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Key Largo

$259+ Cheap flights from Peoria, IL (PIA) to Key Largo, FL

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
Sep 4 — Sep 111
Thu 9/4
Thu 9/11
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 August 30, 2025.

Round-trip from

$259
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$338
From Greater Peoria to Key Largo
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 30, 2025.

This American Airlines deal was found by Cheapflights users on 8/28. 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 11/46:00 amPIA - MIA
1 stop5h 17mAmerican Airlines
Tue 11/1111:25 amMIA - PIA
1 stop6h 15mAmerican Airlines
Deal found 8/28$259
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/510:42 amPIA - MIA
2 stops28h 11mMultiple Airlines
Thu 10/96:06 pmMIA - PIA
1 stop22h 39mMultiple Airlines
Deal found 8/27$268
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/136:54 amPIA - MIA
1 stop6h 51mAmerican Airlines
Wed 9/173:47 pmMIA - PIA
1 stop8h 36mAmerican Airlines
Deal found 8/29$289
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 10/310:48 amPIA - MIA
2 stops10h 57mUnited Airlines
Tue 10/74:17 pmMIA - PIA
1 stop6h 58mUnited Airlines
Deal found 8/27$293
This American Airlines deal was found by Cheapflights users on 8/28. 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 11/226:25 pmPIA - MIA
1 stop5h 21mAmerican Airlines
Wed 11/262:55 pmMIA - PIA
1 stop8h 49mAmerican Airlines
Deal found 8/28$304
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 9/258:10 amPIA - MIA
1 stop6h 01mUnited Airlines
Thu 10/212:27 pmMIA - PIA
1 stop5h 16mUnited Airlines
Deal found 8/28$309
This American Airlines deal was found by Cheapflights users on 8/29. 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 10/244:23 pmPIA - MIA
1 stop6h 11mAmerican Airlines
Tue 10/283:57 pmMIA - PIA
1 stop8h 18mAmerican Airlines
Deal found 8/29$334

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 August 30, 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

Tue 11/4

6:00 am-12:17 pm

1 stop5h 17m

Miami

Tue 11/11

11:25 am-4:40 pm

1 stop6h 15m

$259

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 1/10

1:24 pm-10:15 pm

1 stop7h 51m

Miami

Sat 1/17

7:15 am-4:43 pm

2 stops10h 28m

$264

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sun 10/5

10:42 am-3:53 pm

2 stops28h 11m

Miami

Thu 10/9

6:06 pm-3:45 pm

1 stop22h 39m

$268

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 9/13

6:54 am-2:45 pm

1 stop6h 51m

Miami

Wed 9/17

3:47 pm-11:23 pm

1 stop8h 36m

$289

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 10/3

10:48 am-10:45 pm

2 stops10h 57m

Miami

Tue 10/7

4:17 pm-10:15 pm

1 stop6h 58m

$293

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 11/22

6:25 pm-12:46 am

1 stop5h 21m

Miami

Wed 11/26

2:55 pm-10:44 pm

1 stop8h 49m

$304

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Tue 11/25

10:51 am-6:17 pm

1 stop6h 26m

$267

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Mon 11/24

10:51 am-6:17 pm

1 stop6h 26m

$277

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 11/22

10:51 am-11:59 pm

2 stops12h 08m

$300

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 11/21

10:51 am-6:17 pm

1 stop6h 26m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

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 $232). 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.

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 August 30, 2025.
See what other customers who have flown with United Airlines and American Airlines from Peoria to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,942 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

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
8,942 reviews
United Airlines
7.4
Good
8,942 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

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
8,942 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

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.

  • How long is the flight from Peoria, Illinois to Key Largo?

    For as low as $259, American Airlines can have you in Key Largo from Peoria, Illinois in 5h 17m. Airlines will cover a distance of 1159 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $232). 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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Alternative routes for Peoria to Key Largo

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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 August 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$111Average$164FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$258Average$551FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$476FlexibilityNo cancel feeOn-time71%

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