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

Compare Phoenix Sky Harbor to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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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 Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from £194. Find the lowest prices on one-way and return tickets right here.
Buffalo.£98 per passenger.Departing Fri, 14 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Fri, 14 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From £98, select.
Buffalo.£101 per passenger.Departing Thu, 8 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 8 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From £101, select.
Buffalo.£103 per passenger.Departing Thu, 30 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 30 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From £103, select.
Buffalo.£104 per passenger.Departing Tue, 8 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 8 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From £104, select.
Buffalo.£111 per passenger.Departing Thu, 14 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Thu, 14 Jan, arriving in Buffalo Niagara.Price includes taxes and charges.From £111, select.
Buffalo.£111 per passenger.Departing Sun, 22 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Sun, 22 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From £111, select.
Buffalo.£115 per passenger.Departing Mon, 8 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon, 8 Feb, arriving in Buffalo Niagara.Price includes taxes and charges.From £115, select.
Buffalo.£115 per passenger.Departing Thu, 17 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Thu, 17 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From £115, select.
Buffalo.£119 per passenger.Departing Wed, 7 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Wed, 7 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From £119, select.
Buffalo.£149 per passenger.Departing Thu, 17 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Thu, 17 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From £149, select.
Buffalo.£149 per passenger.Departing Mon, 8 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Mon, 8 Feb, arriving in Buffalo Niagara.Price includes taxes and charges.From £149, select.
Buffalo.£163 per passenger.Departing Sat, 16 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat, 16 Jan, arriving in Buffalo Niagara.Price includes taxes and charges.From £163, select.
Buffalo.£195 per passenger.Departing Fri, 27 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Fri, 27 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From £195, select.
Buffalo.£231 per passenger.Departing Thu, 17 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Thu, 17 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From £231, select.
Buffalo.£447 per passenger.Departing Sat, 1 Aug.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat, 1 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From £447, select.

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 August.
Jul
from £103
Aug
from £98
Sep
from £104
Oct
from £101
Nov
from £111
Dec
from £115
Jan
from £111
Feb
from £115
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
from £231

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.

Buffalo Niagara

8 miles from central Buffalo
ClosestCheapest
from £98
Search flights

Niagara Falls

15 miles from central Buffalo
from £271
Search flights

Phoenix to Buffalo: Flight information

The things to know before you go.
Cheapest flight found£98
Cheapest month to flyAugust
Average flight time4 hrs, 4 mins
Most popular airlineSouthwest Airlines
Average flights per week4

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 £191. 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 2026, there are 4 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 August.
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 Wednesday, 26 August 2026.
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 offers the cheapest flight tickets to Buffalo Niagara.

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

  • Hop on a direct flight from Phoenix Sky Harbour Airport to Buffalo Niagara Airport and you'll be in the air for an average of 4 hours 5 minutes.

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

  • Be prepared for longer lines in popular months like April. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

  • Southwest Airlines is your ticket to exploring Buffalo (and perhaps some other great corners of the United States!). Check out the direct flights from Phoenix Sky Harbour Airport to Buffalo Niagara Airport offered by this carrier.

  • The airline that serves the most passengers on this route is Southwest Airlines.

  • With 69.84% of its services landing on schedule, Southwest Airlines is the most punctual carrier offering PHX to BUF flights.

  • Consider adding a stopover when booking your ticket from Phoenix Sky Harbour Airport to Buffalo Niagara Airport. Just deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between PHX and BUF:

    • Chicago O'Hare International Airport

    • Detroit Wayne County Airport

    • Chicago Midway Airport

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

  • The lowest price we've found for a one-way Phoenix Sky Harbour Airport to Buffalo Niagara Airport flight is £98. A return plane ticket is currently £191. Depending on the availability and when you book, these fares can change.

  • To get cheap tickets from PHX to BUF, reserve your trip one month before your departure date.

  • The cheapest month for flights from Phoenix Sky Harbour Airport to Buffalo Niagara Airport is June. Use the 'Whole month' tool to find the lowest airfares if you have a flexible schedule.

  • You won't have to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from PHX to BUF.

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

Handy information about Phoenix Sky Harbour Airport (PHX)

  • You'll find PHX at 3400 Sky Harbour Boulevard.

  • 80% of flights departing from Phoenix Sky Harbour Airport touch down at their destination according to schedule. Given its dependable on-time performance, you're unlikely to face delays when taking off from PHX.

  • To reach Phoenix Sky Harbour Airport from central Phoenix, it'll take around 10 minutes if you're going by car. Of course, this depends on traffic. It's approximately 5 kms (3 miles) from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 25 minutes.

  • Booked an early flight from Phoenix Sky Harbour Airport to Buffalo Niagara Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to PHX:

Arriving at Buffalo Niagara Airport (BUF)

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

  • Grab a Buffalo Niagara Airport rental car and discover Buffalo and beyond with your own set of wheels. Dollar, Hertz and Budget are top outlets to choose from here.

  • Lock in the lowest price by booking your ride from Buffalo Niagara Airport about two weeks before your travel date.

When to fly to Buffalo Niagara Airport (BUF)

  • The quietest month for a flight from Phoenix Sky Harbour Airport to Buffalo Niagara Airport is March, while August is the busiest. Choose the best time to go to Buffalo based on whether you prefer a more relaxed vibe or a faster pace.

  • Book your flight from Phoenix Sky Harbour Airport to Buffalo Niagara Airport for July if you'd like to explore Buffalo during its warmest month. You can expect temperatures of between 15ºC and 29ºC.

  • January has average temperatures of between -10ºC and 2ºC. Search for cheap tickets from PHX to BUF sometime around then if you like cooler conditions.

Explore more of the United States

  • Buffalo has plenty to offer, but there are so many other corners of the United States waiting to be discovered. Around 467 kms (290 miles) south-east of Buffalo, a trip to New York will keep you busy. Start with attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • Around 451 kms (280 miles) south-east of Buffalo, Philadelphia is another essential stop in the United States. Experience major highlights starting with Independence Hall, Liberty Bell and Philadelphia Museum of Art.

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