$62+ Cheap flights from Columbus 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
Mar 11 — Mar 181
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 February 9, 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 9, 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 2/8. 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.
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 2/8![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 2/8. 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 2/2211:17 am
CMH
- MIA
1 stop5h 34m
Frontier
Fri 2/2710:17 pm
MIA
- CMH
2 stops36h 15m
Frontier
Deal found 2/8![Frontier 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 9, 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 9, 2026.
This Delta 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 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 stop4h 27m
Delta
Wed 4/17:05 am
MIA
- CMH
1 stop4h 59m
Delta
Deal found 2/8![Delta logo]()
$239
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:07 am
CMH
- MIA
1 stop5h 02m
Delta
Wed 3/184:44 pm
MIA
- CMH
1 stop5h 43m
Delta
Deal found 2/8![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 2/9. 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 5/910:07 am
CMH
- MIA
1 stop6h 29m
Delta
Fri 5/155:51 pm
MIA
- CMH
1 stop6h 45m
Delta
Deal found 2/9![Delta logo]()
$244
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 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 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 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.
Sat 4/111:05 pm
CMH
- MIA
1 stop4h 23m
Delta
Tue 4/2110:29 am
MIA
- CMH
1 stop5h 29m
Delta
Deal found 2/7![Delta logo]()
$281
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.
Fri 4/106:24 pm
CMH
- MIA
1 stop6h 28m
Delta
Tue 4/216:15 pm
MIA
- CMH
1 stop6h 28m
Delta
Deal found 2/7![Delta logo]()
$287
Last-minute flights from Columbus to Key LargoDiscover last-minute flight deals from Columbus to Key Largo. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Key Largo. Data last updated February 9, 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 2/8. 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 2/2211:17 am
CMH
- MIA
1 stop5h 34m
Frontier
Fri 2/2710:17 pm
MIA
- CMH
2 stops36h 15m
Frontier
Deal found 2/8![Frontier logo]()
$180
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 2/8. 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
Sat 3/79:18 pm
MIA
- CMH
2 stops15h 38m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$184
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 9, 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 9, 2026.
This Trip.com deal was found by Cheapflights users on 2/9. 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 3/111:17 am
CMH
- MIA
1 stop13h 25m
Frontier
Deal found 2/9![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 Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:17 am
CMH
- MIA
1 stop13h 25m
Frontier
Deal found 2/8![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 stop21h 02m
Multiple Airlines
Deal found 2/9![Multiple Airlines 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 WAYA 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:51 pm
CMH
- MIA
1 stop5h 16m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$72
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:51 pm
CMH
- MIA
1 stop9h 56m
Frontier
Deal found 2/8![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 2/7. 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.
Sun 4/266:40 pm
CMH
- MIA
1 stop6h 09m
Frontier
Deal found 2/7![Frontier logo]()
$80
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 9, 2026.
Round-trip from | $171 (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 9, 2026.
Use the filters below to find and compare flights from Columbus to Key Largo that are best for you.
Fly from
Columbus
Fly to
Key Largo
Route
Depart
Return
Price
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 3/25
11:10 am-3:37 pm
1 stop4h 27m
Miami
Wed 4/1
7:05 am-12:04 pm
1 stop4h 59m
$239
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Tue 3/17
7:07 am-12:09 pm
1 stop5h 02m
Miami
Wed 3/18
4:44 pm-10:27 pm
1 stop5h 43m
$239
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 5/9
10:07 am-4:36 pm
1 stop6h 29m
Miami
Fri 5/15
5:51 pm-12:36 am
1 stop6h 45m
$244
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
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 4/11
1:05 pm-5:28 pm
1 stop4h 23m
Miami
Tue 4/21
10:29 am-3:58 pm
1 stop5h 29m
$281
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 4/10
6:24 pm-12:52 am
1 stop6h 28m
Miami
Tue 4/21
6:15 pm-12:43 am
1 stop6h 28m
$287
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 2/27
11:17 am-12:42 am
1 stop13h 25m
$65
Showing 1-10 of 18 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 to Key Largo
C01-KE9
CMH-MIA
How far ahead should I book a flight from Columbus 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.
The best time to book flights from Columbus to Key Largo is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Columbus to Key Largo?
Currently, June is the cheapest month in which you can book a flight from Columbus to Key Largo (average of $67). Flying from Columbus to Key Largo in December is currently the most expensive (average of $103). 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 9, 2026.
It’s optimal to fly from Columbus to Key Largo in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Columbus 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 to Key Largo flight should consider departing on Tuesday afternoons 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 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 9, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from Columbus to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Columbus to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from 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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$182 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$46 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$79 | Average$205 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$150 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$191 | Average$404 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$366 | FlexibilityNo cancel fee | On-timeN/A |