C$119 Cheap Flights from Phoenix Sky Harbor (PHX) to Buffalo Niagara (BUF)

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Flight deals from Phoenix Sky Harbor Airport to Buffalo Niagara Airport

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 C$259. Find the lowest prices on one-way and return tickets right here.

Buffalo.C$120 per passenger.Departing Fri., Apr. 24.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Fri., Apr. 24, arriving in Buffalo Niagara.Price includes taxes and charges.From C$120, select.

Buffalo.C$128 per passenger.Departing Fri., May 1.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Fri., May 1, arriving in Buffalo Niagara.Price includes taxes and charges.From C$128, select.

Buffalo.C$148 per passenger.Departing Sat., Jun. 6.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat., Jun. 6, arriving in Buffalo Niagara.Price includes taxes and charges.From C$148, select.

Buffalo.C$175 per passenger.Departing Sat., Jul. 11.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat., Jul. 11, arriving in Buffalo Niagara.Price includes taxes and charges.From C$175, select.

Buffalo.C$208 per passenger.Departing Fri., Sep. 4.One-way flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Fri., Sep. 4, arriving in Buffalo Niagara.Price includes taxes and charges.From C$208, select.

Buffalo.C$209 per passenger.Departing Mon., Aug. 10.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon., Aug. 10, arriving in Buffalo Niagara.Price includes taxes and charges.From C$209, select.

Buffalo.C$328 per passenger.Departing Sat., May 2.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat., May 2, arriving in Buffalo Niagara.Price includes taxes and charges.From C$328, select.

Buffalo.C$333 per passenger.Departing Sat., Apr. 25.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat., Apr. 25, arriving in Buffalo Niagara.Price includes taxes and charges.From C$333, select.

Buffalo.C$387 per passenger.Departing Sat., Jul. 25.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat., Jul. 25, arriving in Buffalo Niagara.Price includes taxes and charges.From C$387, select.

Buffalo.C$457 per passenger.Departing Sat., Jun. 6.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat., Jun. 6, arriving in Buffalo Niagara.Price includes taxes and charges.From C$457, 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 April.

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Which airlines fly 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 found	C$120
Cheapest month to fly	April
Average flight time	4 hrs, 7 mins
Most popular airline	Southwest Airlines
Average flights per week	3

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

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

The best price we found for a return flight from Phoenix Sky Harbor to Buffalo Niagara is C$259. 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 Phoenix Sky Harbor to Buffalo Niagara?

4 hours and 7 minutes is the average flight time from Phoenix Sky Harbor to Buffalo Niagara.

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

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

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

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

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

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

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

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 Tuesday, May 19, 2026.

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

Yes – the average flight time is 4 hours and 7 minutes.

How can I find the best flight deal to Buffalo Niagara?

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.

When is the best time to book flights to Buffalo?

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.

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

Currently, Frontier Airlines offers the cheapest flight tickets to Buffalo Niagara.

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

3 hours 59 minutes is the average duration of a direct flight from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport. Buffalo is 3 hours ahead of Phoenix and operates on the UTC-4 timezone.
For the first departure, catch the 05:00 flight from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport. If you prefer to leave later, the latest flight is at 18:25. With 4 weekly flights from PHX to BUF, you can select the timing that works best for you.
Delays at check-in and security are likely if you're traveling during high season, so give yourself some extra breathing room. A good rule of thumb for peak times? Get there up to four hours ahead for international flights and two hours for domestic departures.
We make it a cinch to get a flight with a stopover. To look at your options for flights from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour the city of your choice. Popular stopovers between PHX and BUF include:
- Chicago Midway International Airport
- O'Hare International Airport
- Detroit Metropolitan Wayne County Airport

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

The lowest price we've seen for a one-way ticket from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport is C$119. For a return flight on this route, the best price is C$259. Depending on the availability when you book, these fares could change.
Book 10 months before your departure date. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap flight tickets from PHX to BUF.
June is the cheapest month for flight tickets from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport. If you need to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.
Log into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a better deal on this route. It's easy to do, and it'll save you time searching for cheap flight tickets from PHX to BUF every day.
Take advantage of filters to find the ideal trip for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Phoenix Sky Harbor International Airport (PHX)

Located around 8 kilometres from the center of Phoenix, Phoenix Sky Harbor International Airport can be reached in approximately 11 minutes by car, depending on traffic. The same journey by public transport is roughly 34 minutes.
Searching for a convenient hotel near PHX? If you're catching an early flight from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport, these accommodation options will put you moments from check-in:

Arriving at Buffalo Niagara International Airport (BUF)

Reserve a hotel close to BUF if you're on a late flight from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport. Pick one of these options and skip the long transfer:

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

From Buffalo Niagara International Airport, Buffalo is approximately 18 kilometres away. It takes around 21 minutes to get to the center driving.
If you're taking public transport, expect a journey time of around 1 hour and 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

August is the most popular month for flights from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport. To skip the crowds, go to Buffalo in May.
The warmest month in Buffalo is July, with the temperature ranging between 15ºC and 28ºC. Book your flights from Phoenix Sky Harbor International Airport to Buffalo Niagara International Airport in this month if you enjoy this type of weather.
Look for cheap flight tickets from PHX to BUF in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC and 2ºC on average.

More about Buffalo

After locking in your flights from PHX to BUF, you'll want to find a place to stay in Buffalo. Make one of these options your base for exploring this exciting city:
Buffalo City Hall and Albright-Knox Art Gallery are just a couple of the major attractions to put on your Buffalo travel itinerary. Keep the adventure rolling by checking out Canalside.

Complete your Buffalo trip with hotels and a car rental

Comparing flights is not our only party trick. After booking your cheap ticket to Buffalo Niagara International Airport, explore our great car rental offers that'll give you the flexibility and freedom to travel around at your own pace. Next, take a look at our exclusive rates for hotels to find the perfect Buffalo stay.