Key Largo

$169+ 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
May 12 — May 191
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Cheap 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 April 12, 2026.

This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:10 pm
BTR
-
MIA
1 stop7h 23m
United Airlines
Tue 8/48:48 am
MIA
-
BTR
1 stop7h 46m
United Airlines
Deal found 4/9$299
This American Airlines deal was found by Cheapflights users on 4/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:53 pm
BTR
-
MIA
1 stop6h 39m
American Airlines
Sat 5/165:05 am
MIA
-
BTR
1 stop5h 57m
American Airlines
Deal found 4/7$300
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:00 pm
BTR
-
MIA
1 stop7h 09m
United Airlines
Mon 5/1810:50 am
MIA
-
BTR
1 stop7h 44m
United Airlines
Deal found 4/9$307
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/812:00 pm
BTR
-
MIA
1 stop5h 18m
United Airlines
Mon 5/116:15 am
MIA
-
BTR
1 stop8h 08m
United Airlines
Deal found 4/10$308
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
BTR
-
MIA
1 stop7h 30m
American Airlines
Wed 5/135:05 am
MIA
-
BTR
1 stop5h 57m
American Airlines
Deal found 4/9$314
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:08 pm
BTR
-
MIA
1 stop4h 46m
Delta
Tue 4/284:43 pm
MIA
-
BTR
1 stop6h 13m
Delta
Deal found 4/9$317
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:00 pm
BTR
-
MIA
1 stop4h 27m
Delta
Thu 5/216:00 am
MIA
-
BTR
1 stop4h 45m
Delta
Deal found 4/7$319
This Delta deal was found by Cheapflights users on 4/6. 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 5/57:08 pm
BTR
-
MIA
1 stop4h 46m
Delta
Sun 5/106:00 am
MIA
-
BTR
1 stop4h 45m
Delta
Deal found 4/6$323
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 5/42:00 pm
BTR
-
MIA
1 stop7h 09m
United Airlines
Mon 5/116:15 am
MIA
-
BTR
1 stop8h 08m
United Airlines
Deal found 4/6$328
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:10 pm
BTR
-
MIA
1 stop7h 23m
United Airlines
Sun 6/76:30 am
MIA
-
BTR
1 stop5h 50m
United Airlines
Deal found 4/8$336
This Delta deal was found by Cheapflights users on 4/10. 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.
Mon 7/206:11 am
BTR
-
MIA
1 stop5h 51m
Delta
Thu 7/2310:40 am
MIA
-
BTR
1 stop5h 29m
Delta
Deal found 4/10$337
This American Airlines deal was found by Cheapflights users on 4/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:53 pm
BTR
-
MIA
1 stop6h 39m
American Airlines
Thu 5/215:24 am
MIA
-
BTR
1 stop6h 36m
American Airlines
Deal found 4/10$346

Find 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 April 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(United Airlines)

One-way from

$169
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$314
Provider with most accurate pricing for Baton Rouge Ryan-Miami flight deals.
Provider most trusted by Cheapflights users for Baton Rouge Ryan-Miami flights.
From Baton Rouge Ryan to Key Largo
One-way flight from Baton Rouge Ryan to Key Largo
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 12, 2026.
Use the filters below to find and compare flights from Baton Rouge to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sun 8/16

3:20 pm-10:48 pm

1 stop6h 28m

Miami

Sat 8/22

7:00 am-12:45 pm

1 stop6h 45m

$299

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Thu 7/30

7:06 pm-12:55 am

1 stop4h 49m

Miami

Tue 8/4

7:10 am-12:47 pm

1 stop6h 37m

$299

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Thu 6/4

1:37 pm-9:27 pm

1 stop6h 50m

Miami

Tue 6/9

6:00 am-9:42 am

1 stop4h 42m

$299

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 5/9

4:00 pm-10:00 pm

1 stop5h 00m

Miami

Tue 5/12

4:05 pm-10:00 pm

1 stop6h 55m

$308
Quickest round-trip

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Fri 4/24

7:08 pm-12:54 am

1 stop4h 46m

Miami

Sun 4/26

6:00 am-9:46 am

1 stop4h 46m

$317

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 4/25

6:00 am-2:12 pm

1 stop7h 12m

Miami

Wed 4/29

1:16 pm-6:27 pm

1 stop6h 11m

$317

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Thu 4/23

7:08 pm-12:54 am

1 stop4h 46m

Miami

Mon 4/27

6:00 am-9:46 am

1 stop4h 46m

$317

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Tue 8/11

4:07 pm-10:39 pm

1 stop5h 32m

Miami

Mon 8/17

1:30 pm-5:32 pm

1 stop5h 02m

$319

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 5/9

1:34 pm-7:58 pm

1 stop5h 24m

Miami

Sun 5/10

6:00 am-9:45 am

1 stop4h 45m

$319

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Mon 5/4

2:00 pm-10:09 pm

1 stop7h 09m

Miami

Mon 5/11

6:15 am-1:23 pm

1 stop8h 08m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April 10, 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, February 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 July is currently the most expensive (average of $114). 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 April 12, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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 6h 28m. Fly via Delta to get the fastest option. The distance from Baton Rouge to Key Largo is about 737 mi.

  • What are the cheapest airlines to fly from Baton Rouge to Key Largo one-way?

    One-way options have recently been found by users for as low as $128 on United Airlines. Other airlines that offer cheap prices include American Airlines from $138 and Delta from $138 one-way.

  • 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 $53). Flying from Baton Rouge to Key Largo in July is currently the most expensive (average of $114). 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.

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 April 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$380FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$325FlexibilityNo cancel feeOn-time69%

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