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McAllen

$129+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MFE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$217
(Delta)

One-way from

$129
(Delta)

Popular in

June

Cheapest in

October

Average price

$275
Provider with most accurate pricing for Miami-McAllen Miller Intl flight deals.
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Provider most trusted by Cheapflights users for Miami-McAllen Miller Intl flights.
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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. 14% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

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.
Thu 12/47:15 pmMIA - MFE
1 stop5h 41mDelta
Wed 12/105:25 amMFE - MIA
1 stop6h 17mDelta
Deal found 10/30$217
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/136:00 amMIA - MFE
1 stop5h 44mAmerican Airlines
Mon 11/179:43 amMFE - MIA
1 stop7h 47mAmerican Airlines
Deal found 10/29$237
This Delta deal was found by Cheapflights users on 10/28. 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 11/1812:36 pmMIA - MFE
2 stops12h 23mDelta
Tue 11/255:25 amMFE - MIA
1 stop6h 16mDelta
Deal found 10/28$252
This Delta deal was found by Cheapflights users on 10/28. 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 11/217:15 pmMIA - MFE
1 stop5h 44mDelta
Tue 11/255:25 amMFE - MIA
1 stop6h 16mDelta
Deal found 10/28$257
This Delta deal was found by Cheapflights users on 10/28. 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 11/1812:36 pmMIA - MFE
2 stops12h 23mDelta
Mon 11/245:25 amMFE - MIA
1 stop6h 16mDelta
Deal found 10/28$277
This Delta deal was found by Cheapflights users on 10/28. 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 11/217:15 pmMIA - MFE
1 stop5h 44mDelta
Mon 11/245:25 amMFE - MIA
1 stop6h 16mDelta
Deal found 10/28$282
This Delta deal was found by Cheapflights users on 10/28. 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 11/183:40 pmMIA - MFE
2 stops9h 19mDelta
Sun 11/235:24 pmMFE - MIA
1 stop18h 17mDelta
Deal found 10/28$292
This Delta deal was found by Cheapflights users on 10/28. 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 11/184:52 pmMIA - MFE
2 stops8h 07mDelta
Wed 11/265:25 amMFE - MIA
1 stop6h 16mDelta
Deal found 10/28$293
This Delta deal was found by Cheapflights users on 10/28. 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 11/217:15 pmMIA - MFE
1 stop5h 44mDelta
Sun 11/235:24 pmMFE - MIA
1 stop18h 17mDelta
Deal found 10/28$297
This Delta deal was found by Cheapflights users on 10/28. 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 11/217:15 pmMIA - MFE
1 stop5h 44mDelta
Wed 11/265:25 amMFE - MIA
1 stop6h 16mDelta
Deal found 10/28$298

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 October 30, 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

Thu 12/4

7:15 pm-11:56 pm

1 stop5h 41m

McAllen Miller Intl

Wed 12/10

5:25 am-2:45 pm

2 stops8h 20m

$222

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Tue 11/18

3:40 pm-11:59 pm

2 stops9h 19m

McAllen Miller Intl

Tue 11/25

5:25 am-12:41 pm

1 stop6h 16m

$252

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Wed 11/19

8:05 am-4:44 pm

2 stops9h 39m

McAllen Miller Intl

Tue 11/25

5:25 am-12:41 pm

1 stop6h 16m

$252

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Tue 11/18

12:36 pm-11:59 pm

2 stops12h 23m

McAllen Miller Intl

Mon 11/24

5:25 am-12:41 pm

1 stop6h 16m

$277

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Fri 11/21

7:15 pm-11:59 pm

1 stop5h 44m

McAllen Miller Intl

Tue 11/25

5:25 am-12:41 pm

1 stop6h 16m

$282

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Wed 11/19

7:00 am-4:44 pm

2 stops10h 44m

McAllen Miller Intl

Sun 11/23

5:24 pm-12:41 pm

1 stop18h 17m

$292

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Tue 11/18

3:40 pm-11:59 pm

2 stops9h 19m

McAllen Miller Intl

Sun 11/23

5:24 pm-12:41 pm

1 stop18h 17m

$292

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Tue 11/18

4:52 pm-11:59 pm

2 stops8h 07m

McAllen Miller Intl

Wed 11/26

5:25 am-12:41 pm

1 stop6h 16m

$293

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Thu 11/6

5:18 am-10:44 am

1 stop6h 26m

$134

MiamiMcAllen

MIA - MFE

MIAMFE

Miami

Thu 11/6

9:00 am-1:30 pm

1 stop5h 30m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 16 results
1
2

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, May is the cheapest month in which you can book a flight from Key Largo to McAllen (average of $198). Flying from Key Largo to McAllen in December is currently the most expensive (average of $297). 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 October 30, 2025.

One of the essential ways to save on airfare from Key Largo to McAllen is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.

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 October 30, 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
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

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
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

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
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

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 $222, Delta can have you in McAllen from Key Largo in 5h 41m. The distance from Key Largo to McAllen is about 1114 mi.

  • 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, May is the cheapest month in which you can book a flight from Key Largo to McAllen (average of $198). Flying from Key Largo to McAllen in December is currently the most expensive (average of $297). 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
Weslaco
Pharr
Mission
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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$370FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$433FlexibilityNo cancel feeOn-time69%

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