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Cheap Flights from Buffalo Niagara (BUF) to Phoenix Sky Harbor (PHX)

Compare Buffalo Niagara to Phoenix Sky Harbor flight deals

Find the cheapest month or even day of the year to fly to Phoenix Sky Harbor

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Flight deals from Buffalo Niagara to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Phoenix Sky Harbor Airport? If you want to travel next month, return fares start from £213. Find the lowest prices on one-way and return tickets right here.
Phoenix.£77 per passenger.Departing Sat, 22 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 22 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £77, select.
Phoenix.£97 per passenger.Departing Tue, 13 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 13 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £97, select.
Phoenix.£100 per passenger.Departing Thu, 12 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 12 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £100, select.
Phoenix.£103 per passenger.Departing Thu, 3 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 3 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £103, select.
Phoenix.£114 per passenger.Departing Wed, 27 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Wed, 27 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £114, select.
Phoenix.£115 per passenger.Departing Sat, 13 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Sat, 13 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £115, select.
Phoenix.£149 per passenger.Departing Sat, 30 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 30 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £149, select.
Phoenix.£149 per passenger.Departing Tue, 13 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 13 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £149, select.
Phoenix.£150 per passenger.Departing Thu, 17 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Thu, 17 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £150, select.
Phoenix.£168 per passenger.Departing Tue, 22 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 22 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £168, select.
Phoenix.£195 per passenger.Departing Fri, 27 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Fri, 27 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £195, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Phoenix Sky Harbor flights are currently cheapest in August.
Aug
from £77
Sep
from £103
Oct
from £97
Nov
from £100
Dec
from £150
Jan
from £114
Feb
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Mar
from £115
Apr
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May
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Jun
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Jul
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Direct flights from Buffalo Niagara to Phoenix Sky Harbor

Buffalo Niagara to Phoenix Sky Harbor: Alternative routes

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

Phoenix Sky Harbor

4 miles from central Phoenix
ClosestCheapest
from £77
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Phoenix Scottsdale Municipal

15 miles from central Phoenix
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Phoenix-Deer Valley

17 miles from central Phoenix
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Phoenix-Mesa Gateway

26 miles from central Phoenix
from £145
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Buffalo to Phoenix: Flight information

The things to know before you go.
Cheapest flight found£77
Cheapest month to flyAugust
Average flight time4 hrs, 54 mins
Most popular airlineSouthwest Airlines
Average flights per week6

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

The best price we found for a return flight from Buffalo Niagara to Phoenix Sky Harbor is £181. 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 54 minutes is the average flight time from Buffalo Niagara to Phoenix Sky Harbor.
Southwest Airlines flies direct from Buffalo Niagara to Phoenix Sky Harbor.
As of August 2026, there are 6 flights per week flying from Buffalo Niagara to Phoenix Sky Harbor.
The cheapest month to fly from Buffalo Niagara to Phoenix Sky Harbor is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Phoenix Sky Harbor Airport on Saturday, 22 August 2026.
Yes – the average flight time is 4 hours and 54 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 Phoenix Sky Harbor 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 Phoenix 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 Phoenix Sky Harbor.

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

  • The average time for a direct flight from Buffalo Niagara Airport to Phoenix Sky Harbour Airport is 4 hours 40 minutes.

  • The timezone in Phoenix is UTC-7, which is two hours behind Buffalo.

  • Your BUF to PHX flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Travelling during a peak time like August? Major public holidays and other popular seasons can result in longer lines and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • Southwest Airlines is your gateway to exploring Phoenix (and maybe even some other great parts of the United States!). Browse the direct flights from Buffalo Niagara Airport to Phoenix Sky Harbour Airport offered by this popular carrier.

  • The airline most travellers prefer to fly with on this route is Southwest Airlines.

  • With 79.37% of its services landing as planned, Southwest Airlines is the most punctual carrier offering BUF to PHX flights.

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

    • Chicago O'Hare International Airport

    • Denver International Airport

    • Detroit Wayne County Airport

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

  • Right now, £77 is the cheapest price we've seen for a one-way Buffalo Niagara Airport to Phoenix Sky Harbour Airport flight. The best price for a return ticket is £181. Keep in mind that fares may change due to demand when booking.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from BUF to PHX if you book early. Airlines often have some fantastic early bird rates.

  • Plan your trip for May. That's the cheapest month for flights from Buffalo Niagara Airport to Phoenix Sky Harbour Airport. If you're flexible on when you fly, use the 'Whole month' tool to see the cheapest airfare across every month.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll let you know as soon as the price changes on cheap flights from BUF to PHX.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Buffalo Niagara Airport to Phoenix Sky Harbour Airport.

Handy information about Buffalo Niagara Airport (BUF)

  • BUF's address is Genesee Street.

  • When it comes to the on-time performance of Buffalo Niagara Airport, 74% of flights arrive within the expected timeframe.

  • Buffalo Niagara Airport is about 16 kms (10 miles) from central Buffalo. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • The trip on public transport typically takes 40 minutes.

  • Get your break off to a hassle-free start by staying near BUF. Whether you're taking an early flight from Buffalo Niagara Airport to Phoenix Sky Harbour Airport or just don't want to be rushed, these stays are the answer:

Arriving at Phoenix Sky Harbour Airport (PHX)

When to fly to Phoenix Sky Harbour Airport (PHX)

  • It's time to choose your trip dates for your flight from Buffalo Niagara Airport to Phoenix Sky Harbour Airport. April is the most popular month to head to Phoenix. If you prefer a quieter vibe, go in March.

  • Book your flight from Buffalo Niagara Airport to Phoenix Sky Harbour Airport for July if you'd like to go to Phoenix during its warmest month. Expect temperatures of between 27ºC and 45ºC.

  • Search for cheap tickets from BUF to PHX in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 21ºC on average.

Explore more of the United States

  • You've done Phoenix, now it's time to discover other parts of the United States. Journey about 483 kms (300 miles) west to San Diego to check off its top sights. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, there's plenty to keep you on the go.

  • Around 418 kms (260 miles) north-west of Phoenix, Las Vegas is another essential stop in the United States. No visit is complete without checking out Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.