$109+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MFE
Mar 4 — Mar 111
1 adult, Economy
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Find cheap flights from Key Largo to McAllen with Cheapflights
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Key Largo to McAllen
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Best
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Cheapest flights from Key Largo to McAllenExplore 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 February 2, 2026.
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 February 2, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 2/207:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Mon 2/235:28 am
MFE
- MIA
1 stop6h 01m
Delta
Deal found 2/1![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 5/16:00 am
MIA
- MFE
2 stops11h 43m
Delta
Sun 5/35:25 am
MFE
- MIA
1 stop6h 20m
Delta
Deal found 2/1![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 1/31. 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 3/107:12 pm
MIA
- MFE
1 stop5h 47m
Delta
Wed 3/111:20 pm
MFE
- MIA
2 stops10h 32m
Delta
Deal found 1/31![Delta logo]()
$232
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:05 am
MIA
- MFE
1 stop8h 02m
United Airlines
Wed 2/119:30 am
MFE
- MIA
1 stop5h 10m
United Airlines
Deal found 1/31![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 1/31. 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 2/107:15 am
MIA
- MFE
2 stops10h 30m
Delta
Wed 2/115:25 am
MFE
- MIA
1 stop6h 15m
Delta
Deal found 1/31![Delta logo]()
$292
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Mon 2/233:48 pm
MFE
- MIA
1 stop7h 00m
American Airlines
Deal found 2/1![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 2/167:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Fri 2/201:03 pm
MFE
- MIA
2 stops10h 50m
Delta
Deal found 2/1![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/74:51 pm
MIA
- MFE
1 stop6h 06m
United Airlines
Tue 2/1012:05 pm
MFE
- MIA
1 stop5h 20m
United Airlines
Deal found 2/1![United Airlines logo]()
$407
Best flights from Key Largo to McAllenDiscover carefully curated flight deals from Key Largo to McAllen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Key Largo to McAllen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 2/207:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Mon 2/235:28 am
MFE
- MIA
1 stop6h 01m
Delta
Deal found 2/1![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Tue 2/243:48 pm
MFE
- MIA
1 stop8h 11m
American Airlines
Deal found 1/30![American Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 5/16:59 pm
MIA
- MFE
1 stop6h 00m
Delta
Sun 5/35:25 am
MFE
- MIA
1 stop6h 20m
Delta
Deal found 2/1![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:00 pm
MIA
- MFE
1 stop8h 05m
United Airlines
Mon 2/235:13 am
MFE
- MIA
2 stops10h 08m
United Airlines
Deal found 2/1![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 1/31. 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 3/107:12 pm
MIA
- MFE
1 stop5h 47m
Delta
Wed 3/111:20 pm
MFE
- MIA
2 stops10h 32m
Delta
Deal found 1/31![Delta logo]()
$232
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Mon 2/233:48 pm
MFE
- MIA
1 stop7h 00m
American Airlines
Deal found 2/1![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 2/167:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Fri 2/201:03 pm
MFE
- MIA
2 stops10h 50m
Delta
Deal found 2/1![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Wed 2/185:01 pm
MFE
- MIA
1 stop6h 58m
American Airlines
Deal found 2/1![American Airlines logo]()
$443
Last-minute flights from Key Largo to McAllenDiscover last-minute flight deals from Key Largo to McAllen. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Key Largo to McAllen. Data last updated February 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:51 pm
MIA
- MFE
1 stop6h 06m
United Airlines
Tue 2/37:00 am
MFE
- MIA
1 stop5h 26m
United Airlines
Deal found 1/30![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/74:51 pm
MIA
- MFE
1 stop6h 06m
United Airlines
Tue 2/1012:05 pm
MFE
- MIA
1 stop5h 20m
United Airlines
Deal found 2/1![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:05 am
MIA
- MFE
1 stop8h 02m
United Airlines
Wed 2/119:30 am
MFE
- MIA
1 stop5h 10m
United Airlines
Deal found 1/31![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 1/31. 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 2/107:15 am
MIA
- MFE
2 stops10h 30m
Delta
Wed 2/115:25 am
MFE
- MIA
1 stop6h 15m
Delta
Deal found 1/31![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 2/1. 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.
