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Key Largo

$157+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
May 10 — May 171
Sun 5/10
Sun 5/17
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 April 10, 2026.

This United Airlines deal was found by Cheapflights users on 4/8. 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 5/71:35 pm
PIA
-
MIA
1 stop7h 58m
United Airlines
Thu 5/147:40 pm
MIA
-
PIA
1 stop5h 26m
United Airlines
Deal found 4/8$359
This United Airlines deal was found by Cheapflights users on 4/9. 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 5/76:30 am
PIA
-
MIA
2 stops8h 46m
United Airlines
Sun 5/107:40 pm
MIA
-
PIA
1 stop5h 26m
United Airlines
Deal found 4/9$364
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/242:50 pm
PIA
-
MIA
1 stop6h 55m
United Airlines
Fri 5/17:40 pm
MIA
-
PIA
1 stop5h 26m
United Airlines
Deal found 4/8$374
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/211:20 pm
PIA
-
MIA
2 stops9h 02m
United Airlines
Sat 4/251:20 pm
MIA
-
PIA
2 stops8h 53m
United Airlines
Deal found 4/6$379
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/2410:40 am
PIA
-
MIA
2 stops11h 42m
United Airlines
Wed 5/1312:10 pm
MIA
-
PIA
1 stop5h 40m
United Airlines
Deal found 4/8$388
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/238:05 am
PIA
-
MIA
2 stops11h 53m
United Airlines
Mon 4/278:55 am
MIA
-
PIA
1 stop6h 13m
United Airlines
Deal found 4/8$394
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Mon 4/201:33 pm
PIA
-
MIA
1 stop16h 49m
Multiple Airlines
Fri 4/2411:32 am
MIA
-
PIA
2 stops23h 06m
Multiple Airlines
Deal found 4/5$405
This American Airlines deal was found by Cheapflights users on 4/5. 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 4/1712:12 pm
PIA
-
MIA
1 stop6h 34m
American Airlines
Thu 4/306:55 pm
MIA
-
PIA
1 stop5h 38m
American Airlines
Deal found 4/5$409
This American Airlines deal was found by Cheapflights users on 4/7. 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 5/812:12 pm
PIA
-
MIA
1 stop7h 32m
American Airlines
Sun 5/106:05 am
MIA
-
PIA
1 stop6h 37m
American Airlines
Deal found 4/7$417
This American Airlines deal was found by Cheapflights users on 4/6. 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 8/512:20 pm
PIA
-
MIA
1 stop8h 38m
American Airlines
Fri 8/147:30 pm
MIA
-
PIA
1 stop5h 34m
American Airlines
Deal found 4/6$419
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/58:30 am
PIA
-
MIA
2 stops8h 48m
United Airlines
Tue 5/127:00 am
MIA
-
PIA
2 stops10h 50m
United Airlines
Deal found 4/8$421

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(United Airlines)

One-way from

$157
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$498
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. 7% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 10, 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

Cheapest round-trip
Quickest round-trip

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 6/17

1:21 pm-10:27 pm

1 stop8h 06m

Miami

Wed 6/24

12:30 pm-7:26 pm

1 stop7h 56m

$429

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Mon 4/20

1:33 pm-7:22 am

1 stop16h 49m

Miami

Thu 4/23

5:35 pm-12:43 pm

2 stops20h 08m

$430

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 5/2

6:30 am-5:30 pm

2 stops10h 00m

Miami

Wed 5/6

4:20 pm-12:06 am

1 stop8h 46m

$434

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Tue 5/5

10:45 am-10:09 pm

2 stops10h 24m

Miami

Sat 5/9

10:16 am-6:59 pm

2 stops9h 43m

$516

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Fri 6/19

1:21 pm-10:27 pm

1 stop8h 06m

Miami

Sat 6/27

7:07 am-4:58 pm

2 stops10h 51m

$524

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Wed 5/6

6:30 am-4:16 pm

2 stops8h 46m

Miami

Sat 5/9

7:00 am-4:50 pm

2 stops10h 50m

$536

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 8/15

8:25 am-2:51 pm

1 stop5h 26m

Miami

Sun 8/23

1:30 pm-12:22 am

2 stops11h 52m

$586
Cheapest one-way

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Mon 4/20

1:33 pm-7:22 am

1 stop16h 49m

$157

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 5/16

10:58 am-12:44 am

3 stops36h 46m

$231

PeoriaMiami

PIA - MIA

PIAMIA

Greater Peoria

Sat 5/16

6:00 am-9:37 pm

1 stop14h 37m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 16 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 December is currently the most expensive (average of $268). 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.

How much does it cost to fly round-trip from Peoria, Illinois to Key Largo?

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 April 10, 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
9,562 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

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
9,562 reviews
United Airlines
7.4
Good
9,562 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

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
7.1
Good
11,564 reviews
United Airlines
7.4
Good
9,562 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

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 $429, United Airlines can have you in Key Largo from Peoria, Illinois in 8h 06m. 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 December is currently the most expensive (average of $268). 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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$111Average$129FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$258Average$436FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$478FlexibilityNo cancel feeOn-time69%

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