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Key Largo

$45+ Cheap flights from Philadelphia (PHL) 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — MIA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Philadelphia to Key Largo are usually found in February or May, booked 13 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Philadelphia to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Popular in

November

Cheapest in

February

Round-trip from

$108
(Priceline)

One-way from

$45
(Cheapflightsfares)
High demand for flights, 16% potential price rise
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Best time to find cheap flights, 16% potential price drop
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From Philadelphia to Key Largo
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One-way flight from Philadelphia to Key Largo
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Find flight deals from Philadelphia to Key Largo

Cheapest flights from Philadelphia to Key Largo
Explore the most affordable flight options available from Philadelphia to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Priceline deal was found by Cheapflights users on 11/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1611:21 amPHL - MIA
Nonstop2h 57mSpirit Airlines
Tue 1/146:53 pmMIA - PHL
Nonstop2h 56mSpirit Airlines
Deal found 11/18$108
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Thu 12/195:04 pmPHL - MIA
Nonstop3h 03mMultiple Airlines
Sat 12/219:13 pmMIA - PHL
Nonstop3h 02mMultiple Airlines
Deal found 11/19$109
This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/246:17 pmPHL - MIA
Nonstop3h 07mFrontier
Fri 11/2910:00 amMIA - PHL
Nonstop3h 00mFrontier
Deal found 11/19$110
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/35:20 amPHL - MIA
Nonstop3h 00mAmerican Airlines
Tue 12/107:20 pmMIA - PHL
Nonstop2h 55mAmerican Airlines
Deal found 11/19$214
This Delta deal was found by Cheapflights users on 11/20. 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 12/47:18 pmPHL - MIA
1 stop5h 35mDelta
Wed 12/1110:14 amMIA - PHL
1 stop5h 25mDelta
Deal found 11/20$217

Find flights from Philadelphia to Key Largo within your budget

Customize your flight search to find flights from Philadelphia 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 12/16

11:21 am-2:18 pm

Nonstop2h 57m

Miami

Tue 1/14

6:53 pm-9:49 pm

Nonstop2h 56m

$108

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Thu 12/19

5:04 pm-8:07 pm

Nonstop3h 03m

Miami

Sat 12/21

9:13 pm-12:15 am

Nonstop3h 02m

$109

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sun 11/24

6:17 pm-9:24 pm

Nonstop3h 07m

Miami

Fri 11/29

10:00 am-1:00 pm

Nonstop3h 00m

$110

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Tue 12/3

5:20 am-8:20 am

Nonstop3h 00m

Miami

Tue 12/10

7:20 pm-10:15 pm

Nonstop2h 55m

$214

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 12/4

7:18 pm-12:53 am

1 stop5h 35m

Miami

Wed 12/11

10:14 am-3:39 pm

1 stop5h 25m

$217

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 1/6

9:09 am-12:09 pm

Nonstop3h 00m

$45

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Thu 1/9

6:00 am-8:55 am

Nonstop2h 55m

$47

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Fri 12/6

6:31 am-9:30 pm

1 stop14h 59m

$71

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 12/11

8:15 am-5:25 pm

1 stop9h 10m

$106

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Tue 12/10

6:50 pm-9:59 pm

Nonstop3h 09m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 13 results
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Best time to book a flight from Philadelphia to Key Largo

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

Travel insights for flights from Philadelphia to Key Largo

Get recent, data-driven insights about flights from Philadelphia to Key Largo including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Key Largo. Price data was last updated on November 15, 2024.

Booking 12 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Key Largo (average of $218). Flying from Philadelphia to Key Largo in March is currently the most expensive (average of $286). 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 PHL to KE9?

Find hourly flight availability from Philadelphia 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 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Key Largo as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Key Largo. Price data was last updated on November 18, 2024.

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

Weekly flight availability from Philadelphia to Key Largo

Explore weekly flight availability from Philadelphia to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from PHL to KE9 are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Key Largo by month

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

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

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 20, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, Frontier and American Airlines from Philadelphia to Key Largo to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,394 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

    If you book a flight to Key Largo from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 17 flights from Philadelphia to Key Largo per day from 6 different airlines.

  • How popular is this Philadelphia to Key Largo flight route?

    Flights from Philadelphia to Key Largo have been viewed 397 times in the past calendar month.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $45. Users have also found prices from $47 and $119 on Spirit Airlines and Delta, respectively.

  • What are the most reliable airlines from Philadelphia to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Key Largo on time: Spirit Airlines (92%), American Airlines (90%), Frontier (88%).

  • What are the cheapest flights from Philadelphia to Key Largo?

    Looking for the cheapest flight from Philadelphia to Key Largo? While on average our users pay $721, our data indicates the cheapest price to be $44. The most popular route (Philadelphia - Miami), is priced around $71.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Key Largo (average of $218). Flying from Philadelphia to Key Largo in March is currently the most expensive (average of $286). 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.

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Alternative routes for Philadelphia to Key Largo

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Top 6 airlines flying from Philadelphia to Key Largo

Discover the top 6 airlines that operate flights from Philadelphia 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$135FlexibilityNo cancel feeOn-time65%
FrontierCheapest$60Average$159FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$159Average$226FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$410FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$410FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$474FlexibilityNo cancel feeOn-time69%
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