$65+ Cheap flights from Columbus (CMH) 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
May 6 — May 131
Round-trip
1 adult, Economy
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Find cheap flights from Columbus 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.Cheapflights Tip: The best prices from Columbus to Key Largo are usually found in January or August, booked 29 days in advance, depart on a Sunday or Saturday and return on a Thursday
Cheap flight deals from Columbus to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Columbus to Key LargoExplore the most affordable flight options available from Columbus to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 6, 2026.
Explore the most affordable flight options available from Columbus to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/176:35 pm
CMH
- MIA
1 stop15h 37m
Multiple Airlines
Sun 4/193:54 pm
MIA
- CMH
1 stop19h 21m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/116:43 pm
CMH
- MIA
2 stops18h 37m
Multiple Airlines
Thu 5/1411:06 am
MIA
- CMH
1 stop6h 04m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/16:35 pm
CMH
- MIA
1 stop6h 14m
Multiple Airlines
Mon 5/42:25 pm
MIA
- CMH
2 stops26h 45m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$178
This Trip.com deal was found by Cheapflights users on 4/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Sun 5/178:10 am
MIA
- CMH
1 stop9h 00m
Frontier
Deal found 4/3![Frontier logo]()
$179
This Priceline deal was found by Cheapflights users on 4/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:35 pm
CMH
- MIA
1 stop6h 14m
Frontier
Mon 4/205:05 am
MIA
- CMH
1 stop6h 10m
Frontier
Deal found 4/1![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:35 pm
CMH
- MIA
1 stop6h 14m
Frontier
Fri 5/86:00 am
MIA
- CMH
1 stop11h 48m
Frontier
Deal found 4/1![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/412:00 pm
CMH
- MIA
1 stop25h 20m
Frontier
Sun 5/179:19 pm
MIA
- CMH
2 stops43h 51m
Frontier
Deal found 4/2![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/267:00 pm
CMH
- MIA
1 stop13h 55m
Multiple Airlines
Fri 5/13:54 pm
MIA
- CMH
2 stops21h 33m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/16:35 pm
CMH
- MIA
1 stop6h 14m
Frontier
Tue 5/57:49 pm
MIA
- CMH
2 stops45h 21m
Frontier
Deal found 4/1![Frontier logo]()
$186
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:18 pm
CMH
- MIA
1 stop8h 47m
Frontier
Sun 5/108:10 am
MIA
- CMH
1 stop9h 00m
Frontier
Deal found 4/4![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/237:00 pm
CMH
- MIA
1 stop5h 49m
Frontier
Sat 4/257:04 pm
MIA
- CMH
2 stops15h 04m
Frontier
Deal found 4/3![Frontier logo]()
$188
Best flights from Columbus to Key LargoDiscover carefully curated flight deals from Columbus to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 6, 2026.
Discover carefully curated flight deals from Columbus to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 6, 2026.
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:02 am
CMH
- MIA
1 stop13h 39m
Delta
Wed 6/247:10 am
MIA
- CMH
1 stop8h 51m
Delta
Deal found 4/3![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:30 pm
CMH
- MIA
2 stops6h 30m
Southwest
Sat 5/168:25 am
MIA
- CMH
2 stops9h 20m
Southwest
Deal found 4/1![Southwest logo]()
$287
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 pm
CMH
- MIA
1 stop5h 48m
Delta
Thu 6/46:36 pm
MIA
- CMH
1 stop5h 16m
Delta
Deal found 4/5![Delta logo]()
$284
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:45 pm
CMH
- MIA
1 stop6h 20m
Southwest
Mon 5/45:45 pm
MIA
- CMH
1 stop4h 10m
Southwest
Deal found 4/5![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:30 am
CMH
- MIA
Nonstop2h 35m
Southwest
Sun 5/106:30 am
MIA
- CMH
1 stop5h 30m
Southwest
Deal found 4/4![Southwest logo]()
$321
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:01 pm
CMH
- MIA
1 stop6h 40m
Delta
Mon 6/157:16 pm
MIA
- CMH
1 stop5h 38m
Delta
Deal found 4/2![Delta logo]()
$338
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:35 am
CMH
- MIA
Nonstop2h 35m
Southwest
Mon 5/116:40 am
MIA
- CMH
1 stop5h 25m
Southwest
Deal found 4/4![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:35 am
CMH
- MIA
Nonstop2h 35m
Southwest
Tue 5/512:10 pm
MIA
- CMH
1 stop8h 35m
Southwest
Deal found 4/2![Southwest logo]()
