$285+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Peoria to Key Largo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Peoria to Key Largo
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Best
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One-way
Cheapest flights from Peoria to Key LargoExplore 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 31, 2026.
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 31, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:18 pm -
1 stop7h 24m
Tue 12/153:40 pm -
1 stop6h 46m
Deal found 8/27![American Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/194:27 pm -
1 stop6h 32m
Sat 9/264:52 pm -
1 stop8h 16m
Deal found 8/30![American Airlines logo]()
$348
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.
Sun 10/116:15 am -
1 stop6h 06m
Sat 10/178:54 am -
2 stops11h 07m
Deal found 8/27![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/94:27 pm -
1 stop6h 32m
Sat 9/126:54 pm -
1 stop6h 14m
Deal found 8/26![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/910:32 am -
2 stops11h 02m
Sat 9/1212:17 pm -
1 stop5h 41m
Deal found 8/26![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/178:29 am -
1 stop5h 22m
Sun 9/203:57 pm -
1 stop6h 02m
Deal found 8/30![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/30. 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 12/52:36 pm -
1 stop6h 58m
Sat 12/126:25 pm -
1 stop5h 44m
Deal found 8/30![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/310:43 am -
2 stops11h 56m
Tue 10/612:26 pm -
1 stop7h 35m
Deal found 8/30![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/30. 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 10/224:27 pm -
1 stop7h 25m
Mon 10/265:32 pm -
1 stop7h 24m
Deal found 8/30![American Airlines logo]()
$418
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.
Sat 12/128:00 am -
2 stops13h 16m
Mon 12/149:00 am -
2 stops13h 00m
Deal found 8/27![United Airlines logo]()
$423
Best flights from Peoria to Key LargoDiscover carefully curated flight deals from Peoria to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Peoria to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/178:29 am -
1 stop5h 22m
Sun 9/203:57 pm -
1 stop6h 02m
Deal found 8/30![United Airlines logo]()
$400
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.
Sat 12/52:36 pm -
1 stop6h 58m
Sat 12/126:25 pm -
1 stop5h 44m
Deal found 8/28![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/310:43 am -
2 stops11h 56m
Tue 10/612:26 pm -
1 stop7h 35m
Deal found 8/30![United Airlines logo]()
$412
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.
Thu 12/108:00 am -
2 stops12h 38m
Tue 12/159:00 am -
2 stops11h 03m
Deal found 8/27![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/30. 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 12/112:36 pm -
1 stop6h 58m
Mon 12/141:25 pm -
2 stops8h 35m
Deal found 8/30![United Airlines logo]()
$436
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.
Sat 9/126:05 am -
1 stop7h 46m
Wed 9/163:57 pm -
1 stop8h 16m
Deal found 8/28![United Airlines logo]()
$469
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 9/116:00 am -
1 stop7h 51m
Tue 9/153:57 pm -
1 stop6h 02m
Deal found 8/27![United Airlines logo]()
$469
Last-minute flights from Peoria to Key LargoDiscover last-minute flight deals from Peoria to Key Largo. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Key Largo. Data last updated August 31, 2026 and is based on user searches.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:02 pm -
1 stop7h 09m
Sat 9/125:20 pm -
1 stop6h 37m
Deal found 8/27![American Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 8/2910:41 am -
2 stops10h 53m
Sat 9/1211:30 am -
2 stops10h 29m
Deal found 8/26![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/94:27 pm -
1 stop6h 32m
Sat 9/126:54 pm -
1 stop6h 14m
Deal found 8/26![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/910:32 am -
2 stops11h 02m
Sat 9/1212:17 pm -
1 stop5h 41m
Deal found 8/26![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/156:00 am -
2 stops8h 34m
Sat 9/199:59 am -
1 stop7h 12m
Deal found 8/31![American Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1510:32 am -
2 stops11h 02m
Sat 9/197:00 am -
2 stops10h 58m
Deal found 8/31![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/178:29 am -
1 stop5h 22m
Sun 9/203:57 pm -
1 stop6h 02m
Deal found 8/30![United Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/194:27 pm -
1 stop6h 32m
Sat 9/264:52 pm -
1 stop8h 16m
Deal found 8/30![American Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/196:05 am -
1 stop7h 46m
Sat 9/267:00 am -
2 stops13h 01m
Deal found 8/30![United Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/244:27 pm -
1 stop6h 32m
Sun 9/277:01 pm -
1 stop5h 53m
Deal found 8/30![American Airlines logo]()
$433
One-way flights from Peoria to Key LargoSearch for one-way flight options from Peoria to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Peoria to Key Largo. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/1310:07 am -
1 stop13h 39m
Deal found 8/30![Multiple Airlines logo]()
$285
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.
Wed 9/236:18 am -
1 stop5h 49m
Deal found 8/28![American Airlines logo]()
$309
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.
Wed 12/232:35 pm -
1 stop7h 15m
Deal found 8/27![United Airlines logo]()
$316
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.
Wed 9/235:50 am -
2 stops9h 41m
Deal found 8/28![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/256:15 am -
2 stops15h 04m
Deal found 8/26![United Airlines logo]()
$431
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.
Wed 12/238:48 am -
3 stops38h 21m
Deal found 8/27![Multiple Airlines logo]()
$522
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (American Airlines) |
One-way from | $285 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $402 |
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 7,457,451 searches. Data last updated August 31, 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
Cheapest round-trip
Quickest round-trip
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Thu 9/17
8:29 am-2:51 pm
1 stop5h 22m
Miami
Sun 9/20
3:57 pm-8:59 pm
1 stop6h 02m
$400
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Sat 12/5
2:36 pm-10:34 pm
1 stop6h 58m
Miami
Sat 12/12
6:25 pm-11:09 pm
1 stop5h 44m
$407
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Sat 10/3
10:43 am-11:39 pm
2 stops11h 56m
Miami
Tue 10/6
12:26 pm-7:01 pm
1 stop7h 35m
$412
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Thu 12/10
8:00 am-9:38 pm
2 stops12h 38m
Miami
Tue 12/15
9:00 am-7:03 pm
2 stops11h 03m
$424
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Fri 12/11
2:36 pm-10:34 pm
1 stop6h 58m
Miami
Mon 12/14
1:25 pm-9:00 pm
2 stops8h 35m
$436
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Sat 9/12
6:05 am-2:51 pm
1 stop7h 46m
Miami
Wed 9/16
3:57 pm-11:13 pm
1 stop8h 16m
$469
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Fri 9/11
6:00 am-2:51 pm
1 stop7h 51m
Miami
Tue 9/15
3:57 pm-8:59 pm
1 stop6h 02m
$469
Cheapest one-way
Quickest one-way
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Fri 9/25
4:27 pm-11:59 pm
1 stop6h 32m
$309
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Wed 9/23
6:00 am-3:38 pm
2 stops8h 38m
$314
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Wed 12/23
2:35 pm-10:50 pm
1 stop7h 15m
$316
Showing 1-10 of 13 resultsSorted by cheapest first
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.
PIA-MIA
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
PIA-KE9
PIA-MIA
No data available for this route at this time. Please check back soon.
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 31, 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.
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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.
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Alternative routes for Peoria to Key Largo
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Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Peoria to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Peoria and Key Largo flights
Browse other Peoria and Key Largo flight options. Last updated on August 31, 2026.
Other flights from Peoria
Browse through other flights departing from Peoria. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Peoria to Key Largo flights
Consider these flights traveling from Peoria to Key Largo.
Top 2 airlines flying from Peoria to Key Largo
Discover the top 2 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$461 | FlexibilityNo cancel fee | On-time69% |