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Key Largo

$139+ Cheap flights from Baton Rouge (BTR) 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — MIA
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Baton Rouge to Key Largo

Keep the following information in mind while searching for Baton Rouge 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

$248
(Delta)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

April

Average price

$308
Provider with most accurate pricing for Baton Rouge Ryan-Miami flight deals.
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Provider most trusted by Cheapflights users for Baton Rouge Ryan-Miami flights.
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From Baton Rouge Ryan to Key Largo
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One-way flight from Baton Rouge Ryan to Key Largo
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Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 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 Baton Rouge to Key Largo

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

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:31 am
BTR
-
MIA
1 stop6h 59m
Delta
Tue 2/1010:29 am
MIA
-
BTR
1 stop6h 30m
Delta
Deal found 1/11$248
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 1/3012:00 pm
BTR
-
MIA
1 stop5h 25m
United Airlines
Mon 2/29:05 am
MIA
-
BTR
1 stop7h 53m
United Airlines
Deal found 1/12$257
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 4/165:00 am
BTR
-
MIA
1 stop5h 09m
United Airlines
Mon 4/204:53 pm
MIA
-
BTR
1 stop5h 17m
United Airlines
Deal found 1/12$274
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 pm
BTR
-
MIA
1 stop4h 56m
Delta
Sun 5/106:00 am
MIA
-
BTR
1 stop4h 39m
Delta
Deal found 1/11$277
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 5/14:00 pm
BTR
-
MIA
1 stop5h 47m
Delta
Thu 5/76:00 am
MIA
-
BTR
1 stop4h 39m
Delta
Deal found 1/10$283
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 5/81:40 pm
BTR
-
MIA
1 stop6h 17m
Delta
Fri 5/157:00 am
MIA
-
BTR
1 stop6h 47m
Delta
Deal found 1/10$288
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.
Sat 1/175:51 pm
BTR
-
MIA
1 stop6h 00m
Delta
Sat 1/245:50 am
MIA
-
BTR
1 stop5h 02m
Delta
Deal found 1/10$292
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:36 pm
BTR
-
MIA
1 stop5h 15m
Delta
Mon 2/166:00 am
MIA
-
BTR
1 stop4h 46m
Delta
Deal found 1/11$297
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:14 pm
BTR
-
MIA
1 stop5h 02m
United Airlines
Sun 3/16:15 am
MIA
-
BTR
1 stop6h 12m
United Airlines
Deal found 1/10$306
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:36 pm
BTR
-
MIA
1 stop6h 14m
Delta
Fri 3/206:00 am
MIA
-
BTR
1 stop4h 45m
Delta
Deal found 1/11$307

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baton Rouge 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 Baton Rouge to Key Largo that are best for you.

Fly from

Baton Rouge

Fly to

Key Largo

Route

Depart

Return

Price

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Tue 2/3

10:31 am-6:30 pm

1 stop6h 59m

Miami

Tue 2/10

10:29 am-3:59 pm

1 stop6h 30m

$248

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Fri 1/30

12:00 pm-6:25 pm

1 stop5h 25m

Miami

Mon 2/2

9:05 am-3:58 pm

1 stop7h 53m

$257

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 2/21

4:31 pm-11:43 pm

1 stop6h 12m

Miami

Fri 2/27

5:00 am-9:54 am

1 stop5h 54m

$292

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Mon 2/9

6:36 pm-12:51 am

1 stop5h 15m

Miami

Mon 2/16

6:00 am-9:46 am

1 stop4h 46m

$297

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Wed 2/25

12:14 pm-6:16 pm

1 stop5h 02m

Miami

Sun 3/1

6:15 am-11:27 am

1 stop6h 12m

$306

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Mon 3/16

1:36 pm-8:50 pm

1 stop6h 14m

Miami

Fri 3/20

6:00 am-9:45 am

1 stop4h 45m

$307

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Fri 4/10

5:00 am-11:09 am

1 stop5h 09m

Miami

Sat 4/18

9:00 am-3:32 pm

1 stop7h 32m

$315

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 2/14

4:08 pm-9:59 pm

1 stop4h 51m

Miami

Tue 2/17

8:45 am-1:18 pm

1 stop5h 33m

$318

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 2/7

1:55 pm-10:35 pm

1 stop7h 40m

Miami

Tue 2/10

1:05 pm-5:53 pm

1 stop5h 48m

$318

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 2/14

4:08 pm-9:59 pm

1 stop4h 51m

Miami

Wed 2/18

10:58 am-3:33 pm

1 stop5h 35m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 21 results
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Best time to book a flight from Baton Rouge to Key Largo

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

How far ahead should I book a flight from Baton Rouge to Key Largo?

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

To ensure you get the cheapest price possible for a flight from Baton Rouge to Key Largo, you should look to book at least 6 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 Baton Rouge to Key Largo?

Currently, November is the cheapest month in which you can book a flight from Baton Rouge to Key Largo (average of $53). Flying from Baton Rouge to Key Largo in June is currently the most expensive (average of $127). 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.

How much does it cost to fly round-trip from Baton Rouge to Key Largo?

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.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Baton Rouge to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,033 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.
Delta
7.9
Good
8,033 reviews
Delta
7.9
Good
8,033 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.
United Airlines
7.4
Good
9,143 reviews
Delta
7.9
Good
8,033 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.
American Airlines
7.2
Good
11,109 reviews
Delta
7.9
Good
8,033 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.

Related info for your journey

Find useful and relevant information for your journey from Baton Rouge 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 Baton Rouge to Key Largo?

    Baton Rouge Ryan (BTR) is the airport you will fly out of if you book a flight from Baton Rouge to Key Largo. You should not have trouble finding flights to Key Largo from Ryan; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Baton Rouge airport to Key Largo. It is only a 5.8 mi journey to Ryan (BTR) from Baton Rouge’s city center.

  • How long is the flight from Baton Rouge to Key Largo?

    There are many flights that can get you from Baton Rouge to Key Largo in 5h 25m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. The distance from Baton Rouge to Key Largo is about 737 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baton Rouge 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 Baton Rouge to Key Largo?

    Currently, November is the cheapest month in which you can book a flight from Baton Rouge to Key Largo (average of $53). Flying from Baton Rouge to Key Largo in June is currently the most expensive (average of $127). 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 3 airlines flying from Baton Rouge to Key Largo

Discover the top 3 airlines that operate flights from Baton Rouge 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
United AirlinesCheapest$243Average$328FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$346FlexibilityNo cancel feeOn-timeN/A

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