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Key Largo

$162+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/23. 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 12/1110:52 amPIA - MIA
1 stop7h 13mAmerican Airlines
Mon 12/155:05 pmMIA - PIA
1 stop7h 48mAmerican Airlines
Deal found 11/23$284
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Fri 12/123:08 pmPIA - MIA
1 stop13h 11mMultiple Airlines
Mon 12/157:05 amMIA - PIA
2 stops14h 16mMultiple Airlines
Deal found 11/25$336
This American Airlines deal was found by Cheapflights users on 11/26. 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 12/125:16 pmPIA - MIA
1 stop5h 36mAmerican Airlines
Mon 12/155:00 amMIA - PIA
1 stop6h 18mAmerican Airlines
Deal found 11/26$339
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/116:45 amPIA - MIA
1 stop7h 25mUnited Airlines
Mon 12/156:00 amMIA - PIA
2 stops11h 40mUnited Airlines
Deal found 11/23$344
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/233:30 pmPIA - MIA
1 stop5h 40mUnited Airlines
Tue 12/309:00 amMIA - PIA
1 stop6h 08mUnited Airlines
Deal found 11/23$363
This United Airlines deal was found by Cheapflights users on 11/26. 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 12/126:45 amPIA - MIA
2 stops10h 08mUnited Airlines
Mon 12/157:30 amMIA - PIA
2 stops10h 10mUnited Airlines
Deal found 11/26$403
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Fri 12/123:08 pmPIA - MIA
1 stop13h 11mMultiple Airlines
Sun 12/146:09 pmMIA - PIA
2 stops27h 12mMultiple Airlines
Deal found 11/25$409
This American Airlines deal was found by Cheapflights users on 11/25. 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 12/115:00 amPIA - MIA
1 stop5h 04mAmerican Airlines
Sat 12/137:10 pmMIA - PIA
1 stop5h 57mAmerican Airlines
Deal found 11/25$419

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$162
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$503
Provider with most accurate pricing for Greater Peoria-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Miami flights.
Search Deals
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. 8% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 26, 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

Sat 1/24

10:45 am-5:15 pm

1 stop5h 30m

Miami

Wed 1/28

4:19 pm-9:39 pm

1 stop6h 20m

$259

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sun 1/4

1:20 pm-10:10 pm

1 stop7h 50m

Miami

Wed 1/14

12:18 pm-4:43 pm

1 stop5h 25m

$259

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 1/9

1:24 pm-10:15 pm

1 stop7h 51m

Miami

Sat 1/10

6:00 am-2:23 pm

2 stops9h 23m

$304

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 1/9

5:16 pm-11:43 pm

1 stop5h 27m

Miami

Sat 1/10

9:45 am-4:32 pm

1 stop7h 47m

$314

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Tue 2/3

3:55 pm-12:58 am

1 stop8h 03m

Miami

Sat 2/7

7:30 am-3:50 pm

1 stop9h 20m

$339

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 12/12

5:16 pm-11:52 pm

1 stop5h 36m

Miami

Mon 12/15

5:00 am-10:18 am

1 stop6h 18m

$339

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Tue 1/27

6:30 am-3:05 pm

1 stop7h 35m

Miami

Sat 1/31

9:00 am-2:23 pm

1 stop6h 23m

$339

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 12/31

10:25 am-12:47 am

2 stops13h 22m

$162

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Thu 12/11

6:45 am-3:10 pm

1 stop7h 25m

$327

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 12/24

6:30 am-3:04 pm

1 stop7h 34m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 11 results
1
2

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, April is the cheapest month in which you can book a flight from Peoria, Illinois to Key Largo (average of $111). Flying from Peoria, Illinois to Key Largo in July is currently the most expensive (average of $271). 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 November 26, 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
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,050 reviews
United Airlines
7.4
Good
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,038 reviews
United Airlines
7.4
Good
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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, United Airlines can have you in Key Largo from Peoria, Illinois in 5h 30m. Airlines will cover a distance of 1159 mi.

  • 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, April is the cheapest month in which you can book a flight from Peoria, Illinois to Key Largo (average of $111). Flying from Peoria, Illinois to Key Largo in July is currently the most expensive (average of $271). 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$111Average$164FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$258Average$546FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$461FlexibilityNo cancel feeOn-time71%

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