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Key Largo

$84+ Cheap flights from Buffalo (BUF) to Key Largo, FL

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — MIA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to Key Largo are usually found in September or May, booked 33 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$167
(American Airlines)

One-way from

$84
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$392
Provider with most accurate pricing for Buffalo-Miami flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Miami flights.
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From Buffalo to Key Largo
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One-way flight from Buffalo to Key Largo
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Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Buffalo to Key Largo

Cheapest flights from Buffalo to Key Largo
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 April 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:10 amBUF - MIA
1 stop6h 57mAmerican Airlines
Tue 6/35:05 pmMIA - BUF
1 stop7h 09mAmerican Airlines
Deal found 4/29$167
This JetBlue deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:00 amBUF - MIA
1 stop5h 46mJetBlue
Tue 5/132:30 pmMIA - BUF
1 stop7h 24mJetBlue
Deal found 4/28$201
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/54:00 pmBUF - MIA
1 stop7h 13mDelta
Mon 11/107:00 amMIA - BUF
1 stop8h 38mDelta
Deal found 4/29$217
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:51 pmBUF - MIA
1 stop5h 47mFrontier
Sun 5/189:00 amMIA - BUF
1 stop10h 48mFrontier
Deal found 4/29$220
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:00 amBUF - MIA
1 stop5h 11mUnited Airlines
Tue 5/207:53 amMIA - BUF
2 stops10h 58mUnited Airlines
Deal found 4/29$232
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:45 amBUF - MIA
2 stops9h 00mSouthwest
Mon 5/266:15 amMIA - BUF
1 stop4h 35mSouthwest
Deal found 4/29$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 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Buffalo to Key Largo that are best for you.

Fly from

Buffalo

Fly to

Key Largo

Route

Depart

Return

Price

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 5/27

6:10 am-1:07 pm

1 stop6h 57m

Miami

Tue 6/3

5:05 pm-12:14 am

1 stop7h 09m

$167

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 5/12

6:00 am-11:46 am

1 stop5h 46m

Miami

Tue 5/13

2:30 pm-9:54 pm

1 stop7h 24m

$201

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Fri 7/18

7:45 pm-12:55 am

1 stop5h 10m

Miami

Thu 7/24

6:15 pm-11:44 pm

1 stop5h 29m

$217

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Fri 5/9

6:45 am-2:56 pm

1 stop8h 11m

Miami

Fri 5/16

12:20 pm-9:22 pm

1 stop9h 02m

$241

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Thu 5/8

3:51 pm-9:38 pm

1 stop5h 47m

Miami

Sun 5/11

9:00 am-7:48 pm

1 stop10h 48m

$251

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 5/19

5:45 am-2:45 pm

2 stops9h 00m

Miami

Mon 5/26

6:15 am-10:50 am

1 stop4h 35m

$266

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 5/27

7:11 pm-12:34 am

1 stop5h 23m

$84

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 5/19

5:45 am-2:45 pm

2 stops9h 00m

$89

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 5/12

6:00 am-11:46 am

1 stop5h 46m

$101

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sun 5/25

1:00 pm-6:07 pm

1 stop5h 07m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 13 results
1
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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.
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

How far ahead should I book a flight from Buffalo to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Key Largo. Price data was last updated on April 25, 2025.

The best time to book flights from Buffalo to Key Largo is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Buffalo to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Buffalo to Key Largo (average of $228). Flying from Buffalo to Key Largo in March is currently the most expensive (average of $289). 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 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 April 29, 2025.

When flying from Buffalo to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 December 16, 2024.

Travelers seeking maximum savings on their Buffalo to Key Largo flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Buffalo to Key Largo by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,936 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

  • What airport do you fly from for flights from Buffalo to Key Largo?

    For a flight from Buffalo to Key Largo, you will be flying from Buffalo. Buffalo (BUF) is just 8.3 mi from the center of the city. Buffalo is the only Buffalo airport and it handles 0 outbound flights to Key Largo per day. 6 airlines have flights to Key Largo from Buffalo on a regular basis.

  • What are the cheapest airlines to fly from Buffalo to Key Largo one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $84. JetBlue flights start at $101 while deals on Delta start at $109 one-way.

  • What are the most reliable airlines from Buffalo to Key Largo?

    The top 3 most reliable airlines when flying from Buffalo to Key Largo are Qatar Airways (79%), American Airlines (75%) and Republic Airways (75%).

  • What are the cheapest flights from Buffalo to Key Largo?

    Looking at all options, your cheapest flight can be booked for $264. While the most popular route (Buffalo - Miami) can be booked for $201 on average our data indicates $595 when flying from Buffalo to Key Largo.

  • Can I find deals for flights from Buffalo to Key Largo that include hotel bookings?

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

  • How can I find direct flights from Buffalo to Key Largo?

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

  • Can I find deals for business class flights from Buffalo to Key Largo?

    Yes. Cheapflights offers flight deals from Buffalo to Key Largo 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 Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Buffalo to Key Largo (average of $228). Flying from Buffalo to Key Largo in March is currently the most expensive (average of $289). 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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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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$225FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$136Average$349FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$360FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$166Average$417FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$399FlexibilityNo cancel feeOn-time69%
DeltaCheapest$215Average$340FlexibilityNo cancel feeOn-timeN/A

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