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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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — MIA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 15, 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

$397
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. 3% potential increase in price ($12 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 15, 2025.

This American Airlines deal was found by Cheapflights users on 4/14. 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 5/65:30 amBUF - MIA
1 stop8h 08mAmerican Airlines
Tue 5/134:19 pmMIA - BUF
1 stop7h 34mAmerican Airlines
Deal found 4/14$167
This Delta deal was found by Cheapflights users on 4/14. 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 5/92:59 pmBUF - MIA
1 stop7h 43mDelta
Sun 5/115:35 amMIA - BUF
1 stop5h 23mDelta
Deal found 4/14$217
This Southwest deal was found by Cheapflights users on 4/14. 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 5/1310:55 amBUF - MIA
1 stop5h 20mSouthwest
Sat 5/177:45 amMIA - BUF
2 stops8h 25mSouthwest
Deal found 4/14$227
This CheapOair deal was found by Cheapflights users on 4/13. 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.
Thu 5/153:51 pmBUF - MIA
1 stop5h 47mFrontier
Mon 6/96:00 amMIA - BUF
1 stop10h 29mFrontier
Deal found 4/13$230
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/66:00 amBUF - MIA
1 stop5h 11mUnited Airlines
Tue 5/131:57 pmMIA - BUF
2 stops9h 39mUnited Airlines
Deal found 4/14$232
This JetBlue Airways deal was found by Cheapflights users on 4/14. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:04 pmBUF - MIA
1 stop5h 55mJetBlue
Fri 8/296:00 amMIA - BUF
1 stop6h 34mJetBlue
Deal found 4/14$250
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:29 amBUF - MIA
2 stops31h 16mMultiple Airlines
Sun 7/612:15 pmMIA - BUF
2 stops22h 41mMultiple Airlines
Deal found 4/15$526

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 15, 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 5/6

5:30 am-1:38 pm

1 stop8h 08m

Miami

Tue 5/13

4:19 pm-11:53 pm

1 stop7h 34m

$167

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Fri 5/9

2:59 pm-10:42 pm

1 stop7h 43m

Miami

Sun 5/11

5:35 am-10:58 am

1 stop5h 23m

$217

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 5/13

10:55 am-4:15 pm

1 stop5h 20m

Miami

Sat 5/17

7:45 am-4:10 pm

2 stops8h 25m

$227

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Thu 5/15

3:51 pm-9:38 pm

1 stop5h 47m

Miami

Mon 6/9

6:00 am-4:29 pm

1 stop10h 29m

$230

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 5/6

6:00 am-11:11 am

1 stop5h 11m

Miami

Tue 5/13

1:57 pm-11:36 pm

2 stops9h 39m

$232

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Fri 6/20

6:04 pm-11:59 pm

1 stop5h 55m

Miami

Sun 6/22

6:00 am-11:38 am

1 stop5h 38m

$284

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Thu 7/3

11:29 am-6:45 pm

2 stops31h 16m

Miami

Sun 7/6

12:15 pm-10:56 am

2 stops22h 41m

$526

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 5/10

3:54 pm-9:39 pm

1 stop5h 45m

$84

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 5/12

7:30 am-2:45 pm

2 stops7h 15m

$89

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Thu 5/15

3:51 pm-9:38 pm

1 stop5h 47m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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 11, 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 $229). 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 15, 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 15, 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
4,279 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,918 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,658 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,927 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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. Southwest flights start at $89 while deals on Frontier start at $99 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 $158. While the most popular route (Buffalo - Miami) can be booked for $204 on average our data indicates $549 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 $229). 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.

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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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$225FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$136Average$357FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$358FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$166Average$430FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$400FlexibilityNo cancel feeOn-time69%
DeltaCheapest$207Average$344FlexibilityNo cancel feeOn-timeN/A

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