$353
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:40 pm
CMH
- MIA
2 stops6h 30m
Southwest
Mon 6/155:35 am
MIA
- CMH
2 stops7h 40m
Southwest
Deal found 4/5![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:00 pm
CMH
- MIA
2 stops10h 05m
Southwest
Wed 5/277:20 am
MIA
- CMH
2 stops10h 00m
Southwest
Deal found 4/1![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:35 am
CMH
- MIA
2 stops9h 25m
Southwest
Sat 6/65:40 am
MIA
- CMH
2 stops11h 40m
Southwest
Deal found 4/1![Southwest logo]()
$383
Last-minute flights from Columbus to Key LargoDiscover last-minute flight deals from Columbus to Key Largo. Data last updated April 6, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Key Largo. Data last updated April 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/176:35 pm
CMH
- MIA
1 stop15h 37m
Multiple Airlines
Sun 4/193:54 pm
MIA
- CMH
1 stop19h 21m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$176
This Priceline deal was found by Cheapflights users on 4/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:35 pm
CMH
- MIA
1 stop6h 14m
Frontier
Mon 4/205:05 am
MIA
- CMH
1 stop6h 10m
Frontier
Deal found 4/1![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/237:00 pm
CMH
- MIA
1 stop5h 49m
Frontier
Sat 4/257:04 pm
MIA
- CMH
2 stops15h 04m
Frontier
Deal found 4/3![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/267:00 pm
CMH
- MIA
1 stop13h 55m
Multiple Airlines
Fri 5/13:54 pm
MIA
- CMH
2 stops21h 33m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/16:35 pm
CMH
- MIA
1 stop6h 14m
Multiple Airlines
Mon 5/42:25 pm
MIA
- CMH
2 stops26h 45m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$178
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:35 pm
CMH
- MIA
1 stop6h 14m
Frontier
Fri 5/86:00 am
MIA
- CMH
1 stop11h 48m
Frontier
Deal found 4/1![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/16:35 pm
CMH
- MIA
1 stop6h 14m
Frontier
Tue 5/57:49 pm
MIA
- CMH
2 stops45h 21m
Frontier
Deal found 4/1![Frontier logo]()
$186
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:18 pm
CMH
- MIA
1 stop8h 47m
Frontier
Sun 5/108:10 am
MIA
- CMH
1 stop9h 00m
Frontier
Deal found 4/4![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/412:00 pm
CMH
- MIA
1 stop25h 20m
Frontier
Sun 5/179:19 pm
MIA
- CMH
2 stops43h 51m
Frontier
Deal found 4/2![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/116:43 pm
CMH
- MIA
2 stops18h 37m
Multiple Airlines
Thu 5/1411:06 am
MIA
- CMH
1 stop6h 04m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$177
This Trip.com deal was found by Cheapflights users on 4/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Sun 5/178:10 am
MIA
- CMH
1 stop9h 00m
Frontier
Deal found 4/3![Frontier logo]()
$179
One-way flights from Columbus to Key LargoSearch for one-way flight options from Columbus to Key Largo. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
Search for one-way flight options from Columbus to Key Largo. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/16:35 pm
CMH
- MIA
1 stop19h 40m
Frontier
Deal found 4/4![Frontier logo]()
$65
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:00 pm
CMH
- MIA
1 stop5h 10m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$66
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.
Sun 4/267:00 pm
CMH
- MIA
1 stop5h 49m
Frontier
Deal found 4/5![Frontier logo]()
$67
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
CMH
- MIA
1 stop5h 49m
Frontier
Deal found 4/6![Frontier logo]()
$68
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 4/2012:10 pm
CMH
- MIA
1 stop23h 53m
Frontier
Deal found 4/5![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:05 pm
CMH
- MIA
1 stop19h 15m
Frontier
Deal found 4/1![Frontier logo]()
$72
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:05 pm
CMH
- MIA
1 stop28h 42m
Frontier
Deal found 4/6![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/316:05 pm
CMH
- MIA
1 stop28h 42m
Frontier
Deal found 4/1![Frontier logo]()
$76
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:05 pm
CMH
- MIA
1 stop28h 42m
Frontier
Deal found 4/6![Frontier logo]()
$78
Find flight deals from Columbus to Key Largo
Keep the following information in mind while searching for Columbus to Key Largo flight deals. Data was last updated April 6, 2026.
