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Key Largo

$99+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — MIA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheapflights Tip: The best prices from Allentown-Bethlehem to Key Largo are usually found in November or May, booked 45 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 November 26, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$197
(Delta)

One-way from

$99
(Delta)

Popular in

December

Cheapest in

November

Average price

$284
Provider with most accurate pricing for New York (NYC)-Miami flight deals.
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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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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 26, 2025.

This Delta deal was found by Cheapflights users on 11/26. 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.
Sun 12/146:00 pmABE - MIA
1 stop6h 46mDelta
Tue 12/162:11 pmMIA - ABE
1 stop8h 00mDelta
Deal found 11/26$197
This Mytrip deal was found by Cheapflights users on 11/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:37 pmABE - MIA
2 stops20h 35mMultiple Airlines
Mon 12/156:05 amMIA - ABE
2 stops16h 19mMultiple Airlines
Deal found 11/24$285
This Delta deal was found by Cheapflights users on 11/25. 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 12/56:00 pmABE - MIA
1 stop6h 46mDelta
Sat 12/136:00 amMIA - ABE
1 stop6h 14mDelta
Deal found 11/25$289
This Delta deal was found by Cheapflights users on 11/25. 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.
Sun 12/76:00 pmABE - MIA
1 stop6h 46mDelta
Wed 12/107:00 amMIA - ABE
1 stop5h 14mDelta
Deal found 11/25$290
This American Airlines deal was found by Cheapflights users on 11/25. 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 11/276:16 amABE - MIA
1 stop6h 47mAmerican Airlines
Thu 12/1111:25 amMIA - ABE
1 stop5h 19mAmerican Airlines
Deal found 11/25$300
This Delta deal was found by Cheapflights users on 11/24. 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 12/26:00 pmABE - MIA
1 stop6h 46mDelta
Sat 12/64:55 pmMIA - ABE
1 stop5h 16mDelta
Deal found 11/24$309
This Mytrip deal was found by Cheapflights users on 11/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:46 pmABE - MIA
2 stops19h 26mMultiple Airlines
Sun 12/149:59 pmMIA - ABE
2 stops24h 25mMultiple Airlines
Deal found 11/26$313
This Mytrip deal was found by Cheapflights users on 11/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:34 pmABE - MIA
2 stops23h 32mMultiple Airlines
Wed 12/248:00 amMIA - ABE
2 stops12h 57mMultiple Airlines
Deal found 11/24$319
This Mytrip deal was found by Cheapflights users on 11/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:46 pmABE - MIA
2 stops19h 26mMultiple Airlines
Mon 12/228:00 amMIA - ABE
2 stops12h 12mMultiple Airlines
Deal found 11/25$324
This American Airlines deal was found by Cheapflights users on 11/25. 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 11/276:16 amABE - MIA
1 stop6h 47mAmerican Airlines
Thu 12/49:30 amMIA - ABE
1 stop7h 14mAmerican Airlines
Deal found 11/25$360

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 November 26, 2025.
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 1/6

5:59 pm-12:51 am

1 stop6h 52m

Miami

Wed 1/14

5:50 am-12:05 pm

1 stop6h 15m

$197

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Wed 1/7

12:50 pm-7:46 pm

1 stop6h 56m

Miami

Tue 1/13

10:29 am-5:18 pm

1 stop6h 49m

$197

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Sat 2/21

5:58 pm-12:53 am

1 stop6h 55m

Miami

Tue 2/24

6:00 am-12:05 pm

1 stop6h 05m

$199

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Fri 1/9

5:59 pm-12:51 am

1 stop6h 52m

Miami

Thu 1/15

7:15 am-12:05 pm

1 stop4h 50m

$258

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Thu 1/8

12:50 pm-8:44 pm

1 stop7h 54m

Miami

Sat 1/17

7:15 am-1:06 pm

1 stop5h 51m

$288

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Sun 12/7

6:00 pm-12:46 am

1 stop6h 46m

Miami

Wed 12/10

7:00 am-12:14 pm

1 stop5h 14m

$290

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Wed 1/7

5:59 pm-10:26 am

2 stops16h 27m

Miami

Thu 1/15

7:15 am-12:05 pm

1 stop4h 50m

$301

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Thu 5/7

6:30 am-2:33 pm

1 stop8h 03m

Miami

Wed 5/13

4:40 pm-10:56 pm

1 stop6h 16m

$314

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Fri 2/20

5:58 pm-12:53 am

1 stop6h 55m

Miami

Tue 2/24

6:00 am-12:05 pm

1 stop6h 05m

$319

AllentownMiami

ABE - MIA

ABEMIA

Allentown-Bethlehem

Wed 1/7

5:59 pm-12:51 am

1 stop6h 52m

Miami

Wed 1/14

5:50 am-12:05 pm

1 stop6h 15m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

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 November 21, 2025.

To ensure you get the cheapest price possible for a flight from Allentown to Key Largo, you should look to book at least 45 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, December is the cheapest month in which you can book a flight from Allentown to Key Largo (average of $26). Flying from Allentown to Key Largo in June is currently the most expensive (average of $86). 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 November 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Allentown to Key Largo at noon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

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 December 16, 2024.

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. Wednesday evenings 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 November 26, 2025.
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
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
9,046 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
11,038 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
700 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
5.8
Fair
3,099 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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, December is the cheapest month in which you can book a flight from Allentown to Key Largo (average of $26). Flying from Allentown to Key Largo in June is currently the most expensive (average of $86). 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$126FlexibilityNo cancel feeOn-time65%
FrontierCheapest$49Average$150FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$57Average$182FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$165Average$405FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$356FlexibilityNo cancel feeOn-time69%

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