$90+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BUF
Feb 19 — Feb 261
1 adult, Economy
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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 April, booked 25 days in advance, depart on a Friday or Tuesday and return on a Thursday
Cheap flight deals from Sky Harbor Intl to Buffalo
Cheapest flights from Sky Harbor Intl to BuffaloExplore 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 January 20, 2026.
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 January 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Sun 2/156:00 am
PHX
- BUF
1 stop29h 06m
Multiple Airlines
Sat 2/2112:20 pm
BUF
- PHX
2 stops13h 24m
Multiple Airlines
Deal found 1/19![Multiple Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 2/1411:24 am
PHX
- BUF
1 stop9h 25m
American Airlines
Thu 2/197:41 pm
BUF
- PHX
1 stop7h 26m
American Airlines
Deal found 1/18![American Airlines logo]()
$225
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 3/31:01 am
PHX
- BUF
1 stop9h 13m
American Airlines
Wed 3/118:00 am
BUF
- PHX
1 stop10h 32m
American Airlines
Deal found 1/18![American Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 3/1711:55 pm
PHX
- BUF
1 stop8h 06m
Delta
Tue 4/74:53 pm
BUF
- PHX
1 stop7h 21m
Delta
Deal found 1/19![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 1/18. 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 3/711:40 pm
PHX
- BUF
1 stop7h 10m
United Airlines
Tue 3/107:00 am
BUF
- PHX
2 stops8h 40m
United Airlines
Deal found 1/18![United Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 1/18. 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.
Fri 3/136:55 pm
PHX
- BUF
1 stop12h 20m
Southwest
Mon 3/165:55 pm
BUF
- PHX
1 stop9h 10m
Southwest
Deal found 1/18![Southwest logo]()
$253
This JetBlue deal was found by Cheapflights users on 1/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:59 pm
PHX
- BUF
1 stop7h 36m
JetBlue
Mon 3/21:51 pm
BUF
- PHX
1 stop9h 19m
JetBlue
Deal found 1/19![JetBlue logo]()
$277
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Fri 8/2111:27 am
PHX
- BUF
1 stop6h 04m
United Airlines
Mon 8/247:00 am
BUF
- PHX
2 stops10h 54m
United Airlines
Deal found 1/18![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 1/19. 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 6/210:30 am
PHX
- BUF
2 stops9h 15m
United Airlines
Fri 6/195:50 pm
BUF
- PHX
1 stop6h 54m
United Airlines
Deal found 1/19![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Thu 7/211:59 pm
PHX
- BUF
1 stop6h 50m
United Airlines
Sun 7/57:00 am
BUF
- PHX
1 stop7h 31m
United Airlines
Deal found 1/17![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 1/18. 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 3/2310:29 pm
PHX
- BUF
1 stop9h 32m
Delta
Mon 3/307:00 am
BUF
- PHX
1 stop19h 58m
Delta
Deal found 1/18![Delta logo]()
$300
Find 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 January 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $90 (Flightnetwork) |
Popular in | January |
Cheapest in | June |
Average price | $522 |
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 January 20, 2026.
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
Sun 2/15
6:00 am-1:06 pm
1 stop29h 06m
Buffalo
Sat 2/21
12:20 pm-11:44 pm
2 stops13h 24m
$223
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Sat 2/14
12:17 am-10:58 am
1 stop8h 41m
Buffalo
Sat 2/21
11:23 am-7:20 pm
1 stop9h 57m
$245
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Sat 2/14
12:25 am-10:18 am
1 stop7h 53m
Buffalo
Sat 2/21
8:25 am-3:29 pm
1 stop9h 04m
$245
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Sat 2/14
7:30 am-7:11 pm
1 stop9h 41m
Buffalo
Thu 2/19
7:41 pm-1:07 am
1 stop7h 26m
$245
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Wed 3/4
6:00 am-5:54 pm
1 stop9h 54m
Buffalo
Wed 3/11
8:00 am-3:32 pm
1 stop10h 32m
$245
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Wed 3/18
10:29 pm-11:01 am
1 stop9h 32m
Buffalo
Mon 3/23
5:50 pm-9:54 pm
1 stop7h 04m
$247
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Tue 3/17
10:29 pm-11:01 am
1 stop9h 32m
Buffalo
Tue 4/7
4:53 pm-9:14 pm
1 stop7h 21m
$247
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Thu 3/12
11:05 pm-9:50 am
1 stop7h 45m
Buffalo
Tue 4/7
4:53 pm-9:14 pm
1 stop7h 21m
$247
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Thu 3/19
10:29 pm-11:01 am
1 stop9h 32m
Buffalo
Thu 4/9
4:47 pm-10:49 pm
1 stop9h 02m
$247
PhoenixBuffalo
PHX - BUF
PHXBUF
Phoenix Sky Harbor Intl
Tue 3/17
11:05 pm-9:50 am
1 stop7h 45m
Buffalo
Thu 4/9
4:47 pm-10:49 pm
1 stop9h 02m
$247
Showing 1-10 of 20 results
Compare providers for flights from Sky Harbor Intl to Buffalo
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 Sky Harbor Intl to Buffalo in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Buffalo flights, Cheapflights users trust Expedia the most. Expedia 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 Phoenix Sky Harbor Intl Airport-Buffalo 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 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 January 16, 2026.
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, July is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Buffalo (average of $138). Flying from Phoenix Sky Harbor Intl Airport to Buffalo in December is currently the most expensive (average of $297). 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 January 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix Sky Harbor Intl Airport to Buffalo as you normally would.
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 January 20, 2026.
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.
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Sky Harbor Intl to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
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 January 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$246 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$338 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$338 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$273 | Average$478 | FlexibilityNo cancel fee | On-time63% |