$62+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
Mar 10 — Mar 171
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 Wednesday or Saturday and return on a Wednesday
Cheap flight deals from Columbus to Key Largo
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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 February 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 February 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/111:17 am
CMH
- MIA
1 stop5h 34m
Frontier
Thu 3/56:45 am
MIA
- CMH
1 stop12h 38m
Frontier
Deal found 2/5![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Wed 3/1111:39 am
CMH
- MIA
2 stops13h 08m
Multiple Airlines
Thu 3/195:05 am
MIA
- CMH
1 stop8h 51m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Mon 3/211:19 am
CMH
- MIA
1 stop24h 57m
Multiple Airlines
Mon 3/912:12 pm
MIA
- CMH
2 stops35h 41m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/710:40 am
CMH
- MIA
2 stops9h 27m
Multiple Airlines
Thu 4/167:35 am
MIA
- CMH
1 stop7h 06m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/1611:19 am
CMH
- MIA
1 stop23h 09m
Frontier
Sun 3/15:05 am
MIA
- CMH
1 stop5h 27m
Frontier
Deal found 2/7![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 5/36:40 pm
CMH
- MIA
1 stop15h 37m
Frontier
Sun 5/105:05 am
MIA
- CMH
1 stop9h 36m
Frontier
Deal found 2/7![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sat 4/183:44 pm
CMH
- MIA
1 stop18h 48m
Multiple Airlines
Sat 4/257:04 pm
MIA
- CMH
1 stop19h 37m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/1611:19 am
CMH
- MIA
1 stop23h 09m
Multiple Airlines
Tue 3/37:05 am
MIA
- CMH
2 stops27h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/211:19 am
CMH
- MIA
1 stop24h 57m
Multiple Airlines
Sat 3/76:59 pm
MIA
- CMH
1 stop17h 57m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/166:40 pm
CMH
- MIA
1 stop6h 09m
Multiple Airlines
Mon 4/207:04 pm
MIA
- CMH
2 stops27h 09m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/911:39 am
CMH
- MIA
2 stops22h 55m
Multiple Airlines
Mon 3/167:04 pm
MIA
- CMH
1 stop16h 38m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$182
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 February 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 February 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sat 4/117:32 pm
CMH
- MIA
1 stop5h 17m
Multiple Airlines
Thu 4/169:45 pm
MIA
- CMH
2 stops16h 56m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$200
This Priceline deal was found by Cheapflights users on 2/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:13 pm
CMH
- MIA
1 stop9h 01m
Frontier
Mon 2/236:25 am
MIA
- CMH
1 stop13h 03m
Frontier
Deal found 2/8![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:10 am
CMH
- MIA
1 stop6h 11m
Delta
Wed 4/18:10 am
MIA
- CMH
1 stop7h 16m
Delta
Deal found 2/7![Delta logo]()
$239
This American Airlines deal was found by Cheapflights users on 2/8. 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 4/112:52 pm
CMH
- MIA
1 stop6h 45m
American Airlines
Thu 4/164:29 pm
MIA
- CMH
Nonstop2h 57m
American Airlines
Deal found 2/8![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 2/6. 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.
Mon 2/2312:35 pm
CMH
- MIA
Nonstop2h 40m
Southwest
Wed 2/257:15 am
MIA
- CMH
1 stop5h 25m
Southwest
Deal found 2/6![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/98:03 pm
CMH
- MIA
1 stop11h 57m
Multiple Airlines
Mon 4/138:35 pm
MIA
- CMH
2 stops26h 44m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:00 pm
CMH
- MIA
1 stop5h 48m
Delta
Tue 4/213:17 pm
MIA
- CMH
1 stop5h 15m
Delta
Deal found 2/7![Delta logo]()
$258
This Southwest deal was found by Cheapflights users on 2/8. 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.
Mon 2/2312:35 pm
CMH
- MIA
Nonstop2h 40m
Southwest
Fri 2/276:50 am
MIA
- CMH
1 stop4h 35m
Southwest
Deal found 2/8![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/171:07 pm
CMH
- MIA
1 stop7h 00m
Multiple Airlines
Sun 3/227:04 pm
MIA
- CMH
2 stops38h 37m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:34 pm
CMH
- MIA
1 stop5h 52m
Delta
Tue 4/217:04 am
MIA
- CMH
1 stop6h 50m
Delta
Deal found 2/7![Delta logo]()
$258
This Southwest deal was found by Cheapflights users on 2/8. 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 2/2212:40 pm
CMH
- MIA
Nonstop2h 35m
Southwest
Fri 2/276:50 am
MIA
- CMH
1 stop4h 35m
Southwest
Deal found 2/8![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:06 am
CMH
- MIA
1 stop4h 40m
Delta
Tue 4/286:16 pm
MIA
- CMH
1 stop5h 49m
Delta
Deal found 2/7![Delta logo]()
$281
Last-minute flights from Columbus to Key LargoDiscover last-minute flight deals from Columbus to Key Largo. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Key Largo. Data last updated February 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/1611:19 am
CMH
- MIA
1 stop23h 09m
Frontier
Sun 3/15:05 am
MIA
- CMH
1 stop5h 27m
Frontier
Deal found 2/7![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/1611:19 am
CMH
- MIA
1 stop23h 09m
Multiple Airlines
Tue 3/37:05 am
MIA
- CMH
2 stops27h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$179
This Frontier deal was found by Cheapflights users on 2/7. 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.
