$78+ Cheap flights from Buffalo (BUF) to Key Largo, FL
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — MIA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Key Largo 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 Key Largo are usually found in October or September, booked 81 days in advance, depart on a Tuesday or Sunday and return on a Monday
Cheap flight deals from Buffalo to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to Key LargoExplore the most affordable flight options available from Buffalo to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Buffalo to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/211:44 pm -
1 stop20h 31m
Sat 10/245:05 am -
1 stop7h 54m
Deal found 9/3![Frontier logo]()
$153
This Priceline deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:44 pm -
1 stop7h 45m
Wed 10/215:05 am -
1 stop7h 54m
Deal found 9/2![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sat 10/101:44 pm -
1 stop7h 45m
Wed 10/145:05 am -
1 stop7h 54m
Deal found 9/6![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:44 pm -
1 stop8h 06m
Sun 11/110:55 pm -
1 stop14h 08m
Deal found 9/5![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/101:44 pm -
1 stop7h 45m
Sat 10/175:05 am -
1 stop7h 54m
Deal found 9/4![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/42:00 pm -
1 stop7h 31m
Thu 11/510:55 pm -
1 stop14h 08m
Deal found 9/4![Frontier logo]()
$164
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:45 pm -
1 stop6h 53m
Sat 10/35:22 am -
1 stop7h 28m
Deal found 9/2![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/42:00 pm -
1 stop7h 31m
Tue 11/1010:36 pm -
1 stop14h 39m
Deal found 9/4![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/131:48 pm -
1 stop20h 41m
Thu 11/195:15 am -
1 stop7h 03m
Deal found 9/4![Frontier logo]()
$170
Best flights from Buffalo to Key LargoDiscover carefully curated flight deals from Buffalo to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Buffalo to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/56:59 pm -
1 stop5h 53m
Mon 2/83:35 pm -
1 stop8h 15m
Deal found 9/5![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 9/6. 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.
Sat 12/1210:10 am -
1 stop6h 00m
Tue 12/226:55 am -
2 stops7h 55m
Deal found 9/6![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/267:00 am -
1 stop7h 59m
Sat 10/38:54 am -
2 stops24h 41m
Deal found 9/3![United Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop8h 30m
Sat 11/216:25 pm -
1 stop5h 34m
Deal found 9/6![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 10/162:50 pm -
2 stops8h 20m
Thu 10/227:10 am -
2 stops7h 00m
Deal found 9/6![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 9/2. 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 2/56:59 pm -
1 stop5h 53m
Mon 2/156:00 am -
1 stop5h 15m
Deal found 9/2![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 9/4. 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 2/2412:45 pm -
2 stops9h 30m
Sat 3/67:05 am -
1 stop4h 50m
Deal found 9/4![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 9/2. 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.
Sun 10/256:00 am -
1 stop8h 09m
Sat 10/316:04 am -
1 stop5h 12m
Deal found 9/2![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 9/3. 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 10/1412:35 pm -
2 stops9h 40m
Mon 10/197:10 am -
2 stops7h 00m
Deal found 9/3![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 9/3. 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.
