$80+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — PHX
May 29 — Jun 51
Round-trip
1 adult, Economy
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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 May or September, booked 20 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from Buffalo to Sky Harbor Intl
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Best
Last-minute
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Cheapest flights from Buffalo to Sky Harbor IntlExplore 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 April 29, 2026.
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 April 29, 2026.
This Frontier deal was found by Cheapflights users on 4/29. 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.
Tue 5/2611:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Tue 6/211:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Sun 5/1711:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/25![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:29 pm
BUF
- PHX
1 stop12h 51m
Frontier
Wed 7/811:23 pm
PHX
- BUF
1 stop8h 16m
Frontier
Deal found 4/25![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Sun 5/1011:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/24![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:32 pm
BUF
- PHX
1 stop11h 52m
Frontier
Sun 5/1011:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/24![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Sat 5/306:51 pm
PHX
- BUF
2 stops22h 13m
Frontier
Deal found 4/25![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Tue 5/1211:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/25![Frontier logo]()
$255
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Wed 5/1311:30 pm
PHX
- BUF
1 stop8h 11m
Frontier
Deal found 4/27![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:08 pm
BUF
- PHX
1 stop11h 16m
Frontier
Sun 5/1011:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/24![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:50 pm
BUF
- PHX
1 stop10h 30m
Frontier
Sat 6/2011:40 pm
PHX
- BUF
1 stop8h 00m
Frontier
Deal found 4/28![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:41 pm
BUF
- PHX
1 stop12h 45m
Frontier
Sat 5/306:00 am
PHX
- BUF
2 stops25h 41m
Frontier
Deal found 4/25![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Mon 6/16:51 pm
PHX
- BUF
2 stops40h 03m
Frontier
Deal found 4/27![Frontier logo]()
$273
Best flights from Buffalo to Sky Harbor IntlDiscover carefully curated flight deals from Buffalo to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from Buffalo to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:12 pm
BUF
- PHX
1 stop8h 38m
Delta
Sun 7/126:45 am
PHX
- BUF
1 stop8h 39m
Delta
Deal found 4/26![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am
BUF
- PHX
2 stops9h 45m
Southwest
Mon 9/286:00 am
PHX
- BUF
1 stop6h 15m
Southwest
Deal found 4/28![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:10 am
BUF
- PHX
1 stop8h 00m
United Airlines
Mon 5/116:44 pm
PHX
- BUF
2 stops12h 09m
United Airlines
Deal found 4/25![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:35 am
BUF
- PHX
2 stops8h 15m
Southwest
Mon 7/138:20 pm
PHX
- BUF
2 stops8h 40m
Southwest
Deal found 4/27![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:10 am
BUF
- PHX
2 stops11h 30m
United Airlines
Sat 5/911:47 pm
PHX
- BUF
1 stop7h 06m
United Airlines
Deal found 4/24![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:30 am
BUF
- PHX
2 stops9h 15m
Southwest
Mon 10/1911:25 am
PHX
- BUF
2 stops8h 50m
Southwest
Deal found 4/28![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
BUF
- PHX
1 stop6h 47m
Delta
Thu 6/45:35 pm
PHX
- BUF
2 stops11h 45m
Delta
Deal found 4/26![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 pm
BUF
- PHX
1 stop8h 27m
United Airlines
Sun 9/277:30 am
PHX
- BUF
1 stop6h 17m
United Airlines
Deal found 4/28![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 4/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:25 pm
BUF
- PHX
Nonstop4h 40m
Southwest
Sat 10/312:35 am
PHX
- BUF
1 stop6h 55m
Southwest
Deal found 4/25![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:30 am
BUF
- PHX
2 stops11h 45m
Southwest
Tue 5/268:00 pm
PHX
- BUF
2 stops8h 50m
Southwest
Deal found 4/28![Southwest logo]()
$449
This Southwest deal was found by Cheapflights users on 4/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:45 am
BUF
- PHX
2 stops12h 40m
Southwest
Sun 7/121:35 pm
PHX
- BUF
2 stops7h 35m
Southwest
Deal found 4/24![Southwest logo]()
$450
Last-minute flights from Buffalo to Sky Harbor IntlDiscover last-minute flight deals from Buffalo to Sky Harbor Intl. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Sky Harbor Intl. Data last updated April 29, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:08 pm
BUF
- PHX
1 stop11h 16m
Frontier
Sun 5/1011:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/24![Frontier logo]()
$261
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:08 pm
BUF
- PHX
1 stop11h 16m
Frontier
Mon 5/410:59 pm
PHX
- BUF
1 stop8h 42m
Frontier
Deal found 4/26![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:32 pm
BUF
- PHX
1 stop11h 52m
Frontier
Sun 5/1011:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/24![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Fri 5/1511:30 pm
PHX
- BUF
1 stop9h 03m
Frontier
Deal found 4/24![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Sun 5/1011:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/24![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Tue 5/1211:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/25![Frontier logo]()
$255
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Wed 5/1311:30 pm
PHX
- BUF
1 stop8h 11m
Frontier
Deal found 4/27![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Sun 5/1711:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/25![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:41 pm
BUF
- PHX
1 stop12h 45m
Frontier
Sat 5/306:00 am
PHX
- BUF
2 stops25h 41m
Frontier
Deal found 4/25![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Mon 6/16:51 pm
PHX
- BUF
2 stops40h 03m
Frontier
Deal found 4/27![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 4/29. 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.
