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.

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).

What are the most popular airlines that fly from Allentown to Key Largo?

When booking a flight from Allentown to Key Largo, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

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.

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.

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Find flight deals from Allentown to Key Largo

Most accurate provider	FlightHub 3 stars
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Popular in	July
Cheapest in	June
Average price	$516

Provider with most accurate pricing for Allentown-Bethlehem-Miami flight deals.

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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Allentown to Key Largo

What is the cheapest time of day to fly from ABE to KE9?

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 19% on your trip compared to booking a flight in the morning.

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

Travelers seeking maximum savings on their Allentown to Key Largo flight should consider departing on Monday evenings 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

See what other customers who have flown with Delta,Allegiant Air, andAmerican 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

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Delta

7.8

Good

8,641 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Allegiant Air

7.3

Good

678 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

American Airlines

7.0

Good

12,144 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Frontier

5.6

Fair

2,551 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

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.
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.

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Top 6 airlines flying from Allentown to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$24	Average$184	FlexibilityNo cancel fee	On-time62%
Allegiant Air	Cheapest$106	Average$304	FlexibilityNo cancel fee	On-time88%
American Airlines	Cheapest$139	Average$479	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$148	Average$482	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$208	Average$585	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$213	Average$232	FlexibilityNo cancel fee	On-time62%

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Cheap flights from Allentown (ABE) to Key Largo, FL

Find cheap flights from Allentown to Key Largo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Allentown to Key Largo

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from ABE to KE9?

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 19% on your trip compared to booking a flight in the morning.

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

Travelers seeking maximum savings on their Allentown to Key Largo flight should consider departing on Monday evenings 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

See what other customers who have flown with Delta,Allegiant Air, andAmerican 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.

Related info for your journey

What airport do you fly from for flights from Allentown to Key Largo?

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

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

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

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

Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Allentown to Key Largo by cabin class

Find flights from Allentown to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Allentown and Key Largo flights

Browse other Allentown and Key Largo flight options. Last updated on October 9, 2026.

Other flights from Allentown

Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.

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Top 6 airlines flying from Allentown to Key Largo

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