$65+ Cheap flights from Florida Keys 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — BUF
Mar 11 — Mar 181
1 adult, Economy
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Find cheap flights from Florida Keys 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Florida Keys to Buffalo
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Cheapest flights from Florida Keys to BuffaloExplore the most affordable flight options available from Florida Keys to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.
Explore the most affordable flight options available from Florida Keys to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 3/21:48 pm
BUF
- MIA
1 stop10h 54m
Frontier
Deal found 2/5![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:05 am
MIA
- BUF
1 stop5h 39m
Multiple Airlines
Sun 3/12:19 pm
BUF
- MIA
1 stop10h 23m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 3/912:50 pm
BUF
- MIA
1 stop24h 16m
Frontier
Deal found 2/9![Frontier logo]()
$168
This Southwest deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:45 pm
MIA
- BUF
1 stop5h 30m
Southwest
Sun 4/265:30 pm
BUF
- MIA
1 stop4h 30m
Southwest
Deal found 2/6![Southwest logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/117:04 pm
MIA
- BUF
1 stop17h 01m
Multiple Airlines
Sun 3/1512:45 pm
BUF
- MIA
1 stop7h 22m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Sun 3/81:00 pm
BUF
- MIA
1 stop11h 47m
Frontier
Deal found 2/7![Frontier logo]()
$188
This WAYA deal was found by Cheapflights users on 2/9. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:05 am
MIA
- BUF
1 stop7h 00m
Multiple Airlines
Sun 3/1512:45 pm
BUF
- MIA
1 stop7h 22m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:05 am
MIA
- BUF
1 stop5h 39m
Multiple Airlines
Sat 2/2812:00 pm
BUF
- MIA
1 stop12h 42m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$194
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/1912:02 pm
EYW
- BUF
1 stop4h 50m
American Airlines
Tue 3/315:24 am
BUF
- EYW
1 stop6h 02m
American Airlines
Deal found 2/7![American Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/184:40 pm
EYW
- BUF
1 stop7h 10m
American Airlines
Mon 3/308:00 am
BUF
- EYW
2 stops8h 49m
American Airlines
Deal found 2/8![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 2/8. 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 2/271:55 pm
EYW
- BUF
2 stops8h 54m
American Airlines
Sun 3/15:33 am
BUF
- EYW
1 stop6h 08m
American Airlines
Deal found 2/8![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 3/184:40 pm
EYW
- BUF
1 stop7h 10m
American Airlines
Wed 3/255:29 am
BUF
- EYW
1 stop6h 31m
American Airlines
Deal found 2/7![American Airlines logo]()
$336
Best flights from Florida Keys to BuffaloDiscover carefully curated flight deals from Florida Keys to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 9, 2026.
Discover carefully curated flight deals from Florida Keys to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 9, 2026.
This Frontier deal was found by Cheapflights users on 2/8. 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 2/265:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 3/21:48 pm
BUF
- MIA
1 stop10h 54m
Frontier
Deal found 2/8![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/117:04 pm
MIA
- BUF
1 stop17h 01m
Multiple Airlines
Sun 3/1512:45 pm
BUF
- MIA
1 stop7h 22m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:10 pm
MIA
- BUF
1 stop7h 49m
United Airlines
Wed 3/47:00 am
BUF
- MIA
1 stop7h 58m
United Airlines
Deal found 2/6![United Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/1912:02 pm
EYW
- BUF
1 stop4h 50m
American Airlines
Tue 3/315:24 am
BUF
- EYW
1 stop6h 02m
American Airlines
Deal found 2/7![American Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 3/912:50 pm
BUF
- MIA
1 stop24h 16m
Frontier
Deal found 2/8![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/113:16 pm
MIA
- BUF
2 stops19h 33m
Frontier
Sun 3/1512:45 pm
BUF
- MIA
1 stop12h 02m
Frontier
Deal found 2/9![Frontier logo]()
$195
This Justfly.com deal was found by Cheapflights users on 2/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:05 am
MIA
- BUF
1 stop7h 39m
Frontier
Sun 2/222:19 pm
BUF
- MIA
1 stop10h 23m
Frontier
Deal found 2/7![Frontier logo]()
$212
This Justfly.com deal was found by Cheapflights users on 2/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Sun 2/222:19 pm
BUF
- MIA
1 stop10h 23m
Frontier
Deal found 2/7![Frontier logo]()
$212
This Justfly.com deal was found by Cheapflights users on 2/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 2/231:48 pm
