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$126+ Cheap flights from Key Largo, FL to Burlington, VT (BTV)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BTV
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Key Largo to Burlington

Keep the following information in mind while searching for Key Largo to Burlington flight deals. Data was last updated June 12, 2025.

Round-trip from

$260
(American Airlines)

One-way from

$126
(Delta)

Popular in

April

Cheapest in

July

Average price

$493
From Key Largo to Burlington
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One-way flight from Key Largo to Burlington
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Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Key Largo to Burlington

Cheapest flights from Key Largo to Burlington
Explore the most affordable flight options available from Key Largo to Burlington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/123:30 pmMIA - BTV
1 stop6h 55mDelta
Mon 8/186:14 amBTV - MIA
1 stop7h 19mDelta
Deal found 6/12$260
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/126:40 pmMIA - BTV
1 stop5h 04mAmerican Airlines
Mon 8/186:22 pmBTV - MIA
1 stop5h 26mAmerican Airlines
Deal found 6/10$261
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:27 pmMIA - BTV
2 stops10h 48mUnited Airlines
Sun 8/246:35 amBTV - MIA
1 stop5h 41mUnited Airlines
Deal found 6/11$326
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1012:46 pmMIA - BTV
2 stops28h 49mMultiple Airlines
Thu 7/1712:14 pmBTV - MIA
3 stops28h 59mMultiple Airlines
Deal found 6/11$607

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Burlington 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 June 12, 2025.
Use the filters below to find and compare flights from Key Largo to Burlington that are best for you.

Fly from

Key Largo

Fly to

Burlington

Route

Depart

Return

Price

MiamiBurlington

MIA - BTV

MIABTV

Miami

Tue 8/12

3:30 pm-10:25 pm

1 stop6h 55m

Burlington

Mon 8/18

6:14 am-1:33 pm

1 stop7h 19m

$260

MiamiBurlington

MIA - BTV

MIABTV

Miami

Tue 8/12

6:40 pm-11:44 pm

1 stop5h 04m

Burlington

Mon 8/18

6:22 pm-11:48 pm

1 stop5h 26m

$261

MiamiBurlington

MIA - BTV

MIABTV

Miami

Fri 8/22

12:27 pm-11:15 pm

2 stops10h 48m

Burlington

Sun 8/24

6:35 am-12:16 pm

1 stop5h 41m

$326

MiamiBurlington

MIA - BTV

MIABTV

Miami

Thu 7/10

12:46 pm-5:35 pm

2 stops28h 49m

Burlington

Thu 7/17

12:14 pm-5:13 pm

3 stops28h 59m

$607

MiamiBurlington

MIA - BTV

MIABTV

Miami

Tue 8/12

2:45 pm-10:42 pm

1 stop7h 57m

$126

MiamiBurlington

MIA - BTV

MIABTV

Miami

Tue 7/1

6:45 am-12:06 pm

1 stop5h 21m

$219

MiamiBurlington

MIA - BTV

MIABTV

Miami

Tue 7/1

8:55 pm-10:36 am

3 stops37h 41m

$249

MiamiBurlington

MIA - BTV

MIABTV

Miami

Sun 7/13

1:35 pm-11:10 pm

2 stops9h 35m

$459

MiamiBurlington

MIA - BTV

MIABTV

Miami

Fri 6/27

6:20 pm-9:41 pm

3 stops27h 21m

$1,374

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Key Largo to Burlington

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

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

Currently, January is the cheapest month in which you can book a flight from Key Largo to Burlington, Vermont (average of $327). Flying from Key Largo to Burlington, Vermont in December is currently the most expensive (average of $441). 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 KE9 to BTV?

Find hourly flight availability from Key Largo to Burlington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Burlington, Vermont as you normally would.

What is the cheapest day to fly from Key Largo to Burlington, Vermont?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Burlington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Burlington, Vermont flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Burlington by month

Plan your trip to Burlington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Burlington, Vermont ranges from 1.7 - 3.9 inches per month. July is typically the wettest month, when rainfall can reach 3.9 in. February is typically the driest time to visit Burlington, Vermont when rainfall is around 1.7 in.

Temperature in Burlington by month

Plan your trip to Burlington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Burlington, Vermont, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

Reviews of airlines servicing Burlington

Get insights into the airlines that provide service to Burlington. 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 Burlington. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Key Largo to Burlington. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

    Most people fly into Burlington (BTV) if they book a flight to Burlington from Key Largo. On average, Burlington has 0 inbound flights from Key Largo per day from 3 airlines. Burlington is conveniently located just 3.0 mi from Burlington’s city center.

  • What are the cheapest airlines to fly from Key Largo to Burlington, Vermont one-way?

    $126 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $219 and $459, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Burlington, Vermont (average of $327). Flying from Key Largo to Burlington, Vermont in December is currently the most expensive (average of $441). 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

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Saint Albans
South Burlington
Shelburne

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Top 3 airlines flying from Key Largo to Burlington

Discover the top 3 airlines that operate flights from Key Largo to Burlington. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$347FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$498FlexibilityNo cancel feeOn-time69%

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