HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$85+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — MIA
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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 August or September, booked 52 days in advance, depart on a Friday or Saturday and return on a Saturday

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 July 11, 2026.

This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:25 pm
BHM
-
MIA
1 stop3h 40m
Southwest
Fri 8/216:25 pm
MIA
-
BHM
1 stop4h 15m
Southwest
Deal found 7/10$169
This Southwest deal was found by Cheapflights users on 7/8. 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.
Thu 8/65:25 pm
BHM
-
MIA
1 stop3h 40m
Southwest
Thu 8/136:25 pm
MIA
-
BHM
1 stop4h 15m
Southwest
Deal found 7/8$184
This Southwest deal was found by Cheapflights users on 7/9. 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 8/117:50 am
BHM
-
MIA
2 stops11h 20m
Southwest
Wed 8/1911:50 am
MIA
-
BHM
2 stops10h 50m
Southwest
Deal found 7/9$185
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:43 am
BHM
-
MIA
1 stop12h 10m
Multiple Airlines
Thu 8/273:30 pm
MIA
-
BHM
1 stop21h 09m
Multiple Airlines
Deal found 7/10$187
This Southwest deal was found by Cheapflights users on 7/9. 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.
Thu 7/302:40 pm
BHM
-
MIA
1 stop7h 40m
Southwest
Tue 8/47:10 am
MIA
-
BHM
2 stops10h 35m
Southwest
Deal found 7/9$189
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/87:25 am
BHM
-
MIA
1 stop10h 50m
Southwest
Thu 8/136:25 pm
MIA
-
BHM
1 stop4h 15m
Southwest
Deal found 7/7$190
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 8/1010:40 am
BHM
-
MIA
2 stops10h 25m
Southwest
Fri 8/146:20 am
MIA
-
BHM
2 stops14h 45m
Southwest
Deal found 7/9$191
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:10 am
BHM
-
MIA
2 stops10h 05m
Southwest
Sun 8/236:05 am
MIA
-
BHM
2 stops7h 00m
Southwest
Deal found 7/10$195
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 8/32:40 pm
BHM
-
MIA
1 stop7h 40m
Southwest
Mon 8/107:00 am
MIA
-
BHM
1 stop3h 55m
Southwest
Deal found 7/9$199

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$169
(Southwest)

One-way from

$85
(Southwest)

Popular in

June

Cheapest in

August

Average price

$451
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. 16% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 11, 2026.
Use the filters below to find and compare flights from Birmingham to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 8/11

7:50 am-8:15 pm

2 stops11h 25m

Miami

Wed 8/19

11:50 am-4:45 pm

1 stop5h 55m

$175
Quickest round-trip

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Thu 8/6

5:25 pm-10:05 pm

1 stop3h 40m

Miami

Sat 8/8

7:00 am-9:40 am

1 stop3h 40m

$184

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 8/12

7:50 am-8:10 pm

2 stops11h 20m

Miami

Tue 8/18

6:05 pm-9:40 pm

1 stop4h 35m

$216

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Fri 8/21

5:25 pm-10:05 pm

1 stop3h 40m

Miami

Mon 8/24

4:50 pm-8:05 pm

1 stop4h 15m

$221

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Thu 8/6

5:25 pm-10:05 pm

1 stop3h 40m

Miami

Thu 8/13

7:00 am-12:25 pm

2 stops6h 25m

$233

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 8/26

7:25 am-8:15 pm

2 stops11h 50m

Miami

Mon 8/31

7:00 am-12:25 pm

2 stops6h 25m

$265

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 7/29

5:15 pm-10:15 pm

1 stop4h 00m

Miami

Sun 8/2

5:35 am-8:40 am

1 stop4h 05m

$324

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Mon 9/28

5:25 pm-10:05 pm

1 stop3h 40m

Miami

Fri 10/2

6:40 am-11:35 am

1 stop5h 55m

$329
Cheapest one-way

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Tue 7/28

5:15 pm-10:15 pm

1 stop4h 00m

$100

BirminghamMiami

BHM - MIA

BHMMIA

Birmingham

Wed 7/29

5:00 am-2:25 pm

2 stops8h 25m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 19 resultsSorted by cheapest first
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

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 July 11, 2026.

It’s optimal to fly from Birmingham, Alabama to Key Largo at noon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the evening.

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 July 11, 2026.

The most flights from BHM to KE9 are scheduled on a Friday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Birmingham, Alabama to Key Largo?

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 July 11, 2026.

Travelers seeking maximum savings on their Birmingham, Alabama to Key Largo flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday 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 July 11, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican 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
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
7.9
Good
4,248 reviews
Southwest
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Delta
7.8
Good
8,457 reviews
Southwest
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,805 reviews
Southwest
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 19 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 11h 25m. The distance from Birmingham, Alabama to Key Largo is about 661 mi.

  • 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 $125 on Delta. Other airlines that offer cheap prices include American Airlines from $125 and Southwest from $145 one-way.

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

    Consider GOL (100%), Republic Airways (100%) or Qatar Airways (93%) 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 $190. While the most popular route (Birmingham - Miami) can be booked for $169 on average, our data indicates $1,542 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.

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.
Atlanta to Miami flights
Atlanta to Orlando flights
Atlanta to Fort Lauderdale flights
Atlanta to Tampa flights
Atlanta to West Palm Beach flights
Pensacola to Miami flights
Chattanooga to Orlando flights
Birmingham to Orlando flights
Atlanta to Key West flights
Atlanta to Jacksonville flights
Atlanta to Fort Myers flights
Pensacola to Orlando flights
Huntsville to Orlando flights
Atlanta to Sarasota flights
Pensacola to Fort Lauderdale flights
Chattanooga to Miami flights
Birmingham to Miami flights
Chattanooga to Orlando Sanford Intl flights
Atlanta to Panama City flights
Birmingham to Tampa flights
Atlanta to Pensacola flights
Mobile to Miami flights
Huntsville to Miami flights
Pensacola to Tampa flights
Chattanooga to Fort Lauderdale flights
Huntsville to Fort Lauderdale flights
Huntsville to Tampa flights
Pensacola to Key West flights
Chattanooga to Sarasota flights
Valparaiso to Miami flights
Birmingham to Fort Lauderdale flights
Birmingham to Jacksonville flights
Chattanooga to Fort Myers flights
Chattanooga to Tampa flights
Atlanta to Orlando Sanford Intl flights
Chattanooga to Panama City flights
Mobile to Orlando flights
Atlanta to St Petersburg flights
Atlanta to Melbourne flights
Montgomery to Orlando flights
Pensacola to West Palm Beach flights
Atlanta to Daytona Beach flights
Montgomery to Miami flights
Atlanta to Tallahassee flights
Valparaiso to Fort Lauderdale flights
Birmingham to Key West flights
Valparaiso to Orlando flights
Chattanooga to Jacksonville flights
Chattanooga to West Palm Beach flights

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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$58Average$113FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$191Average$419FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$457FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$238Average$427FlexibilityNo 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.
Site
©2026 Cheapflights