How popular is this Buffalo to Key Largo flight route?

The Buffalo to Key Largo flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Buffalo to Key Largo?

Airlines like Delta and Southwest fly from Buffalo to Key Largo in about 7h. The time it takes to get you to your destination can typically vary by up to 1h 50m. The distance between Buffalo and Key Largo is about 1910 km. Both multi-stop and direct flights can be found to your destination and back.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as C$ 100. Users have also found prices from C$ 106 and C$ 137 on Southwest and American Airlines, respectively.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 mm per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

What are the most popular airlines that fly from Buffalo to Key Largo?

Consider Southwest, American Airlines or Frontier when booking your flight. These represent the most popular airlines when flying from Buffalo to Key Largo.

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

Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Key Largo. You should not have trouble finding flights to Key Largo from Buffalo; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to Key Largo. It is only a 13.4 km journey to Buffalo (BUF) from Buffalo’s city centre.

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.

C$ 122+ Cheap Flights from Buffalo to Key Largo

Cheap flight deals from Buffalo to Key Largo

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 2 September 2026.

Fri 13/111:48 p.m. -

1 stop8h 01m

Thu 19/115:15 a.m. -

1 stop7h 03m

Deal found 2/9C$ 242

Wed 30/91:40 p.m. -

1 stop25h 44m

Wed 7/105:32 a.m. -

1 stop7h 23m

Deal found 31/8C$ 243

Wed 30/91:40 p.m. -

1 stop20h 50m

Tue 6/109:43 p.m. -

1 stop15h 12m

Deal found 1/9C$ 260

Wed 14/101:44 p.m. -

1 stop7h 45m

Sun 18/1010:55 p.m. -

1 stop14h 04m

Deal found 1/9C$ 282

Wed 23/91:40 p.m. -

1 stop6h 58m

Mon 5/105:32 a.m. -

1 stop7h 23m

Deal found 2/9C$ 304

Fri 2/101:40 p.m. -

1 stop20h 50m

Mon 5/105:32 a.m. -

1 stop7h 23m

Deal found 1/9C$ 306

Tue 29/96:51 p.m. -

2 stops39h 39m

Tue 6/109:43 p.m. -

1 stop15h 12m

Deal found 31/8C$ 308

Wed 16/91:40 p.m. -

1 stop6h 58m

Thu 1/104:30 p.m. -

1 stop20h 25m

Deal found 31/8C$ 321

Wed 16/91:40 p.m. -

1 stop6h 58m

Tue 29/99:43 p.m. -

1 stop15h 12m

Deal found 31/8C$ 332

Wed 16/91:40 p.m. -

1 stop6h 58m

Wed 23/95:32 a.m. -

1 stop7h 23m

Deal found 29/8C$ 333

Sat 19/91:40 p.m. -

1 stop6h 58m

Tue 29/99:43 p.m. -

1 stop15h 12m

Deal found 31/8C$ 335

Find flight deals from Buffalo to Key Largo

Round-trip from	C$ 242
One-way from	C$ 122
Popular in	March
Cheapest in	October
Average price	C$ 369

Frontier
13/11-19/11
2 total stops
15h 04m total
Buffalo to Key Largo

Search Deals

Frontier
30/9
1 total stop
20h 50m total
Buffalo to Key Largo

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 77 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Tue 29/9

6:05 a.m.-1:05 p.m.

1 stop7h 00m

Miami

Sat 3/10

7:06 a.m.-3:05 p.m.

1 stop7h 59m

C$ 414

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Thu 22/10

2:20 p.m.-11:10 p.m.

2 stops8h 50m

Miami

Tue 27/10

7:00 a.m.-3:20 p.m.

2 stops8h 20m

C$ 479

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Sat 19/9

5:15 p.m.-12:55 a.m.

1 stop7h 40m

Miami

Thu 8/10

3:30 p.m.-11:59 p.m.

1 stop8h 29m

C$ 493

Quickest round-trip

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Sat 14/11

3:30 p.m.-8:40 p.m.

1 stop5h 10m

Miami

Mon 23/11

6:05 a.m.-12:00 p.m.

1 stop5h 55m

C$ 508

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Thu 17/9

3:53 p.m.-11:15 p.m.

1 stop7h 22m

Miami

Mon 21/9

6:00 p.m.-11:52 p.m.

1 stop5h 52m

C$ 508

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Thu 17/9

12:30 p.m.-8:50 p.m.

1 stop8h 20m

Miami

Mon 21/9

7:00 a.m.-11:50 a.m.

1 stop4h 50m

C$ 508

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Fri 16/10

2:50 p.m.-11:10 p.m.

2 stops8h 20m

Miami

Thu 22/10

7:10 a.m.-5:05 p.m.

2 stops9h 55m

C$ 561

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Fri 2/10

2:50 p.m.-11:05 p.m.

2 stops8h 15m

Miami

Mon 5/10

7:10 a.m.-2:10 p.m.

2 stops7h 00m

C$ 571

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Wed 9/9

2:53 p.m.-11:52 p.m.

2 stops8h 59m

Miami

Sat 12/9

1:44 p.m.-7:04 p.m.

1 stop5h 20m

C$ 572

Cheapest one-way

BuffaloMiami

BUF Buffalo - MIA Miami

BUFMIA

Buffalo

Tue 1/12

6:36 p.m.-12:58 a.m.

1 stop6h 22m

C$ 207

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 20 resultsSorted by cheapest first

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.

BUF-MIA

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

BUF-KE9

BUF-MIA

What is the cheapest time of day to fly from BUF to KE9?

