What are the cheapest airlines to fly from McAllen to Key Largo one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $175. Users have also found prices from $189 and $717 on United Airlines and Alaska Airlines, respectively.

What is the cheapest day to fly from McAllen to Key Largo?

Travelers seeking maximum savings on their McAllen to Key Largo flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Find a great deal and save up to 66% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from McAllen to Key Largo within the next two weeks, with the cheapest ticket starting at $308.

What is the cheapest month to fly from McAllen to Key Largo?

January is one of the best times of the year to fly to Key Largo from McAllen. Prices for January average $393 per person but you can even find prices for as low as $231. The most expensive prices can be found in the month of March. Opting for a January flight can save you 40% on your journey compared to booking in March

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.

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.

$175+ Flights from McAllen to Key Largo

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from McAllen Miller Intl to Key Largo are usually found in January or September, booked 78 days in advance, depart on a Tuesday or Friday and return on a Sunday

Cheap flight deals from McAllen to Key Largo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$288 (American Airlines)
One-way from	$175 (Delta)
Popular in	March
Cheapest in	January
Average price	$412

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

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($57 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 15, 2025.

Wed 7/210:30 amMFE - MIA

1 stop8h 11mAmerican Airlines

Tue 7/85:18 amMIA - MFE

1 stop5h 35mAmerican Airlines

Deal found 4/15

$288

Wed 5/712:13 pmMFE - MIA

1 stop7h 21mUnited Airlines

Tue 5/139:00 amMIA - MFE

1 stop8h 02mUnited Airlines

Deal found 4/15

$297

Wed 5/75:27 amMFE - MIA

2 stops8h 27mDelta

Tue 5/138:10 amMIA - MFE

2 stops9h 27mDelta

Deal found 4/15

$307

Wed 5/79:12 pmMFE - MIA

2 stops23h 03mMultiple Airlines

Tue 5/1310:29 amMIA - MFE

3 stops27h 30mMultiple Airlines

Deal found 4/15

$378

Best flights from McAllen to Key Largo
Discover carefully curated flight deals from McAllen to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Wed 7/210:30 amMFE - MIA

1 stop8h 11mAmerican Airlines

Tue 7/85:18 amMIA - MFE

1 stop5h 35mAmerican Airlines

Deal found 4/15

$288

Wed 5/712:13 pmMFE - MIA

1 stop7h 21mUnited Airlines

Tue 5/139:00 amMIA - MFE

1 stop8h 02mUnited Airlines

Deal found 4/15

$297

Wed 5/75:27 amMFE - MIA

2 stops8h 27mDelta

Tue 5/138:10 amMIA - MFE

2 stops9h 27mDelta

Deal found 4/15

$307

Wed 5/79:12 pmMFE - MIA

2 stops23h 03mMultiple Airlines

Tue 5/1310:29 amMIA - MFE

3 stops27h 30mMultiple Airlines

Deal found 4/15

$378

Last-minute flights from McAllen to Key Largo
Discover last-minute flight deals from McAllen to Key Largo. Data last updated April 15, 2025 and is based on user searches.

