How popular is this Key Largo to Philadelphia flight route?

Flights from Key Largo to Philadelphia have been viewed 64 times in the past calendar month.

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

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Key Largo to Philadelphia for a low price.

What are the cheapest flights from Key Largo to Philadelphia?

The cheapest flight price from Key Largo to Philadelphia is $50. On average you can expect to pay $888. The most popular route, (Miami - Philadelphia), can usually be booked for $84.

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

Before booking your flight to Philadelphia from Key Largo, check out the most reliable airlines to get you to your destination on time: Royal Air Maroc (90%), Spirit Airlines (86%), Aer Lingus( 85%).

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

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Key Largo to Philadelphia.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 90% on flights from Key Largo to Philadelphia compared to booking the week you need them. Waiting 60 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 $100. For sooner than that we have options available in the next 3 days from $192.

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

The best pricing can be found in the month of February. Prices to Philadelphia from Key Largo average $174. You can even find prices in February for less than $174, as users have found deals to Philadelphia from as low as $55. The month of November appears to be one of the more expensive times to travel to Philadelphia from Key Largo. Flying in the targeted month can save you up to 37%.

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

If you book a flight to Philadelphia from Key Largo, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 27 flights from Key Largo to Philadelphia per day from 5 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Key Largo to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$52+ Flights from Key Largo to Philadelphia - Compare & Save Big

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Cheapflights Tip: The best prices from Key Largo to Philadelphia are usually found in February or January, booked 90 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Key Largo to Philadelphia

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$94 (Cheapflightsfares)
One-way from	$52 (FlightHub)
Popular in	November
Cheapest in	February
Average price	$161

Provider with most accurate pricing for Miami-Philadelphia flight deals.

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From Key Largo to Philadelphia

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One-way flight from Key Largo to Philadelphia

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Highest demand for flights based on searches. 13% potential increase in price ($27 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find flight deals from Key Largo to Philadelphia

Cheapest flights from Key Largo to Philadelphia
Explore the most affordable flight options available from Key Largo to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

Fri 5/309:42 pmMIA - PHL

Nonstop3h 11mFrontier

Sun 6/15:36 pmPHL - MIA

Nonstop3h 01mFrontier

Deal found 5/11

$94

Sun 6/810:00 amMIA - PHL

Nonstop2h 52mMultiple Airlines

Mon 6/95:36 pmPHL - MIA

Nonstop3h 01mMultiple Airlines

Deal found 5/11

$97

Thu 5/228:59 amMIA - PHL

1 stop9h 23mSpirit Airlines

Sat 5/243:42 pmPHL - MIA

Nonstop2h 48mSpirit Airlines

Deal found 5/12

$113

Tue 6/109:01 pmMIA - PHL

Nonstop2h 57mAmerican Airlines

Tue 6/176:40 pmPHL - MIA

Nonstop3h 06mAmerican Airlines

Deal found 5/11

$199

Tue 6/107:22 pmMIA - PHL

1 stop5h 37mDelta

Tue 6/172:12 pmPHL - MIA

1 stop5h 14mDelta

Deal found 5/11

$219

Best flights from Key Largo to Philadelphia
Discover carefully curated flight deals from Key Largo to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2025.

Fri 5/309:42 pmMIA - PHL

Nonstop3h 11mFrontier

Sun 6/15:36 pmPHL - MIA

Nonstop3h 01mFrontier

Deal found 5/12

$94

Sun 6/810:00 amMIA - PHL

Nonstop2h 52mMultiple Airlines

Mon 6/95:36 pmPHL - MIA

Nonstop3h 01mMultiple Airlines

Deal found 5/11

$97

Thu 5/228:59 amMIA - PHL

1 stop9h 23mSpirit Airlines

Sat 5/243:42 pmPHL - MIA

Nonstop2h 48mSpirit Airlines

Deal found 5/12

$113

Tue 6/109:01 pmMIA - PHL

Nonstop2h 57mAmerican Airlines

Tue 6/176:40 pmPHL - MIA

Nonstop3h 06mAmerican Airlines

Deal found 5/11

$199

Tue 6/107:22 pmMIA - PHL

1 stop5h 37mDelta

Tue 6/172:12 pmPHL - MIA

1 stop5h 14mDelta

Deal found 5/11

$219

Last-minute flights from Key Largo to Philadelphia
Discover last-minute flight deals from Key Largo to Philadelphia. Data last updated May 12, 2025 and is based on user searches.