Fri 2/2010:54 am
CMH
- MIA
1 stop5h 52m
Frontier
Sun 3/15:05 am
MIA
- CMH
1 stop5h 27m
Frontier
Deal found 2/7![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 2/2211:17 am
CMH
- MIA
1 stop5h 34m
Frontier
Mon 2/235:05 am
MIA
- CMH
1 stop5h 29m
Frontier
Deal found 2/5![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/111:17 am
CMH
- MIA
1 stop5h 34m
Frontier
Thu 3/56:45 am
MIA
- CMH
1 stop12h 38m
Frontier
Deal found 2/5![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/111:17 am
CMH
- MIA
1 stop13h 25m
Multiple Airlines
Thu 3/57:09 pm
MIA
- CMH
2 stops28h 44m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Mon 3/211:19 am
CMH
- MIA
1 stop24h 57m
Multiple Airlines
Mon 3/912:12 pm
MIA
- CMH
2 stops35h 41m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/211:19 am
CMH
- MIA
1 stop24h 57m
Multiple Airlines
Sat 3/76:59 pm
MIA
- CMH
1 stop17h 57m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/911:39 am
CMH
- MIA
2 stops22h 55m
Multiple Airlines
Mon 3/167:04 pm
MIA
- CMH
1 stop16h 38m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/101:07 pm
CMH
- MIA
1 stop11h 40m
Frontier
Mon 3/167:55 am
MIA
- CMH
2 stops24h 35m
Frontier
Deal found 2/6![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Wed 3/1111:39 am
CMH
- MIA
2 stops13h 08m
Multiple Airlines
Thu 3/195:05 am
MIA
- CMH
1 stop8h 51m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$172
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 February 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 February 8, 2026.
This Trip.com deal was found by Cheapflights users on 2/6. 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.
Fri 2/2010:54 am
CMH
- MIA
1 stop5h 52m
Frontier
Deal found 2/6![Frontier logo]()
$62
This Trip.com deal was found by Cheapflights users on 2/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:17 am
CMH
- MIA
1 stop13h 25m
Frontier
Deal found 2/5![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Fri 5/83:36 pm
CMH
- MIA
1 stop18h 41m
Frontier
Deal found 2/6![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/101:07 pm
CMH
- MIA
1 stop11h 40m
Frontier
Deal found 2/8![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/166:40 pm
CMH
- MIA
1 stop6h 09m
Frontier
Deal found 2/7![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 5/36:40 pm
CMH
- MIA
1 stop6h 09m
Frontier
Deal found 2/7![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/58:03 pm
CMH
- MIA
1 stop28h 46m
Frontier
Deal found 2/7![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 4/58:03 pm
CMH
- MIA
1 stop24h 04m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/311:39 am
CMH
- MIA
2 stops24h 37m
Spirit Airlines
Deal found 2/7![Spirit Airlines logo]()
$79
This Frontier deal was found by Cheapflights users on 2/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:18 pm
CMH
- MIA
1 stop8h 47m
Frontier
Deal found 2/6![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Mon 5/43:36 pm
CMH
- MIA
1 stop26h 21m
Frontier
Deal found 2/8![Frontier logo]()
$81
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 February 8, 2026.
Round-trip from | $170 (Kiwi.com) |
|---|---|
One-way from | $62 (Trip.com) |
Popular in | March |
Cheapest in | January |
Average price | $367 |
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 February 8, 2026.
Use the filters below to find and compare flights from Columbus Airport to Key Largo that are best for you.
Fly from
Columbus
Fly to
Key Largo
Route
Depart
Return
Price
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 4/11
7:32 pm-12:49 am
1 stop5h 17m
Miami
Thu 4/16
9:45 pm-2:41 pm
2 stops16h 56m
$200
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Mon 2/16
8:13 pm-5:14 am
1 stop9h 01m
Miami
Mon 2/23
6:25 am-7:28 pm
1 stop13h 03m
$205
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Thu 4/9
8:03 pm-8:00 am
1 stop11h 57m
Miami
Mon 4/13
8:35 pm-11:19 pm
2 stops26h 44m
$224
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 3/25
11:10 am-5:21 pm
1 stop6h 11m
Miami
Wed 4/1
8:10 am-3:26 pm
1 stop7h 16m
$239
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Tue 3/17
1:07 pm-8:07 pm
1 stop7h 00m
Miami
Sun 3/22
7:04 pm-9:41 am
2 stops38h 37m
$255
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 4/11
2:52 pm-9:37 pm
1 stop6h 45m
Miami
Thu 4/16
4:29 pm-7:26 pm
Nonstop2h 57m
$257
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Mon 4/13
3:00 pm-8:48 pm
1 stop5h 48m
Miami
Tue 4/21
3:17 pm-8:32 pm
1 stop5h 15m
$258
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sun 4/12
4:34 pm-10:26 pm
1 stop5h 52m
Miami
Tue 4/21
7:04 am-1:54 pm
1 stop6h 50m
$258
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Mon 2/23
12:35 pm-3:15 pm
Nonstop2h 40m
Miami
Wed 2/25
7:15 am-12:40 pm
1 stop5h 25m
$279
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Mon 2/23
12:35 pm-3:15 pm
Nonstop2h 40m
Miami
Fri 2/27
6:50 am-11:25 am
1 stop4h 35m
$279
Showing 1-10 of 21 results
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 February 6, 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, April is the cheapest month in which you can book a flight from Columbus Airport to Key Largo (average of $71). 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 February 8, 2026.
It’s optimal to fly from Columbus Airport to Key Largo in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight at noon.
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 February 7, 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. Thursday at noon 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 February 8, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American 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
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 February 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 February 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 February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$205 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$82 | Average$203 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$98 | Average$185 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$407 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$191 | Average$404 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$351 | FlexibilityNo cancel fee | On-timeN/A |