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Key Largo

$169+ Cheap flights from McAllen (MFE) 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — MIA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheapflights Tip: The best prices from McAllen Miller Intl to Key Largo are usually found in January or November, booked 69 days in advance, depart on a Tuesday or Friday and return on a Sunday

Cheap flight deals from McAllen to Key Largo

Keep the following information in mind while searching for McAllen to Key Largo flight deals. Data was last updated November 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$217
(Delta)

One-way from

$169
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$309
Provider with most accurate pricing for McAllen Miller Intl-Miami flight deals.
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Provider most trusted by Cheapflights users for McAllen Miller Intl-Miami flights.
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From McAllen Miller Intl to Key Largo
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One-way flight from McAllen Miller Intl to Key Largo
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Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from McAllen to Key Largo

Cheapest flights from McAllen to Key Largo
Explore the most affordable flight options available from McAllen to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Delta deal was found by Cheapflights users on 11/2. 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.
Sun 12/75:25 amMFE - MIA
1 stop6h 17mDelta
Sat 12/136:00 amMIA - MFE
2 stops12h 43mDelta
Deal found 11/2$283
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/74:54 pmMFE - MIA
1 stop6h 34mAmerican Airlines
Sat 12/136:00 amMIA - MFE
1 stop6h 03mAmerican Airlines
Deal found 11/2$292
This Delta deal was found by Cheapflights users on 10/30. 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 12/155:25 amMFE - MIA
1 stop6h 17mDelta
Mon 12/227:21 pmMIA - MFE
1 stop5h 37mDelta
Deal found 10/30$323
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 11/411:56 amMFE - MIA
1 stop7h 24mAmerican Airlines
Sat 11/85:18 amMIA - MFE
1 stop6h 48mAmerican Airlines
Deal found 10/31$325
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/85:10 pmMFE - MIA
1 stop5h 30mAmerican Airlines
Tue 11/118:50 amMIA - MFE
1 stop8h 32mAmerican Airlines
Deal found 11/2$327
This Delta deal was found by Cheapflights users on 11/2. 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 11/85:25 amMFE - MIA
2 stops12h 09mDelta
Tue 11/117:00 amMIA - MFE
2 stops10h 44mDelta
Deal found 11/2$373
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/155:10 pmMFE - MIA
1 stop6h 26mAmerican Airlines
Mon 11/175:18 amMIA - MFE
1 stop6h 24mAmerican Airlines
Deal found 11/2$383
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 11/165:25 amMFE - MIA
2 stops8h 10mDelta
Thu 11/206:00 amMIA - MFE
2 stops11h 44mDelta
Deal found 11/1$388
This Delta deal was found by Cheapflights users on 10/31. 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 11/45:25 amMFE - MIA
2 stops11h 28mDelta
Sat 11/86:00 amMIA - MFE
2 stops12h 31mDelta
Deal found 10/31$393

Cheapflights Fare Finder

 
Customize your flight search to find flights from McAllen 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 November 2, 2025.
Use the filters below to find and compare flights from McAllen to Key Largo that are best for you.

Fly from

McAllen

Fly to

Key Largo

Route

Depart

Return

Price

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Sun 2/15

5:28 am-12:40 pm

1 stop6h 12m

Miami

Wed 2/18

7:15 pm-11:57 pm

1 stop5h 42m

$217

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 2/4

5:25 am-12:40 pm

1 stop6h 15m

Miami

Fri 2/20

7:15 pm-11:57 pm

1 stop5h 42m

$217

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Tue 3/10

5:25 am-12:43 pm

1 stop6h 18m

Miami

Wed 3/11

7:15 pm-12:07 am

1 stop5h 52m

$257

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 11/26

7:00 am-3:44 pm

1 stop7h 44m

$169

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Thu 11/20

9:36 pm-11:23 am

2 stops12h 47m

$208

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Mon 12/1

8:59 pm-11:43 pm

3 stops25h 44m

$209

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Mon 12/1

5:25 am-12:41 pm

1 stop6h 16m

$230

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 11/26

12:44 pm-12:46 am

2 stops11h 02m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Best time to book a flight from McAllen to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from McAllen to Key Largo. Price data was last updated on October 31, 2025.

The price you pay for your flight from McAllen to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from McAllen to Key Largo (average of $198). Flying from McAllen to Key Largo in March is currently the most expensive (average of $290). 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 MFE to KE9?

Find hourly flight availability from McAllen 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 November 2, 2025.

One of the essential ways to save on airfare from McAllen to Key Largo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 41% 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 November 2, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from McAllen to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,034 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

    If you book a flight to Key Largo from McAllen, you will be flying from Miller Intl, which is the city’s only airport. McAllen Miller Intl (MFE) is located 2.0 mi from the center of McAllen. There are 0 flights from Miller Intl to Key Largo per day from 2 different airlines.

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

    For as low as $217, Delta can have you in Key Largo from McAllen in 6h 12m. The distance between McAllen and Key Largo is about 1114 mi.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from McAllen to Key Largo (average of $198). Flying from McAllen to Key Largo in March is currently the most expensive (average of $290). 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 2 airlines flying from McAllen to Key Largo

Discover the top 2 airlines that operate flights from McAllen 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$423FlexibilityNo cancel feeOn-time69%

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