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$19+ Cheap flights from Key Largo, FL to Hartford (BDL)

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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BDL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Hartford Bradley Intl are usually found in March or September, booked 59 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap flight deals from Key Largo to Hartford

Keep the following information in mind while searching for Key Largo to Hartford flight deals. Data was last updated October 30, 2025.

Round-trip from

$53
(Kiwi.com)

One-way from

$19
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$272
From Key Largo to Hartford Bradley Intl
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One-way flight from Key Largo to Hartford Bradley Intl
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Key Largo to Hartford

Cheapest flights from Key Largo to Hartford
Explore the most affordable flight options available from Key Largo to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:35 pmMIA - BDL
Nonstop3h 06mFrontier
Mon 11/177:36 pmBDL - MIA
Nonstop3h 16mFrontier
Deal found 10/30$53
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:38 pmMIA - BDL
Nonstop3h 06mFrontier
Sun 11/167:39 pmBDL - MIA
Nonstop3h 16mFrontier
Deal found 10/30$54
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:38 pmMIA - BDL
Nonstop3h 06mFrontier
Sun 11/232:24 pmBDL - MIA
Nonstop3h 22mFrontier
Deal found 10/29$56
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:35 pmMIA - BDL
Nonstop3h 06mFrontier
Mon 11/107:36 pmBDL - MIA
Nonstop3h 16mFrontier
Deal found 10/30$63
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:35 pmMIA - BDL
Nonstop3h 06mFrontier
Sun 11/97:39 pmBDL - MIA
Nonstop3h 16mFrontier
Deal found 10/30$64
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:35 pmMIA - BDL
Nonstop3h 06mFrontier
Sat 11/1511:13 amBDL - MIA
1 stop6h 12mFrontier
Deal found 10/29$82
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1912:20 pmMIA - BDL
Nonstop3h 09mFrontier
Mon 12/224:30 pmBDL - MIA
Nonstop3h 28mFrontier
Deal found 10/28$107
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:38 pmMIA - BDL
Nonstop3h 06mMultiple Airlines
Sun 11/1610:59 amBDL - MIA
1 stop24h 01mMultiple Airlines
Deal found 10/30$123
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:21 pmMIA - BDL
1 stop19h 31mFrontier
Sun 11/232:24 pmBDL - MIA
Nonstop3h 22mFrontier
Deal found 10/29$126

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Hartford 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 October 30, 2025.
Use the filters below to find and compare flights from Key Largo to Hartford that are best for you.

Fly from

Key Largo

Fly to

Hartford

Route

Depart

Return

Price

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 11/14

6:55 am-11:40 am

1 stop4h 45m

Hartford Bradley Intl

Mon 11/17

3:40 pm-8:45 pm

1 stop5h 05m

$197

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 12/12

6:20 am-2:55 pm

1 stop8h 35m

Hartford Bradley Intl

Mon 12/15

4:55 pm-9:50 pm

1 stop4h 55m

$207

MiamiHartford

MIA - BDL

MIABDL

Miami

Thu 12/11

1:05 pm-9:25 pm

1 stop8h 20m

Hartford Bradley Intl

Sun 12/14

12:20 pm-5:50 pm

1 stop5h 30m

$207

MiamiHartford

MIA - BDL

MIABDL

Miami

Wed 12/24

11:45 am-7:54 pm

1 stop8h 09m

Hartford Bradley Intl

Wed 12/31

4:47 pm-12:31 am

1 stop7h 44m

$217

MiamiHartford

MIA - BDL

MIABDL

Miami

Wed 12/17

5:33 pm-11:38 pm

1 stop6h 05m

Hartford Bradley Intl

Sat 1/10

5:36 pm-12:51 am

1 stop7h 15m

$217

MiamiHartford

MIA - BDL

MIABDL

Miami

Sat 1/24

6:00 am-1:42 pm

1 stop7h 42m

Hartford Bradley Intl

Sun 1/25

5:00 pm-10:48 pm

1 stop5h 48m

$217

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 11/14

6:23 pm-11:48 pm

1 stop5h 25m

Hartford Bradley Intl

Sun 11/16

7:06 pm-12:46 am

1 stop5h 40m

$237

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 11/14

7:00 am-2:11 pm

1 stop7h 11m

Hartford Bradley Intl

Mon 11/17

6:00 am-2:50 pm

2 stops8h 50m

$242

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 12/12

2:29 pm-11:59 pm

2 stops9h 30m

Hartford Bradley Intl

Mon 12/15

6:00 am-4:42 pm

2 stops10h 42m

$266

MiamiHartford

MIA - BDL

MIABDL

Miami

Sun 12/21

8:39 pm-11:55 pm

Nonstop3h 16m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 20 results
1
2

Best time to book a flight from Key Largo to Hartford

Have a flexible travel schedule? Discover the best time to fly to Hartford 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 Hartford

How far ahead should I book a flight from Key Largo to Hartford?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Hartford. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Key Largo to Hartford, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Key Largo to Hartford?

Currently, December is the cheapest month in which you can book a flight from Key Largo to Hartford (average of $39). Flying from Key Largo to Hartford in July is currently the most expensive (average of $117). 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 BDL?

Find hourly flight availability from Key Largo to Hartford. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Key Largo to Hartford in the afternoon. Doing so could potentially save you 34% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Key Largo to Hartford?

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

Travelers seeking maximum savings on their Key Largo to Hartford flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Hartford

Get insights into the airlines that provide service to Hartford. 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 Hartford. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Southwest, American Airlines, and JetBlue from Key Largo to Hartford to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,034 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,906 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,116 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,123 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    Hartford Bradley Intl (BDL), located 11.9 mi from the city center, is the airport you fly into when you book flights from Key Largo to Hartford. 6 airlines have flights to Bradley Intl from Key Largo on a regular basis. Booking flights from Key Largo to Hartford Bradley Intl should not be difficult; the airport handles an average of 1 inbound flight from Key Largo per day.

  • How popular is this Key Largo to Hartford flight route?

    Within the past month, 1 users have taken a look at flights from Key Largo to Hartford Bradley Intl.

  • How long is the flight from Key Largo to Hartford?

    A quick flight from Key Largo to Hartford can take about 4h 45m. Southwest provides one of the quickest options available for as low as $197. Key Largo and Hartford are separated by a distance of 1195 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $90. Users have also found prices from $99 and $104 on Southwest and United Airlines, respectively.

  • What are the most reliable airlines from Key Largo to Hartford?

    Consider American Airlines (70%), Qatar Airways (70%) or Frontier (50%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to Hartford.

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

    On average you can expect to pay $108 for a flight from Key Largo to Hartford. The cheapest flight overall is $29 while the most popular route, (Miami - Hartford Bradley Intl) is currently priced at $64.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Hartford 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 Hartford?

    Currently, December is the cheapest month in which you can book a flight from Key Largo to Hartford (average of $39). Flying from Key Largo to Hartford in July is currently the most expensive (average of $117). 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 Hartford?

Book flights to Hartford if you plan to visit one of these locations
Uncasville
New Britain
Chicopee
Meriden
Cromwell
Windsor
Southington
Farmington
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Rocky Hill
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Newington
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West Hartford

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Alternative routes for Key Largo to Hartford

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Top 6 airlines flying from Key Largo to Hartford

Discover the top 6 airlines that operate flights from Key Largo to Hartford. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$46Average$123FlexibilityNo cancel feeOn-time65%
FrontierCheapest$48Average$129FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$68Average$209FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$334FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$166Average$250FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$166Average$347FlexibilityNo cancel feeOn-time71%

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