Cheap flights from Philadelphia (PHL) to Key Largo

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The best prices from Philadelphia to Key Largo are usually found in August or July, booked 28 days in advance, depart on a Monday or Tuesday and return on a Friday

How to find the cheapest flight from
Philadelphia (PHL) to Key Largo

All the information you need to plan the best PHL to MIA flight in 2021: compare Philadelphia to Key Largo flight prices with the expected peak season, weather and rainfall in Key Largo.
PHL - KE9
Price
$112 - $236
KE9
Temperature
78.8 - 91.4 °F
KE9
Precipitation
1.7 - 10.4 inches

Popular in

November

High demand for flights, 27% potential price rise

Cheapest in

August

Best time to find cheap flights, 35% potential price drop

Round-trip from

$112

From Philadelphia to Key Largo

One-way from

$59

One-way flight from Philadelphia to Key Largo

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Philadelphia to Key Largo?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 33% on flights from Philadelphia to Key Largo compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $202. For sooner than that we have options available in the next 3 days from $254.

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

Our data shows that July tends to be the cheapest month to fly to Key Largo from Philadelphia. Users have commonly found prices around $207 for the month, but tickets can be as low as $56. Due to multiple factors, prepare for potentially higher prices in December.

Cheap flights from Philadelphia to Key Largo in August, September 2021

The best prices found for PHL to Key Largo flights for August, September
13 Sep - 15 Sep
$44pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
26 Aug - 2 Sep
$46pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
30 Aug - 1 Sep
$48pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia

Philadelphia to Key Largo 2021 flight deals

Cheap flights to Key Largo from Philadelphia found for this year
13 Sep - 15 Sep
$44pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
26 Aug - 2 Sep
$46pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
30 Aug - 1 Sep
$48pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia

Non-stop flights to Key Largo from Philadelphia

Save time with Philadelphia to Key Largo direct flight deals
4 Sep - 7 Sep
$44pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
26 Aug - 2 Sep
$46pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
30 Aug - 1 Sep
$48pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to Key Largo

Late deals on round-trip flights to Key Largo from Philadelphia, departing today and this week
10 Aug - 8 Sep
$56pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
10 Aug - 18 Aug
$65pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia
14 Aug - 17 Aug
$67pp
PHL
Philadelphia
Frontier
Non-Stop
MIA
Miami
MIA
Miami
Frontier
Non-Stop
PHL
Philadelphia

One-way flights to Key Largo from Philadelphia

The cheapest one-way flights from Philadelphia to Key Largo
11:40 am - 2:32 pm
American Airlines
Nonstop
2h 52m
PHL - MIA
American Airlines
1:00 am - 3:55 am
Spirit Airlines
Nonstop
2h 55m
PHL - MIA
Spirit Airlines
$63
CheapOair
2:09 pm - 5:20 pm
Frontier
Nonstop
3h 11m
PHL - MIA
Frontier
$65
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Philadelphia</span> to <span class="emphasized">Key Largo</span> flights.

Flight FAQs

From Philadelphia to Key Largo

Are flight prices decreasing from Philadelphia to Key Largo due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and Key Largo for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Philadelphia to Key Largo have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Frontier, and Spirit Airlines flying from Philadelphia to Key Largo have implemented new flexible cancellation policies.

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 0 flights from Philadelphia to Key Largo per day from 10 different airlines.

Can I find flights from Philadelphia to Key Largo for under $100 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Key Largo for under $100. The cheapest flight booked recently is on Frontier for just $44, but on average you can expect to pay $60.

Are there nonstop flights from Philadelphia to Key Largo for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to Key Largo under $100. A good price for a nonstop flight from Philadelphia to Key Largo is less than $59.

Are there last-minute flights available from Philadelphia to Key Largo for under $100?

There are currently 20+ open flights from Philadelphia to Key Largo within the next 7 days for less than $100.

Is Philadelphia weather warmer or cooler than Key Largo?

We forecast the temperature to be around the 91 °F's in July, on average. The temperature in Key Largo is generally hotter than in Philadelphia. Book flights in a timely manner in correlation to your departure date.

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

The most popular airlines flying from Philadelphia to Key Largo are Major Airline, American Airlines and JetBlue. Something to consider prior to booking your flight.

What are the cheapest Flights from Philadelphia to Key Largo?

Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Philadelphia - Miami) can be booked for $62 on average our data indicates $637 when flying from Philadelphia to Key Largo

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

Consider American Airlines (78%), Malaysia Airlines (75%) or British Airways (71%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Key Largo.

How long is the flight from Philadelphia to Key Largo?

Departing from Philadelphia to Key Largo will take you 2h 51m. Most flights are nonstop.

What are the cheapest airlines flying from Philadelphia to Key Largo round-trip?

Flying on Frontier is currently your cheapest option to Key Largo, with prices starting at $44. Another option worth looking into is American Airlines, starting at $81 round trip.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $22. However, be on the lookout for offers from American Airlines and Spirit Airlines, as they are both options that can get you from Philadelphia to Key Largo for a low price.

COVID Restrictions

View COVID Travel Restrictions for Key Largo

Do I need a COVID test to fly to Key Largo from Philadelphia?

Information is based on travel restrictions for travel to Key Largo within the United States

Most visitors from Philadelphia need to provide a negative COVID-19 test result and/or quarantine to enter Key Largo.

COVID-19 testing requirements
Visitors from Philadelphia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Key Largo.

Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering Key Largo.

Do I need a test to fly back to Philadelphia from Key Largo?

Returning to Philadelphia from Key Largo

COVID-19 testing requirements
Visitors from Key Largo must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Philadelphia.

Quarantine requirements
Visitors from Key Largo are not required to quarantine after entering Philadelphia.

Hide COVID Travel Restrictions for Key Largo

Alternative routes for Philadelphia to Key Largo

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

Destination information for Key Largo

Things to know before you go - useful duration and weather info for your trip from Philadelphia to Key Largo.
Flight duration
2h 57m
Average temperature for August in Key Largo
91.4 °F
Avg rainfall for August in Key Largo
9.5 ″

Airports servicing Philadelphia

Airports servicing Key Largo

Top 7 airlines flying from Philadelphia to Key Largo

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Key Largo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$38 $164 No cancel fee 62%
Spirit Airlines
$70 $191 No cancel fee 65%
Allegiant Air
$118 $233 No cancel fee 88%
Delta
$87 $273 No cancel fee N/A
JetBlue
$78 $284 No cancel fee 62%
United Airlines
$57 $289 No cancel fee 69%
American Airlines
$89 $356 No cancel fee 71%

Hourly flight availability from Philadelphia to Key Largo

See what time of day planes typically take off from Philadelphia towards Key Largo.
Afternoon Noon to 6 PM 56% of PHL to Key Largo departures
Morning 6 AM to noon 29% of PHL to Key Largo departures
Early morning Midnight to 6 AM 9% of PHL to Key Largo departures
Evening 6 PM to midnight 6% of PHL to Key Largo departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia to Key Largo
See how many times per day planes take to the skies headed from Philadelphia to Key Largo.
Sunday
21 daily flights
Monday
19 daily flights
Tuesday
16 daily flights
Wednesday
15 daily flights
Thursday
18 daily flights
Friday
19 daily flights
Saturday
21 daily flights
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