How popular is this Buffalo to Key Largo flight route?

The Buffalo to Key Largo flight path was viewed by 1 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 20m. The time it takes to get you to your destination can typically vary by up to 14m. 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$ 102. Users have also found prices from C$ 109 and C$ 141 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$ 132+ Cheap Flights from Buffalo to Key Largo

Q: 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$ 345 and C$ 543 in July. The cheapest round-trip price found within the last 5 days was C$ 281 on Southwest (16 Jul-21 Jul).

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 7 July 2026.

Sat 11/712:35 p.m.

BUF

MIA

2 stops10h 30m

Southwest

Sat 18/76:10 a.m.

MIA

BUF

1 stop9h 40m

Southwest

Deal found 3/7C$ 281

Tue 28/711:29 a.m.

BUF

MIA

1 stop11h 36m

Frontier

Sun 16/86:42 p.m.

MIA

BUF

1 stop19h 11m

Frontier

Deal found 2/7C$ 294

Fri 3/75:55 p.m.

BUF

MIA

1 stop5h 20m

Southwest

Wed 8/71:45 p.m.

MIA

BUF

1 stop6h 15m

Southwest

Deal found 3/7C$ 300

Tue 3/116:16 a.m.

BUF

MIA

1 stop8h 18m

Delta

Sat 7/118:30 a.m.

MIA

BUF

1 stop7h 06m

Delta

Deal found 2/7C$ 308

Tue 1/95:13 p.m.

BUF

MIA

1 stop7h 34m

Delta

Wed 2/910:35 a.m.

MIA

BUF

1 stop5h 30m

Delta

Deal found 2/7C$ 310

Tue 18/811:36 a.m.

BUF

MIA

1 stop11h 29m

Frontier

Sun 30/85:28 p.m.

MIA

BUF

1 stop17h 01m

Frontier

Deal found 4/7C$ 313

Tue 25/811:36 a.m.

BUF

MIA

1 stop11h 29m

Frontier

Sun 6/93:30 p.m.

MIA

BUF

1 stop5h 14m

Frontier

Deal found 6/7C$ 321

Fri 31/77:35 p.m.

BUF

MIA

1 stop5h 11m

American Airlines

Sun 9/86:00 a.m.

MIA

BUF

1 stop8h 26m

American Airlines

Deal found 6/7C$ 324

Find flight deals from Buffalo to Key Largo

Round-trip from	C$ 281
One-way from	C$ 132
Popular in	March
Cheapest in	September
Average price	C$ 412

Southwest
16/7-21/7
3 total stops
16h 40m total
Buffalo to Key Largo

Search Deals

Frontier
21/8
1 total stop
11h 29m total
Buffalo to Key Largo

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (C$ 92 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 1/9

5:13 p.m.-12:47 a.m.

1 stop7h 34m

Miami

Wed 2/9

10:35 a.m.-4:05 p.m.

1 stop5h 30m

C$ 310

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 17/10

7:20 a.m.-2:40 p.m.

1 stop7h 20m

Miami

Sat 24/10

5:50 a.m.-2:35 p.m.

2 stops8h 45m

C$ 364

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 28/7

7:00 a.m.-2:22 p.m.

1 stop7h 22m

Miami

Fri 31/7

3:17 p.m.-12:46 a.m.

1 stop9h 29m

C$ 367

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 18/7

12:35 p.m.-11:05 p.m.

2 stops10h 30m

Miami

Fri 24/7

3:05 p.m.-12:15 a.m.

1 stop9h 10m

C$ 372

Quickest round-trip

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Wed 9/12

7:40 p.m.-12:52 a.m.

1 stop5h 12m

Miami

Sat 19/12

7:00 a.m.-12:33 p.m.

1 stop5h 33m

C$ 424

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Fri 24/7

2:50 p.m.-11:20 p.m.

1 stop8h 30m

Miami

Mon 27/7

4:00 p.m.-12:15 a.m.

2 stops8h 15m

C$ 438

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 14/11

6:30 a.m.-4:10 p.m.

2 stops9h 40m

Miami

Sun 22/11

6:05 a.m.-2:25 p.m.

1 stop8h 20m

C$ 446

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Tue 18/8

7:19 p.m.-12:47 a.m.

1 stop5h 28m

Miami

Sat 29/8

8:25 a.m.-11:09 p.m.

2 stops14h 44m

C$ 456

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Sat 2/1

6:25 a.m.-5:10 p.m.

1 stop10h 45m

Miami

Sat 9/1

7:30 a.m.-2:59 p.m.

1 stop7h 29m

C$ 492

BuffaloMiami

BUF - MIA

BUFMIA

Buffalo

Wed 9/12

12:45 p.m.-10:10 p.m.

2 stops9h 25m

Miami

Mon 14/12

6:35 a.m.-3:10 p.m.

2 stops8h 35m

C$ 497

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 19 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 59% 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?

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

7.9

Good

4,250 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

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 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

8,450 reviews

Southwest

7.9

Good

4,250 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

9,944 reviews

Southwest

7.9

Good

4,250 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

11,781 reviews

Southwest

7.9

Good

4,250 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

2,840 reviews

Southwest

7.9

Good

4,250 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 1 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 20m. The time it takes to get you to your destination can typically vary by up to 14m. 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$ 102. Users have also found prices from C$ 109 and C$ 141 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

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Top 6 airlines flying from Buffalo to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 135	AverageC$ 422	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	CheapestC$ 153	AverageC$ 336	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Frontier	CheapestC$ 163	AverageC$ 270	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
JetBlue	CheapestC$ 195	AverageC$ 382	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Southwest	CheapestC$ 225	AverageC$ 411	FlexibilityNo cancel fee	On-time63%	Search Southwest flights
United Airlines	CheapestC$ 295	AverageC$ 590	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$ 132

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 21/8. 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 7 July 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 7 July 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 7 July 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 7 July 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 7 July 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 7 July 2026.

Last-minute flights from Buffalo to Key LargoDiscover last-minute flight deals from Buffalo to Key Largo. Data last updated 7 July 2026 and is based on user searches.

Discover last-minute flight deals from Buffalo to Key Largo. Data last updated 7 July 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 7 July 2026.

Search for one-way flight options from Buffalo to Key Largo. Find affordable one-way fares based on user searches. Data last updated 7 July 2026.

Find 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 7 July 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Everything you need to know about your flight from Buffalo to Key Largo

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 7 July 2026.

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

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

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?

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

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Complete your trip

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

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Search flights from Buffalo to Key Largo by cabin class

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Buffalo and Key Largo flights

Browse other Buffalo and Key Largo flight options. Last updated on 7 July 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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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 7 July 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 7 July 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 7 July 2026.

Last-minute flights from Buffalo to Key Largo
Discover last-minute flight deals from Buffalo to Key Largo. Data last updated 7 July 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 7 July 2026.