It’s optimal to fly from Buffalo to Key Largo in the evening. By choosing this option you can save up to 60% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Buffalo to Key Largo?

Airfare is below average for this route at the moment.

Buffalo to Key Largo flights typically cost between C$ 290 and C$ 414 in November.
The cheapest round-trip price found within the last 5 days was C$ 242 on Frontier (13 Nov-19 Nov).

Reviews of airlines servicing Key Largo

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,198 reviews

Check prices

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Southwest

8.0

Very good

4,198 reviews

Southwest

8.0

Very good

4,198 reviews

Check prices

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Delta

7.8

Good

8,549 reviews

Southwest

8.0

Very good

4,198 reviews

Check prices

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

United Airlines

7.4

Good

10,159 reviews

Southwest

8.0

Very good

4,198 reviews

Check prices

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

American Airlines

7.1

Good

12,029 reviews

Southwest

8.0

Very good

4,198 reviews

Check prices

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Frontier

5.6

Fair

2,627 reviews

Southwest

8.0

Very good

4,198 reviews

Check prices

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

What airport do you fly from for flights from Buffalo to Key Largo?
Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Key Largo. You should not have trouble finding flights to Key Largo from Buffalo; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to Key Largo. It is only a 13.4 km journey to Buffalo (BUF) from Buffalo’s city centre.
How popular is this Buffalo to Key Largo flight route?
The Buffalo to Key Largo flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Buffalo to Key Largo?
Airlines like Delta and Southwest fly from Buffalo to Key Largo in about 7h. The time it takes to get you to your destination can typically vary by up to 1h 50m. The distance between Buffalo and Key Largo is about 1910 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Buffalo to Key Largo one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as C$ 100. Users have also found prices from C$ 106 and C$ 137 on Southwest and American Airlines, respectively.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Buffalo to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 132	AverageC$ 423	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	CheapestC$ 150	AverageC$ 308	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Frontier	CheapestC$ 167	AverageC$ 269	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
JetBlue	CheapestC$ 203	AverageC$ 383	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Southwest	CheapestC$ 240	AverageC$ 431	FlexibilityNo cancel fee	On-time63%	Search Southwest flights
United Airlines	CheapestC$ 398	AverageC$ 577	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Buffalo to Key Largo?

Cheapflights helps you search for flights from Buffalo to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Key Largo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Buffalo.

Can Cheapflights find flights from Buffalo to Key Largo with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Buffalo to Key Largo, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Buffalo to Key Largo become cheaper?

Yes, Cheapflights offers price alerts on Buffalo to Key Largo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Buffalo to Key Largo from C$ 122

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Buffalo to Key Largo

Cheapest flights from Buffalo to Key LargoExplore 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 2 September 2026.

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 2 September 2026.

Best flights from Buffalo to Key LargoDiscover carefully curated flight deals from Buffalo to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Discover carefully curated flight deals from Buffalo to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Direct flights from Buffalo to Key LargoExplore direct flight options from Buffalo to Key Largo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Explore direct flight options from Buffalo to Key Largo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Last-minute flights from Buffalo to Key LargoDiscover last-minute flight deals from Buffalo to Key Largo. Data last updated 2 September 2026 and is based on user searches.

Discover last-minute flight deals from Buffalo to Key Largo. Data last updated 2 September 2026 and is based on user searches.

One-way flights from Buffalo to Key LargoSearch for one-way flight options from Buffalo to Key Largo. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Search for one-way flight options from Buffalo to Key Largo. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Find flight deals from Buffalo to Key Largo

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Use the filters below to find and compare flights from Buffalo to Key Largo that are best for you.

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.

Cheapflights Insights

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 2 September 2026.

It’s optimal to fly from Buffalo to Key Largo in the evening. By choosing this option you can save up to 60% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Buffalo to Key Largo?

Airfare is below average for this route at the moment.

Buffalo to Key Largo flights typically cost between C$ 290 and C$ 414 in November.The cheapest round-trip price found within the last 5 days was C$ 242 on Frontier (13 Nov-19 Nov).

Reviews of airlines servicing Key Largo

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How popular is this Buffalo to Key Largo flight route?

How long is the flight from Buffalo to Key Largo?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Florida

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Search flights from Buffalo to Key Largo by cabin class

Find flights from Buffalo to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Buffalo and Key Largo flights

Browse other Buffalo and Key Largo flight options. Last updated on 2 September 2026.

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Buffalo to Key Largo flights

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Top 6 airlines flying from Buffalo to Key Largo

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How does Cheapflights help users find flights from Buffalo to Key Largo?

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Key Largo?

Can Cheapflights find flights from Buffalo to Key Largo with no change fees?

Can Cheapflights notify me if prices for flights from Buffalo to Key Largo become cheaper?

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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 2 September 2026.

Best flights from Buffalo to Key Largo
Discover carefully curated flight deals from Buffalo to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 September 2026.

Direct flights from Buffalo to Key Largo
Explore direct flight options from Buffalo to Key Largo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2026.

Last-minute flights from Buffalo to Key Largo
Discover last-minute flight deals from Buffalo to Key Largo. Data last updated 2 September 2026 and is based on user searches.

One-way flights from Buffalo to Key Largo
Search for one-way flight options from Buffalo to Key Largo. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Buffalo to Key Largo flights typically cost between C$ 290 and C$ 414 in November.
The cheapest round-trip price found within the last 5 days was C$ 242 on Frontier (13 Nov-19 Nov).