HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$120+ Cheap flights from Buffalo (BUF) to Sky Harbor Intl (PHX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — PHX
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Buffalo to Phoenix Sky Harbor Intl are usually found in September or May, booked 52 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Buffalo to Sky Harbor Intl

Cheapest flights from Buffalo to Sky Harbor Intl
Explore the most affordable flight options available from Buffalo to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.

This Frontier deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:48 pm
BUF
-
PHX
1 stop7h 56m
Frontier
Wed 7/2211:23 pm
PHX
-
BUF
1 stop8h 06m
Frontier
Deal found 6/26$235
This Frontier deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:28 pm
BUF
-
PHX
1 stop10h 09m
Frontier
Fri 7/3111:23 pm
PHX
-
BUF
1 stop9h 10m
Frontier
Deal found 6/23$240
This Booking.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:09 pm
BUF
-
PHX
1 stop16h 21m
Frontier
Mon 7/2011:23 pm
PHX
-
BUF
1 stop8h 06m
Frontier
Deal found 6/25$248
This Trip.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:02 pm
BUF
-
PHX
1 stop15h 28m
Frontier
Sat 7/259:50 pm
PHX
-
BUF
1 stop9h 39m
Frontier
Deal found 6/23$252
This Booking.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:02 pm
BUF
-
PHX
1 stop16h 25m
Frontier
Fri 7/3112:12 am
PHX
-
BUF
1 stop17h 55m
Frontier
Deal found 6/27$253
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:48 pm
BUF
-
PHX
1 stop7h 56m
Frontier
Mon 8/312:12 am
PHX
-
BUF
1 stop15h 54m
Frontier
Deal found 6/24$256
This Trip.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:09 pm
BUF
-
PHX
1 stop16h 26m
Frontier
Sat 8/159:50 pm
PHX
-
BUF
1 stop9h 39m
Frontier
Deal found 6/27$257
This Trip.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:29 pm
BUF
-
PHX
1 stop16h 01m
Frontier
Mon 7/2712:12 am
PHX
-
BUF
1 stop15h 54m
Frontier
Deal found 6/26$258
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:09 pm
BUF
-
PHX
1 stop16h 21m
Frontier
Sat 7/119:50 pm
PHX
-
BUF
1 stop9h 39m
Frontier
Deal found 6/24$263
This Frontier deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/172:48 pm
BUF
-
PHX
1 stop7h 56m
Frontier
Wed 7/2211:23 pm
PHX
-
BUF
1 stop8h 06m
Frontier
Deal found 6/26$271
This Frontier deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:02 pm
BUF
-
PHX
1 stop15h 28m
Frontier
Fri 7/1712:12 am
PHX
-
BUF
1 stop17h 55m
Frontier
Deal found 6/27$272
This Expedia deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:57 pm
BUF
-
PHX
1 stop17h 30m
Frontier
Sun 7/512:12 am
PHX
-
BUF
1 stop15h 54m
Frontier
Deal found 6/28$282

Find flight deals from Buffalo to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(Frontier)

One-way from

$120
(Frontier)

Popular in

November

Cheapest in

September

Average price

$318

Good round-trip deal

$576 or less

Good one-way deal

$298 or less
Provider with most accurate pricing for Buffalo-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Phoenix Sky Harbor Intl flights.
Search Deals
From Buffalo to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Buffalo to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Buffalo to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Buffalo to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from Buffalo to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Tue 10/6