BUF
- MIA
1 stop10h 54m
Frontier
Deal found 2/8![Frontier logo]()
$212
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/184:40 pm
EYW
- BUF
1 stop7h 10m
American Airlines
Mon 3/308:00 am
BUF
- EYW
2 stops8h 49m
American Airlines
Deal found 2/8![American Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/276:40 pm
EYW
- BUF
1 stop5h 04m
United Airlines
Sun 3/16:00 am
BUF
- EYW
1 stop7h 18m
United Airlines
Deal found 2/8![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:04 pm
MIA
- BUF
2 stops13h 43m
Frontier
Sat 4/251:08 pm
BUF
- MIA
1 stop11h 41m
Frontier
Deal found 2/6![Frontier logo]()
$216
This American Airlines deal was found by Cheapflights users on 2/8. 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 2/271:55 pm
EYW
- BUF
2 stops8h 54m
American Airlines
Sun 3/15:33 am
BUF
- EYW
1 stop6h 08m
American Airlines
Deal found 2/8![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/1912:02 pm
EYW
- BUF
1 stop4h 50m
American Airlines
Mon 3/308:00 am
BUF
- EYW
2 stops8h 49m
American Airlines
Deal found 2/7![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 3/183:56 pm
EYW
- BUF
2 stops7h 54m
American Airlines
Wed 3/255:29 am
BUF
- EYW
2 stops10h 28m
American Airlines
Deal found 2/7![American Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 2/7. 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 2/266:35 pm
EYW
- BUF
1 stop5h 09m
United Airlines
Sun 3/16:00 am
BUF
- EYW
1 stop7h 18m
United Airlines
Deal found 2/7![United Airlines logo]()
$419
Last-minute flights from Florida Keys to BuffaloDiscover last-minute flight deals from Florida Keys to Buffalo. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from Florida Keys to Buffalo. Data last updated February 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:05 am
MIA
- BUF
1 stop5h 39m
Multiple Airlines
Sat 2/2812:00 pm
BUF
- MIA
1 stop12h 42m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$194
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 3/21:48 pm
BUF
- MIA
1 stop10h 54m
Frontier
Deal found 2/5![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:05 am
MIA
- BUF
1 stop5h 39m
Multiple Airlines
Sun 3/12:19 pm
BUF
- MIA
1 stop10h 23m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 2/8. 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 2/271:55 pm
EYW
- BUF
2 stops8h 54m
American Airlines
Sun 3/15:33 am
BUF
- EYW
1 stop6h 08m
American Airlines
Deal found 2/8![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/276:40 pm
EYW
- BUF
1 stop5h 04m
United Airlines
Sun 3/16:00 am
BUF
- EYW
1 stop7h 18m
United Airlines
Deal found 2/8![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Mon 3/912:50 pm
BUF
- MIA
1 stop24h 16m
Frontier
Deal found 2/9![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Sun 3/81:00 pm
BUF
- MIA
1 stop11h 47m
Frontier
Deal found 2/7![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/117:04 pm
MIA
- BUF
1 stop17h 01m
Multiple Airlines
Sun 3/1512:45 pm
BUF
- MIA
1 stop7h 22m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$179
This WAYA deal was found by Cheapflights users on 2/9. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:05 am
MIA
- BUF
1 stop7h 00m
Multiple Airlines
Sun 3/1512:45 pm
BUF
- MIA
1 stop7h 22m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/184:40 pm
EYW
- BUF
1 stop7h 10m
American Airlines
Mon 3/308:00 am
BUF
- EYW
2 stops8h 49m
American Airlines
Deal found 2/8![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 3/184:40 pm
EYW
- BUF
1 stop7h 10m
American Airlines
Wed 3/255:29 am
BUF
- EYW
1 stop6h 31m
American Airlines
Deal found 2/7![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/1912:02 pm
EYW
- BUF
1 stop4h 50m
American Airlines
Tue 3/315:24 am
BUF
- EYW
1 stop6h 02m
American Airlines
Deal found 2/7![American Airlines logo]()
$311
One-way flights from Florida Keys to BuffaloSearch for one-way flight options from Florida Keys to Buffalo. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
Search for one-way flight options from Florida Keys to Buffalo. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
This Booking.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:05 am
MIA
- BUF
1 stop6h 00m
Frontier
Deal found 2/6![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:05 am
MIA
- BUF
1 stop29h 49m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/47:09 pm
MIA
- BUF
1 stop17h 45m
Frontier
Deal found 2/7![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Deal found 2/6![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:05 am
