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Sky Harbor Intl

$94+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — PHX
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to Phoenix Sky Harbor Intl are usually found in June or July, booked 50 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap 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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$247
(Delta)

One-way from

$94
(American Airlines)

Popular in

November

Cheapest in

June

Average price

$427

Good round-trip deal

$516 or less

Good one-way deal

$279 or less
Provider with most accurate pricing for Buffalo-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Phoenix Sky Harbor Intl flights.
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From Buffalo to Phoenix Sky Harbor Intl
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One-way flight from Buffalo to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Buffalo to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Buffalo to Phoenix Sky Harbor Intl.
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Find 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 January 6, 2026.

This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:47 pmBUF - PHX
1 stop9h 02mDelta
Mon 4/610:29 pmPHX - BUF
1 stop9h 32mDelta
Deal found 1/6$247
This Delta deal was found by Cheapflights users on 1/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:44 pmBUF - PHX
1 stop7h 05mDelta
Thu 1/2912:45 pmPHX - BUF
1 stop8h 12mDelta
Deal found 1/3$248
This Southwest deal was found by Cheapflights users on 1/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:20 pmBUF - PHX
2 stops8h 55mSouthwest
Tue 2/1010:35 amPHX - BUF
2 stops9h 20mSouthwest
Deal found 1/6$249
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:00 pmBUF - PHX
1 stop29h 27mFrontier
Thu 3/56:57 pmPHX - BUF
2 stops13h 52mFrontier
Deal found 1/6$250
This United Airlines deal was found by Cheapflights users on 1/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 amBUF - PHX
1 stop7h 33mUnited Airlines
Wed 2/2511:33 amPHX - BUF
2 stops9h 26mUnited Airlines
Deal found 1/5$252
This Southwest deal was found by Cheapflights users on 1/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/122:40 pmBUF - PHX
1 stop12h 20mSouthwest
Tue 2/1711:40 pmPHX - BUF
1 stop6h 25mSouthwest
Deal found 1/4$253
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:39 pmBUF - PHX
1 stop27h 48mFrontier
Fri 2/275:34 pmPHX - BUF
2 stops38h 18mFrontier
Deal found 1/5$257
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:31 pmBUF - PHX
2 stops23h 25mFrontier
Thu 1/296:00 amPHX - BUF
1 stop28h 44mFrontier
Deal found 1/4$258
This Southwest deal was found by Cheapflights users on 1/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/75:50 amBUF - PHX
2 stops9h 20mSouthwest
Tue 2/175:30 amPHX - BUF
1 stop6h 25mSouthwest
Deal found 1/5$259
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:42 amBUF - PHX
2 stops39h 02mMultiple Airlines
Fri 2/276:00 amPHX - BUF
1 stop27h 05mMultiple Airlines
Deal found 1/5$260
This Southwest deal was found by Cheapflights users on 1/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/276:20 amBUF - PHX
2 stops9h 15mSouthwest
Wed 2/186:00 amPHX - BUF
2 stops8h 15mSouthwest
Deal found 1/5$264
This Southwest deal was found by Cheapflights users on 1/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/266:20 amBUF - PHX
2 stops9h 15mSouthwest
Thu 1/298:50 amPHX - BUF
1 stop5h 30mSouthwest
Deal found 1/5$265

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 January 6, 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

Buffalo

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Mon 3/30

4:47 pm-10:49 pm

1 stop9h 02m

Phoenix Sky Harbor Intl

Mon 4/6

10:29 pm-11:01 am

1 stop9h 32m

$247

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Fri 2/20

2:54 pm-8:51 pm

1 stop7h 57m

Phoenix Sky Harbor Intl

Fri 2/27

12:58 pm-10:59 pm

1 stop8h 01m

$247

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Thu 3/26

4:47 pm-10:49 pm

1 stop9h 02m

Phoenix Sky Harbor Intl

Wed 4/1

6:00 am-5:37 pm

1 stop8h 37m

$247

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Sat 2/21

8:25 am-3:29 pm

1 stop9h 04m

Phoenix Sky Harbor Intl

Tue 2/24

12:58 pm-11:44 pm

2 stops8h 46m

$252

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Mon 2/2

6:20 am-1:35 pm

2 stops9h 15m

Phoenix Sky Harbor Intl

Mon 2/9

9:05 pm-8:05 am

2 stops9h 00m

$270

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Wed 2/25

1:20 pm-8:15 pm

2 stops8h 55m

Phoenix Sky Harbor Intl

Mon 3/2

9:05 pm-8:05 am

2 stops9h 00m

$276

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Tue 1/20

12:20 pm-7:40 pm

1 stop9h 20m

Phoenix Sky Harbor Intl

Tue 1/27

7:30 am-3:10 pm

1 stop5h 40m

$286

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Mon 1/26

2:49 pm-8:37 pm

1 stop7h 48m

Phoenix Sky Harbor Intl

Thu 1/29

12:28 pm-8:29 pm

1 stop6h 01m

$288

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Fri 1/30

6:20 am-1:35 pm

2 stops9h 15m

Phoenix Sky Harbor Intl

Sun 2/1

11:40 pm-8:05 am

1 stop6h 25m

$288

BuffaloPhoenix

BUF - PHX

BUFPHX

Buffalo

Mon 1/26

6:20 am-1:35 pm

2 stops9h 15m

Phoenix Sky Harbor Intl

Thu 1/29

6:00 am-4:20 pm

2 stops8h 20m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 23 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Sky Harbor Intl. Price data was last updated on January 2, 2026.

Booking 22 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 $158). Flying from Buffalo to Phoenix Sky Harbor Intl Airport in October is currently the most expensive (average of $254). 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 January 6, 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 evening. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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 January 6, 2026.
See what other customers who have flown with Southwest, Delta, and United 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
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,022 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,138 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,088 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,063 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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, United Airlines, and Southwest fly from Buffalo to Phoenix Sky Harbor Intl Airport in about 7h 57m. The time it takes to get you to your destination can typically vary by up to 1h 18m. 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 American Airlines, starting at $130 and $248 round-trip. Frontier is currently priced 75% 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 $91. However, be on the lookout for offers from American Airlines and United Airlines, 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 $192. While the most popular route (Buffalo - Phoenix Sky Harbor Intl) can be booked for $188 on average, our data indicates $501 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 $158). Flying from Buffalo to Phoenix Sky Harbor Intl Airport in October is currently the most expensive (average of $254). 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
Goodyear
Paradise Valley
Glendale
Casa Grande
Globe
Peoria
Chandler
Payson
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$233FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$144Average$332FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$248Average$390FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$318Average$494FlexibilityNo cancel feeOn-time63%

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