Cheap Flights from Buffalo Niagara to Phoenix Sky Harbor from $398

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Flight deals from Buffalo Niagara Airport to Phoenix Sky Harbor Airport

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 $398. Find the lowest prices on one-way and return tickets right here.

Phoenix.$395 per passenger.Departing Fri, 24 Apr, returning Sun, 3 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 24 Apr, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sun, 3 May, arriving in Buffalo Niagara.Price includes taxes and charges.From $395, select.

Phoenix.$396 per passenger.Departing Thu, 23 Apr, returning Mon, 27 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 23 Apr, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Mon, 27 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From $396, select.

Phoenix.$443 per passenger.Departing Tue, 12 May, returning Thu, 14 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 12 May, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 14 May, arriving in Buffalo Niagara.Price includes taxes and charges.From $443, select.

Phoenix.$499 per passenger.Departing Sat, 30 May, returning Tue, 2 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 30 May, arriving in Phoenix Sky Harbor.Inbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 2 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From $499, select.

Phoenix.$509 per passenger.Departing Fri, 5 Jun, returning Tue, 9 Jun.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Fri, 5 Jun, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Tue, 9 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From $509, select.

Phoenix.$526 per passenger.Departing Wed, 25 Mar, returning Wed, 1 Apr.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Wed, 25 Mar, arriving in Phoenix Sky Harbor.Inbound indirect flight with United, departs from Phoenix Sky Harbor on Wed, 1 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From $526, select.

Phoenix.$577 per passenger.Departing Thu, 9 Jul, returning Sun, 12 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Thu, 9 Jul, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sun, 12 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From $577, select.

Phoenix.$596 per passenger.Departing Tue, 1 Dec, returning Sat, 5 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 1 Dec, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sat, 5 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From $596, select.

Phoenix.$596 per passenger.Departing Fri, 13 Nov, returning Fri, 20 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Fri, 13 Nov, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Fri, 20 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From $596, select.

Phoenix.$605 per passenger.Departing Fri, 18 Sep, returning Tue, 22 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Fri, 18 Sep, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Tue, 22 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From $605, select.

Phoenix.$614 per passenger.Departing Tue, 17 Mar, returning Tue, 24 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 17 Mar, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Tue, 24 Mar, arriving in Buffalo Niagara.Price includes taxes and charges.From $614, select.

Phoenix.$625 per passenger.Departing Thu, 1 Oct, returning Tue, 6 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Thu, 1 Oct, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Tue, 6 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From $625, select.

Phoenix.$657 per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Wed, 30 Sep, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sun, 4 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From $657, select.

Phoenix.$683 per passenger.Departing Fri, 26 Jun, returning Fri, 3 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Fri, 26 Jun, arriving in Phoenix Sky Harbor.Inbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Fri, 3 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From $683, 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 April.

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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.

Buffalo to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$395
Cheapest month to fly	April
Average flight time	4 hrs, 42 mins
Most popular airline	Southwest Airlines
Average flights per week	3

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The Global Ambassador

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

How much are return flights from Buffalo Niagara to Phoenix Sky Harbor?

The best price we found for a return flight from Buffalo Niagara to Phoenix Sky Harbor is $398. 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.

How long does it take to fly from Buffalo Niagara to Phoenix Sky Harbor?

4 hours and 42 minutes is the average flight time from Buffalo Niagara to Phoenix Sky Harbor.

Which airlines fly direct from Buffalo Niagara to Phoenix Sky Harbor?

Southwest Airlines flies direct from Buffalo Niagara to Phoenix Sky Harbor.

How many flights are there a week from Buffalo Niagara to Phoenix Sky Harbor?

As of March 2026, there are 3 flights per week flying from Buffalo Niagara to Phoenix Sky Harbor.

When is the cheapest time to fly from Buffalo Niagara to Phoenix Sky Harbor?

The cheapest month to fly from Buffalo Niagara to Phoenix Sky Harbor is usually April.

Which upcoming date is cheapest to fly from Buffalo Niagara Airport to Phoenix Sky Harbor Airport on?

