$302+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — MIA
Sep 24 — Oct 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
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 25, 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 25, 2026.
This American Airlines deal was found by Cheapflights users on 8/25. 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 12/104:18 pm -
1 stop7h 24m
Tue 12/155:01 pm -
1 stop7h 58m
Deal found 8/25![American Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 8/23. 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 10/225:30 pm -
1 stop5h 09m
Mon 10/266:56 pm -
1 stop6h 14m
Deal found 8/23![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 8/24. 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 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 9/266:54 pm -
1 stop6h 14m
Deal found 8/24![American Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/196:05 am -
1 stop7h 46m
Sat 9/268:54 am -
2 stops11h 07m
Deal found 8/24![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sun 9/65:05 am -
1 stop5h 15m
Thu 9/104:52 pm -
1 stop8h 16m
Deal found 8/21![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/296:34 am -
1 stop8h 06m
Sat 9/196:48 pm -
1 stop5h 09m
Deal found 8/21![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 8/21. 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 -
2 stops7h 34m
Sat 9/266:54 pm -
1 stop6h 14m
Deal found 8/21![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/223:02 pm -
1 stop6h 15m
Sat 9/269:59 am -
1 stop7h 12m
Deal found 8/21![American Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/226:05 am -
1 stop7h 46m
Tue 9/294:01 pm -
1 stop7h 57m
Deal found 8/24![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/226:34 am -
1 stop5h 37m
Fri 9/255:20 pm -
1 stop6h 37m
Deal found 8/21![American Airlines logo]()
$409
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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/226:05 am -
1 stop7h 46m
Tue 9/294:01 pm -
1 stop7h 57m
Deal found 8/24![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 8/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 pm -
1 stop5h 09m
Mon 10/265:32 pm -
1 stop7h 24m
Deal found 8/22![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/38:30 am -
2 stops9h 22m
Thu 10/84:01 pm -
1 stop7h 57m
Deal found 8/21![United Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
2 stops11h 37m
Sat 10/104:05 pm -
1 stop7h 53m
Deal found 8/25![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/156:15 am -
1 stop6h 06m
Wed 10/214:01 pm -
1 stop7h 57m
Deal found 8/21![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Thu 12/108:00 am -
1 stop8h 00m
Tue 12/1510:07 am -
2 stops11h 53m
Deal found 8/22![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:00 am -
1 stop8h 00m
Mon 12/149:00 am -
2 stops13h 00m
Deal found 8/25![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Sun 9/208:29 am -
1 stop5h 22m
Sun 9/271:26 pm -
2 stops10h 32m
Deal found 8/23![United Airlines logo]()
$513
Last-minute flights from Peoria to Key LargoDiscover last-minute flight deals from Peoria to Key Largo. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Key Largo. Data last updated August 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/296:34 am -
1 stop8h 06m
Sat 9/196:48 pm -
1 stop5h 09m
Deal found 8/21![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 8/21. 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 -
2 stops7h 34m
Sat 9/266:54 pm -
1 stop6h 14m
Deal found 8/21![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/261:30 pm -
2 stops10h 28m
Deal found 8/21![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sun 9/65:05 am -
1 stop5h 15m
Thu 9/104:52 pm -
1 stop8h 16m
Deal found 8/21![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/24. 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 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 9/266:54 pm -
1 stop6h 14m
Deal found 8/24![American Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/196:05 am -
1 stop7h 46m
Sat 9/268:54 am -
2 stops11h 07m
Deal found 8/24![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 8/23. 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.
Sun 9/206:00 am -
1 stop5h 59m
Sun 9/277:01 pm -
1 stop5h 53m
Deal found 8/23![American Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/226:05 am -
1 stop7h 46m
Tue 9/294:01 pm -
1 stop7h 57m
Deal found 8/24![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/235:50 am -
1 stop8h 04m
Sat 9/264:05 pm -
1 stop7h 53m
Deal found 8/22![United Airlines logo]()
$458
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 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:30 pm -
2 stops26h 54m
Deal found 8/22![Multiple Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/236:18 am -
1 stop5h 49m
Deal found 8/25![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 9/2310:32 am -
2 stops12h 20m
Deal found 8/24![United Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:09 pm -
3 stops53h 37m
Deal found 8/24![Multiple Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 9/165:50 am -
3 stops12h 02m
Deal found 8/24![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/256:00 am -
2 stops8h 34m
Deal found 8/21![American Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:19 pm -
2 stops32h 33m
Deal found 8/24![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/2510:06 am -
3 stops33h 32m
Deal found 8/21![Multiple Airlines logo]()
$458
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
One-way from | $302 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $416 |
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 25, 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
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Tue 9/22
6:05 am-2:51 pm
1 stop7h 46m
Miami
Tue 9/29
4:01 pm-10:58 pm
1 stop7h 57m
$407
Quickest round-trip
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Thu 10/22
5:30 pm-11:39 pm
1 stop5h 09m
Miami
Mon 10/26
5:32 pm-11:56 pm
1 stop7h 24m
$418
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Sat 10/3
8:30 am-6:52 pm
2 stops9h 22m
Miami
Thu 10/8
4:01 pm-10:58 pm
1 stop7h 57m
$437
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Tue 10/6
6:15 am-6:52 pm
2 stops11h 37m
Miami
Sat 10/10
4:05 pm-10:58 pm
1 stop7h 53m
$463
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Thu 10/15
6:15 am-1:21 pm
1 stop6h 06m
Miami
Wed 10/21
4:01 pm-10:58 pm
1 stop7h 57m
$468
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Thu 12/10
8:00 am-5:00 pm
1 stop8h 00m
Miami
Tue 12/15
10:07 am-9:00 pm
2 stops11h 53m
$474
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Fri 12/11
8:00 am-5:00 pm
1 stop8h 00m
Miami
Mon 12/14
9:00 am-9:00 pm
2 stops13h 00m
$504
PeoriaMiami
PIA Greater Peoria - MIA Miami
PIAMIA
Greater Peoria
Sun 9/20
8:29 am-2:51 pm
1 stop5h 22m
Miami
Sun 9/27
1:26 pm-10:58 pm
2 stops10h 32m
$513
Cheapest 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
Thu 9/24
6:18 am-1:07 pm
1 stop5h 49m
$309
Showing 1-10 of 16 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 25, 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.
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Peoria
Popular flights
Top destinations
Alternative routes for Peoria to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Peoria to Key Largo by cabin class
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 25, 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 25, 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 25, 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% |