MIA
- BUF
1 stop5h 48m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$89
This Frontier deal was found by Cheapflights users on 2/7. 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 5/45:05 am
MIA
- BUF
1 stop7h 08m
Frontier
Deal found 2/7![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/77:05 am
MIA
- BUF
1 stop28h 00m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$92
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 am
MIA
- BUF
1 stop7h 15m
Southwest
Deal found 2/8![Southwest logo]()
$94
This Justfly.com deal was found by Cheapflights users on 2/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:05 am
MIA
- BUF
1 stop7h 49m
Frontier
Deal found 2/7![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:46 am
EYW
- BUF
1 stop25h 03m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/271:06 pm
EYW
- BUF
1 stop21h 43m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/111:51 am
EYW
- BUF
1 stop23h 08m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$133
Find flight deals from Florida Keys to Buffalo
Keep the following information in mind while searching for Florida Keys to Buffalo flight deals. Data was last updated February 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $148 (Frontier) |
One-way from | $65 (Booking.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Florida Keys 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 February 9, 2026.
Use the filters below to find and compare flights from Florida Keys to Buffalo that are best for you.
Fly from
Florida Keys
Fly to
Buffalo
Route
Depart
Return
Price
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Thu 2/26
5:05 am-12:54 pm
1 stop7h 49m
Buffalo
Mon 3/2
1:48 pm-12:42 am
1 stop10h 54m
$164
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Thu 3/5
5:05 am-12:54 pm
1 stop7h 49m
Buffalo
Mon 3/9
12:50 pm-1:06 pm
1 stop24h 16m
$168
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Wed 3/11
7:04 pm-12:05 pm
1 stop17h 01m
Buffalo
Sun 3/15
12:45 pm-8:07 pm
1 stop7h 22m
$179
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Wed 3/11
3:16 pm-10:49 am
2 stops19h 33m
Buffalo
Sun 3/15
12:45 pm-12:47 am
1 stop12h 02m
$195
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Fri 2/20
5:05 am-12:44 pm
1 stop7h 39m
Buffalo
Sun 2/22
2:19 pm-12:42 am
1 stop10h 23m
$212
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Thu 2/19
5:05 am-12:54 pm
1 stop7h 49m
Buffalo
Sun 2/22
2:19 pm-12:42 am
1 stop10h 23m
$212
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Thu 2/19
5:05 am-12:54 pm
1 stop7h 49m
Buffalo
Mon 2/23
1:48 pm-12:42 am
1 stop10h 54m
$212
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Thu 4/23
7:04 pm-8:47 am
2 stops13h 43m
Buffalo
Sat 4/25
1:08 pm-12:49 am
1 stop11h 41m
$216
MiamiBuffalo
MIA - BUF
MIABUF
Miami
Fri 2/27
4:10 pm-11:59 pm
1 stop7h 49m
Buffalo
Wed 3/4
7:00 am-2:58 pm
1 stop7h 58m
$217
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Thu 3/19
12:02 pm-4:52 pm
1 stop4h 50m
Buffalo
Tue 3/31
5:24 am-11:26 am
1 stop6h 02m
$311
Showing 1-10 of 35 results
Best time to book a flight from Florida Keys to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Florida Keys with our price prediction graph.
MIA-BUF
EYW-BUF
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 Florida Keys to Buffalo
zzEOA-BUF
MIA-BUF
EYW-BUF
No data available for this route at this time. Please check back soon.
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 February 9, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from Florida Keys to Buffalo have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Florida Keys 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 Florida Keys to Buffalo
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Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 9, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Florida Keys to Buffalo by cabin class
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Florida Keys and Buffalo flights
Browse other Florida Keys and Buffalo flight options. Last updated on February 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Florida Keys to Buffalo flights
Consider these flights traveling from Florida Keys to Buffalo.
Top 2 airlines flying from Florida Keys to Buffalo
Discover the top 2 airlines that operate flights from Florida Keys 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 February 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$259 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$415 | FlexibilityNo cancel fee | On-time71% |