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$54+ 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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BDL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 October, booked 59 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/15. 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.
Mon 12/2912:20 pmMIA - BDL
Nonstop3h 09mFrontier
Mon 1/54:30 pmBDL - MIA
Nonstop3h 28mFrontier
Deal found 12/15$111
This Frontier deal was found by Cheapflights users on 12/15. 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 12/2612:20 pmMIA - BDL
Nonstop3h 09mFrontier
Thu 1/112:05 pmBDL - MIA
1 stop7h 25mFrontier
Deal found 12/15$136
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/2612:20 pmMIA - BDL
Nonstop3h 09mFrontier
Fri 1/24:30 pmBDL - MIA
Nonstop3h 28mFrontier
Deal found 12/15$148
This Frontier deal was found by Cheapflights users on 12/15. 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.
Mon 12/2912:20 pmMIA - BDL
Nonstop3h 09mFrontier
Fri 1/24:30 pmBDL - MIA
Nonstop3h 28mFrontier
Deal found 12/15$161
This CheapOair deal was found by Cheapflights users on 12/15. 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.
Tue 12/305:30 amMIA - BDL
1 stop5h 40mFrontier
Sun 1/412:05 pmBDL - MIA
1 stop7h 25mFrontier
Deal found 12/15$165
This Frontier deal was found by Cheapflights users on 12/15. 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 12/1912:20 pmMIA - BDL
Nonstop3h 09mFrontier
Thu 1/112:05 pmBDL - MIA
1 stop12h 42mFrontier
Deal found 12/15$166
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Tue 12/235:30 amMIA - BDL
1 stop5h 40mFrontier
Thu 1/112:05 pmBDL - MIA
1 stop12h 42mFrontier
Deal found 12/16$174
This Frontier deal was found by Cheapflights users on 12/15. 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 12/255:30 amMIA - BDL
1 stop5h 40mFrontier
Thu 1/112:05 pmBDL - MIA
1 stop7h 25mFrontier
Deal found 12/15$198
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Mon 12/2212:20 pmMIA - BDL
Nonstop3h 09mFrontier
Fri 1/24:30 pmBDL - MIA
Nonstop3h 28mFrontier
Deal found 12/16$212

Find 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 December 18, 2025.

Round-trip from

$150
(Frontier)

One-way from

$54
(Expedia)

Popular in

February

Cheapest in

March

Average price

$240
From Key Largo to Hartford Bradley Intl
Search Deals
One-way flight from Key Largo to Hartford Bradley Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 1/23

7:55 am-2:50 pm

1 stop6h 55m

Hartford Bradley Intl

Sun 1/25

6:00 am-11:15 am

1 stop5h 15m

$177

MiamiHartford

MIA - BDL

MIABDL

Miami

Sat 1/10

9:19 pm-7:24 pm

2 stops46h 05m

Hartford Bradley Intl

Sun 1/18

6:00 am-6:09 pm

1 stop12h 09m

$190

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 1/9

6:32 pm-11:55 pm

1 stop5h 23m

Hartford Bradley Intl

Mon 1/12

5:35 pm-12:51 am

1 stop7h 16m

$217

MiamiHartford

MIA - BDL

MIABDL

Miami

Sat 1/24

7:15 am-1:59 pm

1 stop6h 44m

Hartford Bradley Intl

Sun 1/25

2:49 pm-8:44 pm

1 stop5h 55m

$217

MiamiHartford

MIA - BDL

MIABDL

Miami

Wed 1/28

10:33 am-5:43 pm

1 stop7h 10m

Hartford Bradley Intl

Sun 2/1

5:00 pm-12:51 am

1 stop7h 51m

$217

MiamiHartford

MIA - BDL

MIABDL

Miami

Sat 1/24

6:25 pm-11:44 pm

1 stop5h 19m

Hartford Bradley Intl

Sun 1/25

6:00 am-5:15 pm

2 stops11h 15m

$222

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 1/9

2:49 pm-11:44 pm

2 stops8h 55m

Hartford Bradley Intl

Mon 1/12

6:00 am-2:38 pm

2 stops8h 38m

$227

MiamiHartford

MIA - BDL

MIABDL

Miami

Wed 1/21

2:32 pm-11:44 pm

2 stops9h 12m

Hartford Bradley Intl

Thu 1/22

3:00 pm-11:59 pm

2 stops8h 59m

$227

MiamiHartford

MIA - BDL

MIABDL

Miami

Thu 1/22

9:00 am-7:14 pm

2 stops10h 14m

Hartford Bradley Intl

Wed 1/28

6:00 am-3:05 pm

2 stops9h 05m

$227

MiamiHartford

MIA - BDL

MIABDL

Miami

Fri 1/23

8:44 pm-11:51 pm

Nonstop3h 07m

Hartford Bradley Intl

Sun 1/25

11:30 am-7:10 pm

1 stop7h 40m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 24 results
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2
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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 December 12, 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, January is the cheapest month in which you can book a flight from Key Largo to Hartford (average of $58). Flying from Key Largo to Hartford in November is currently the most expensive (average of $127). 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 December 18, 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 Sunday mornings when fares are most often at their lowest. Saturday evenings 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 December 18, 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
7.9
Good
4,249 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,053 reviews
Southwest
7.9
Good
4,249 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,895 reviews
Southwest
7.9
Good
4,249 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,190 reviews
Southwest
7.9
Good
4,249 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,082 reviews
Southwest
7.9
Good
4,249 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 2 inbound flights from Key Largo per day.

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

    Within the past month, 2 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 5h 23m. Southwest provides one of the quickest options available for as low as $217. 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 Frontier. According to our data, you can fly for as low as $34. Users have also found prices from $44 and $49 on Spirit Airlines and JetBlue, respectively.

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

    Consider Frontier (84%), American Airlines (81%) or Qatar Airways (81%) 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 $180 for a flight from Key Largo to Hartford. The cheapest flight overall is $37 while the most popular route, (Miami - Hartford Bradley Intl) is currently priced at $157.

  • 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, January is the cheapest month in which you can book a flight from Key Largo to Hartford (average of $58). Flying from Key Largo to Hartford in November is currently the most expensive (average of $127). 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
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Southington
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See prices for flight routes from nearby airports that may be better suited for you.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$112FlexibilityNo cancel feeOn-time65%
FrontierCheapest$54Average$133FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$74Average$217FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$336FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$153Average$292FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$165Average$349FlexibilityNo cancel feeOn-time71%

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