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$84+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — BUF
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap 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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$167
(American Airlines)

One-way from

$84
(American Airlines)
Provider with most accurate pricing for Key West-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Key West-Buffalo flights.
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From Florida Keys to Buffalo
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One-way flight from Florida Keys to Buffalo
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Find flight deals from Florida Keys to Buffalo

Cheapest flights from Florida Keys to Buffalo
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 April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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 5/156:00 amMIA - BUF
1 stop5h 16mAmerican Airlines
Tue 5/205:30 amBUF - MIA
1 stop8h 08mAmerican Airlines
Deal found 4/23$167
This Delta deal was found by Cheapflights users on 4/23. 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 6/215:30 amMIA - BUF
1 stop6h 24mDelta
Tue 6/245:10 pmBUF - MIA
1 stop7h 47mDelta
Deal found 4/23$217
This Frontier deal was found by Cheapflights users on 4/22. 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 5/18:33 amMIA - BUF
1 stop6h 18mFrontier
Thu 5/83:51 pmBUF - MIA
1 stop5h 47mFrontier
Deal found 4/22$230
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/141:57 pmMIA - BUF
2 stops9h 39mUnited Airlines
Tue 5/206:00 amBUF - MIA
1 stop6h 51mUnited Airlines
Deal found 4/23$232
This Southwest deal was found by Cheapflights users on 4/23. 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 5/156:15 amMIA - BUF
1 stop4h 35mSouthwest
Mon 5/195:45 amBUF - MIA
2 stops9h 00mSouthwest
Deal found 4/23$252
This JetBlue deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:00 amMIA - BUF
1 stop6h 53mJetBlue
Mon 5/126:00 amBUF - MIA
1 stop7h 31mJetBlue
Deal found 4/23$273
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 5/16:13 pmEYW - BUF
1 stop5h 44mDelta
Tue 5/612:05 pmBUF - EYW
1 stop5h 12mDelta
Deal found 4/23$379
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/11:39 pmEYW - BUF
2 stops9h 06mAmerican Airlines
Tue 5/66:10 amBUF - EYW
2 stops6h 41mAmerican Airlines
Deal found 4/23$389
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 5/58:45 amEYW - BUF
2 stops32h 10mUnited Airlines
Fri 5/96:00 amBUF - EYW
2 stops12h 05mUnited Airlines
Deal found 4/23$530

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 April 24, 2025.
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 5/15

6:00 am-11:16 am

1 stop5h 16m

Buffalo

Tue 5/20

5:30 am-1:38 pm

1 stop8h 08m

$167

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Sat 6/21

8:11 am-3:13 pm

1 stop7h 02m

Buffalo

Mon 6/23

7:46 pm-12:57 am

1 stop5h 11m

$217

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Sun 5/4

8:48 am-2:55 pm

1 stop6h 07m

Buffalo

Thu 5/8

3:51 pm-9:38 pm

1 stop5h 47m

$230

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Wed 5/14

1:57 pm-11:36 pm

2 stops9h 39m

Buffalo

Tue 5/20

6:00 am-12:51 pm

1 stop6h 51m

$232

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Thu 5/15

6:15 am-10:50 am

1 stop4h 35m

Buffalo

Mon 5/19

5:45 am-2:45 pm

2 stops9h 00m

$252

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Thu 5/8

7:00 am-1:53 pm

1 stop6h 53m

Buffalo

Mon 5/12

6:00 am-1:31 pm

1 stop7h 31m

$273

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Mon 5/5

8:45 am-4:55 pm

2 stops32h 10m

Buffalo

Fri 5/9

6:00 am-6:05 pm

2 stops12h 05m

$530

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Mon 5/5

6:13 pm-11:57 pm

1 stop5h 44m

Buffalo

Fri 5/9

6:00 am-10:51 am

1 stop4h 51m

$764

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Wed 5/14

11:45 am-6:18 pm

1 stop6h 33m

$84

MiamiBuffalo

MIA - BUF

MIABUF

Miami

Wed 5/21

7:00 am-2:19 pm

1 stop7h 19m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 19 results
1
2

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.
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

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 24, 2025.
To help decide which airline to fly from Florida Keys to Buffalo, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly into when you book flights from Florida Keys to Buffalo.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from Delta and Frontier, as they are both options that can get you from Florida Keys to Buffalo for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to Buffalo 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 Florida Keys to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Florida Keys to Buffalo (average of $256). Flying from Florida Keys to Buffalo in December is currently the most expensive (average of $337). 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

Traveling to a place near Florida Keys?

Book flights to Florida Keys if you plan to visit one of these locations
West Seneca
Williamsville
Amherst
Batavia
Orchard Park
Cheektowaga

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Alternative routes for Florida Keys to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$287Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$293Average$359FlexibilityNo cancel feeOn-timeN/A

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