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Key Largo

$259+ Cheap flights from Mobile (MOB) 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — MIA
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Mobile to Key Largo

Keep the following information in mind while searching for Mobile to Key Largo flight deals. Data was last updated January 15, 2026.

Round-trip from

$279
(Delta)

One-way from

$259
(United Airlines)

Popular in

October

Cheapest in

July

Average price

$268
From Mobile to Key Largo
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One-way flight from Mobile to Key Largo
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Highest demand for flights based on searches. 13% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($28 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 Mobile to Key Largo

Cheapest flights from Mobile to Key Largo
Explore the most affordable flight options available from Mobile to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Delta deal was found by Cheapflights users on 1/14. 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.
Wed 1/287:05 pm
MOB
-
MIA
1 stop4h 46m
Delta
Sat 1/315:50 am
MIA
-
MOB
1 stop6h 55m
Delta
Deal found 1/14$279
This United Airlines deal was found by Cheapflights users on 1/14. 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 2/269:00 am
MOB
-
MIA
1 stop8h 16m
United Airlines
Mon 3/28:45 am
MIA
-
MOB
1 stop8h 28m
United Airlines
Deal found 1/14$303
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Sat 2/77:00 am
MOB
-
MIA
1 stop5h 26m
United Airlines
Sat 2/148:45 am
MIA
-
MOB
1 stop8h 28m
United Airlines
Deal found 1/13$304
This Delta deal was found by Cheapflights users on 1/14. 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 1/307:05 pm
MOB
-
MIA
1 stop4h 46m
Delta
Sat 2/77:15 am
MIA
-
MOB
1 stop5h 30m
Delta
Deal found 1/14$309
This Delta deal was found by Cheapflights users on 1/13. 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.
Fri 8/217:15 pm
MOB
-
MIA
1 stop4h 39m
Delta
Thu 8/277:00 am
MIA
-
MOB
1 stop5h 29m
Delta
Deal found 1/13$324
This Delta deal was found by Cheapflights users on 1/13. 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.
Fri 1/237:05 pm
MOB
-
MIA
1 stop4h 46m
Delta
Tue 1/275:30 pm
MIA
-
MOB
1 stop6h 13m
Delta
Deal found 1/13$329
This Delta deal was found by Cheapflights users on 1/13. 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.
Fri 3/67:17 pm
MOB
-
MIA
1 stop4h 36m
Delta
Sat 3/76:00 am
MIA
-
MOB
1 stop7h 08m
Delta
Deal found 1/13$334
This Delta deal was found by Cheapflights users on 1/14. 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.
Thu 1/226:00 am
MOB
-
MIA
1 stop7h 18m
Delta
Tue 1/271:21 pm
MIA
-
MOB
1 stop5h 55m
Delta
Deal found 1/14$339
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Tue 2/37:00 am
MOB
-
MIA
1 stop5h 26m
United Airlines
Tue 2/1011:05 am
MIA
-
MOB
1 stop8h 19m
United Airlines
Deal found 1/14$344
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.
Tue 1/2710:44 am
MOB
-
MIA
1 stop6h 41m
United Airlines
Sat 1/319:05 am
MIA
-
MOB
1 stop8h 04m
United Airlines
Deal found 1/12$349
This Delta deal was found by Cheapflights users on 1/14. 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 1/307:05 pm
MOB
-
MIA
1 stop4h 46m
Delta
Fri 2/66:23 pm
MIA
-
MOB
2 stops15h 06m
Delta
Deal found 1/14$350
This Delta deal was found by Cheapflights users on 1/14. 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.
Thu 2/127:17 pm
MOB
-
MIA
1 stop4h 36m
Delta
Tue 2/174:46 pm
MIA
-
MOB
1 stop7h 12m
Delta
Deal found 1/14$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mobile 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 15, 2026.
Use the filters below to find and compare flights from Mobile to Key Largo that are best for you.

