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Key Largo

$49+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — MIA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Key Largo are usually found in September or July, booked 70 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 September 16, 2025.

Round-trip from

$156
(Cheapflightsfares)

One-way from

$49
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$290
From Pittsburgh to Key Largo
Search Deals
One-way flight from Pittsburgh to Key Largo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/172:45 pmPIT - MIA
1 stop5h 14mFrontier
Mon 10/279:36 amMIA - PIT
1 stop5h 24mFrontier
Deal found 9/15$156
This Frontier deal was found by Cheapflights users on 9/16. 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 10/232:26 pmPIT - MIA
1 stop5h 28mFrontier
Mon 10/279:36 amMIA - PIT
1 stop5h 24mFrontier
Deal found 9/16$157
This Priceline deal was found by Cheapflights users on 9/16. 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.
Fri 10/242:45 pmPIT - MIA
1 stop5h 14mFrontier
Mon 10/279:36 amMIA - PIT
1 stop5h 24mFrontier
Deal found 9/16$158
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/156:30 amPIT - MIA
Nonstop2h 40mAmerican Airlines
Wed 10/228:55 pmMIA - PIT
Nonstop2h 41mAmerican Airlines
Deal found 9/15$159
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/87:18 pmPIT - MIA
Nonstop2h 42mAmerican Airlines
Sat 11/159:05 pmMIA - PIT
Nonstop2h 43mAmerican Airlines
Deal found 9/16$163
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/237:34 pmPIT - MIA
1 stop21h 31mSpirit Airlines
Thu 10/309:49 amMIA - PIT
1 stop7h 40mSpirit Airlines
Deal found 9/16$164
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Fri 10/312:38 pmPIT - MIA
1 stop5h 21mFrontier
Thu 11/610:36 pmMIA - PIT
1 stop15h 17mFrontier
Deal found 9/14$167
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/146:30 amPIT - MIA
Nonstop2h 40mAmerican Airlines
Tue 10/218:55 pmMIA - PIT
Nonstop2h 41mAmerican Airlines
Deal found 9/15$169
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/217:12 amPIT - MIA
2 stops10h 59mSpirit Airlines
Thu 10/309:49 amMIA - PIT
1 stop7h 40mSpirit Airlines
Deal found 9/16$170
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:00 amPIT - MIA
1 stop7h 17mUnited Airlines
Wed 11/512:39 pmMIA - PIT
1 stop6h 32mUnited Airlines
Deal found 9/16$171
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sun 10/265:27 pmPIT - MIA
1 stop18h 18mMultiple Airlines
Thu 10/309:49 amMIA - PIT
1 stop7h 40mMultiple Airlines
Deal found 9/16$172

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 September 16, 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

Tue 10/14

3:00 pm-9:55 pm

2 stops6h 55m

Miami

Tue 10/21

7:55 am-12:25 pm

1 stop4h 30m

$184

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 11/1

6:36 pm-12:29 am

1 stop5h 53m

Miami

Thu 11/6

7:10 am-12:43 pm

1 stop5h 33m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Wed 10/22

11:39 am-5:10 pm

1 stop5h 31m

Miami

Tue 10/28

6:15 pm-12:32 am

1 stop6h 17m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 11/9

7:47 pm-12:48 am

1 stop5h 01m

Miami

Sat 11/15

6:00 am-12:43 pm

1 stop6h 43m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 11/1

6:36 pm-12:29 am

1 stop5h 53m

Miami

Fri 11/7

10:40 am-3:55 pm

1 stop5h 15m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 10/11

4:59 pm-12:29 am

1 stop7h 30m

Miami

Wed 10/15

12:09 pm-7:10 pm

1 stop7h 01m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Wed 10/22

6:00 am-11:04 am

1 stop5h 04m

Miami

Wed 10/29

12:15 pm-5:31 pm

1 stop5h 16m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 10/18

6:38 pm-12:29 am

1 stop5h 51m

Miami

Thu 10/23

6:00 am-10:34 am

1 stop4h 34m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Wed 10/22

6:00 am-11:04 am

1 stop5h 04m

Miami

Fri 10/31

8:30 am-3:04 pm

1 stop6h 34m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Fri 11/21

3:00 pm-5:50 pm

Nonstop2h 50m

Miami

Wed 11/26

8:56 pm-11:37 pm

Nonstop2h 41m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 19 results
1
2

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Pittsburgh to Key Largo, you should look to book at least 48 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 September 16, 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.

Weekly flight availability from Pittsburgh to Key Largo

Explore weekly flight availability from Pittsburgh 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 September 16, 2025.

The most flights from PIT to KE9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 September 16, 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
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Pittsburgh to Key Largo?

    There are many flights that can get you from Pittsburgh to Key Largo in 5h 53m. Fly via Southwest or Delta to get the fastest option. There are 1015 mi between Pittsburgh and Key Largo. This flight may include one or multiple stops.

  • 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 (81%), American Airlines (67%) and Republic Airways (60%).

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

    Looking at all options, your cheapest flight can be booked for $109. While the most popular route (Pittsburgh - Miami) can be booked for $141 on average, our data indicates $424 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.

See more FAQs

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$172FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$89Average$207FlexibilityNo cancel feeOn-time88%
FrontierCheapest$100Average$180FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$165Average$313FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$353FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$201Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$439FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$228Average$387FlexibilityNo cancel feeOn-time63%

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