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$141 Cheap Flights from Phoenix (PHX) to Buffalo (BUF)

View $141 flight on Fri, Aug 14, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Phoenix to Buffalo (PHX-BUF)

Prices were available within the past 7 days and start at $141 for one-way flights and $245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 12 - Sat, Aug 22
PHX
Phoenix
BUF
Buffalo
$245 Roundtrip, found 4 hours ago
$245
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Phoenix to Buffalo, returning Sat, Aug 22, priced at $245 found 4 hours ago
Frontier Airlines
Mon, Aug 17 - Sat, Aug 22
PHX
Phoenix
BUF
Buffalo
$255 Roundtrip, found 8 hours ago
$255
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, Aug 17 from Phoenix to Buffalo, returning Sat, Aug 22, priced at $255 found 8 hours ago
American Airlines
Tue, Sep 1 - Sat, Sep 5
PHX
Phoenix
BUF
Buffalo
$258 Roundtrip, found 4 hours ago
$258
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Sep 1 from Phoenix to Buffalo, returning Sat, Sep 5, priced at $258 found 4 hours ago
Southwest Airlines
Wed, Sep 2 - Sat, Sep 5
PHX
Phoenix
BUF
Buffalo
$263 Roundtrip, found 8 hours ago
$263
Roundtrip
found 8 hours ago
Select Southwest Airlines flight, departing Wed, Sep 2 from Phoenix to Buffalo, returning Sat, Sep 5, priced at $263 found 8 hours ago
Southwest Airlines
Tue, Sep 1 - Sat, Sep 5
PHX
Phoenix
BUF
Buffalo
$263 Roundtrip, found 4 hours ago
$263
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Tue, Sep 1 from Phoenix to Buffalo, returning Sat, Sep 5, priced at $263 found 4 hours ago
Frontier Airlines
Sat, Aug 8 - Sat, Aug 15
PHX
Phoenix
BUF
Buffalo
$282 Roundtrip, found 2 hours ago
$282
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Aug 8 from Phoenix to Buffalo, returning Sat, Aug 15, priced at $282 found 2 hours ago
Frontier Airlines
Fri, Aug 14 - Fri, Aug 21
PHX
Phoenix
BUF
Buffalo
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Aug 14 from Phoenix to Buffalo, returning Fri, Aug 21, priced at $295 found 1 day ago
Frontier Airlines
Sat, Aug 15 - Sat, Aug 22
PHX
Phoenix
BUF
Buffalo
$295 Roundtrip, found 5 hours ago
$295
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Aug 15 from Phoenix to Buffalo, returning Sat, Aug 22, priced at $295 found 5 hours ago
United
Fri, Aug 28 - Sat, Aug 29
PHX
Phoenix
BUF
Buffalo
$302 Roundtrip, found 12 hours ago
$302
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Aug 28 from Phoenix to Buffalo, returning Sat, Aug 29, priced at $302 found 12 hours ago
Delta
Thu, Mar 18 - Mon, Mar 22
PHX
Phoenix
BUF
Buffalo
$307 Roundtrip, just found
$307
Roundtrip
just found
Select Delta flight, departing Thu, Mar 18 from Phoenix to Buffalo, returning Mon, Mar 22, priced at $307 just found

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $307
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $307

What you need to know for your flight from Sky Harbor Intl. to Buffalo Niagara Intl.

Phoenix (PHX) to Buffalo (BUF) at a glance

Travel from Phoenix (PHX) to Buffalo (BUF) with a selection of airlines on this domestic short-haul route. Compare options from full-service and low-cost carriers to discover the best flights that align with your budget, schedule, and travel preferences while you explore Buffalo’s renowned attractions and neighborhoods. Check out essential details for your journey from Sky Harbor International Airport (PHX) to Buffalo Niagara International Airport (BUF) to plan your next flight seamlessly.

  • Fastest flight duration: around 4 hours non-stop
  • Route distance: roughly 1,900 miles (3,060 km)
  • Flights per week: around 20+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $115–$420, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Buffalo Niagara International Airport (BUF)

According to recent traveler bookings, here are the top airlines favored for flights from Phoenix to Buffalo, featuring both non-stop and one-stop options. Many passengers choose layovers at O'Hare International Airport (ORD) with an average connection time of about 1 hour and 30 minutes, Denver International Airport (DEN) with approximately 1 hour and 15 minutes, and Baltimore Washington International Thurgood Marshall Airport (BWI) also around 1 hour and 30 minutes. This allows you to explore various combinations of price, travel duration, and cabin class for the ideal itinerary.

