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Key Largo

$129+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — MIA
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
1 adult, Economy
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Cheapflights Tip: The best prices from Baton Rouge Ryan to Key Largo are usually found in August or September, booked 6 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

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 octubre 14, 2025.

This Delta deal was found by Cheapflights users on 10/13. 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.
lun. 11/102:21 pmBTR - MIA
1 stop5h 25mDelta
lun. 11/176:00 amMIA - BTR
1 stop4h 50mDelta
Deal found 10/13$249
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/12:05 pmBTR - MIA
1 stop6h 33mUnited Airlines
sáb. 11/86:30 amMIA - BTR
1 stop7h 52mUnited Airlines
Deal found 10/13$253
This United Airlines deal was found by Cheapflights users on 10/12. 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.
mar. 10/289:30 amBTR - MIA
1 stop7h 22mUnited Airlines
sáb. 11/16:30 amMIA - BTR
1 stop5h 53mUnited Airlines
Deal found 10/12$257
This American Airlines deal was found by Cheapflights users on 10/12. 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.
vie. 10/246:46 pmBTR - MIA
1 stop5h 03mAmerican Airlines
vie. 10/314:31 pmMIA - BTR
1 stop6h 23mAmerican Airlines
Deal found 10/12$283
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/96:55 pmBTR - MIA
1 stop4h 51mDelta
dom. 11/166:00 amMIA - BTR
1 stop4h 50mDelta
Deal found 10/12$294
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/146:50 amBTR - MIA
1 stop7h 57mUnited Airlines
lun. 10/279:00 amMIA - BTR
1 stop7h 21mUnited Airlines
Deal found 10/13$298
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/242:00 pmBTR - MIA
1 stop7h 45mUnited Airlines
dom. 10/266:25 amMIA - BTR
1 stop7h 57mUnited Airlines
Deal found 10/13$309
This American Airlines deal was found by Cheapflights users on 10/12. 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.
vie. 10/3112:24 pmBTR - MIA
1 stop5h 59mAmerican Airlines
vie. 11/78:50 amMIA - BTR
1 stop5h 55mAmerican Airlines
Deal found 10/12$312
This Delta deal was found by Cheapflights users on 10/13. 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.
sáb. 10/184:38 pmBTR - MIA
1 stop6h 51mDelta
mar. 10/217:10 amMIA - BTR
1 stop6h 16mDelta
Deal found 10/13$324
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/215:07 amBTR - MIA
1 stop4h 46mUnited Airlines
mié. 11/266:30 amMIA - BTR
1 stop7h 52mUnited Airlines
Deal found 10/13$349
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/192:00 pmBTR - MIA
1 stop7h 45mUnited Airlines
mar. 10/218:45 amMIA - BTR
1 stop7h 39mUnited Airlines
Deal found 10/13$357
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/242:00 pmBTR - MIA
1 stop7h 45mUnited Airlines
vie. 10/317:00 amMIA - BTR
2 stops15h 31mUnited Airlines
Deal found 10/13$461

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 octubre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

One-way from

$129
(Delta)

Popular in

April

Cheapest in

August

Average price

$422
Provider with most accurate pricing for Baton Rouge Ryan-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baton Rouge Ryan-Miami flights.
Search Deals
From Baton Rouge Ryan to Key Largo
Search Deals
One-way flight from Baton Rouge Ryan to Key Largo
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 octubre 14, 2025.
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

lun. 11/10

7:39 am-2:35 pm

1 stop5h 56m

Miami

lun. 11/17

6:00 am-9:50 am

1 stop4h 50m

$249

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

vie. 10/31

2:05 pm-10:00 pm

1 stop6h 55m

Miami

dom. 11/2

5:25 am-12:22 pm

1 stop7h 57m

$253

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

sáb. 11/1

4:38 pm-12:29 am

1 stop6h 51m

Miami

sáb. 11/8

6:00 am-12:26 pm

1 stop7h 26m

$253

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

sáb. 11/1

2:05 pm-9:38 pm

1 stop6h 33m

Miami

sáb. 11/8

6:30 am-1:22 pm

1 stop7h 52m

$253

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

lun. 11/3

3:08 pm-11:49 pm

1 stop7h 41m

Miami

vie. 11/7

4:29 pm-10:09 pm

1 stop6h 40m

$257

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

mar. 10/28

9:30 am-5:52 pm

1 stop7h 22m

Miami

sáb. 11/1

6:30 am-11:23 am

1 stop5h 53m

$257

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

vie. 10/24

2:18 pm-10:46 pm

1 stop7h 28m

Miami

vie. 10/31

3:14 pm-9:54 pm

1 stop7h 40m

$283

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

dom. 11/9

6:55 pm-12:46 am

1 stop4h 51m

Miami

dom. 11/16

6:00 am-9:50 am

1 stop4h 50m

$294

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

vie. 10/24

2:00 pm-10:45 pm

1 stop7h 45m

Miami

dom. 10/26

6:25 am-1:22 pm

1 stop7h 57m

$309

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

vie. 10/31

12:24 pm-7:23 pm

1 stop5h 59m

Miami

vie. 11/7

8:50 am-1:45 pm

1 stop5h 55m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 19 results
1
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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 October 10, 2025.

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, February is the cheapest month in which you can book a flight from Baton Rouge to Key Largo (average of $64). Flying from Baton Rouge to Key Largo in June is currently the most expensive (average of $123). 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 BTR to KE9?

Find hourly flight availability from Baton Rouge 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 octubre 14, 2025.

One of the essential ways to save on airfare from Baton Rouge to Key Largo is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

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 octubre 14, 2025.
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
8.0
Very good
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2023

MSY - ATL

No wifi on the plane even though there was a signal.
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,974 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
11,045 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 56m. Fly via Delta or United 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, February is the cheapest month in which you can book a flight from Baton Rouge to Key Largo (average of $64). Flying from Baton Rouge to Key Largo in June is currently the most expensive (average of $123). 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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Alternative routes for Baton Rouge to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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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 octubre 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$339FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$345FlexibilityNo cancel feeOn-time69%

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