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Key Largo

$161+ Cheap flights from Allentown (ABE) 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — MIA
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Allentown to Key Largo

Keep the following information in mind while searching for Allentown to Key Largo flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(Delta)

One-way from

$161
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$328
Provider with most accurate pricing for Allentown-Bethlehem-Miami flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Miami flights.
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From Allentown-Bethlehem to Key Largo
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One-way flight from Allentown-Bethlehem to Key Largo
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Highest demand for flights based on searches. 3% potential increase in price ($14 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 January 2026
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Find flight deals from Allentown to Key Largo

Cheapest flights from Allentown to Key Largo
Explore the most affordable flight options available from Allentown to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This Delta deal was found by Cheapflights users on 1/11. 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 2/2112:47 pm
ABE
-
MIA
1 stop7h 57m
Delta
Sat 2/286:00 am
MIA
-
ABE
1 stop6h 05m
Delta
Deal found 1/11$199
This American Airlines deal was found by Cheapflights users on 1/12. 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 2/41:02 pm
ABE
-
MIA
1 stop8h 08m
American Airlines
Sat 2/145:30 pm
MIA
-
ABE
1 stop6h 59m
American Airlines
Deal found 1/12$209
This American Airlines deal was found by Cheapflights users on 1/12. 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 2/31:02 pm
ABE
-
MIA
1 stop8h 08m
American Airlines
Sat 2/77:07 am
MIA
-
ABE
1 stop5h 25m
American Airlines
Deal found 1/12$219
This Delta deal was found by Cheapflights users on 1/11. 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 2/412:48 pm
ABE
-
MIA
1 stop5h 42m
Delta
Sat 2/147:15 am
MIA
-
ABE
1 stop5h 44m
Delta
Deal found 1/11$229
This American Airlines deal was found by Cheapflights users on 1/12. 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 2/51:02 pm
ABE
-
MIA
1 stop8h 08m
American Airlines
Sat 2/145:30 pm
MIA
-
ABE
1 stop6h 59m
American Airlines
Deal found 1/12$259
This Delta deal was found by Cheapflights users on 1/11. 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 2/105:59 pm
ABE
-
MIA
1 stop6h 52m
Delta
Tue 2/177:15 am
MIA
-
ABE
1 stop4h 50m
Delta
Deal found 1/11$264
This Delta deal was found by Cheapflights users on 1/11. 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 3/46:28 am
ABE
-
MIA
1 stop5h 55m
Delta
Sat 3/76:00 am
MIA
-
ABE
1 stop6h 05m
Delta
Deal found 1/11$277
This American Airlines deal was found by Cheapflights users on 1/12. 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 3/256:04 am
ABE
-
MIA
1 stop7h 18m
American Airlines
Wed 4/15:30 pm
MIA
-
ABE
1 stop6h 59m
American Airlines
Deal found 1/12$282
This Delta deal was found by Cheapflights users on 1/11. 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 2/115:59 pm
ABE
-
MIA
1 stop6h 52m
Delta
Sat 2/146:00 am
MIA
-
ABE
1 stop6h 59m
Delta
Deal found 1/11$294
This Delta deal was found by Cheapflights users on 1/11. 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 1/295:59 pm
ABE
-
MIA
1 stop6h 52m
Delta
Tue 2/35:50 am
MIA
-
ABE
1 stop6h 15m
Delta
Deal found 1/11$304

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown 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 January 12, 2026.
Use the filters below to find and compare flights from Allentown to Key Largo that are best for you.

Fly from

Allentown

Fly to

Key Largo

Route

Depart

Return

Price

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Tue 2/3

5:59 pm-12:51 am

1 stop6h 52m

Miami

Sat 2/7

7:15 am-1:01 pm

1 stop5h 46m

$219

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Tue 2/10

5:59 pm-12:51 am

1 stop6h 52m

Miami

Tue 2/17

7:15 am-12:05 pm

1 stop4h 50m

$264

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Wed 4/8

5:59 pm-12:56 am

1 stop6h 57m

Miami

Tue 4/21

10:26 am-5:19 pm

1 stop6h 53m

$355

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Sat 4/11

5:59 pm-12:56 am

1 stop6h 57m

Miami

Wed 4/15

4:44 pm-10:59 pm

1 stop6h 15m

$355

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Wed 1/28

12:50 pm-7:56 pm

1 stop7h 06m

Miami

Sun 2/1

5:50 am-11:59 am

1 stop6h 09m

$394

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Sat 1/24

6:15 am-3:05 pm

1 stop8h 50m

Miami

Wed 1/28

9:00 am-4:22 pm

1 stop7h 22m

$427

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Fri 1/30

5:59 pm-12:51 am

1 stop6h 52m

Miami

Sun 2/1

5:50 am-11:59 am

1 stop6h 09m

$444

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Tue 1/20

5:59 pm-12:51 am

1 stop6h 52m

Miami

Fri 1/30

7:15 am-12:05 pm

1 stop4h 50m

$448

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Mon 3/9

12:49 pm-8:50 pm

1 stop8h 01m

Miami

Wed 3/11

12:01 pm-5:17 pm

1 stop5h 16m

$449

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Sat 4/11

5:59 pm-12:56 am

1 stop6h 57m

Miami

Fri 4/17

3:17 pm-10:59 pm

1 stop7h 42m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 23 results
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Best time to book a flight from Allentown to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Allentown to Key Largo. Price data was last updated on January 9, 2026.

To ensure you get the cheapest price possible for a flight from Allentown to Key Largo, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Allentown to Key Largo (average of $24). Flying from Allentown to Key Largo in June is currently the most expensive (average of $85). 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 ABE to KE9?

Find hourly flight availability from Allentown 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 January 12, 2026.

A simple way to save on the total cost of your ticket is to fly from Allentown to Key Largo in the afternoon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Allentown to Key Largo. Price data was last updated on January 10, 2026.

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

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 January 12, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Allentown to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,034 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
8,034 reviews
Delta
7.9
Good
8,034 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
United Airlines
7.4
Good
9,144 reviews
Delta
7.9
Good
8,034 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.2
Good
11,109 reviews
Delta
7.9
Good
8,034 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Allegiant Air
7.2
Good
702 reviews
Delta
7.9
Good
8,034 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Frontier
5.7
Fair
3,055 reviews
Delta
7.9
Good
8,034 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

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

    Allentown-Bethlehem (ABE) is the airport you will fly out of if you book a flight from Allentown to Key Largo. You should not have trouble finding flights to Key Largo from Allentown-Bethlehem; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Allentown airport to Key Largo. It is only a 3.9 mi journey to Allentown-Bethlehem (ABE) from Allentown’s city center.

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

    Departing from Allentown to Key Largo will take you 6h 52m. Allentown and Key Largo are separated by a distance of 1063 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Allentown to Key Largo (average of $24). Flying from Allentown to Key Largo in June is currently the most expensive (average of $85). 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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Alternative routes for Allentown to Key Largo

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Top 6 airlines flying from Allentown to Key Largo

Discover the top 6 airlines that operate flights from Allentown 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$24Average$144FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$47Average$126FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$57Average$218FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$149Average$410FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$476FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$361FlexibilityNo cancel feeOn-time69%

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