Round-trip from | $176 (Kiwi.com) |
|---|---|
One-way from | $65 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $375 |
Cheapflights Fare Finder
Customize your flight search to find flights from Columbus 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 6, 2026.
Use the filters below to find and compare flights from Columbus Airport to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Thu 6/18
10:02 am-11:41 pm
1 stop13h 39m
Miami
Wed 6/24
7:10 am-4:01 pm
1 stop8h 51m
$227
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 5/30
7:00 pm-12:48 am
1 stop5h 48m
Miami
Thu 6/4
6:36 pm-11:52 pm
1 stop5h 16m
$284
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 5/8
3:30 pm-10:00 pm
2 stops6h 30m
Miami
Sat 5/16
8:25 am-5:45 pm
2 stops9h 20m
$287
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 5/2
3:45 pm-10:05 pm
1 stop6h 20m
Miami
Mon 5/4
5:45 pm-9:55 pm
1 stop4h 10m
$297
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 5/9
10:30 am-1:05 pm
Nonstop2h 35m
Miami
Sun 5/10
6:30 am-12:00 pm
1 stop5h 30m
$321
Quickest round-trip
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Thu 5/7
10:35 am-1:10 pm
Nonstop2h 35m
Miami
Mon 5/11
6:40 am-12:05 pm
1 stop5h 25m
$323
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 6/10
5:01 pm-11:41 pm
1 stop6h 40m
Miami
Mon 6/15
7:16 pm-12:54 am
1 stop5h 38m
$338
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 5/1
10:35 am-1:10 pm
Nonstop2h 35m
Miami
Tue 5/5
12:10 pm-8:45 pm
1 stop8h 35m
$353
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 6/10
3:40 pm-10:10 pm
2 stops6h 30m
Miami
Mon 6/15
5:35 am-1:15 pm
2 stops7h 40m
$371
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 5/23
12:00 pm-10:05 pm
2 stops10h 05m
Miami
Wed 5/27
7:20 am-5:20 pm
2 stops10h 00m
$373
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Columbus to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Columbus with our price prediction graph.
CMH-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 Columbus Airport to Key Largo
CMH-KE9
CMH-MIA
How far ahead should I book a flight from Columbus Airport to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Columbus to Key Largo. Price data was last updated on April 3, 2026.
To ensure you get the cheapest price possible for a flight from Columbus Airport to Key Largo, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Columbus Airport to Key Largo?
Currently, September is the cheapest month in which you can book a flight from Columbus Airport to Key Largo (average of $73). Flying from Columbus Airport to Key Largo in June is currently the most expensive (average of $104). 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.
What is the cheapest time of day to fly from CMH to KE9?
Find hourly flight availability from Columbus to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 6, 2026.
It’s optimal to fly from Columbus Airport to Key Largo in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Columbus Airport to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Columbus to Key Largo. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their Columbus Airport to Key Largo flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Columbus Airport 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 6, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from Columbus Airport to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Columbus 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 Columbus to Key Largo
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Complete your trip
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Search flights from Columbus to Key Largo by cabin class
Find flights from Columbus to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Columbus and Key Largo flights
Browse other Columbus and Key Largo flight options. Last updated on April 6, 2026.
Other flights from Columbus
Browse through other flights departing from Columbus. Flights are based on user searches made on Cheapflights and were last updated on April 6, 2026.
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Columbus to Key Largo flights
Consider these flights traveling from Columbus to Key Largo.
Top 9 airlines flying from Columbus to Key Largo
Discover the top 9 airlines that operate flights from Columbus 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$251 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$79 | Average$181 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$242 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$83 | Average$214 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$150 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$191 | Average$399 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$354 | FlexibilityNo cancel fee | On-timeN/A |