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Key Largo

$89+ Cheap flights from Birmingham, AL (BHM) to Key Largo, FL

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — MIA
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Birmingham to Key Largo are usually found in August or September, booked 16 days in advance, depart on a Friday or Saturday and return on a Wednesday

Cheap flight deals from Birmingham to Key Largo

Cheapest flights from Birmingham to Key Largo
Explore the most affordable flight options available from Birmingham to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/19. 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.
Wed 12/316:11 pmBHM - MIA
Nonstop2h 02mAmerican Airlines
Fri 1/910:51 pmMIA - BHM
Nonstop2h 06mAmerican Airlines
Deal found 12/19$325
This Delta deal was found by Cheapflights users on 12/19. 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.
Wed 12/314:19 pmBHM - MIA
1 stop4h 49mDelta
Fri 1/95:32 pmMIA - BHM
1 stop4h 42mDelta
Deal found 12/19$345
This Southwest deal was found by Cheapflights users on 12/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 amBHM - MIA
2 stops8h 35mSouthwest
Fri 1/97:15 amMIA - BHM
1 stop5h 45mSouthwest
Deal found 12/19$350
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/305:00 amBHM - MIA
Nonstop2h 02mAmerican Airlines
Fri 1/910:51 pmMIA - BHM
Nonstop2h 06mAmerican Airlines
Deal found 12/20$360
This Delta deal was found by Cheapflights users on 12/20. 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 12/307:20 pmBHM - MIA
1 stop4h 28mDelta
Fri 1/97:15 amMIA - BHM
1 stop4h 18mDelta
Deal found 12/20$380
This Delta deal was found by Cheapflights users on 12/19. 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.
Wed 12/246:20 amBHM - MIA
1 stop5h 36mDelta
Wed 12/317:25 amMIA - BHM
1 stop5h 48mDelta
Deal found 12/19$476
This American Airlines deal was found by Cheapflights users on 12/19. 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 12/206:11 pmBHM - MIA
Nonstop2h 02mAmerican Airlines
Tue 12/2310:50 pmMIA - BHM
Nonstop2h 09mAmerican Airlines
Deal found 12/19$491

Find flight deals from Birmingham to Key Largo

Keep the following information in mind while searching for Birmingham to Key Largo flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$177
(American Airlines)

One-way from

$89
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$390
Provider with most accurate pricing for Birmingham-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Birmingham-Miami flights.
Search Deals
From Birmingham to Key Largo
Search Deals
One-way flight from Birmingham to Key Largo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% 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 Birmingham 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 December 21, 2025.
Use the filters below to find and compare flights from Birmingham to Key Largo that are best for you.

Fly from

Birmingham

Fly to

Key Largo

Route

Depart

Return

Price

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 2/3

6:00 am-9:05 am

Nonstop2h 05m

Miami

Tue 2/10

10:51 pm-11:57 pm

Nonstop2h 06m

$177

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 1/28

5:20 am-10:40 am

1 stop4h 20m

Miami

Tue 2/3

1:21 pm-5:50 pm

1 stop5h 29m

$197

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 1/28

2:40 pm-8:05 pm

1 stop4h 25m

Miami

Tue 2/3

7:15 am-4:40 pm

2 stops10h 25m

$202

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 2/4

6:39 pm-9:38 pm

Nonstop1h 59m

Miami

Mon 2/9

5:00 pm-6:09 pm

Nonstop2h 09m

$203

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 2/7

6:39 pm-9:38 pm

Nonstop1h 59m

Miami

Fri 2/13

10:45 pm-11:52 pm

Nonstop2h 07m

$203

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Thu 1/22

5:22 pm-12:51 am

1 stop6h 29m

Miami

Tue 1/27

3:25 pm-7:39 pm

1 stop5h 14m

$223

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Thu 1/22

2:40 pm-8:05 pm

1 stop4h 25m

Miami

Tue 1/27

7:15 am-12:00 pm

1 stop5h 45m

$223

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Thu 1/29

6:39 pm-9:38 pm

Nonstop1h 59m

Miami

Mon 2/2

10:51 pm-11:57 pm

Nonstop2h 06m

$229

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 1/17

10:18 am-5:41 pm

1 stop6h 23m

Miami

Tue 1/20

10:51 pm-11:57 pm

Nonstop2h 06m

$243

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 1/20

6:00 pm-10:48 pm

1 stop3h 48m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 15 results
1
2

Best time to book a flight from Birmingham to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Birmingham to Key Largo. Price data was last updated on December 12, 2025.

The price you pay for your flight from Birmingham, Alabama to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Birmingham, Alabama to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Birmingham, Alabama to Key Largo (average of $55). Flying from Birmingham, Alabama to Key Largo in October is currently the most expensive (average of $152). 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 BHM to KE9?

Find hourly flight availability from Birmingham to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

It’s optimal to fly from Birmingham, Alabama to Key Largo at noon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Birmingham, Alabama to Key Largo?

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

Travelers seeking maximum savings on their Birmingham, Alabama to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 21, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Birmingham to Key Largo 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
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
Delta
7.9
Good
8,021 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
11,050 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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
8,194 reviews
Southwest
8.0
Very good
4,256 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

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 Birmingham 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 Birmingham to Key Largo?

    Most people fly from Birmingham (BHM) if they book a flight from Birmingham to Key Largo. On average, Birmingham has 3 outbound flights to Key Largo per day from 4 airlines. Birmingham is conveniently located just 4.3 mi from Birmingham’s city center.

  • How popular is this Birmingham, Alabama to Key Largo flight route?

    Flights from Birmingham to Key Largo have been viewed 5 times in the past calendar month.

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

    Departing from Birmingham, Alabama to Key Largo will take you 2h 05m. The distance from Birmingham, Alabama to Key Largo is about 661 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $32 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $84 and Delta from $98 one-way.

  • What are the most reliable airlines from Birmingham, Alabama to Key Largo?

    Consider Finnair (100%), Envoy Air (88%) or Qatar Airways (87%) when booking your flight. These represent the most reliable airlines when flying from Birmingham, Alabama to Key Largo.

  • What are the cheapest flights from Birmingham, Alabama to Key Largo?

    Looking at all options, your cheapest flight can be booked for $114. While the most popular route (Birmingham - Miami) can be booked for $197 on average, our data indicates $475 when flying from Birmingham, Alabama to Key Largo.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Birmingham, Alabama to Key Largo (average of $55). Flying from Birmingham, Alabama to Key Largo in October is currently the most expensive (average of $152). 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 4 airlines flying from Birmingham to Key Largo

Discover the top 4 airlines that operate flights from Birmingham 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$133FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$169Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$188Average$434FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$243Average$407FlexibilityNo cancel feeOn-time63%

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