HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$61+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — MIA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pittsburgh to Key Largo with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Wednesday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$176
(CheapOair)

One-way from

$61
(Frontier)

Popular in

December

Cheapest in

August

Average price

$330
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. 16% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1511:41 amPIT - MIA
2 stops9h 49mSpirit Airlines
Mon 3/249:51 pmMIA - PIT
1 stop26h 38mSpirit Airlines
Deal found 2/20$175
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 3/42:45 pmPIT - MIA
1 stop25h 31mMultiple Airlines
Fri 3/72:23 pmMIA - PIT
2 stops24h 05mMultiple Airlines
Deal found 2/19$186
This Southwest deal was found by Cheapflights users on 2/20. 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 3/1212:40 pmPIT - MIA
Nonstop2h 50mSouthwest
Wed 3/191:25 pmMIA - PIT
Nonstop2h 50mSouthwest
Deal found 2/20$197
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 5/237:07 pmPIT - MIA
Nonstop2h 42mAmerican Airlines
Tue 5/273:31 pmMIA - PIT
Nonstop2h 46mAmerican Airlines
Deal found 2/20$201
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/611:29 amPIT - MIA
1 stop7h 25mDelta
Thu 3/137:10 amMIA - PIT
1 stop4h 34mDelta
Deal found 2/20$217
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/145:46 pmPIT - MIA
1 stop6h 05mUnited Airlines
Thu 4/177:00 amMIA - PIT
1 stop6h 14mUnited Airlines
Deal found 2/19$218
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/252:30 pmPIT - MIA
1 stop9h 55mFrontier
Sun 4/276:00 amMIA - PIT
1 stop5h 05mFrontier
Deal found 2/20$266
This JetBlue deal was found by Cheapflights users on 2/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/42:54 pmPIT - MIA
1 stop7h 40mJetBlue
Wed 3/56:00 amMIA - PIT
1 stop9h 22mJetBlue
Deal found 2/20$305

Find flights from Pittsburgh to Key Largo within your budget

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 20, 2025.

Fly from

Pittsburgh

Fly to

Key Largo

Route

Depart

Return

Price

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Sat 3/15

11:41 am-9:30 pm

2 stops9h 49m

Miami

Mon 3/24

9:51 pm-12:29 am

1 stop26h 38m

$175

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Tue 3/4

2:45 pm-4:16 pm

1 stop25h 31m

Miami

Fri 3/7

2:23 pm-2:28 pm

2 stops24h 05m

$186

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Wed 3/12

12:40 pm-3:30 pm

Nonstop2h 50m

Miami

Wed 3/19

1:25 pm-4:15 pm

Nonstop2h 50m

$197

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Fri 5/23

7:07 pm-9:49 pm

Nonstop2h 42m

Miami

Tue 5/27

3:31 pm-6:17 pm

Nonstop2h 46m

$201

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Thu 3/6

11:29 am-6:54 pm

1 stop7h 25m

Miami

Thu 3/13

7:10 am-11:44 am

1 stop4h 34m

$217

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 4/14

5:46 pm-11:51 pm

1 stop6h 05m

Miami

Thu 4/17

7:00 am-1:14 pm

1 stop6h 14m

$218

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Fri 4/25

2:30 pm-12:25 am

1 stop9h 55m

Miami

Sun 4/27

6:00 am-11:05 am

1 stop5h 05m

$266

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Tue 3/4

2:54 pm-10:34 pm

1 stop7h 40m

Miami

Wed 3/5

6:00 am-3:22 pm

1 stop9h 22m

$305

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Mon 4/7

2:20 pm-12:35 am

1 stop10h 15m

$61

PittsburghMiami

PIT - MIA

PITMIA

Pittsburgh

Fri 3/21

6:00 am-10:13 am

1 stop28h 13m

$62

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 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.

Travel insights for flights from Pittsburgh to Key Largo

Get recent, data-driven insights about flights from Pittsburgh to Key Largo including ideal travel times, pricing trends, and more.

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 14, 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 $231). 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 February 20, 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 Tuesday afternoons when fares are most often at their lowest. Tuesday 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 February 20, 2025.

The most flights from PIT to KE9 are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Pittsburgh to Key Largo by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 10 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 Frontier, with whom users have recently found tickets for as low as $61. However, be on the lookout for offers from Spirit Airlines and JetBlue, 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 Spirit Airlines (100%), Republic Airways (100%) and Qatar Airways (67%).

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

    Looking at all options, your cheapest flight can be booked for $89. While the most popular route (Pittsburgh - Miami) can be booked for $99 on average our data indicates $879 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 $231). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pittsburgh to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Orlando flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to West Palm Beach flights
LaGuardia to Orlando flights
Newark to Tampa flights
LaGuardia to Tampa flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
Dulles Intl to Orlando flights
Newark to West Palm Beach flights
LaGuardia to West Palm Beach flights
Reagan-National to Orlando flights
Dulles Intl to Miami flights
Newark to Fort Myers flights
Philadelphia to Orlando flights
Philadelphia to Fort Lauderdale flights
Philadelphia to Miami flights
Dulles Intl to Tampa flights
Philadelphia to Tampa flights
Reagan-National to Tampa flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to Fort Lauderdale flights
Dulles Intl to West Palm Beach flights
LaGuardia to Fort Myers flights
John F Kennedy Intl to Fort Myers flights
Newark to Jacksonville flights
Newark to Sarasota flights
John F Kennedy Intl to Jacksonville flights
Reagan-National to West Palm Beach flights
Newark to Key West flights
LaGuardia to Jacksonville flights
Pittsburgh to Fort Lauderdale flights
Dulles Intl to Fort Myers flights
LaGuardia to Sarasota flights
John F Kennedy Intl to Sarasota flights
Pittsburgh to Orlando flights
Pittsburgh to Miami flights
John F Kennedy Intl to Key West flights
Reagan-National to Fort Myers flights
Dulles Intl to Jacksonville flights
Philadelphia to Jacksonville flights
LaGuardia to Key West flights
Philadelphia to West Palm Beach flights
Philadelphia to Key West flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$69Average$171FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$91Average$200FlexibilityNo cancel feeOn-time88%
FrontierCheapest$102Average$154FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$178Average$324FlexibilityNo cancel feeOn-time62%
DeltaCheapest$197Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$201Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$438FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$240Average$400FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.