Sun 1/2412:45 pm -
2 stops9h 30m
Sat 1/306:30 am -
2 stops9h 10m
Deal found 9/3![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 9/2. 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 12/296:55 pm -
1 stop6h 03m
Tue 1/53:35 pm -
1 stop8h 15m
Deal found 9/2![Delta logo]()
$488
Last-minute flights from Buffalo to Key LargoDiscover last-minute flight deals from Buffalo to Key Largo. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Key Largo. Data last updated September 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:45 pm -
1 stop6h 53m
Sat 10/35:22 am -
1 stop7h 28m
Deal found 9/2![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sat 10/101:44 pm -
1 stop7h 45m
Wed 10/145:05 am -
1 stop7h 54m
Deal found 9/6![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/101:44 pm -
1 stop7h 45m
Sat 10/175:05 am -
1 stop7h 54m
Deal found 9/4![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/101:44 pm -
1 stop7h 45m
Tue 10/1310:36 pm -
1 stop14h 23m
Deal found 9/2![Frontier logo]()
$169
This Priceline deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:44 pm -
1 stop8h 06m
Sat 10/175:05 am -
1 stop7h 54m
Deal found 9/2![Frontier logo]()
$173
This Priceline deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:44 pm -
1 stop7h 45m
Wed 10/215:05 am -
1 stop7h 54m
Deal found 9/2![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/211:44 pm -
1 stop20h 31m
Sat 10/245:05 am -
1 stop7h 54m
Deal found 9/3![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/211:44 pm -
1 stop20h 31m
Sun 10/2510:55 pm -
1 stop14h 04m
Deal found 9/4![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:44 pm -
1 stop8h 06m
Sun 11/110:55 pm -
1 stop14h 08m
Deal found 9/5![Frontier logo]()
$162
One-way flights from Buffalo to Key LargoSearch for one-way flight options from Buffalo to Key Largo. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Buffalo to Key Largo. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:44 pm -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 9/5. 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.
Wed 10/211:44 pm -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:45 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:48 pm -
1 stop27h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/91:48 pm -
1 stop20h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/301:48 pm -
1 stop27h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:48 pm -
1 stop8h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/31:45 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/301:40 pm -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$96
This Frontier deal was found by Cheapflights users on 9/5. 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.
Wed 10/71:40 pm -
1 stop6h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$103
Find flight deals from Buffalo to Key Largo
Keep the following information in mind while searching for Buffalo to Key Largo flight deals. Data was last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Kiwi.com) |
One-way from | $78 (Super.com) |
Popular in | March |
Cheapest in | October |
Average price | $266 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Key Largo 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Buffalo to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Thu 10/1
5:45 pm-10:35 pm
1 stop4h 50m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Mon 9/28
3:53 pm-11:15 pm
1 stop7h 22m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Fri 1/8
11:40 am-9:47 pm
2 stops10h 07m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Tue 1/19
10:25 am-8:55 pm
2 stops10h 30m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Thu 12/3
12:45 pm-10:10 pm
2 stops9h 25m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Tue 11/3
6:15 am-12:12 pm
1 stop5h 57m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Sat 12/5
2:06 pm-8:28 pm
1 stop6h 22m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Thu 3/4
6:59 pm-12:52 am
1 stop5h 53m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Tue 3/2
4:00 pm-11:09 pm
1 stop7h 09m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
BuffaloMiami
BUF Buffalo - MIA Miami
BUFMIA
Buffalo
Sat 2/13
6:59 pm-12:52 am
1 stop5h 53m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$220
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Buffalo to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Buffalo with our price prediction graph.
BUF-MIA
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 Key Largo
BUF-KE9
BUF-MIA
What is the cheapest time of day to fly from BUF to KE9?
Find hourly flight availability from Buffalo to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
It’s typically best to fly out from Buffalo to Key Largo in the afternoon. Doing so could potentially save you 43% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost to fly round-trip from Buffalo to Key Largo?
Airfare is below average for this route at the moment.
Buffalo to Key Largo flights typically cost between $216 and $306 in October.The cheapest round-trip price found within the last 5 days was $153 on Frontier (Oct 21-Oct 24).
What is the cheapest day to fly from Buffalo to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Buffalo to Key Largo. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Buffalo to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated September 7, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from Buffalo to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Buffalo to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Key Largo flights
Browse other Buffalo and Key Largo flight options. Last updated on September 7, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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Buffalo to Key Largo flights
Consider these flights traveling from Buffalo to Key Largo.
Top 6 airlines flying from Buffalo to Key Largo
Discover the top 6 airlines that operate flights from Buffalo to Key Largo. 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$249 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$123 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$389 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$358 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$310 | FlexibilityNo cancel fee | On-time69% |