  • Southwest Airlines: Known for its budget-friendly options, this low-cost carrier provides both non-stop and one-stop flights, with one-way fares generally ranging from $120 to $460. Southwest makes up about 33% of departures on this route, featuring a typical in-flight duration of 5 hours and 15 minutes, leading to an overall travel time of around 7 hours.
  • American Airlines: As a full-service airline, American offers one-stop service with one-way ticket prices typically between $115 and $410. It also represents roughly 33% of departures on this route, boasting an in-flight time of 5 hours and 15 minutes, resulting in a total journey time of about 7 hours, including the layover.
  • United: This full-service airline provides one-stop flights with one-way fares generally ranging from $125 to $465. United accounts for approximately 13% of departures on this route, featuring an in-flight duration of 5 hours and 15 minutes, culminating in a total travel time of about 7 hours, factoring in layover time.
  • Delta: Another full-service option, Delta offers one-stop service with one-way fares typically ranging from $120 to $445. Delta represents around 12% of departures on this route, providing a flight time of 5 hours and 15 minutes, leading to a total journey duration of roughly 7 hours, including any layovers.
  • Frontier Airlines: This low-cost carrier specializes in one-stop service, with one-way fares typically falling between $115 and $235. Frontier accounts for about 4% of departures on this route, with an in-flight time of 5 hours and 15 minutes, resulting in a total journey time of around 7 hours, including layover considerations.

Travelers flying from Phoenix to Buffalo can opt for an upgraded experience, with American Airlines and Delta both offering first-class cabins for this route.

Best time to fly from Phoenix (PHX) to Buffalo (BUF)

The most popular months for travelers flying from Phoenix to Buffalo are March, April, and June, when peak temperatures in Buffalo reach up to 66°F in June. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 25.5°F. For better deals, July usually offers the lowest average one-way fare around $219. Flight availability peaks in July, with approximately 27 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: July usually offers good deals with average one-way fare around $219, roughly 6% cheaper than the yearly average.
  • More budget-friendly months to fly: February, January, and April typically offer average one-way fares of around $222.
  • Most flight options: July has the highest number of flights from Phoenix to Buffalo, with approximately 27 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.5°F (-3.6°C)Low15$221
February26.1°F (-3.3°C)Average16$221
March34.3°F (1.3°C)High25$235
April45.0°F (7.2°C)High22$224
May57.7°F (14.3°C)Average26$227
June66.0°F (18.9°C)High26$227
July72.0°F (22.2°C)Average27$219
August70.7°F (21.5°C)Average20$252
September64.6°F (18.1°C)Average23$241
October53.2°F (11.8°C)Average21$242
November41.4°F (5.2°C)Low21$254
December33.1°F (0.6°C)Low16$234

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Phoenix (PHX) to Buffalo (BUF)

  • Phoenix to Rochester (PHX-ROC): Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy fares on this journey generally range from $115 to $415, influenced by the time of year and how far in advance you book. This route features both non-stop and one-stop flight options, with common layover points at O'Hare International Airport (ORD) and Charlotte-Douglas International Airport (CLT). Major airlines servicing this route include American Airlines and the budget-friendly Southwest Airlines. Additionally, business and first-class service is offered on this route.

How to find the best prices for flights from Phoenix (PHX) to Buffalo (BUF)

Getting some of the best deals on flights from Phoenix to Buffalo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Early morning departures (12am-5am) often offer lower prices, while morning flights (5am-12pm) are the most popular. Additionally, flying on Saturday usually provides cheaper options, although Thursday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Buffalo Niagara International Airport from Sky Harbor International Airport

Buffalo welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Here's how to reach Buffalo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated around 6.5 miles from the airport, also most conveniently accessed by car.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $141 and cheap return flights from $245 Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $201 and $1576, and roundtrip flights usually range from $368 to $1400. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
May is the cheapest month to fly from Phoenix to Buffalo, with average return fares around $383. This price is about 9% lower than the average throughout the year, as May typically sees a decrease in travel demand. Other cheap months to fly from Phoenix to Buffalo include February and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter PHX to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Buffalo Niagara Intl. (BUF), with round-trip tickets starting from around $299. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from Phoenix, AZ (PHX) to Buffalo, NY (BUF) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN also offers the most daily flights from PHX to BUF, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
When flying from Phoenix, AZ (PHX) to Buffalo, NY (BUF), the ideal months are May and February. May is not only one of the cheapest months, with return flights averaging around $383, but it also enjoys a high volume of travelers, ensuring good flight schedules. February is also affordable, making it a great option for budget-conscious travelers.*Prices based on flights available on Expedia in the last year.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 1 nonstop flights per day from Sky Harbor Intl. (PHX) to Buffalo Niagara Intl. (BUF). For more options, look at flights that include layovers.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PHX to BUF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Phoenix (PHX) to Buffalo (BUF) are in the morning, from 6am to 9am. About 28% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines, and United Airlines, offer flights during this window. This timing is favored as it allows you to arrive in Buffalo with a full day ahead of you.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Direct flights from PHX to BUF usually take about 4 hours, traveling roughly 1,908 miles. If you opt for a connecting flight, expect to add around 3 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class seats are offered on the PHX to BUF route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Sky Harbor Intl. (PHX)?
From Sky Harbor Intl. (PHX), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Denver Intl. (DEN), Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$245
Distance
1907 mi

Book with confidence

Phoenix to Buffalo Flights

The cheapest times to fly from Phoenix to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Buffalo are during the month of August. You can find some of the cheapest flights from Phoenix to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Buffalo

Sunday is one of the best days to book for cheap flights from Phoenix to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $141 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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