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Florida Keys

$84+ Cheap flights from Buffalo (BUF) to Florida Keys

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — EYW
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Buffalo to Florida Keys

Cheapest flights from Buffalo to Florida Keys
Explore the most affordable flight options available from Buffalo to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Southwest deal was found by Cheapflights users on 12/16. 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.
Mon 12/2212:25 pmBUF - MIA
1 stop11h 40mSouthwest
Wed 12/246:55 amMIA - BUF
1 stop4h 35mSouthwest
Deal found 12/16$203
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:54 pmBUF - MIA
1 stop5h 54mDelta
Tue 12/305:19 pmMIA - BUF
1 stop6h 09mDelta
Deal found 12/17$217
This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:05 pmBUF - MIA
1 stop5h 42mFrontier
Wed 12/245:30 amMIA - BUF
1 stop11h 19mFrontier
Deal found 12/17$233
This Southwest deal was found by Cheapflights users on 12/16. 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 12/235:30 amBUF - MIA
1 stop5h 25mSouthwest
Thu 12/251:05 pmMIA - BUF
1 stop7h 35mSouthwest
Deal found 12/16$238
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:54 pmBUF - MIA
1 stop5h 54mDelta
Wed 12/314:01 pmMIA - BUF
1 stop7h 36mDelta
Deal found 12/17$248
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:35 pmBUF - MIA
1 stop5h 17mAmerican Airlines
Tue 1/205:36 pmMIA - BUF
1 stop6h 05mAmerican Airlines
Deal found 12/16$252
This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:40 pmBUF - MIA
1 stop7h 11mFrontier
Mon 12/295:30 amMIA - BUF
1 stop11h 15mFrontier
Deal found 12/17$255
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:54 pmBUF - MIA
1 stop5h 54mDelta
Mon 12/295:01 pmMIA - BUF
1 stop6h 46mDelta
Deal found 12/17$257
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:54 pmBUF - MIA
1 stop5h 52mDelta
Wed 12/245:45 pmMIA - BUF
1 stop5h 52mDelta
Deal found 12/17$258
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:29 amBUF - EYW
1 stop6h 00mUnited Airlines
Sun 12/2812:22 pmEYW - BUF
1 stop8h 32mUnited Airlines
Deal found 12/17$346
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amBUF - EYW
1 stop7h 51mUnited Airlines
Tue 12/2312:22 pmEYW - BUF
1 stop8h 32mUnited Airlines
Deal found 12/15$389
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/252:07 pmBUF - EYW
1 stop22h 23mMultiple Airlines
Mon 12/291:10 pmEYW - BUF
2 stops30h 03mMultiple Airlines
Deal found 12/16$397

Find flight deals from Buffalo to Florida Keys

Keep the following information in mind while searching for Buffalo to Florida Keys flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$193
(Kiwi.com)

One-way from

$84
(Southwest)

Popular in

December

Cheapest in

September

Average price

$382
Provider with most accurate pricing for Buffalo-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Miami flights.
Search Deals
From Buffalo to Florida Keys
Search Deals
One-way flight from Buffalo to Florida Keys
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Florida Keys 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 December 18, 2025.
Use the filters below to find and compare flights from Buffalo to Florida Keys that are best for you.

Fly from

Buffalo

Fly to

Florida Keys

Route

Depart

Return

Price

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 1/6

8:45 am-4:10 pm

1 stop7h 25m

Miami

Mon 1/12

7:15 am-12:30 pm

1 stop5h 15m

$199

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Thu 2/19

1:39 pm-12:42 am

1 stop11h 03m

Miami

Sat 2/28

7:05 am-9:52 am

2 stops26h 47m

$206

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 12/22

12:25 pm-12:05 am

1 stop11h 40m

Miami

Wed 12/24

6:55 am-2:20 pm

2 stops7h 25m

$209

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Fri 1/23

4:01 pm-10:51 pm

1 stop6h 50m

Miami

Sat 1/24

7:07 am-12:08 pm

1 stop5h 01m

$217

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sun 1/11

1:15 pm-11:56 am

1 stop22h 41m

Miami

Sun 1/18

7:00 am-10:49 am

1 stop27h 49m

$223

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Wed 2/18

5:05 pm-10:00 pm

1 stop4h 55m

Miami

Wed 2/25

6:55 am-4:15 pm

2 stops9h 20m

$237

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 12/23

5:30 am-10:55 am

1 stop5h 25m

Miami

Thu 12/25

1:05 pm-8:40 pm

1 stop7h 35m

$238

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 1/12

6:00 am-12:14 pm

1 stop6h 14m

Miami

Thu 1/15

7:00 am-2:10 pm

1 stop7h 10m

$247

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sun 3/15

12:40 pm-6:15 pm

1 stop5h 35m

Miami

Fri 3/20

6:40 am-3:15 pm

1 stop8h 35m

$248

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 1/20

6:00 am-12:48 pm

1 stop6h 48m

Key West

Tue 2/3

6:06 pm-11:28 pm

1 stop5h 22m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 42 results
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Best time to book a flight from Buffalo to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Florida Keys

What is the cheapest month to book a flight from Buffalo to Florida Keys?

Currently, May is the cheapest month in which you can book a flight from Buffalo to Florida Keys (average of $199). Flying from Buffalo to Florida Keys in October is currently the most expensive (average of $299). 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 EOA?

Find hourly flight availability from Buffalo to Florida Keys. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Buffalo to Florida Keys is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 60% on airfare.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Buffalo to Florida Keys, such as Southwest, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,897 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Florida Keys?

    If you book a flight to Florida Keys from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo.

  • How long is the flight from Buffalo to Florida Keys?

    For as low as $254, Southwest can have you in Florida Keys from Buffalo in 6h 48m. There are 1281 mi between Buffalo and Florida Keys. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Buffalo to Florida Keys one-way?

    $59 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $79 and $83, respectively.

  • Can I find deals for flights from Buffalo to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Buffalo to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Florida Keys.

  • Can I find deals for business class flights from Buffalo to Florida Keys?

    Yes. Cheapflights offers flight deals from Buffalo to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Florida Keys?

    Currently, May is the cheapest month in which you can book a flight from Buffalo to Florida Keys (average of $199). Flying from Buffalo to Florida Keys in October is currently the most expensive (average of $299). 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.

See more FAQs

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Alternative routes for Buffalo to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Buffalo to Florida Keys

Discover the top 3 airlines that operate flights from Buffalo to Florida Keys. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$410FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$447FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$289Average$471FlexibilityNo cancel feeOn-time69%

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