight information

The things to know before you go.
Cheapest flight found195 €
Cheapest month to flySeptember
Average flight time4 hrs, 4 mins
Most popular airlineSouthwest Airlines
Average flights per week5

Finding cheap flights from Phoenix Sky Harbor to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from Phoenix Sky Harbor to Buffalo Niagara is 195 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 4 minutes is the average flight time from Phoenix Sky Harbor to Buffalo Niagara.
Southwest Airlines flies direct from Phoenix Sky Harbor to Buffalo Niagara.
As of July 2025, there are 5 flights per week flying from Phoenix Sky Harbor to Buffalo Niagara.
The cheapest month to fly from Phoenix Sky Harbor to Buffalo Niagara is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Buffalo Niagara Airport on Monday, 1 September 2025.
Yes – the average flight time is 4 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buffalo Niagara but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Buffalo Niagara.

Travelling from Phoenix Sky Harbour International Airport (PHX) to Buffalo Niagara International Airport (BUF): what you need to know

  • Around 4 hours is how long you can expect to be travelling on a direct flight from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport.

  • You can choose from four weekly Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport flights. The 07:50 departure with Southwest Airlines is the earliest flight available. Southwest Airlines operates the last service of the day at 18:20.

  • Leave enough time to catch your PHX to BUF flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month like July? Public holidays and other high seasons can mean longer lines and delays at check-in and security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.

  • Getting to Buffalo (and then discovering more of United States!) is easy with Southwest Airlines. This popular airline offers direct flights from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport.

  • Southwest Airlines is the top choice for travellers on this route.

  • Southwest Airlines is the most punctual carrier operating PHX to BUF flights, with 68.75% of its services arriving as scheduled.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Stopovers between PHX and BUF include:

    • Detroit Metropolitan Wayne County Airport

    • Chicago Midway International Airport

    • O'Hare International Airport

How to find the cheapest flights from Phoenix Sky Harbour International Airport (PHX) to Buffalo Niagara International Airport (BUF)

  • 84 € is currently the lowest price for a one-way Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport flight. A return flight starts from 195 €. These fares can change based on availability and demand.

  • Score cheap tickets from PHX to BUF by booking at least seven months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • Plan your trip for June. That's the cheapest month for flights from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest airfare across each month.

  • Getting your hands on cheap flights from PHX to BUF is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when there's a better deal.

  • Lock in the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Phoenix Sky Harbour International Airport (PHX)

  • PHX's address is 3400 Sky Harbour Boulevard.

  • 82.57% of flights leaving Phoenix Sky Harbour International Airport land at their destination on time. Given its strong on-time performance, you're unlikely to be delayed when flying out of PHX.

  • Central Phoenix to Phoenix Sky Harbour International Airport is around 8 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, catching a cab or ride-sharing.

  • You can expect a trip time of roughly 35 minutes on public transport.

  • Looking for a convenient hotel close to PHX? If you're boarding an early flight from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Buffalo Niagara International Airport (BUF)

  • The last thing you want is a long trip to your hotel if you're landing late on a Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport flight. Reserve one of these accommodation options near BUF instead:

  • Get on the fast track to adventure by picking up a Buffalo Niagara International Airport rental car. Grab your wheels from Dollar, Hertz or Budget and experience the lesser-explored corners of Buffalo and beyond.

  • Booking your vehicle from Buffalo Niagara International Airport about two weeks ahead gives you the best chance of locking in a great deal.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • The address for BUF is Genesee Street.

  • Buffalo Niagara International Airport to the centre of Buffalo has a drive time of about 20 minutes. It's approximately 18 kilometres away.

  • When travelling by public transport, expect a journey time of roughly 1 hour 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

  • It's time to pick your trip dates for your flight from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport. August is the most popular month to visit Buffalo. If you'd like a more relaxed vibe, go in May.

  • Lock in your flight from Phoenix Sky Harbour International Airport to Buffalo Niagara International Airport for July if you want to visit Buffalo during its warmest month. Expect temperatures of between 15ºC (59ºF) and 28ºC (82ºF).

  • If you like cooler conditions, search for a cheap ticket from PHX to BUF in January. Average temperatures are between -10ºC (14ºF) and 2ºC (36ºF) then.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be discovered after you've experienced Buffalo. Around 467 kilometres away to the south-east, top sights here include Statue of Liberty, Central Park and Empire State Building.

  • If you're ready to explore another great destination in United States, head for Philadelphia, roughly 451 kilometres south-east of Buffalo. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.