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McAllen

$114+ Cheap flights from Key Largo, FL to McAllen (MFE)

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MFE
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Key Largo to McAllen

Keep the following information in mind while searching for Key Largo to McAllen flight deals. Data was last updated September 15, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$114
(Delta)

Popular in

June

Cheapest in

October

Average price

$457
From Key Largo to McAllen Miller Intl
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One-way flight from Key Largo to McAllen Miller Intl
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Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Key Largo to McAllen

Cheapest flights from Key Largo to McAllen
Explore the most affordable flight options available from Key Largo to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:50 amMIA - MFE
1 stop8h 32mAmerican Airlines
Tue 11/115:10 pmMFE - MIA
1 stop6h 26mAmerican Airlines
Deal found 9/14$217
This Delta deal was found by Cheapflights users on 9/14. 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 11/52:27 pmMIA - MFE
2 stops10h 32mDelta
Mon 11/105:25 amMFE - MIA
2 stops9h 22mDelta
Deal found 9/14$227
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/86:00 amMIA - MFE
1 stop6h 06mAmerican Airlines
Sun 11/95:04 pmMFE - MIA
1 stop6h 16mAmerican Airlines
Deal found 9/15$278
This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 11/88:30 amMIA - MFE
2 stops10h 01mDelta
Tue 11/1112:44 pmMFE - MIA
2 stops11h 04mDelta
Deal found 9/14$288
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amMIA - MFE
1 stop5h 42mAmerican Airlines
Tue 11/185:10 pmMFE - MIA
1 stop5h 26mAmerican Airlines
Deal found 9/14$297
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amMIA - MFE
1 stop5h 42mAmerican Airlines
Mon 11/175:34 amMFE - MIA
2 stops8h 44mAmerican Airlines
Deal found 9/14$302
This Delta deal was found by Cheapflights users on 9/15. 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 9/242:45 pmMIA - MFE
2 stops10h 13mDelta
Tue 9/305:25 amMFE - MIA
2 stops8h 52mDelta
Deal found 9/15$312
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/245:18 amMIA - MFE
1 stop7h 49mAmerican Airlines
Wed 9/246:23 pmMFE - MIA
1 stop6h 09mAmerican Airlines
Deal found 9/15$317
This Delta deal was found by Cheapflights users on 9/15. 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 9/236:00 amMIA - MFE
2 stops11h 38mDelta
Wed 9/2412:30 pmMFE - MIA
2 stops10h 53mDelta
Deal found 9/15$327
This Delta deal was found by Cheapflights users on 9/14. 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 11/78:11 amMIA - MFE
2 stops9h 23mDelta
Tue 11/115:25 amMFE - MIA
2 stops8h 10mDelta
Deal found 9/14$328
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 9/2012:04 pmMIA - MFE
1 stop7h 03mUnited Airlines
Tue 9/235:00 amMFE - MIA
1 stop5h 02mUnited Airlines
Deal found 9/14$337
This Delta deal was found by Cheapflights users on 9/15. 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 9/242:45 pmMIA - MFE
2 stops10h 13mDelta
Mon 9/295:25 amMFE - MIA
2 stops10h 40mDelta
Deal found 9/15$347

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to McAllen 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 September 15, 2025.
Use the filters below to find and compare flights from Key Largo to McAllen that are best for you.

Fly from

Key Largo

Fly to

McAllen

Route

Depart

Return

Price

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Sat 11/8

8:50 am-4:22 pm

1 stop8h 32m

McAllen Miller Intl

Tue 11/11

5:10 pm-12:36 am

1 stop6h 26m

$217

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Thu 11/13

3:40 pm-11:59 pm

2 stops9h 19m

McAllen Miller Intl

Tue 11/18

5:25 am-2:35 pm

2 stops8h 10m

$227

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Fri 11/14

8:05 am-4:44 pm

2 stops9h 39m

McAllen Miller Intl

Tue 11/18

5:25 am-2:35 pm

2 stops8h 10m

$227

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Wed 11/5

2:27 pm-11:59 pm

2 stops10h 32m

McAllen Miller Intl

Mon 11/10

5:25 am-3:47 pm

2 stops9h 22m

$227

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Wed 11/12

7:00 am-4:44 pm

2 stops10h 44m

McAllen Miller Intl

Mon 11/17

5:25 am-3:47 pm

2 stops9h 22m

$227

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Wed 11/12

7:00 am-4:44 pm

2 stops10h 44m

McAllen Miller Intl

Tue 11/18

5:25 am-2:35 pm

2 stops8h 10m

$227

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Thu 11/13

3:40 pm-11:59 pm

2 stops9h 19m

McAllen Miller Intl

Mon 11/17

5:25 am-3:47 pm

2 stops9h 22m

$227

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Tue 3/3

7:15 pm-12:07 am

1 stop5h 52m

McAllen Miller Intl

Wed 3/4

5:25 am-12:43 pm

1 stop6h 18m

$257

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Sat 11/8

6:00 am-11:06 am

1 stop6h 06m

McAllen Miller Intl

Sun 11/9

5:04 pm-12:20 am

1 stop6h 16m

$278

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Fri 11/14

3:40 pm-11:59 pm

2 stops9h 19m

McAllen Miller Intl

Mon 11/17

5:25 am-3:47 pm

2 stops9h 22m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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2
3

Best time to book a flight from Key Largo to McAllen

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

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

Currently, September is the cheapest month in which you can book a flight from Key Largo to McAllen (average of $281). Flying from Key Largo to McAllen in December is currently the most expensive (average of $416). 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 KE9 to MFE?

Find hourly flight availability from Key Largo to McAllen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Key Largo to McAllen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing McAllen

Get insights into the airlines that provide service to McAllen. 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 McAllen. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from Key Largo to McAllen, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

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

    McAllen Miller Intl (MFE), located 2.0 mi from the city center, is the airport you fly into when you book flights from Key Largo to McAllen. 2 airlines have flights to Miller Intl from Key Largo on a regular basis. Booking flights from Key Largo to McAllen Miller Intl should not be difficult; the airport handles an average of 0 inbound flights from Key Largo per day.

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

    For as low as $217, American Airlines can have you in McAllen from Key Largo in 8h 32m. The distance from Key Largo to McAllen is about 1114 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Key Largo to McAllen (average of $281). Flying from Key Largo to McAllen in December is currently the most expensive (average of $416). 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

Traveling to a place near McAllen?

Book flights to McAllen if you plan to visit one of these locations
Mission
Weslaco
Pharr
Edinburg

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Top 2 airlines flying from Key Largo to McAllen

Discover the top 2 airlines that operate flights from Key Largo to McAllen. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$132Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$438FlexibilityNo cancel feeOn-time69%

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