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Key Largo

$105+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — MIA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Birmingham to Key Largo are usually found in August or April, booked 16 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap 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 September 15, 2025.

Round-trip from

$199
(American Airlines)

One-way from

$105
(Delta)

Popular in

June

Cheapest in

August

Average price

$346
From Birmingham to Key Largo
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One-way flight from Birmingham to Key Largo
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Highest demand for flights based on searches. 5% potential increase in price ($21 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 September 2025
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Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/186:57 pmBHM - MIA
Nonstop1h 56mAmerican Airlines
Sun 10/268:40 amMIA - BHM
Nonstop2h 05mAmerican Airlines
Deal found 9/12$199
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/1111:32 amBHM - MIA
Nonstop2h 04mAmerican Airlines
Sun 10/128:40 amMIA - BHM
Nonstop2h 05mAmerican Airlines
Deal found 9/12$210
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/2910:55 amBHM - MIA
Nonstop1h 57mAmerican Airlines
Wed 11/55:02 pmMIA - BHM
Nonstop2h 06mAmerican Airlines
Deal found 9/14$211
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/106:37 pmBHM - MIA
Nonstop1h 57mAmerican Airlines
Tue 1/203:30 pmMIA - BHM
Nonstop2h 08mAmerican Airlines
Deal found 9/13$214
This Delta deal was found by Cheapflights users on 9/13. 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 11/119:08 amBHM - MIA
1 stop5h 39mDelta
Mon 11/177:25 pmMIA - BHM
1 stop4h 26mDelta
Deal found 9/13$219
This Southwest deal was found by Cheapflights users on 9/13. 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 12/101:30 pmBHM - MIA
1 stop5h 55mSouthwest
Tue 1/207:55 amMIA - BHM
1 stop9h 45mSouthwest
Deal found 9/13$222
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 10/282:30 pmBHM - MIA
1 stop5h 05mSouthwest
Fri 10/316:50 amMIA - BHM
1 stop3h 35mSouthwest
Deal found 9/14$223
This Delta deal was found by Cheapflights users on 9/14. 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 10/115:57 pmBHM - MIA
1 stop5h 32mDelta
Tue 10/147:10 amMIA - BHM
1 stop5h 56mDelta
Deal found 9/14$229
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/2711:35 amBHM - MIA
Nonstop1h 58mAmerican Airlines
Sat 10/49:39 pmMIA - BHM
Nonstop2h 08mAmerican Airlines
Deal found 9/14$230

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 September 15, 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

Mon 11/10

10:09 am-1:08 pm

Nonstop1h 59m

Miami

Sat 11/15

8:30 am-9:39 am

Nonstop2h 09m

$209

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 10/25

11:32 am-2:36 pm

Nonstop2h 04m

Miami

Sun 10/26

8:40 am-9:45 am

Nonstop2h 05m

$209

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 10/18

6:57 pm-9:53 pm

Nonstop1h 56m

Miami

Sun 10/26

8:40 am-9:45 am

Nonstop2h 05m

$209

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 11/11

10:09 am-1:08 pm

Nonstop1h 59m

Miami

Mon 11/17

8:30 am-9:39 am

Nonstop2h 09m

$209

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 11/11

9:08 am-3:47 pm

1 stop5h 39m

Miami

Mon 11/17

7:25 pm-10:51 pm

1 stop4h 26m

$219

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 10/25

5:57 pm-12:29 am

1 stop5h 32m

Miami

Thu 10/30

8:11 am-12:06 pm

1 stop4h 55m

$229

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 10/11

5:57 pm-12:29 am

1 stop5h 32m

Miami

Tue 10/14

7:10 am-12:06 pm

1 stop5h 56m

$229

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Mon 11/10

7:38 pm-12:48 am

1 stop4h 10m

Miami

Sat 11/15

7:00 am-12:13 pm

1 stop6h 13m

$229

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 10/14

6:24 am-1:11 pm

1 stop5h 47m

Miami

Sat 10/18

6:00 am-8:38 am

1 stop3h 38m

$229

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Sat 10/11

5:57 pm-12:29 am

1 stop5h 32m

Miami

Sat 10/18

6:00 am-8:38 am

1 stop3h 38m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
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2
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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 September 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 $232). Flying from Birmingham, Alabama to Key Largo in March is currently the most expensive (average of $289). 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 September 15, 2025.

When flying from Birmingham, Alabama to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Wednesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Birmingham, Alabama to Key Largo

Explore weekly flight availability from Birmingham to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from BHM to KE9 are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 September 15, 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
4,245 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

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
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

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
Delta
8.0
Very good
7,956 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

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
8,016 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

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 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 5 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 4 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 1h 59m. 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 most reliable airlines from Birmingham, Alabama to Key Largo?

    Consider Iberia (89%), Envoy Air (75%) or American Airlines (72%) 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 $113. While the most popular route (Birmingham - Miami) can be booked for $219 on average, our data indicates $563 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 $232). Flying from Birmingham, Alabama to Key Largo in March is currently the most expensive (average of $289). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$126FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$169Average$388FlexibilityNo cancel feeOn-time71%
DeltaCheapest$188Average$422FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$243Average$407FlexibilityNo cancel feeOn-time63%

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