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Key Largo

$237+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap 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 February 27, 2026.

This American Airlines deal was found by Cheapflights users on 2/26. 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.
Tue 4/712:12 pm
PIA
-
MIA
1 stop6h 34m
American Airlines
Tue 4/145:31 pm
MIA
-
PIA
1 stop6h 42m
American Airlines
Deal found 2/26$279
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 4/82:50 pm
PIA
-
MIA
1 stop6h 55m
United Airlines
Tue 4/146:15 am
MIA
-
PIA
2 stops11h 29m
United Airlines
Deal found 2/22$284
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 3/251:17 pm
PIA
-
MIA
2 stops7h 28m
American Airlines
Wed 4/16:19 am
MIA
-
PIA
1 stop7h 28m
American Airlines
Deal found 2/23$290
This United Airlines deal was found by Cheapflights users on 2/23. 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 5/72:50 pm
PIA
-
MIA
1 stop6h 43m
United Airlines
Mon 5/117:25 pm
MIA
-
PIA
1 stop5h 34m
United Airlines
Deal found 2/23$312
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/302:50 pm
PIA
-
MIA
1 stop6h 43m
United Airlines
Tue 5/57:00 am
MIA
-
PIA
2 stops10h 50m
United Airlines
Deal found 2/24$318
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Sat 9/264:32 pm
PIA
-
MIA
1 stop5h 38m
American Airlines
Fri 10/25:30 pm
MIA
-
PIA
1 stop7h 46m
American Airlines
Deal found 2/25$319
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Sat 5/168:30 am
PIA
-
MIA
2 stops8h 48m
United Airlines
Sun 5/248:48 am
MIA
-
PIA
2 stops11h 38m
United Airlines
Deal found 2/24$323
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Fri 3/131:17 pm
PIA
-
MIA
2 stops7h 28m
American Airlines
Tue 3/175:30 pm
MIA
-
PIA
1 stop6h 43m
American Airlines
Deal found 2/25$340

Find 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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(American Airlines)

One-way from

$237
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$501
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. 5% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 27, 2026.
Use the filters below to find and compare flights from Peoria to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 5/6

8:30 am-6:18 pm

2 stops8h 48m

Miami

Mon 5/11

7:25 pm-11:59 pm

1 stop5h 34m

$284

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 5/16

8:30 am-6:18 pm

2 stops8h 48m

Miami

Sun 5/24

8:48 am-7:26 pm

2 stops11h 38m

$323

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 4/11

1:20 pm-10:45 pm

1 stop8h 25m

Miami

Sat 4/18

8:55 am-2:08 pm

1 stop6h 13m

$359

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 4/18

10:40 am-10:28 pm

2 stops10h 48m

Miami

Wed 4/22

4:18 pm-10:57 pm

1 stop7h 39m

$364

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Tue 3/10

6:35 am-1:15 pm

1 stop5h 40m

Miami

Sat 3/14

9:00 am-1:45 pm

1 stop5h 45m

$389

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Thu 5/7

8:30 am-6:18 pm

2 stops8h 48m

Miami

Mon 5/11

7:25 pm-11:59 pm

1 stop5h 34m

$390

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Thu 7/23

8:20 am-8:33 pm

2 stops11h 13m

Miami

Mon 7/27

5:24 pm-12:15 am

1 stop7h 51m

$431

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 3/13

6:35 am-4:11 pm

2 stops8h 36m

Miami

Tue 3/17

6:00 am-1:45 pm

2 stops8h 45m

$511

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 3/11

1:25 pm-10:24 pm

1 stop7h 59m

Miami

Wed 3/18

6:00 am-1:45 pm

2 stops8h 45m

$530

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 3/11

1:25 pm-11:06 pm

2 stops8h 41m

Miami

Sun 3/15

9:00 am-1:45 pm

1 stop5h 45m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 19 resultsSorted by cheapest first
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 $282). 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 February 27, 2026.
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
9,352 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,352 reviews
United Airlines
7.4
Good
9,352 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,359 reviews
United Airlines
7.4
Good
9,352 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $284, United Airlines can have you in Key Largo from Peoria, Illinois in 8h 48m. 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 $282). 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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$111Average$130FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$258Average$441FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$495FlexibilityNo cancel feeOn-time69%

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