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Key Largo

$168+ Cheap flights from Montgomery, AL (MGM) to Key Largo, FL

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — MIA
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Montgomery to Key Largo

Keep the following information in mind while searching for Montgomery to Key Largo flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$168
(American Airlines)

Popular in

February

Cheapest in

January

Average price

$231
Provider with most accurate pricing for Montgomery Dannelly Field-Miami flight deals.
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Provider most trusted by Cheapflights users for Montgomery Dannelly Field-Miami flights.
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From Montgomery Dannelly Field to Key Largo
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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Montgomery to Key Largo

Cheapest flights from Montgomery to Key Largo
Explore the most affordable flight options available from Montgomery to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This American Airlines deal was found by Cheapflights users on 1/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
MGM
-
MIA
1 stop6h 26m
American Airlines
Wed 3/46:24 pm
MIA
-
MGM
1 stop5h 24m
American Airlines
Deal found 1/12$168
This Delta deal was found by Cheapflights users on 1/12. 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 5/195:55 pm
MGM
-
MIA
1 stop6h 01m
Delta
Sat 5/238:05 am
MIA
-
MGM
1 stop4h 42m
Delta
Deal found 1/12$188
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/312:03 pm
MGM
-
MIA
1 stop6h 07m
American Airlines
Sat 2/77:07 am
MIA
-
MGM
1 stop7h 29m
American Airlines
Deal found 1/11$201
This Delta deal was found by Cheapflights users on 1/12. 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 4/146:26 pm
MGM
-
MIA
1 stop5h 24m
Delta
Tue 4/2110:26 am
MIA
-
MGM
1 stop4h 35m
Delta
Deal found 1/12$212
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:00 pm
MGM
-
MIA
1 stop8h 28m
United Airlines
Tue 4/289:00 am
MIA
-
MGM
1 stop8h 25m
United Airlines
Deal found 1/12$216
This Delta deal was found by Cheapflights users on 1/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2312:43 pm
MGM
-
MIA
1 stop4h 37m
Delta
Mon 1/265:50 am
MIA
-
MGM
1 stop7h 12m
Delta
Deal found 1/10$241
This American Airlines deal was found by Cheapflights users on 1/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/232:03 pm
MGM
-
MIA
1 stop6h 07m
American Airlines
Mon 1/266:45 pm
MIA
-
MGM
1 stop4h 45m
American Airlines
Deal found 1/12$267
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/72:03 pm
MGM
-
MIA
1 stop6h 07m
American Airlines
Sat 2/145:30 pm
MIA
-
MGM
1 stop7h 13m
American Airlines
Deal found 1/11$286
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/182:03 pm
MGM
-
MIA
1 stop6h 07m
American Airlines
Sat 2/78:35 am
MIA
-
MGM
1 stop6h 01m
American Airlines
Deal found 1/11$296
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:00 pm
MGM
-
MIA
1 stop7h 50m
United Airlines
Sun 8/29:00 am
MIA
-
MGM
1 stop8h 22m
United Airlines
Deal found 1/12$301
This Delta deal was found by Cheapflights users on 1/12. 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.
Sat 7/183:45 pm
MGM
-
MIA
1 stop6h 03m
Delta
Sat 7/257:00 am
MIA
-
MGM
1 stop5h 48m
Delta
Deal found 1/12$302
This United Airlines deal was found by Cheapflights users on 1/11. 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.
Thu 7/91:00 pm
MGM
-
MIA
1 stop7h 50m
United Airlines
Sun 7/127:00 am
MIA
-
MGM
1 stop5h 55m
United Airlines
Deal found 1/11$309

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montgomery 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 2,558,603 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Montgomery to Key Largo that are best for you.

Fly from

Montgomery

Fly to

Key Largo

Route

Depart

Return

Price

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Tue 5/19

5:55 pm-12:56 am

1 stop6h 01m

Miami

Sat 5/23

7:00 am-11:47 am

1 stop5h 47m

$188

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Tue 4/14

6:26 pm-12:50 am

1 stop5h 24m

Miami

Tue 4/21

10:26 am-2:01 pm

1 stop4h 35m

$212

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Thu 6/18

1:00 pm-9:50 pm

1 stop7h 50m

Miami

Tue 6/23

9:00 am-4:22 pm

1 stop8h 22m

$216

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Fri 4/24

1:00 pm-10:28 pm

1 stop8h 28m

Miami

Tue 4/28

9:00 am-4:25 pm

1 stop8h 25m

$216

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Fri 1/23

2:03 pm-9:10 pm

1 stop6h 07m

Miami

Mon 1/26

6:45 pm-10:30 pm

1 stop4h 45m

$241

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Fri 1/23

12:43 pm-6:20 pm

1 stop4h 37m

Miami

Mon 1/26

5:50 am-12:02 pm

1 stop7h 12m

$241

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Sat 2/7

2:03 pm-9:10 pm

1 stop6h 07m

Miami

Sat 2/14

5:30 pm-11:43 pm

1 stop7h 13m

$286

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Thu 7/9

1:00 pm-9:50 pm

1 stop7h 50m

Miami

Sun 7/12

7:00 am-11:55 am

1 stop5h 55m

$309

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Fri 4/24

1:00 pm-10:28 pm

1 stop8h 28m

Miami

Sun 4/26

6:15 am-11:55 am

1 stop6h 40m

$327

MontgomeryMiami

MGM - MIA

MGMMIA

Montgomery Dannelly Field

Thu 5/28

1:00 pm-8:25 pm

1 stop6h 25m

Miami

Sun 5/31

9:00 am-4:22 pm

1 stop8h 22m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Montgomery to Key Largo

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

How far ahead should I book a flight from Montgomery, Alabama to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Montgomery to Key Largo. Price data was last updated on January 9, 2026.

To ensure you get the cheapest price possible for a flight from Montgomery, Alabama to Key Largo, you should look to book at least 75 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 Montgomery, Alabama to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Montgomery, Alabama to Key Largo (average of $54). Flying from Montgomery, Alabama to Key Largo in December is currently the most expensive (average of $223). 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 January 12, 2026.
See what other customers who have flown with Delta and American Airlines from Montgomery 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.
Delta
7.9
Good
8,039 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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
8,039 reviews
Delta
7.9
Good
8,039 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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
11,114 reviews
Delta
7.9
Good
8,039 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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 Montgomery 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 Montgomery to Key Largo?

    Most people fly from Montgomery Dannelly Field (MGM) if they book a flight from Montgomery to Key Largo. On average, Dannelly Field has 0 outbound flights to Key Largo per day from 2 airlines. Montgomery Dannelly Field is conveniently located just 7.1 mi from Montgomery’s city center.

  • How long is the flight from Montgomery, Alabama to Key Largo?

    Airlines like Delta and United Airlines fly from Montgomery, Alabama to Key Largo in about 6h 01m. The time it takes to get you to your destination can typically vary by up to 1h 49m. There are 581 mi between Montgomery, Alabama and Key Largo. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montgomery 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 Montgomery, Alabama to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Montgomery, Alabama to Key Largo (average of $54). Flying from Montgomery, Alabama to Key Largo in December is currently the most expensive (average of $223). 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

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Top 2 airlines flying from Montgomery to Key Largo

Discover the top 2 airlines that operate flights from Montgomery 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 2,558,603 searches. Data last updated January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$186Average$401FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$220Average$449FlexibilityNo cancel feeOn-time71%

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