Sat 5/176:50 amMIA - PHL

2 stops8h 55mSouthwest

Tue 5/2012:15 pmPHL - MIA

2 stops9h 20mSouthwest

Deal found 5/11

$433

Tue 5/207:20 amMIA - PHL

Nonstop2h 50mAmerican Airlines

Wed 6/46:44 pmPHL - MIA

Nonstop2h 55mAmerican Airlines

Deal found 5/12

$255

Tue 5/201:29 pmMIA - PHL

1 stop20h 16mUnited Airlines

Wed 6/47:59 pmPHL - MIA

2 stops18h 23mUnited Airlines

Deal found 5/12

$526

Thu 5/229:42 pmMIA - PHL

Nonstop3h 11mFrontier

Mon 5/265:36 pmPHL - MIA

Nonstop2h 55mFrontier

Deal found 5/12

$95

Thu 5/228:59 amMIA - PHL

1 stop9h 23mSpirit Airlines

Sat 5/243:42 pmPHL - MIA

Nonstop2h 48mSpirit Airlines

Deal found 5/12

$113

Thu 5/2211:44 amMIA - PHL

1 stop5h 43mMultiple Airlines

Mon 5/265:36 pmPHL - MIA

Nonstop2h 55mMultiple Airlines

Deal found 5/11

$163

Fri 5/309:42 pmMIA - PHL

Nonstop3h 11mFrontier

Sun 6/15:36 pmPHL - MIA

Nonstop3h 01mFrontier

Deal found 5/11

$94

Sun 6/810:00 amMIA - PHL

Nonstop2h 52mMultiple Airlines

Mon 6/95:36 pmPHL - MIA

Nonstop3h 01mMultiple Airlines

Deal found 5/11

$97

Tue 6/109:01 pmMIA - PHL

Nonstop2h 57mAmerican Airlines

Tue 6/176:40 pmPHL - MIA

Nonstop3h 06mAmerican Airlines

Deal found 5/11

$199

Tue 6/107:22 pmMIA - PHL

1 stop5h 37mDelta

Tue 6/172:12 pmPHL - MIA

1 stop5h 14mDelta

Deal found 5/11

$219

One-way flights from Key Largo to Philadelphia
Search for one-way flight options from Key Largo to Philadelphia. Find affordable one-way fares based on user searches. Data last updated May 12, 2025.

Mon 6/210:49 amMIA - PHL

Nonstop2h 52mSpirit Airlines

Deal found 5/11

$52

Mon 6/169:42 pmMIA - PHL

Nonstop3h 08mFrontier

Deal found 5/11

$57

Wed 6/45:59 pmMIA - PHL

1 stop6h 58mDelta

Deal found 5/11

$120

Tue 7/1512:00 pmMIA - PHL

2 stops10h 45mSouthwest

Deal found 5/11

$165

Mon 5/269:05 amMIA - PHL

2 stops25h 54mMultiple Airlines

Deal found 5/10

$173

Wed 7/3011:43 amMIA - PHL

1 stop6h 07mJetBlue

Deal found 5/10

$223

Tue 5/209:04 pmMIA - PHL

1 stop12h 36mAmerican Airlines

Deal found 5/12

$258

Cheapflights Fare Finder

Use the filters below to find and compare flights from Key Largo to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Fri 5/30

