Find flights
When to book
Airlines
FAQs

Cheap flights from Burlington, VT to Key Largo from C$ 171

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — MIA
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Burlington to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Burlington to Key Largo
Explore the most affordable flight options available from Burlington to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Tue 3/36:00 a.m.
BTV
-
MIA
1 stop6h 32m
United Airlines
Wed 25/36:34 p.m.
MIA
-
BTV
1 stop5h 10m
United Airlines
Deal found 29/1C$ 367
Tue 3/36:00 a.m.
BTV
-
MIA
2 stops10h 55m
Delta
Wed 25/36:00 a.m.
MIA
-
BTV
2 stops9h 52m
Delta
Deal found 29/1C$ 381
Tue 24/32:31 p.m.
BTV
-
MIA
1 stop8h 53m
Delta
Sat 4/47:00 a.m.
MIA
-
BTV
1 stop6h 51m
Delta
Deal found 28/1C$ 392
Tue 27/106:30 a.m.
BTV
-
MIA
1 stop8h 25m
Delta
Sat 31/105:59 p.m.
MIA
-
BTV
1 stop5h 57m
Delta
Deal found 28/1C$ 396
Wed 18/36:30 a.m.
BTV
-
MIA
1 stop7h 50m
Delta
Tue 24/33:33 p.m.
MIA
-
BTV
2 stops8h 32m
Delta
Deal found 27/1C$ 399
Tue 10/21:28 p.m.
BTV
-
MIA
1 stop6h 58m
Delta
Tue 17/24:46 p.m.
MIA
-
BTV
1 stop7h 00m
Delta
Deal found 27/1C$ 400
Tue 3/36:49 a.m.
BTV
-
MIA
1 stop7h 40m
Delta
Sat 7/37:00 a.m.
MIA
-
BTV
1 stop5h 38m
Delta
Deal found 29/1C$ 405
Tue 10/21:28 p.m.
BTV
-
MIA
1 stop6h 58m
Delta
Wed 18/23:20 p.m.
MIA
-
BTV
2 stops7h 49m
Delta
Deal found 27/1C$ 407
Tue 3/36:00 a.m.
BTV
-
MIA
2 stops10h 55m
Delta
Fri 6/37:59 p.m.
MIA
-
BTV
1 stop16h 39m
Delta
Deal found 29/1C$ 409

Find flight deals from Burlington to Key Largo

Keep the following information in mind while searching for Burlington to Key Largo flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 367

One-way from

C$ 171

Popular in

December

Cheapest in

September

Average price

C$ 478
United Airlines
  • United Airlines
  • 3/3-25/3
  • 2 total stops
  • 11h 42m total
  • Burlington to Key Largo
Search Deals
Delta
  • Delta
  • 3/3
  • 1 total stop
  • 8h 35m total
  • Burlington to Key Largo
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Burlington 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 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Burlington to Key Largo that are best for you.

Fly from

Burlington

Fly to

Key Largo

Route

Depart

Return

Price

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Tue 24/3

2:31 p.m.-11:24 p.m.

1 stop8h 53m

Miami

Sat 4/4

7:00 a.m.-1:51 p.m.

1 stop6h 51m

C$ 392

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Wed 18/3

6:30 a.m.-2:20 p.m.

1 stop7h 50m

Miami

Tue 24/3

3:33 p.m.-12:05 a.m.

2 stops8h 32m

C$ 399

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Tue 3/3

6:00 a.m.-12:29 p.m.

1 stop6h 29m

Miami

Fri 6/3

7:59 p.m.-12:38 p.m.

1 stop16h 39m

C$ 400

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Tue 10/2

6:47 a.m.-2:29 p.m.

1 stop7h 42m

Miami

Tue 17/2

4:46 p.m.-11:46 p.m.

1 stop7h 00m

C$ 400

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Tue 3/3

6:49 a.m.-2:29 p.m.

1 stop7h 40m

Miami

Sat 7/3

7:00 a.m.-12:38 p.m.

1 stop5h 38m

C$ 405

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Fri 27/2

6:49 a.m.-11:20 p.m.

1 stop16h 31m

Miami

Tue 10/3

5:40 p.m.-12:05 a.m.

1 stop6h 25m

C$ 424

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Tue 19/5

6:30 a.m.-5:21 p.m.

2 stops10h 51m

Miami

Sun 24/5

7:00 a.m.-3:18 p.m.

1 stop8h 18m

C$ 447

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Thu 26/2

5:02 p.m.-11:20 p.m.

1 stop6h 18m

Miami

Tue 10/3

5:40 p.m.-12:05 a.m.

1 stop6h 25m

C$ 467

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Mon 2/3

7:10 a.m.-6:21 p.m.

2 stops11h 11m

Miami

Tue 10/3

12:01 p.m.-11:05 p.m.

2 stops11h 04m

C$ 483

BurlingtonMiami

BTV - MIA

BTVMIA

Burlington

Wed 4/3

5:12 a.m.-2:13 p.m.

1 stop9h 01m

C$ 171

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 16 results
1
2

Best time to book a flight from Burlington to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Burlington 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 Burlington to Key Largo

How far ahead should I book a flight from Burlington, Vermont to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Burlington to Key Largo. Price data was last updated on 23 January 2026.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Burlington, Vermont to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Burlington, Vermont to Key Largo?

Currently, March is the cheapest month in which you can book a flight from Burlington, Vermont to Key Largo (average of C$ 133). Flying from Burlington, Vermont to Key Largo in September is currently the most expensive (average of C$ 326). 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.

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 29 January 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Burlington to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,128 reviews
Check prices

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,128 reviews
Delta
7.9
Good
8,128 reviews
Check prices

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,128 reviews
Check prices

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,205 reviews
Delta
7.9
Good
8,128 reviews
Check prices

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Burlington 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 Burlington to Key Largo?

    Most people fly from Burlington (BTV) if they book a flight from Burlington to Key Largo. On average, Burlington has 0 outbound flights to Key Largo per day from 3 airlines. Burlington is conveniently located just 4.8 km from Burlington’s city centre.

  • How long is the flight from Burlington, Vermont to Key Largo?

    Airlines like Delta fly from Burlington, Vermont to Key Largo in about 8h 53m. The time it takes to get you to your destination can typically vary by up to . The distance between Burlington, Vermont and Key Largo is about 2173 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Burlington 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 Burlington, Vermont to Key Largo?

    Currently, March is the cheapest month in which you can book a flight from Burlington, Vermont to Key Largo (average of C$ 133). Flying from Burlington, Vermont to Key Largo in September is currently the most expensive (average of C$ 326). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Burlington to Key Largo

Discover the top 3 airlines that operate flights from Burlington 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 284AverageC$ 524FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 340AverageC$ 402FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 391AverageC$ 788FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Burlington to Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Burlington to Key Largo for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Key Largo from Burlington? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Burlington 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.