$74+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
Aug 7 — Aug 141
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 September, booked 87 days in advance, depart on a Saturday or Sunday and return on a Wednesday
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 July 8, 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 July 8, 2026.
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/117:20 am
CMH
- MIA
1 stop7h 31m
United Airlines
Sat 9/197:00 am
MIA
- CMH
1 stop7h 37m
United Airlines
Deal found 7/8![United Airlines logo]()
$247
This Frontier deal was found by Cheapflights users on 7/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Fri 7/316:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 7/8![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 7/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:44 pm
CMH
- MIA
1 stop5h 21m
Frontier
Wed 7/296:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 7/8![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:44 pm
CMH
- MIA
1 stop5h 22m
Multiple Airlines
Mon 8/103:07 pm
MIA
- CMH
1 stop21h 15m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:44 pm
CMH
- MIA
2 stops26h 41m
Frontier
Sun 8/28:30 am
MIA
- CMH
1 stop8h 29m
Frontier
Deal found 7/8![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:06 pm
CMH
- MIA
2 stops19h 47m
Frontier
Tue 8/1811:10 am
MIA
- CMH
1 stop6h 15m
Frontier
Deal found 7/7![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:55 am
CMH
- MIA
2 stops23h 03m
Frontier
Tue 10/2710:28 am
MIA
- CMH
1 stop5h 11m
Frontier
Deal found 7/7![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 7/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Fri 8/76:00 am
MIA
- CMH
1 stop8h 27m
Frontier
Deal found 7/7![Frontier logo]()
$256
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:20 am
CMH
- MIA
1 stop6h 35m
Southwest
Tue 11/311:35 am
MIA
- CMH
2 stops10h 25m
Southwest
Deal found 7/7![Southwest logo]()
$257
This Frontier deal was found by Cheapflights users on 7/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:44 pm
CMH
- MIA
1 stop5h 21m
Frontier
Sun 8/28:30 am
MIA
- CMH
1 stop8h 29m
Frontier
Deal found 7/7![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:10 am
CMH
- MIA
2 stops12h 56m
Multiple Airlines
Tue 8/1811:10 am
MIA
- CMH
1 stop6h 15m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:44 pm
CMH
- MIA
1 stop5h 22m
Multiple Airlines
Sat 8/155:54 pm
MIA
- CMH
2 stops18h 49m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$261
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 July 8, 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 July 8, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:05 pm
CMH
- MIA
2 stops8h 00m
Southwest
Thu 8/277:00 am
MIA
- CMH
2 stops6h 15m
Southwest
Deal found 7/7![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Wed 8/1910:30 am
CMH
- MIA
2 stops8h 22m
United Airlines
Mon 8/243:57 pm
MIA
- CMH
1 stop6h 28m
United Airlines
Deal found 7/8![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:50 pm
CMH
- MIA
2 stops7h 25m
Southwest
Tue 8/411:50 am
MIA
- CMH
2 stops9h 20m
Southwest
Deal found 7/8![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 7/4. 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.
Fri 8/2812:55 pm
CMH
- MIA
2 stops9h 10m
Southwest
Tue 9/14:45 pm
MIA
- CMH
1 stop4h 40m
Southwest
Deal found 7/4![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:05 pm
CMH
- MIA
2 stops8h 00m
Southwest
Thu 8/277:00 am
MIA
- CMH
2 stops10h 00m
Southwest
Deal found 7/6![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 7/5. 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 8/1510:30 am
CMH
- MIA
2 stops8h 45m
Southwest
Mon 8/177:00 am
MIA
- CMH
2 stops6h 15m
Southwest
Deal found 7/5![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 7/5. 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.
Sun 10/46:05 pm
CMH
- MIA
1 stop6h 00m
Southwest
Thu 10/812:30 pm
MIA
- CMH
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 7/4. 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.
Wed 8/57:00 am
CMH
- MIA
2 stops8h 30m
Southwest
Mon 8/107:00 am
MIA
- CMH
2 stops10h 00m
Southwest
Deal found 7/4![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:55 pm
CMH
- MIA
2 stops9h 10m
Southwest
Tue 8/119:15 am
MIA
- CMH
2 stops9h 15m
Southwest
Deal found 7/6![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
CMH
- MIA
2 stops8h 30m
Southwest
Sun 8/306:45 am
MIA
- CMH
2 stops8h 35m
Southwest
Deal found 7/6![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:55 pm
CMH
- MIA
2 stops9h 20m
Southwest
Fri 7/315:25 am
MIA
- CMH
2 stops7h 50m
Southwest
Deal found 7/7![Southwest logo]()
$415
Last-minute flights from Columbus to Key LargoDiscover last-minute flight deals from Columbus to Key Largo. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Key Largo. Data last updated July 8, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:44 pm
CMH
- MIA
1 stop5h 21m
Frontier
Wed 7/296:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 7/8![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 7/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:44 pm
CMH
- MIA
1 stop5h 21m
Frontier
Sun 8/28:30 am
MIA
- CMH
1 stop8h 29m
Frontier
Deal found 7/7![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 7/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Thu 7/308:30 am
MIA
- CMH
1 stop8h 29m
Frontier
Deal found 7/8![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:44 pm
CMH
- MIA
2 stops26h 41m
Frontier
Sun 8/28:30 am
MIA
- CMH
1 stop8h 29m
Frontier
Deal found 7/8![Frontier logo]()
$252
This Trip.com deal was found by Cheapflights users on 7/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Sun 8/28:30 am
MIA
- CMH
1 stop8h 29m
Frontier
Deal found 7/7![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Fri 8/76:00 am
MIA
- CMH
1 stop8h 27m
Frontier
Deal found 7/7![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:44 pm
CMH
- MIA
1 stop5h 22m
Multiple Airlines
Mon 8/103:07 pm
MIA
- CMH
1 stop21h 15m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:44 pm
CMH
- MIA
1 stop5h 22m
Multiple Airlines
Sat 8/155:54 pm
MIA
- CMH
2 stops18h 49m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
CMH
- MIA
2 stops9h 30m
Southwest
Thu 8/137:00 am
MIA
- CMH
2 stops6h 15m
Southwest
Deal found 7/7![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:06 pm
CMH
- MIA
2 stops19h 47m
Frontier
Thu 8/2011:10 am
MIA
- CMH
1 stop6h 15m
Frontier
Deal found 7/7![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:10 am
CMH
- MIA
2 stops12h 56m
Multiple Airlines
Tue 8/1811:10 am
MIA
- CMH
1 stop6h 15m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
CMH
- MIA
2 stops9h 10m
Southwest
Mon 8/244:50 pm
MIA
- CMH
1 stop4h 20m
Southwest
Deal found 7/7![Southwest logo]()
$257
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 July 8, 2026.
