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Key Largo

$256+ Cheap flights from Peoria, IL (PIA) 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheap flight deals from Peoria to Key Largo

Keep the following information in mind while searching for Peoria to Key Largo flight deals. Data was last updated June 23, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$256
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$567
From Greater Peoria to Key Largo
Search Deals
One-way flight from Greater Peoria to Key Largo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Peoria to Key Largo

Cheapest flights from Peoria to Key Largo
Explore the most affordable flight options available from Peoria to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

This American Airlines deal was found by Cheapflights users on 6/22. 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 7/144:11 pmPIA - MIA
1 stop6h 19mAmerican Airlines
Sat 7/195:18 amMIA - PIA
1 stop6h 29mAmerican Airlines
Deal found 6/22$259
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/126:45 amPIA - MIA
1 stop7h 29mUnited Airlines
Sat 8/164:16 pmMIA - PIA
1 stop6h 16mUnited Airlines
Deal found 6/22$339
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:45 pmPIA - MIA
2 stops20h 23mMultiple Airlines
Sun 7/134:51 pmMIA - PIA
2 stops23h 07mMultiple Airlines
Deal found 6/22$438

Cheapflights Fare Finder

Customize your flight search to find flights from Peoria 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 June 23, 2025.
Use the filters below to find and compare flights from Peoria to Key Largo that are best for you.

Fly from

Peoria

Fly to

Key Largo

Route

Depart

Return

Price

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Mon 7/14

4:11 pm-11:30 pm

1 stop6h 19m

Miami

Sat 7/19

5:18 am-10:47 am

1 stop6h 29m

$259

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Tue 8/12

6:45 am-3:14 pm

1 stop7h 29m

Miami

Thu 8/21

4:16 pm-10:15 pm

1 stop6h 59m

$339

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 7/11

12:45 pm-10:08 am

2 stops20h 23m

Miami

Sun 7/13

4:51 pm-2:58 pm

2 stops23h 07m

$438

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 7/2

11:09 am-8:30 pm

1 stop8h 21m

$256

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 7/2

11:00 am-10:39 pm

2 stops10h 39m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Best time to book a flight from Peoria to Key Largo

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

What is the cheapest month to book a flight from Peoria, Illinois to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Peoria, Illinois to Key Largo (average of $229). Flying from Peoria, Illinois 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.

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 June 23, 2025.
To help decide which airline to fly from Peoria to Key Largo, see what other customers have to say about United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,830 reviews

Entertainment

7.0

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,830 reviews
United Airlines
7.4
Good
8,830 reviews

Entertainment

7.0

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,830 reviews

Entertainment

7.0

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

    Greater Peoria (PIA), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Peoria to Key Largo. 3 airlines have flights from Greater Peoria to Key Largo on a regular basis. Booking flights from Greater Peoria to Key Largo should not be difficult; the airport handles an average of 0 outbound flights to Key Largo per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria 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 Peoria, Illinois to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Peoria, Illinois to Key Largo (average of $229). Flying from Peoria, Illinois 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 3 airlines flying from Peoria to Key Largo

Discover the top 3 airlines that operate flights from Peoria 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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$111Average$164FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$258Average$513FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$279Average$558FlexibilityNo cancel feeOn-time69%

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