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Key Largo

$46+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — MIA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 61 days in advance, depart on a Saturday or Friday and return on a Thursday

Cheap 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 December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:51 pmPIT - MIA
Nonstop3h 03mAmerican Airlines
Thu 1/159:09 pmMIA - PIT
Nonstop2h 50mAmerican Airlines
Deal found 12/20$208
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/246:51 pmPIT - MIA
Nonstop3h 03mAmerican Airlines
Mon 12/299:04 pmMIA - PIT
Nonstop2h 50mAmerican Airlines
Deal found 12/21$250
This Southwest deal was found by Cheapflights users on 12/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:10 pmPIT - MIA
2 stops8h 40mSouthwest
Thu 1/152:30 pmMIA - PIT
Nonstop2h 50mSouthwest
Deal found 12/20$265
This Delta deal was found by Cheapflights users on 12/21. 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 12/246:00 amPIT - MIA
1 stop5h 39mDelta
Wed 12/3111:45 amMIA - PIT
1 stop5h 35mDelta
Deal found 12/21$270
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/301:59 pmPIT - MIA
1 stop8h 11mUnited Airlines
Mon 1/266:25 pmMIA - PIT
1 stop5h 03mUnited Airlines
Deal found 12/22$295
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/237:30 amPIT - MIA
1 stop7h 23mDelta
Wed 12/3110:34 amMIA - PIT
1 stop6h 46mDelta
Deal found 12/21$301
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Mon 12/226:51 pmPIT - MIA
Nonstop3h 03mAmerican Airlines
Wed 12/313:50 pmMIA - PIT
Nonstop2h 46mAmerican Airlines
Deal found 12/22$306
This Southwest deal was found by Cheapflights users on 12/21. 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.
Tue 12/236:00 amPIT - MIA
1 stop5h 10mSouthwest
Wed 12/241:05 pmMIA - PIT
1 stop7h 25mSouthwest
Deal found 12/21$314
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/307:40 pmPIT - MIA
1 stop5h 08mDelta
Wed 12/3110:34 amMIA - PIT
1 stop6h 46mDelta
Deal found 12/21$318

Find 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 December 23, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$158
(Southwest)

One-way from

$46
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$403
Provider with most accurate pricing for Pittsburgh-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Miami flights.
Search Deals
From Pittsburgh to Key Largo
Search Deals
One-way flight from Pittsburgh to Key Largo
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Mon 1/5

6:15 am-1:35 pm

1 stop7h 20m

Miami

Sat 1/10

6:30 am-12:10 pm

1 stop5h 40m

$158

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 1/25

1:10 pm-3:50 pm

Nonstop2h 40m

Miami

Wed 1/28

7:55 am-12:55 pm

1 stop5h 00m

$184

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 2/7

10:25 am-7:05 pm

2 stops8h 40m

Miami

Thu 2/12

5:10 pm-8:05 pm

Nonstop2h 55m

$189

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 1/18

3:55 pm-9:00 pm

1 stop5h 05m

Miami

Tue 1/20

4:30 pm-9:55 pm

1 stop5h 25m

$194

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 1/25

1:41 pm-6:20 pm

1 stop4h 39m

Miami

Sat 2/28

6:00 am-10:48 am

1 stop4h 48m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Thu 1/22

7:38 pm-12:51 am

1 stop5h 13m

Miami

Fri 1/23

10:29 am-3:58 pm

1 stop5h 29m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 1/24

3:00 pm-9:10 pm

1 stop6h 10m

Miami

Wed 2/4

1:21 pm-6:33 pm

1 stop5h 12m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 1/25

6:00 am-10:40 am

1 stop4h 40m

Miami

Thu 2/5

11:39 am-5:38 pm

1 stop5h 59m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Wed 1/21

11:55 am-5:15 pm

1 stop5h 20m

Miami

Wed 3/4

7:15 am-12:36 pm

1 stop5h 21m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Thu 1/22

11:55 am-5:00 pm

1 stop5h 05m

Miami

Tue 3/3

7:00 am-12:32 pm

1 stop5h 32m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 21 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 December 19, 2025.

To ensure you get the cheapest price possible for a flight from Pittsburgh to Key Largo, you should look to book at least 34 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, December is the cheapest month in which you can book a flight from Pittsburgh to Key Largo (average of $45). Flying from Pittsburgh to Key Largo in July is currently the most expensive (average of $106). 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 December 23, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from Pittsburgh to Key Largo by exploring options for tickets in the afternoon.

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 Sunday mornings when fares are most often at their lowest. Thursday at noon 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 December 23, 2025.

The most flights from PIT to KE9 are scheduled on a Saturday (5 on average). You will have fewer flight options on Thursday, 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 December 23, 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
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,105 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,196 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3 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 23 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 7h 20m. Fly via Southwest to get the fastest option. There are 1015 mi between Pittsburgh and Key Largo.

  • 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 $37. However, be on the lookout for offers from American Airlines and Delta, 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 Envoy Air (90%), American Airlines (77%) and Qatar Airways (73%).

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

    Looking at all options, your cheapest flight can be booked for $69. While the most popular route (Pittsburgh - Miami) can be booked for $91 on average, our data indicates $753 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, December is the cheapest month in which you can book a flight from Pittsburgh to Key Largo (average of $45). Flying from Pittsburgh to Key Largo in July is currently the most expensive (average of $106). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$170FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$71Average$288FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$85Average$195FlexibilityNo cancel feeOn-time88%
FrontierCheapest$105Average$191FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$195Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$379FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$207Average$390FlexibilityNo cancel feeOn-time69%

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