Search for one-way flight options from Columbus to Key Largo. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:44 pm
CMH
- MIA
1 stop5h 22m
Frontier
Deal found 7/8![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:44 pm
CMH
- MIA
1 stop20h 09m
Frontier
Deal found 7/7![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:10 pm
CMH
- MIA
1 stop17h 55m
Frontier
Deal found 7/8![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/236:10 pm
CMH
- MIA
1 stop19h 22m
Frontier
Deal found 7/6![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/265:44 pm
CMH
- MIA
1 stop5h 21m
Frontier
Deal found 7/5![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 9/16:10 pm
CMH
- MIA
1 stop22h 11m
Frontier
Deal found 7/6![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/45:44 pm
CMH
- MIA
1 stop20h 09m
Frontier
Deal found 7/6![Frontier logo]()
$87
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:04 pm
CMH
- MIA
Nonstop2h 43m
American Airlines
Deal found 7/8![American Airlines logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Tue 10/66:28 pm
CMH
- MIA
1 stop17h 37m
Frontier
Deal found 7/4![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:28 pm
CMH
- MIA
1 stop26h 36m
Frontier
Deal found 7/7![Frontier logo]()
$95
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 July 8, 2026.
Round-trip from | $251 (Kiwi.com) |
|---|---|
One-way from | $74 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $386 |
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 July 8, 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
Fri 8/21
2:05 pm-10:05 pm
2 stops8h 00m
Miami
Thu 8/27
7:00 am-1:15 pm
2 stops6h 15m
$295
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sun 8/2
2:50 pm-10:15 pm
2 stops7h 25m
Miami
Tue 8/4
11:50 am-9:10 pm
2 stops9h 20m
$345
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 8/19
10:30 am-6:52 pm
2 stops8h 22m
Miami
Mon 8/24
3:57 pm-10:25 pm
1 stop6h 28m
$369
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 8/28
12:55 pm-10:05 pm
2 stops9h 10m
Miami
Tue 9/1
4:45 pm-9:25 pm
1 stop4h 40m
$390
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Thu 8/20
2:05 pm-10:05 pm
2 stops8h 00m
Miami
Thu 8/27
7:00 am-5:00 pm
2 stops10h 00m
$395
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 8/15
10:30 am-7:15 pm
2 stops8h 45m
Miami
Mon 8/17
7:00 am-1:15 pm
2 stops6h 15m
$395
Quickest round-trip
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sun 10/4
6:05 pm-12:05 am
1 stop6h 00m
Miami
Thu 10/8
12:30 pm-6:30 pm
1 stop6h 00m
$395
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 8/5
7:00 am-3:30 pm
2 stops8h 30m
Miami
Mon 8/10
7:00 am-5:00 pm
2 stops10h 00m
$401
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 8/7
12:55 pm-10:05 pm
2 stops9h 10m
Miami
Tue 8/11
9:15 am-6:30 pm
2 stops9h 15m
$405
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 8/26
7:00 am-3:30 pm
2 stops8h 30m
Miami
Sun 8/30
6:45 am-3:20 pm
2 stops8h 35m
$405
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
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 July 8, 2026.
It’s optimal to fly from Columbus Airport to Key Largo at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from Columbus Airport to Key Largo
Explore weekly flight availability from Columbus to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 8, 2026.
The most flights from CMH to KE9 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Columbus Airport to Key Largo?
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 July 4, 2026.
Travelers seeking maximum savings on their Columbus Airport to Key Largo flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 8, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
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 July 8, 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 July 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Columbus to Key Largo flights
Consider these flights traveling from Columbus to Key Largo.
Top 8 airlines flying from Columbus to Key Largo
Discover the top 8 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 July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$288 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$79 | Average$201 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$213 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$322 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$214 | Average$415 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$425 | FlexibilityNo cancel fee | On-time69% |