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Key Largo

$76+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — MIA
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
1 adult, Economy
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The best prices from Buffalo to Key Largo are usually found in September or August, booked 33 days in advance, depart on a Wednesday or Saturday 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 March 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(FlightHub)

One-way from

$76
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$387
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 ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 12, 2025.

This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/13:51 pmBUF - MIA
1 stop5h 56mFrontier
Thu 5/89:00 amMIA - BUF
1 stop10h 48mFrontier
Deal found 3/11$170
This American Airlines deal was found by Cheapflights users on 3/12. 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 7/157:22 pmBUF - MIA
1 stop5h 07mAmerican Airlines
Tue 7/225:28 pmMIA - BUF
1 stop6h 56mAmerican Airlines
Deal found 3/12$176
This JetBlue deal was found by Cheapflights users on 3/11. 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 4/79:20 amBUF - MIA
1 stop9h 17mJetBlue
Wed 4/92:16 pmMIA - BUF
1 stop7h 41mJetBlue
Deal found 3/11$197
This Delta deal was found by Cheapflights users on 3/11. 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 4/91:00 pmBUF - MIA
1 stop8h 18mDelta
Tue 4/156:00 amMIA - BUF
1 stop5h 00mDelta
Deal found 3/11$217
This United Airlines deal was found by Cheapflights users on 3/12. 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 3/252:00 pmBUF - MIA
1 stop8h 45mUnited Airlines
Tue 4/86:15 amMIA - BUF
1 stop8h 29mUnited Airlines
Deal found 3/12$223
This Southwest deal was found by Cheapflights users on 3/11. 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 4/53:25 pmBUF - MIA
1 stop8h 20mSouthwest
Tue 4/83:30 pmMIA - BUF
2 stops7h 05mSouthwest
Deal found 3/11$227

Find flights from Buffalo to Key Largo within your budget

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 March 12, 2025.

Fly from

Buffalo

Fly to

Key Largo

Route

Depart

Return

Price

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Thu 5/1

3:51 pm-9:47 pm

1 stop5h 56m

Miami

Thu 5/8

9:00 am-7:48 pm

1 stop10h 48m

$170

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 4/26

4:00 pm-9:24 pm

1 stop5h 24m

Miami

Sat 5/3

9:47 am-5:08 pm

1 stop7h 21m

$177

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Mon 4/7

9:20 am-6:37 pm

1 stop9h 17m

Miami

Wed 4/9

2:16 pm-9:57 pm

1 stop7h 41m

$197

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Wed 4/9

1:00 pm-9:18 pm

1 stop8h 18m

Miami

Wed 4/16

3:31 pm-12:27 am

1 stop8h 56m

$217

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 3/25

2:00 pm-10:45 pm

1 stop8h 45m

Miami

Tue 4/8

6:15 am-2:44 pm

1 stop8h 29m

$223

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 4/5

3:25 pm-11:45 pm

1 stop8h 20m

Miami

Tue 4/8

3:30 pm-10:35 pm

2 stops7h 05m

$227

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 3/22

8:04 pm-12:56 pm

1 stop16h 52m

$76

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Wed 4/16

12:53 pm-7:20 pm

1 stop6h 27m

$84

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 3/29

6:00 am-12:30 pm

1 stop6h 30m

$104

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Wed 3/19

4:00 pm-11:05 pm

1 stop7h 05m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 12 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.

Travel insights for flights from Buffalo to Key Largo

Get recent, data-driven insights about flights from Buffalo to Key Largo including ideal travel times, pricing trends, and more.

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 March 7, 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 $230). 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 March 12, 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 March 12, 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
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
8.1
Very good
4,297 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
7,953 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
8,623 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
2,956 reviews
Southwest
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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
8.1
Very good
4,297 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

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 Frontier, which is currently one of the cheapest options available, starting at $76. American Airlines flights start at $84 while deals on United Airlines start at $104 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 American Airlines (100%), Qatar Airways (100%) and Republic Airways (100%).

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

    Looking at all options, your cheapest flight can be booked for $73. While the most popular route (Buffalo - Miami) can be booked for $167 on average our data indicates $271 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 $230). 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 March 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$224FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$146Average$372FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$360FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$166Average$444FlexibilityNo cancel feeOn-time63%
DeltaCheapest$195Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$196Average$408FlexibilityNo cancel feeOn-time69%
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