3:50 pm-10:22 pm

1 stop9h 32m

Phoenix Sky Harbor Intl

Tue 10/13

11:15 pm-10:34 am

1 stop8h 19m

$297
Quickest round-trip

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Tue 10/13

4:35 pm-8:35 pm

1 stop7h 00m

Phoenix Sky Harbor Intl

Thu 10/15

5:10 am-3:20 pm

1 stop7h 10m

$297

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Wed 8/26

9:45 am-3:05 pm

1 stop8h 20m

Phoenix Sky Harbor Intl

Sat 8/29

12:35 am-10:50 am

1 stop7h 15m

$297

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Thu 11/5

4:30 pm-12:06 am

1 stop9h 36m

Phoenix Sky Harbor Intl

Thu 11/12

7:05 am-6:37 pm

1 stop9h 32m

$318

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Fri 7/10

6:15 am-12:26 pm

2 stops9h 11m

Phoenix Sky Harbor Intl

Mon 7/20

6:50 am-4:41 pm

1 stop6h 51m

$353

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Thu 10/8

11:55 am-7:10 pm

2 stops10h 15m

Phoenix Sky Harbor Intl

Sat 10/17

12:35 am-10:30 am

1 stop6h 55m

$353

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Fri 7/17

8:55 am-1:50 pm

1 stop7h 55m

Phoenix Sky Harbor Intl

Tue 7/28

5:45 am-11:38 pm

2 stops14h 53m

$366

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Tue 10/6

5:45 pm-10:24 pm

1 stop7h 39m

Phoenix Sky Harbor Intl

Tue 10/13

11:49 pm-2:23 pm

2 stops11h 34m

$402

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Thu 9/24

7:00 am-3:00 pm

2 stops11h 00m

Phoenix Sky Harbor Intl

Sun 9/27

11:52 pm-9:29 am

1 stop6h 37m

$402

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Wed 9/2

10:30 am-5:10 pm

2 stops9h 40m

Phoenix Sky Harbor Intl

Sat 9/5

6:20 am-4:56 pm

1 stop7h 36m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Buffalo to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Sky Harbor Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Buffalo to Phoenix Sky Harbor Intl Airport?

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to Phoenix Sky Harbor Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Buffalo to Phoenix Sky Harbor Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Buffalo to Phoenix Sky Harbor Intl Airport (average of $303). Flying from Buffalo to Phoenix Sky Harbor Intl Airport in November is currently the most expensive (average of $487). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to PHX?

Find hourly flight availability from Buffalo to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 28, 2026.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Phoenix Sky Harbor Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Buffalo to Phoenix Sky Harbor Intl Airport?

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated June 28, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,246 reviews

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Southwest
7.9
Good
4,246 reviews
Southwest
7.9
Good
4,246 reviews

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Delta
7.8
Good
8,455 reviews
Southwest
7.9
Good
4,246 reviews

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
United Airlines
7.4
Good
9,899 reviews
Southwest
7.9
Good
4,246 reviews

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
American Airlines
7.1
Good
11,776 reviews
Southwest
7.9
Good
4,246 reviews

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Frontier
5.6
Fair
2,856 reviews
Southwest
7.9
Good
4,246 reviews

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Phoenix Sky Harbor Intl?

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Phoenix Sky Harbor Intl. You should not have trouble finding flights to Phoenix Sky Harbor Intl from Buffalo; the airport handles an average of 0 outbound flights to Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to Phoenix Sky Harbor Intl. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

  • How long is the flight from Buffalo to Phoenix Sky Harbor Intl Airport?

    Airlines like Delta, Southwest, and United Airlines fly from Buffalo to Phoenix Sky Harbor Intl Airport in about 7h. The time it takes to get you to your destination can typically vary by up to 2h 32m. There are 1906 mi between Buffalo and Phoenix Sky Harbor Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Phoenix Sky Harbor Intl Airport round-trip?

    Our cheapest airline available from Buffalo to Phoenix Sky Harbor Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $101 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $144 and $236 round-trip. Frontier is currently priced 74% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Buffalo to Phoenix Sky Harbor Intl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $82. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Buffalo to Phoenix Sky Harbor Intl Airport for a low price.

  • What are the cheapest flights from Buffalo to Phoenix Sky Harbor Intl Airport?

    Looking at all options, your cheapest flight can be booked for $199. While the most popular route (Buffalo - Phoenix Sky Harbor Intl) can be booked for $266 on average, our data indicates $493 when flying from Buffalo to Phoenix Sky Harbor Intl Airport.

  • Can I find deals for flights from Buffalo to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Buffalo to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Sky Harbor Intl.

  • Can I find deals for business class flights from Buffalo to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Buffalo to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Phoenix Sky Harbor Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Buffalo to Phoenix Sky Harbor Intl Airport (average of $303). Flying from Buffalo to Phoenix Sky Harbor Intl Airport in November is currently the most expensive (average of $487). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Glendale
Buckeye
Goodyear
Surprise
Paradise Valley
Peoria
Payson
Casa Grande
Chandler
Camp Verde
Globe
Fountain Hills
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Buffalo to Sky Harbor Intl

Discover the top 6 airlines that operate flights from Buffalo to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$250FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$144Average$326FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$326FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$407FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$246Average$417FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$247Average$459FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.