Key Largo

$74+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — MIA
Mar 13 — Mar 201
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Cheapflights Tip: The best prices from Pittsburgh to Key Largo are usually found in January or September, booked 68 days in advance, depart on a Sunday or Saturday 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 February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/8. 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 3/147:15 pm
PIT
-
MIA
Nonstop2h 54m
American Airlines
Wed 3/187:55 pm
MIA
-
PIT
Nonstop2h 51m
American Airlines
Deal found 2/8$131
This American Airlines deal was found by Cheapflights users on 2/9. 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 5/67:16 pm
PIT
-
MIA
Nonstop2h 49m
American Airlines
Mon 5/119:05 pm
MIA
-
PIT
Nonstop2h 51m
American Airlines
Deal found 2/9$137
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/117:15 pm
PIT
-
MIA
Nonstop2h 54m
American Airlines
Tue 3/179:00 pm
MIA
-
PIT
Nonstop2h 49m
American Airlines
Deal found 2/9$147
This American Airlines deal was found by Cheapflights users on 2/9. 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 5/97:16 pm
PIT
-
MIA
Nonstop2h 49m
American Airlines
Tue 5/129:05 pm
MIA
-
PIT
Nonstop2h 51m
American Airlines
Deal found 2/9$150
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/107:15 pm
PIT
-
MIA
Nonstop2h 54m
American Airlines
Tue 3/173:33 pm
MIA
-
PIT
Nonstop2h 52m
American Airlines
Deal found 2/10$157
This Southwest deal was found by Cheapflights users on 2/8. 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.
Sun 2/223:10 pm
PIT
-
MIA
Nonstop2h 45m
Southwest
Thu 2/265:10 pm
MIA
-
PIT
Nonstop2h 55m
Southwest
Deal found 2/8$167
This Southwest deal was found by Cheapflights users on 2/8. 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 5/251:35 pm
PIT
-
MIA
1 stop9h 15m
Southwest
Sat 5/306:15 am
MIA
-
PIT
1 stop10h 00m
Southwest
Deal found 2/8$181
This Southwest deal was found by Cheapflights users on 2/9. 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 2/236:00 am
PIT
-
MIA
1 stop5h 15m
Southwest
Thu 2/261:40 pm
MIA
-
PIT
1 stop8h 50m
Southwest
Deal found 2/9$187
This Southwest deal was found by Cheapflights users on 2/8. 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.
Sun 3/159:30 am
PIT
-
MIA
Nonstop2h 45m
Southwest
Wed 3/186:30 am
MIA
-
PIT
1 stop8h 45m
Southwest
Deal found 2/8$188
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 4/307:16 pm
PIT
-
MIA
Nonstop2h 49m
American Airlines
Sat 5/99:05 pm
MIA
-
PIT
Nonstop2h 51m
American Airlines
Deal found 2/7$189

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$131
(American Airlines)

One-way from

$74
(Southwest)

Popular in

December

Cheapest in

January

Average price

$359
Provider with most accurate pricing for Pittsburgh-Miami flight deals.
Provider most trusted by Cheapflights users for Pittsburgh-Miami flights.
From Pittsburgh to Key Largo
One-way flight from Pittsburgh to Key Largo
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 11, 2026.
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 2/23

6:00 am-11:15 am

1 stop5h 15m

Miami

Thu 2/26

5:10 pm-8:05 pm

Nonstop2h 55m

$177

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 3/2

1:10 pm-3:50 pm

Nonstop2h 40m

Miami

Fri 3/6

6:40 am-3:10 pm

1 stop8h 30m

$182

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 3/15

9:30 am-12:15 pm

Nonstop2h 45m

Miami

Wed 3/18

6:30 am-3:15 pm

1 stop8h 45m

$188

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 2/22

6:00 am-12:23 pm

1 stop6h 23m

Miami

Sat 2/28

6:00 am-10:48 am

1 stop4h 48m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Thu 5/7

6:29 pm-12:55 am

1 stop6h 26m

Miami

Wed 5/13

5:51 pm-12:45 am

1 stop6h 54m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sun 2/22

3:10 pm-5:55 pm

Nonstop2h 45m

Miami

Fri 2/27

5:10 pm-8:05 pm

Nonstop2h 55m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 4/27

5:00 pm-11:00 pm

1 stop6h 00m

Miami

Thu 4/30

5:30 am-2:05 pm

1 stop8h 35m

$202

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 2/28

4:35 pm-10:15 pm

1 stop5h 40m

Miami

Tue 3/3

7:55 am-12:55 pm

1 stop5h 00m

$203

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 3/9

7:35 pm-12:52 am

1 stop5h 17m

Miami

Tue 3/17

9:25 am-6:07 pm

1 stop8h 42m

$207

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Tue 3/24

7:35 pm-12:52 am

1 stop5h 17m

Miami

Wed 4/1

6:00 am-10:47 am

1 stop4h 47m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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 February 6, 2026.

To ensure you get the cheapest price possible for a flight from Pittsburgh to Key Largo, you should look to book at least 68 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 $37). 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 February 11, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 36% 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 February 7, 2026.

Travelers seeking maximum savings on their Pittsburgh to Key Largo flight should consider departing on Tuesday afternoons 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.

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 February 11, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and American 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.

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

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

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

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

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

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

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

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

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

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

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

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 1 outbound flight to Key Largo per day from 7 airlines. Pittsburgh is conveniently located just 13.5 mi from Pittsburgh’s city center.

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

  • 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 15m. 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 $36. However, be on the lookout for offers from JetBlue and American Airlines, 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 (85%), Qatar Airways (81%) and American Airlines (72%).

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

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Pittsburgh - Miami) can be booked for $167 on average, our data indicates $724 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 $37). 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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Alternative routes for Pittsburgh to Key Largo

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

Top 7 airlines flying from Pittsburgh to Key Largo

Discover the top 7 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$62Average$192FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$69Average$264FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$87Average$210FlexibilityNo cancel feeOn-time88%
DeltaCheapest$108Average$320FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$360FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$180Average$370FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$207Average$324FlexibilityNo cancel feeOn-time69%

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