Tue 5/2611:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Tue 6/211:30 pm
PHX
- BUF
1 stop11h 24m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Sat 5/306:51 pm
PHX
- BUF
2 stops22h 13m
Frontier
Deal found 4/25![Frontier logo]()
$254
One-way flights from Buffalo to Sky Harbor IntlSearch for one-way flight options from Buffalo to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from Buffalo to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Deal found 4/28![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Deal found 4/25![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 4/26. 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.
Sat 5/2312:41 pm
BUF
- PHX
1 stop12h 45m
Frontier
Deal found 4/26![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:50 pm
BUF
- PHX
1 stop10h 30m
Frontier
Deal found 4/27![Frontier logo]()
$102
This Frontier deal was found by Cheapflights users on 4/27. 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.
Fri 6/52:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Deal found 4/27![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Deal found 4/25![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:36 am
BUF
- PHX
1 stop13h 50m
Frontier
Deal found 4/25![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Deal found 4/25![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Deal found 4/25![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Deal found 4/28![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 4/27. 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.
Wed 5/132:49 pm
BUF
- PHX
1 stop8h 44m
Frontier
Deal found 4/27![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:49 pm
BUF
- PHX
2 stops28h 06m
Frontier
Deal found 4/24![Frontier logo]()
$130
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Frontier) |
One-way from | $80 (Frontier) |
Popular in | November |
Cheapest in | May |
Average price | $379 |
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 April 29, 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
Cheapest round-trip
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Fri 7/3
5:12 pm-10:50 pm
1 stop8h 38m
Phoenix Sky Harbor Intl
Sun 7/12
6:45 am-6:24 pm
1 stop8h 39m
$297
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Fri 9/25
6:30 am-1:15 pm
2 stops9h 45m
Phoenix Sky Harbor Intl
Mon 9/28
6:00 am-3:15 pm
1 stop6h 15m
$343
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Fri 7/3
7:35 am-12:50 pm
2 stops8h 15m
Phoenix Sky Harbor Intl
Mon 7/13
8:20 pm-8:00 am
2 stops8h 40m
$379
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Sun 5/10
6:10 am-11:10 am
1 stop8h 00m
Phoenix Sky Harbor Intl
Mon 5/11
6:44 pm-9:53 am
2 stops12h 09m
$402
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Sat 5/9
6:10 am-2:40 pm
2 stops11h 30m
Phoenix Sky Harbor Intl
Sat 5/9
11:47 pm-9:53 am
1 stop7h 06m
$402
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Wed 10/14
7:30 am-1:45 pm
2 stops9h 15m
Phoenix Sky Harbor Intl
Mon 10/19
11:25 am-11:15 pm
2 stops8h 50m
$420
Quickest round-trip
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Fri 10/2
4:25 pm-6:05 pm
Nonstop4h 40m
Phoenix Sky Harbor Intl
Sat 10/3
12:35 am-10:30 am
1 stop6h 55m
$446
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Thu 9/24
5:50 pm-11:17 pm
1 stop8h 27m
Phoenix Sky Harbor Intl
Sun 9/27
7:30 am-4:47 pm
1 stop6h 17m
$448
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Sat 5/23
9:30 am-6:15 pm
2 stops11h 45m
Phoenix Sky Harbor Intl
Tue 5/26
8:00 pm-7:50 am
2 stops8h 50m
$449
BuffaloPhoenix
BUF - PHX
BUFPHX
Buffalo
Thu 7/9
8:45 am-6:25 pm
2 stops12h 40m
Phoenix Sky Harbor Intl
Sun 7/12
1:35 pm-12:10 am
2 stops7h 35m
$450
Showing 1-10 of 23 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
BUF-PHX
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
Prices
More
How far ahead should I book a flight from Buffalo to Phoenix Sky Harbor Intl Airport?
Booking 19 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, May is the cheapest month in which you can book a flight from Buffalo to Phoenix Sky Harbor Intl Airport (average of $344). Flying from Buffalo to Phoenix Sky Harbor Intl Airport in November is currently the most expensive (average of $482). 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 April 29, 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 27% on your trip compared to booking a flight in the morning.
What’s the top layover airport for flights from Buffalo to Phoenix Sky Harbor Intl Airport?
Share of 1-stop round-trip flights from Buffalo to Phoenix Sky Harbor Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 25% of 1-stop itineraries from Buffalo to Phoenix Sky Harbor Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Buffalo to Phoenix Sky Harbor Intl Airport?
Average round-trip fare for 1-stop flights from Buffalo to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Minneapolis (MSP) is the most affordable 1-stop option, with an average round-trip price of $187.
What’s the fastest layover option from Buffalo to Phoenix Sky Harbor Intl Airport?
Shortest average travel time for 1-stop one-way flights from Buffalo to Phoenix Sky Harbor Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 10m.
Which airport typically offers the quickest layover for flights from Buffalo to Phoenix Sky Harbor Intl Airport?
Average layover duration for 1-stop one-way flights from Buffalo to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 43m.
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 April 29, 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.
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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 locationsGoodyear
Glendale
Paradise Valley
Casa Grande
Buckeye
Peoria
Chandler
Payson
Camp Verde
Globe
Surprise
Guadalupe
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Buffalo and Sky Harbor Intl flights
Browse other Buffalo and Sky Harbor Intl flight options. Last updated on April 29, 2026.
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Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on April 29, 2026.
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Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 29, 2026.
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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$144 | Average$326 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$247 | Average$465 | FlexibilityNo cancel fee | On-time63% |