HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$91+ Cheap flights from Sky Harbor Intl (PHX) to Buffalo (BUF)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BUF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Buffalo 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 Phoenix Sky Harbor Intl to Buffalo are usually found in June or August, booked 25 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap flight deals from Sky Harbor Intl to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Buffalo (BUF). 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 September 17, 2025.

Round-trip from

$151
(Priceline)

One-way from

$91
(American Airlines)

Popular in

February

Cheapest in

June

Average price

$348

Good round-trip deal

$367 or less
From Phoenix Sky Harbor Intl to Buffalo
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Buffalo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Buffalo.
Search Deals

Find flight deals from Sky Harbor Intl to Buffalo

Cheapest flights from Sky Harbor Intl to Buffalo
Explore the most affordable flight options available from Sky Harbor Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:00 amPHX - BUF
1 stop6h 03mFrontier
Fri 10/34:57 pmBUF - PHX
1 stop8h 57mFrontier
Deal found 9/15$151
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:21 amPHX - BUF
1 stop6h 08mFrontier
Mon 10/205:24 pmBUF - PHX
1 stop7h 52mFrontier
Deal found 9/16$182
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:46 pmPHX - BUF
1 stop8h 24mAmerican Airlines
Tue 10/211:14 pmBUF - PHX
1 stop9h 00mAmerican Airlines
Deal found 9/15$183
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/187:00 amPHX - BUF
1 stop6h 53mUnited Airlines
Sat 10/251:14 pmBUF - PHX
2 stops9h 59mUnited Airlines
Deal found 9/14$188
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:00 amPHX - BUF
1 stop6h 03mFrontier
Fri 10/175:24 pmBUF - PHX
1 stop7h 52mFrontier
Deal found 9/15$206
This Booking.com deal was found by Cheapflights users on 9/16. 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 10/169:59 pmPHX - BUF
1 stop15h 30mFrontier
Thu 10/2312:15 pmBUF - PHX
1 stop29h 50mFrontier
Deal found 9/16$207
This Frontier deal was found by Cheapflights users on 9/14. 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.
Mon 10/207:21 amPHX - BUF
1 stop6h 08mFrontier
Mon 10/275:24 pmBUF - PHX
1 stop7h 52mFrontier
Deal found 9/14$208
This Frontier deal was found by Cheapflights users on 9/14. 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 10/177:21 amPHX - BUF
1 stop6h 08mFrontier
Mon 10/275:24 pmBUF - PHX
1 stop7h 52mFrontier
Deal found 9/14$227
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/710:50 amPHX - BUF
1 stop7h 23mUnited Airlines
Sat 10/188:25 amBUF - PHX
1 stop9h 27mUnited Airlines
Deal found 9/15$242

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Buffalo 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 September 17, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Buffalo that are best for you.

Fly from

Sky Harbor Intl

Fly to

Buffalo

Route

Depart

Return

Price

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Sat 10/18

7:00 am-4:53 pm

1 stop6h 53m

Buffalo

Sat 10/25

1:14 pm-8:13 pm

2 stops9h 59m

$188

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Mon 10/20

10:40 pm-8:23 am

1 stop6h 43m

Buffalo

Tue 10/28

6:00 am-10:55 am

1 stop7h 55m

$257

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Wed 11/5

11:40 pm-8:23 am

1 stop6h 43m

Buffalo

Sun 11/9

6:25 pm-12:08 am

1 stop7h 43m

$257

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Wed 10/15

10:40 pm-8:23 am

1 stop6h 43m

Buffalo

Tue 10/28

6:00 am-10:55 am

1 stop7h 55m

$257

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Tue 10/21

7:00 am-4:53 pm

1 stop6h 53m

Buffalo

Sat 10/25

1:14 pm-8:13 pm

2 stops9h 59m

$278

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Fri 10/17

6:45 pm-9:43 am

2 stops11h 58m

Buffalo

Sat 10/25

1:14 pm-8:13 pm

2 stops9h 59m

$283

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Mon 10/20

6:45 pm-9:43 am

2 stops11h 58m

Buffalo

Sat 10/25

1:14 pm-8:13 pm

2 stops9h 59m

$283

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Thu 11/13

11:07 pm-10:27 pm

1 stop21h 20m

Buffalo

Mon 11/17

6:40 am-11:35 am

1 stop30h 55m

$305

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Sat 11/1

11:55 am-10:52 pm

1 stop7h 57m

Buffalo

Sat 11/15

7:00 am-1:36 pm

2 stops8h 36m

$306

PhoenixBuffalo

PHX - BUF

PHXBUF

Phoenix Sky Harbor Intl

Wed 10/15

10:40 pm-8:23 am

1 stop6h 43m

Buffalo

Mon 10/27

7:50 pm-10:32 am

1 stop17h 42m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 23 results
1
2
3

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

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Buffalo

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Buffalo. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Buffalo, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Buffalo (average of $256). Flying from Phoenix Sky Harbor Intl Airport to Buffalo in December is currently the most expensive (average of $337). 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 PHX to BUF?

Find hourly flight availability from Sky Harbor Intl to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight at noon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Buffalo. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Buffalo flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Buffalo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Buffalo. 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 into for flights to Buffalo from Phoenix Sky Harbor Intl?

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

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

    For as low as $257, United Airlines can have you in Buffalo from Phoenix Sky Harbor Intl Airport in 6h 43m. There are 1906 mi between Phoenix Sky Harbor Intl Airport and Buffalo. This flight may include one or multiple stops.

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

    Flying on JetBlue is currently your cheapest option to Buffalo, with prices starting at $124. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $151 and $248, respectively. These flights start at 67% lower than the current average price 3 months from now.

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

    Looking for the cheapest flight from Phoenix Sky Harbor Intl Airport to Buffalo? While on average our users pay $399, our data indicates the cheapest price to be $331. The most popular route (Phoenix Sky Harbor Intl - Buffalo), is priced around $242.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Buffalo 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 Phoenix Sky Harbor Intl Airport to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Buffalo (average of $256). Flying from Phoenix Sky Harbor Intl Airport to Buffalo in December is currently the most expensive (average of $337). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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 Sky Harbor Intl to Buffalo

Discover the top 6 airlines that operate flights from Sky Harbor Intl to Buffalo. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$124Average$324FlexibilityNo cancel feeOn-time62%
FrontierCheapest$151Average$296FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$248Average$338FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$373FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$313Average$481FlexibilityNo 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.
Site
©2025 Cheapflights