Fly from

Mobile

Fly to

Key Largo

Route

Depart

Return

Price

MobileMiami

MOB - MIA

MOBMIA

Mobile

Wed 1/28

7:05 pm-12:51 am

1 stop4h 46m

Miami

Sat 1/31

5:50 am-11:45 am

1 stop6h 55m

$279

MobileMiami

MOB - MIA

MOBMIA

Mobile

Thu 2/26

9:00 am-6:16 pm

1 stop8h 16m

Miami

Mon 3/2

8:45 am-4:13 pm

1 stop8h 28m

$303

MobileMiami

MOB - MIA

MOBMIA

Mobile

Sat 2/7

12:34 pm-8:44 pm

1 stop7h 10m

Miami

Sat 2/14

7:20 pm-10:58 pm

1 stop4h 38m

$304

MobileMiami

MOB - MIA

MOBMIA

Mobile

Sat 2/7

7:00 am-1:26 pm

1 stop5h 26m

Miami

Sat 2/14

8:45 am-4:13 pm

1 stop8h 28m

$304

MobileMiami

MOB - MIA

MOBMIA

Mobile

Wed 2/11

7:05 pm-12:51 am

1 stop4h 46m

Miami

Tue 2/17

4:46 pm-10:58 pm

1 stop7h 12m

$304

MobileMiami

MOB - MIA

MOBMIA

Mobile

Fri 1/30

7:05 pm-12:51 am

1 stop4h 46m

Miami

Thu 2/5

5:50 am-11:45 am

1 stop6h 55m

$309

MobileMiami

MOB - MIA

MOBMIA

Mobile

Fri 1/30

7:05 pm-12:51 am

1 stop4h 46m

Miami

Fri 2/6

7:25 pm-10:43 pm

1 stop4h 18m

$309

MobileMiami

MOB - MIA

MOBMIA

Mobile

Fri 1/23

7:05 pm-12:51 am

1 stop4h 46m

Miami

Tue 1/27

5:30 pm-10:43 pm

1 stop6h 13m

$329

MobileMiami

MOB - MIA

MOBMIA

Mobile

Fri 3/6

7:17 pm-12:53 am

1 stop4h 36m

Miami

Sat 3/7

6:00 am-12:08 pm

1 stop7h 08m

$334

MobileMiami

MOB - MIA

MOBMIA

Mobile

Sat 1/24

5:00 pm-12:51 am

1 stop6h 51m

Miami

Tue 1/27

12:00 pm-6:16 pm

1 stop7h 16m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 20 results
1
2

Best time to book a flight from Mobile to Key Largo

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

What is the cheapest month to book a flight from Mobile to Key Largo?

Currently, February is the cheapest month in which you can book a flight from Mobile to Key Largo (average of $77). Flying from Mobile to Key Largo in July is currently the most expensive (average of $137). 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.

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 15, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Mobile 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
8,051 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,051 reviews
Delta
7.9
Good
8,051 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,164 reviews
Delta
7.9
Good
8,051 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,136 reviews
Delta
7.9
Good
8,051 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    Mobile (MOB) is the airport you will fly out of if you book a flight from Mobile to Key Largo. You should not have trouble finding flights to Key Largo from Mobile; 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 Mobile airport to Key Largo. It is only a 11.8 mi journey to Mobile (MOB) from Mobile’s city center.

  • How long is the flight from Mobile to Key Largo?

    For as low as $279, Delta can have you in Key Largo from Mobile in 4h 46m. Airlines will cover a distance of 590 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mobile 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 Mobile to Key Largo?

    Currently, February is the cheapest month in which you can book a flight from Mobile to Key Largo (average of $77). Flying from Mobile to Key Largo in July is currently the most expensive (average of $137). 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.

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Top 3 airlines flying from Mobile to Key Largo

Discover the top 3 airlines that operate flights from Mobile 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$243Average$388FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$438FlexibilityNo cancel feeOn-time69%

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