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 Friday, 24 April 2026.

Can I get a direct flight from Buffalo Niagara Airport to Phoenix Sky Harbor Airport?

Yes – the average flight time is 4 hours and 42 minutes.

How can I find the best flight deal to Phoenix Sky Harbor?

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.

When is the best time to book flights to Phoenix?

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.

Which is the cheapest airline to fly from Buffalo Niagara Airport to Phoenix Sky Harbor with?

Currently, Frontier Airlines offers the cheapest flight tickets to Phoenix Sky Harbor.

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

Hop on a direct flight from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport and you'll be in the air for an average of 4 hours 45 minutes.
Phoenix is three hours behind Buffalo and is in the UTC-7 timezone.
Flights from BUF to PHX start from 05:00 — the earliest with Southwest Airlines. The latest departure is at 18:25 with Southwest Airlines. In total, there are seven weekly Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport flights.
Arrive at the airport on time so you don't miss your BUF to PHX flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
You can expect bigger queues during popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you ample time for security and boarding.
Southwest Airlines is your gateway to exploring Phoenix (and perhaps some other exciting parts of United States!). Browse the direct flights from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport offered by this airline.
Southwest Airlines is the airline with the highest passenger demand for this route.
Southwest Airlines is the most punctual carrier offering BUF to PHX flights. A reliable 84.38% of its departures on this route land as scheduled.
If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport. These are the most popular stopovers between BUF and PHX:
- O'Hare International Airport
- Detroit Metropolitan Wayne County Airport
- Denver International Airport

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

$182 is currently the best price for a one-way Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport flight. Return flights start at $398. These fares can change based on availability.
Book six months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from BUF to PHX.
May is the cheapest month for flights from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.
Stay on top of deals for cheap flights from BUF to PHX by creating a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.
Select your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport.

Handy information about Buffalo Niagara International Airport (BUF)

BUF is located at Genesee Street.
75.46% of flights taking off from Buffalo Niagara International Airport make it to their destination on time.
Buffalo Niagara International Airport is around 18 kilometres from central Buffalo. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.
Catching public transport? Expect a journey time of around 1 hour 15 minutes.
Get your holiday off to a leisurely start by staying near BUF. Whether you're boarding an early flight from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport or just don't want to be rushed, these stays are ideal:

Arriving at Phoenix Sky Harbour International Airport (PHX)

The last thing you need is a lengthy journey to your hotel if you're arriving on a late Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport flight. Stay at one of these accommodation options near PHX instead:
Fast-track your adventure by picking up a Phoenix Sky Harbour International Airport rental car. Grab your wheels from Europcar, Dollar or Thrifty and experience the lesser-explored corners of Phoenix and beyond.
To secure the lowest price, reserve your ride from Phoenix Sky Harbour International Airport around one week before travelling.

Getting from Phoenix Sky Harbour International Airport (PHX) to central Phoenix

You'll find PHX at 3400 Sky Harbour Boulevard.
From Phoenix Sky Harbour International Airport, Phoenix is approximately 8 kilometres away. It takes around 10 minutes to reach the centre driving.
It'll take around 35 minutes to get there using public transport.

When to fly to Phoenix Sky Harbour International Airport (PHX)

July is the most popular month for flights from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport. For a quieter experience, head to Phoenix in May.
The warmest month in Phoenix is July, with the temperature ranging between 26ºC and 44ºC. Book your flights from Buffalo Niagara International Airport to Phoenix Sky Harbour International Airport in this month if this is the kind of weather you like.
If you want cooler conditions, search for a cheap ticket from BUF to PHX in January. Temperatures average between 4ºC and 20ºC then.

Explore more of United States

Phoenix has plenty to offer, but there are so many other parts of United States you'll want to see. About 483 kilometres west of Phoenix, a visit to San Diego will keep your itinerary packed. Start with leading attractions like San Diego Zoo, USS Midway Museum and SeaWorld San Diego.
Las Vegas is another sought-after destination in United States and is around 418 kilometres north-west of Phoenix. No journey is complete without seeing Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.