Wed 4/232:52 pmMFE - MIA

1 stop5h 47mAmerican Airlines

Sat 4/265:15 pmMIA - MFE

1 stop6h 14mAmerican Airlines

Deal found 4/15

$463

Wed 4/235:30 amMFE - MIA

2 stops10h 27mDelta

Sat 4/268:55 amMIA - MFE

2 stops8h 57mDelta

Deal found 4/15

$469

Wed 4/237:00 amMFE - MIA

2 stops13h 56mUnited Airlines

Sat 4/266:22 amMIA - MFE

1 stop6h 05mUnited Airlines

Deal found 4/15

$544

Wed 4/239:12 pmMFE - MIA

3 stops33h 41mMultiple Airlines

Sat 4/2611:05 amMIA - MFE

2 stops24h 57mMultiple Airlines

Deal found 4/15

$687

Wed 5/712:13 pmMFE - MIA

1 stop7h 21mUnited Airlines

Tue 5/139:00 amMIA - MFE

1 stop8h 02mUnited Airlines

Deal found 4/15

$297

Wed 5/75:27 amMFE - MIA

2 stops8h 27mDelta

Tue 5/138:10 amMIA - MFE

2 stops9h 27mDelta

Deal found 4/15

$307

Wed 5/79:12 pmMFE - MIA

2 stops23h 03mMultiple Airlines

Tue 5/1310:29 amMIA - MFE

3 stops27h 30mMultiple Airlines

Deal found 4/15

$378

One-way flights from McAllen to Key Largo
Search for one-way flight options from McAllen to Key Largo. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Mon 6/305:25 amMFE - MIA

2 stops13h 01mDelta

Deal found 4/15

$175

Mon 6/307:00 amMFE - MIA

1 stop7h 51mUnited Airlines

Deal found 4/15

$189

Thu 6/1210:07 pmMFE - MIA

1 stop30h 48mMultiple Airlines

Deal found 4/15

$215

Fri 5/162:54 pmMFE - MIA

2 stops25h 27mAlaska Airlines

Deal found 4/14

$717

Cheapflights Fare Finder

Use the filters below to find and compare flights from McAllen to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 7/2

10:30 am-7:41 pm

1 stop8h 11m

Miami

Tue 7/8

5:18 am-9:53 am

1 stop5h 35m

$288

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 5/7

12:13 pm-8:34 pm

1 stop7h 21m

Miami

Tue 5/13

9:00 am-4:02 pm

1 stop8h 02m

$297

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 5/7

5:27 am-2:54 pm

2 stops8h 27m

Miami

Tue 5/13

8:10 am-4:37 pm

2 stops9h 27m

$307

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Wed 5/7

9:12 pm-9:15 pm

2 stops23h 03m

Miami

Tue 5/13

10:29 am-12:59 pm

3 stops27h 30m

$378

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Mon 6/30

5:25 am-7:26 pm

2 stops13h 01m

$175

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Mon 6/30

7:00 am-3:51 pm

1 stop7h 51m

$189

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Thu 6/12

10:07 pm-5:55 am

1 stop30h 48m

$215

McAllenMiami

MFE - MIA

MFEMIA

McAllen Miller Intl

Fri 5/16

2:54 pm-5:21 pm

2 stops25h 27m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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?

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 77 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, September is the cheapest month in which you can book a flight from McAllen to Key Largo (average of $229). Flying from McAllen to Key Largo in March is currently the most expensive (average of $289). 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?

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

Rainfall in Key Largo by month

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Key Largo

Read through reviews of airlines operating flights from McAllen to Key Largo, such as Alaska Airlines, Delta and United Airlines. 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.

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,876 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,658 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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.
What are the cheapest airlines to fly from McAllen to Key Largo one-way?
For one-way options, check prices for Delta. According to our data, you can fly for as low as $175. Users have also found prices from $189 and $717 on United Airlines and Alaska Airlines, respectively.
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, September is the cheapest month in which you can book a flight from McAllen to Key Largo (average of $229). Flying from McAllen to Key Largo in March is currently the most expensive (average of $289). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Top 2 airlines flying from McAllen to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$213	Average$396	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$258	Average$455	FlexibilityNo cancel fee	On-time69%

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$175+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from McAllen to Key Largo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from McAllen Miller Intl to Key Largo are usually found in January or September, booked 78 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 April 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from McAllen to Key Largo

Cheapest flights from McAllen to Key LargoExplore 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 April 15, 2025.

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 April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from McAllen to Key Largo that are best for you.

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.

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 April 11, 2025.

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

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 April 15, 2025.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

Reviews of airlines servicing Key Largo

Read through reviews of airlines operating flights from McAllen to Key Largo, such as Alaska Airlines, Delta and United Airlines. 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.

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?

What are the cheapest airlines to fly from McAllen to Key Largo one-way?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for McAllen to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from McAllen to Key Largo

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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 April 15, 2025.