Mon 2/167:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Fri 2/201:03 pm
MFE
- MIA
2 stops10h 50m
Delta
Deal found 2/1![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Wed 2/185:01 pm
MFE
- MIA
1 stop6h 58m
American Airlines
Deal found 2/1![American Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 2/207:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Mon 2/235:28 am
MFE
- MIA
1 stop6h 01m
Delta
Deal found 2/1![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Mon 2/233:48 pm
MFE
- MIA
1 stop7h 00m
American Airlines
Deal found 2/1![American Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:00 pm
MIA
- MFE
1 stop8h 05m
United Airlines
Mon 2/235:13 am
MFE
- MIA
2 stops10h 08m
United Airlines
Deal found 2/1![United Airlines logo]()
$481
One-way flights from Key Largo to McAllenSearch for one-way flight options from Key Largo to McAllen. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Key Largo to McAllen. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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.
Wed 3/47:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Deal found 2/1![Delta logo]()
$109
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:05 am
MIA
- MFE
1 stop8h 02m
United Airlines
Deal found 1/31![United Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 1/31. 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 2/105:50 am
MIA
- MFE
2 stops11h 55m
Delta
Deal found 1/31![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:05 am
MIA
- MFE
3 stops39h 07m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 1/31. 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.
Mon 2/167:15 pm
MIA
- MFE
1 stop5h 42m
Delta
Deal found 1/31![Delta logo]()
$184
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:00 am
MIA
- MFE
1 stop6h 15m
American Airlines
Deal found 2/1![American Airlines logo]()
$280
This deal was found by Cheapflights users on 1/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:45 pm
MIA
- MFE
1 stop5h 57m
United Airlines
Deal found 1/31![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:15 am
MIA
- MFE
1 stop17h 44m
United Airlines
Deal found 1/31![United Airlines logo]()
$466
Find 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 February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Delta) |
One-way from | $109 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $391 |
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 February 2, 2026.
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
Fri 2/20
7:15 pm-11:57 pm
1 stop5h 42m
McAllen Miller Intl
Mon 2/23
5:28 am-12:29 pm
1 stop6h 01m
$217
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Sat 2/21
5:00 am-10:15 am
1 stop6h 15m
McAllen Miller Intl
Tue 2/24
3:48 pm-12:59 am
1 stop8h 11m
$217
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Fri 5/1
6:59 pm-11:59 pm
1 stop6h 00m
McAllen Miller Intl
Sun 5/3
5:25 am-12:45 pm
1 stop6h 20m
$217
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Tue 3/10
7:12 pm-11:59 pm
1 stop5h 47m
McAllen Miller Intl
Wed 3/11
1:20 pm-12:52 am
2 stops10h 32m
$232
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Fri 2/20
5:00 am-10:15 am
1 stop6h 15m
McAllen Miller Intl
Mon 2/23
3:48 pm-11:48 pm
1 stop7h 00m
$312
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Mon 2/16
7:15 pm-11:57 pm
1 stop5h 42m
McAllen Miller Intl
Fri 2/20
1:03 pm-12:53 am
2 stops10h 50m
$317
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Mon 2/16
5:00 am-10:15 am
1 stop6h 15m
McAllen Miller Intl
Wed 2/18
5:01 pm-12:59 am
1 stop6h 58m
$443
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Fri 2/20
1:00 pm-8:05 pm
1 stop8h 05m
McAllen Miller Intl
Mon 2/23
5:13 am-4:21 pm
2 stops10h 08m
$481
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Wed 3/4
7:15 pm-11:57 pm
1 stop5h 42m
$109
MiamiMcAllen
MIA - MFE
MIAMFE
Miami
Tue 2/10
9:05 am-4:07 pm
1 stop8h 02m
$144
Showing 1-10 of 16 results
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.
MIA-MFE
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
KE9-MFE
MIA-MFE
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 July is currently the most expensive (average of $287). 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 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 February 2, 2026.
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.
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentFERNANDO,Sep 2024
YYC - IAH
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.
Traveling to a place near McAllen?
Book flights to McAllen if you plan to visit one of these locationsPharr
Weslaco
Mission
Edinburg
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Key Largo to McAllen
See prices for flight routes from nearby airports that may be better suited for you.
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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$195 | Average$346 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$430 | FlexibilityNo cancel fee | On-time69% |