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Key Largo

$85+ Cheap flights from Pittsburgh (PIT) 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — MIA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Key Largo are usually found in August or September, booked 24 days in advance, depart on a Friday or Sunday and return on a Thursday

Cheap flight deals from Pittsburgh to Key Largo

Keep the following information in mind while searching for Pittsburgh to Key Largo flight deals. Data was last updated July 29, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$85
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$297
From Pittsburgh to Key Largo
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One-way flight from Pittsburgh to Key Largo
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Highest demand for flights based on searches. 11% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Pittsburgh to Key Largo

Cheapest flights from Pittsburgh to Key Largo
Explore the most affordable flight options available from Pittsburgh to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/206:10 amPIT - MIA
Nonstop2h 47mAmerican Airlines
Sat 9/277:53 pmMIA - PIT
Nonstop2h 55mAmerican Airlines
Deal found 7/29$159
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Sun 9/211:54 pmPIT - MIA
2 stops10h 55mSpirit Airlines
Sun 9/289:54 amMIA - PIT
1 stop10h 02mSpirit Airlines
Deal found 7/28$169
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:10 amPIT - MIA
1 stop6h 10mSouthwest
Tue 9/96:55 amMIA - PIT
1 stop4h 25mSouthwest
Deal found 7/29$178
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 11/14:59 pmPIT - MIA
1 stop7h 30mDelta
Sat 11/88:30 amMIA - PIT
1 stop8h 07mDelta
Deal found 7/29$197
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/143:14 pmPIT - MIA
1 stop5h 24mMultiple Airlines
Mon 8/189:59 amMIA - PIT
1 stop6h 16mMultiple Airlines
Deal found 7/29$198
This Frontier deal was found by Cheapflights users on 7/29. 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.
Thu 8/143:14 pmPIT - MIA
1 stop5h 24mFrontier
Mon 8/186:00 amMIA - PIT
1 stop10h 45mFrontier
Deal found 7/29$218

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 July 29, 2025.
Use the filters below to find and compare flights from Pittsburgh to Key Largo that are best for you.

Fly from

Pittsburgh

Fly to

Key Largo

Route

Depart

Return

Price

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 9/7

6:10 am-8:57 am

Nonstop2h 47m

Miami

Sat 9/13

7:53 pm-10:48 pm

Nonstop2h 55m

$159

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 9/21

1:54 pm-12:49 am

2 stops10h 55m

Miami

Sun 9/28

9:54 am-7:56 pm

1 stop10h 02m

$169

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 9/8

5:35 am-10:55 am

1 stop5h 20m

Miami

Fri 9/12

7:35 am-12:00 pm

1 stop4h 25m

$178

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Tue 9/2

8:30 am-3:20 pm

1 stop6h 50m

Miami

Sat 9/6

6:00 am-10:16 am

1 stop4h 16m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Thu 8/14

3:14 pm-8:38 pm

1 stop5h 24m

Miami

Mon 8/18

9:59 am-4:15 pm

1 stop6h 16m

$198

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Thu 8/21

3:10 pm-9:35 pm

1 stop6h 25m

Miami

Sun 8/24

9:08 am-3:54 pm

1 stop6h 46m

$217

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 8/18

8:12 am-7:23 pm

1 stop11h 11m

$85

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 9/8

5:35 am-10:55 am

1 stop5h 20m

$89

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 8/17

3:14 pm-8:38 pm

1 stop5h 24m

$103

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Tue 8/26

6:05 am-8:49 am

Nonstop2h 44m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Key Largo. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Pittsburgh to Key Largo, you should look to book at least 24 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 Pittsburgh to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Key Largo (average of $232). Flying from Pittsburgh to Key Largo in March is currently the most expensive (average of $289). 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 PIT to KE9?

Find hourly flight availability from Pittsburgh 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 July 29, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Key Largo. Price data was last updated on December 16, 2024.

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

How much does it cost to fly round-trip from Pittsburgh to Key Largo?

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 July 29, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Pittsburgh to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,977 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,899 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,040 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

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

    Most people fly from Pittsburgh (PIT) if they book a flight from Pittsburgh to Key Largo. On average, Pittsburgh has 2 outbound flights to Key Largo per day from 8 airlines. Pittsburgh is conveniently located just 13.5 mi from Pittsburgh’s city center.

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

    The Pittsburgh to Key Largo flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Southwest and Frontier, as they are both options that can get you from Pittsburgh to Key Largo for a low price.

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

    The top 3 most reliable airlines when flying from Pittsburgh to Key Largo are Qatar Airways (80%), Southwest (67%) and Republic Airways (67%).

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

    Looking at all options, your cheapest flight can be booked for $139. While the most popular route (Pittsburgh - Miami) can be booked for $160 on average our data indicates $802 when flying from Pittsburgh to Key Largo.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Key Largo (average of $232). Flying from Pittsburgh to Key Largo in March is currently the most expensive (average of $289). 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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Top 8 airlines flying from Pittsburgh to Key Largo

Discover the top 8 airlines that operate flights from Pittsburgh 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$164FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$89Average$193FlexibilityNo cancel feeOn-time88%
FrontierCheapest$100Average$160FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$171Average$324FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$202Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$437FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$228Average$383FlexibilityNo cancel feeOn-time63%

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