9:42 pm-12:53 am

Nonstop3h 11m

Philadelphia

Sun 6/1

5:36 pm-8:37 pm

Nonstop3h 01m

$94

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Sun 6/8

10:00 am-12:52 pm

Nonstop2h 52m

Philadelphia

Mon 6/9

5:36 pm-8:37 pm

Nonstop3h 01m

$97

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Sun 6/8

10:00 am-12:52 pm

Nonstop2h 52m

Philadelphia

Mon 6/9

12:41 pm-3:26 pm

Nonstop2h 45m

$121

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Tue 6/10

9:01 pm-11:58 pm

Nonstop2h 57m

Philadelphia

Tue 6/17

6:40 pm-9:46 pm

Nonstop3h 06m

$199

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Tue 6/10

7:22 pm-12:59 am

1 stop5h 37m

Philadelphia

Tue 6/17

2:12 pm-7:26 pm

1 stop5h 14m

$219

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Mon 6/2

10:49 am-1:41 pm

Nonstop2h 52m

$52

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Mon 6/16

9:42 pm-12:50 am

Nonstop3h 08m

$57

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Wed 6/4

5:59 pm-12:57 am

1 stop6h 58m

$120

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Mon 5/26

9:05 am-10:59 am

2 stops25h 54m

$173

MiamiPhiladelphia

MIA - PHL

MIAPHL

Miami

Wed 8/13

11:43 am-5:50 pm

1 stop6h 07m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 13 results

Best time to book a flight from Key Largo to Philadelphia

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

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

The best time to book flights from Key Largo to Philadelphia is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Key Largo to Philadelphia (average of $236). Flying from Key Largo to Philadelphia in March is currently the most expensive (average of $295). 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 KE9 to PHL?

When flying from Key Largo to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Travelers seeking maximum savings on their Key Largo to Philadelphia flight should consider departing on Friday 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 Key Largo to Philadelphia

The most flights from KE9 to PHL are scheduled on a Monday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in Philadelphia by month

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Southwest, Delta and JetBlue from Key Largo to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,290 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,290 reviews

Southwest

8.0

Very good

4,290 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,290 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

JetBlue

7.3

Good

2,924 reviews

Southwest

8.0

Very good

4,290 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,290 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Spirit Airlines

6.3

Okay

7,984 reviews

Southwest

8.0

Very good

4,290 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

What airport do you fly into for flights to Philadelphia from Key Largo?
If you book a flight to Philadelphia from Key Largo, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 27 flights from Key Largo to Philadelphia per day from 5 different airlines.
How popular is this Key Largo to Philadelphia flight route?
Flights from Key Largo to Philadelphia have been viewed 64 times in the past calendar month.
What are the cheapest airlines to fly from Key Largo to Philadelphia one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Key Largo to Philadelphia for a low price.
What are the most reliable airlines from Key Largo to Philadelphia?
Before booking your flight to Philadelphia from Key Largo, check out the most reliable airlines to get you to your destination on time: Royal Air Maroc (90%), Spirit Airlines (86%), Aer Lingus( 85%).
What are the cheapest flights from Key Largo to Philadelphia?
The cheapest flight price from Key Largo to Philadelphia is $50. On average you can expect to pay $888. The most popular route, (Miami - Philadelphia), can usually be booked for $84.
Can I find deals for flights from Key Largo to Philadelphia that include hotel bookings?
Yes. In addition to deals on Key Largo to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key Largo to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Philadelphia.
Can I find deals for business class flights from Key Largo to Philadelphia?
Yes. Cheapflights offers flight deals from Key Largo to Philadelphia 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 Key Largo to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Key Largo to Philadelphia (average of $236). Flying from Key Largo to Philadelphia in March is currently the most expensive (average of $295). 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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Top 5 airlines flying from Key Largo to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$52	Average$123	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$64	Average$135	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$151	Average$385	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$196	Average$329	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$199	Average$377	FlexibilityNo cancel fee	On-time63%

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$52+ Cheap flights from Key Largo, FL to Philadelphia (PHL)

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Key Largo to Philadelphia with Cheapflights

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Cheapflights Tip: The best prices from Key Largo to Philadelphia are usually found in February or January, booked 90 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Key Largo to Philadelphia

Keep the following information in mind while searching for Key Largo to Philadelphia flight deals. Data was last updated May 12, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Key Largo to Philadelphia

Cheapest flights from Key Largo to PhiladelphiaExplore the most affordable flight options available from Key Largo to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

Explore the most affordable flight options available from Key Largo to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Key Largo to Philadelphia that are best for you.

Best time to book a flight from Key Largo to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Key Largo with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Philadelphia. Price data was last updated on May 9, 2025.

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

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

Find hourly flight availability from Key Largo to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Philadelphia. Price data was last updated on May 11, 2025.

Weekly flight availability from Key Largo to Philadelphia

Explore weekly flight availability from Key Largo to Philadelphia. 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 May 12, 2025.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Southwest, Delta and JetBlue from Key Largo to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How popular is this Key Largo to Philadelphia flight route?

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

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

What are the cheapest flights from Key Largo to Philadelphia?

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

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

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

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

Traveling to a place near Key Largo?

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Alternative routes for Key Largo to Philadelphia

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Top 5 airlines flying from Key Largo to Philadelphia

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Cheapest flights from Key Largo to Philadelphia
Explore the most affordable flight options available from Key Largo to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.