Key Largo

$94+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — MIA
jun 17 — jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Birmingham to Key Largo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Birmingham to Key Largo are usually found in April or May, booked 16 days in advance, depart on a Wednesday or Friday 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 junho 12, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$94
(Southwest)

Popular in

June

Cheapest in

April

Average price

$449
From Birmingham to Key Largo
One-way flight from Birmingham to Key Largo
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junho 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
seg 7/286:12 amBHM - MIA
Nonstop1h 58mAmerican Airlines
qua 9/39:39 pmMIA - BHM
Nonstop2h 08mAmerican Airlines
Deal found 6/12$159
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/247:40 pmBHM - MIA
1 stop4h 12mDelta
sáb 11/16:00 amMIA - BHM
1 stop6h 29mDelta
Deal found 6/11$181
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/155:15 pmBHM - MIA
1 stop3h 40mSouthwest
ter 10/286:55 amMIA - BHM
1 stop3h 35mSouthwest
Deal found 6/11$188
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 7/152:17 pmBHM - MIA
1 stop17h 58mSpirit Airlines
qua 7/165:16 pmMIA - BHM
1 stop21h 06mSpirit Airlines
Deal found 6/10$247

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 junho 12, 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

seg 7/28

6:12 am-9:10 am

Nonstop1h 58m

Miami

qua 9/3

9:39 pm-10:47 pm

Nonstop2h 08m

$159

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

sex 10/24

7:40 pm-12:52 am

1 stop4h 12m

Miami

sáb 11/1

6:00 am-11:29 am

1 stop6h 29m

$181

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

qua 10/15

5:15 pm-9:55 pm

1 stop3h 40m

Miami

ter 10/28

6:55 am-9:30 am

1 stop3h 35m

$188

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

ter 7/15

2:17 pm-9:15 am

1 stop17h 58m

Miami

qua 7/16

5:16 pm-1:22 pm

1 stop21h 06m

$247

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

qua 9/17

10:05 am-4:35 pm

1 stop5h 30m

$94

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

sáb 7/5

12:23 pm-8:00 pm

1 stop6h 37m

$113

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

sáb 7/12

7:32 pm-4:53 pm

2 stops20h 21m

$152

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

sáb 7/5

10:00 am-4:45 pm

1 stop5h 45m

$220

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

sáb 7/12

6:00 am-8:58 am

Nonstop1h 58m

$278

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

ter 7/22

7:30 am-3:10 pm

1 stop6h 40m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 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 $228). 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 junho 12, 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 junho 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Birmingham to Key Largo to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

  • 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 $94 on Southwest. Other airlines that offer cheap prices include Spirit Airlines from $113 and Delta from $220 one-way.

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

    Consider Iberia (80%), Envoy Air (78%) or Qatar Airways (67%) 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 $184. While the most popular route (Birmingham - Miami) can be booked for $181 on average our data indicates $825 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 $228). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Birmingham to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

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 junho 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$116FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$178Average$386FlexibilityNo cancel feeOn-time71%
DeltaCheapest$188Average$425FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$256Average$404FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.