$114+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
Jun 26 — Jul 31
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 22 days in advance, depart on a Sunday 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 May 27, 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 May 27, 2026.
This Frontier deal was found by Cheapflights users on 5/26. 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 7/76:00 pm
CMH
- MIA
1 stop5h 05m
Frontier
Tue 7/148:30 am
MIA
- CMH
1 stop8h 34m
Frontier
Deal found 5/26![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/26. 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 8/124:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Tue 8/188:10 am
MIA
- CMH
1 stop9h 02m
Frontier
Deal found 5/26![Frontier logo]()
$238
This Priceline deal was found by Cheapflights users on 5/26. 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.
Tue 6/26:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Tue 6/308:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/26![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 5/26. 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 8/306:07 pm
CMH
- MIA
1 stop4h 56m
Frontier
Wed 9/26:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/26![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 5/26. 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 8/174:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Fri 8/216:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/26![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Mon 6/296:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/25![Frontier logo]()
$247
This Priceline deal was found by Cheapflights users on 5/26. 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.
Tue 6/26:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Tue 6/98:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/26![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 5/26. 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 7/174:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Sun 7/268:30 am
MIA
- CMH
1 stop8h 34m
Frontier
Deal found 5/26![Frontier logo]()
$253
This Priceline deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Mon 6/296:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/24![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:07 pm
CMH
- MIA
1 stop4h 56m
Frontier
Sun 9/1310:03 am
MIA
- CMH
1 stop7h 30m
Frontier
Deal found 5/25![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 5/27. 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 8/104:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Fri 8/146:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/27![Frontier logo]()
$264
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 May 27, 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 May 27, 2026.
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:35 pm
CMH
- MIA
1 stop7h 40m
Southwest
Thu 7/1612:50 pm
MIA
- CMH
Nonstop2h 45m
Southwest
Deal found 5/22![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 5/26. 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 7/89:40 am
CMH
- MIA
1 stop4h 45m
Southwest
Sat 7/115:40 am
MIA
- CMH
2 stops11h 40m
Southwest
Deal found 5/26![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 5/26. 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 7/112:55 pm
CMH
- MIA
2 stops9h 15m
Southwest
Mon 7/65:25 am
MIA
- CMH
2 stops7h 00m
Southwest
Deal found 5/26![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:55 pm
CMH
- MIA
1 stop4h 15m
Southwest
Sun 7/195:35 am
MIA
- CMH
2 stops6h 45m
Southwest
Deal found 5/25![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:40 pm
CMH
- MIA
1 stop6h 30m
Southwest
Sat 8/15:40 am
MIA
- CMH
2 stops11h 40m
Southwest
Deal found 5/25![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:05 pm
CMH
- MIA
2 stops9h 05m
Southwest
Fri 7/105:10 am
MIA
- CMH
2 stops9h 25m
Southwest
Deal found 5/23![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:15 pm
CMH
- MIA
2 stops7h 45m
Southwest
Mon 6/295:25 am
MIA
- CMH
2 stops7h 50m
Southwest
Deal found 5/24![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:00 pm
CMH
- MIA
2 stops9h 05m
Southwest
Mon 6/295:25 am
MIA
- CMH
2 stops7h 00m
Southwest
Deal found 5/22![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 5/26. 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 6/121:50 pm
CMH
- MIA
Nonstop2h 35m
Southwest
Thu 6/1812:50 pm
MIA
- CMH
Nonstop2h 45m
Southwest
Deal found 5/26![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/261:05 pm
CMH
- MIA
2 stops9h 00m
Southwest
Mon 6/295:25 am
MIA
- CMH
2 stops7h 00m
Southwest
Deal found 5/22![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:00 pm
CMH
- MIA
2 stops9h 05m
Southwest
Sat 6/277:00 am
MIA
- CMH
1 stop4h 55m
Southwest
Deal found 5/22![Southwest logo]()
$430
Last-minute flights from Columbus to Key LargoDiscover last-minute flight deals from Columbus to Key Largo. Data last updated May 27, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Key Largo. Data last updated May 27, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 5/26. 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.
Tue 6/26:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Tue 6/308:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/26![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 5/26. 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.
Tue 6/26:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Tue 6/98:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/26![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 5/26. 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.
Thu 6/116:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Tue 6/168:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/26![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Sun 6/218:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/24![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Thu 6/2511:19 am
MIA
- CMH
1 stop5h 46m
Frontier
Deal found 5/25![Frontier logo]()
$238
This Priceline deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Mon 6/296:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/24![Frontier logo]()
$256
This Priceline deal was found by Cheapflights users on 5/26. 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 6/224:47 pm
CMH
- MIA
1 stop13h 07m
Frontier
Tue 6/238:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/26![Frontier logo]()
$268
This Priceline deal was found by Cheapflights users on 5/26. 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.
Tue 6/236:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Tue 6/3011:19 am
MIA
- CMH
1 stop5h 46m
Frontier
Deal found 5/26![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:47 pm
CMH
- MIA
1 stop13h 07m
Frontier
Sun 6/288:30 am
MIA
- CMH
1 stop8h 35m
Frontier
Deal found 5/24![Frontier logo]()
$253
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:47 pm
CMH
- MIA
1 stop13h 07m
Frontier
Wed 7/16:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/26![Frontier logo]()
$275
This Priceline deal was found by Cheapflights users on 5/26. 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.
Thu 6/256:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Thu 7/211:19 am
MIA
- CMH
1 stop5h 46m
Frontier
Deal found 5/26![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Mon 6/296:00 am
MIA
- CMH
1 stop10h 02m
Frontier
Deal found 5/25![Frontier logo]()
$247
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 May 27, 2026.
Search for one-way flight options from Columbus to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:44 pm
CMH
- MIA
1 stop5h 21m
Frontier
Deal found 5/26![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 5/26. 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 7/216:00 pm
CMH
- MIA
1 stop5h 05m
Frontier
Deal found 5/26![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Deal found 5/25![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Deal found 5/26![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Deal found 5/26![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:05 pm
CMH
- MIA
1 stop4h 42m
Frontier
Deal found 5/24![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:47 pm
CMH
- MIA
1 stop13h 07m
Frontier
Deal found 5/23![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 5/26. 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 8/74:47 pm
CMH
- MIA
1 stop13h 04m
Frontier
Deal found 5/26![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 5/26. 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 7/196:00 pm
CMH
- MIA
1 stop5h 05m
Frontier
Deal found 5/26![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:47 pm
CMH
- MIA
1 stop13h 07m
Frontier
Deal found 5/25![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:00 pm
CMH
- MIA
1 stop5h 03m
Frontier
Deal found 5/25![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 5/27. 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 8/236:07 pm
CMH
- MIA
1 stop4h 56m
Frontier
Deal found 5/27![Frontier logo]()
$135
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 May 27, 2026.
Round-trip from | $230 (Frontier) |
|---|---|
One-way from | $114 (Super.com) |
Popular in | March |
Cheapest in | January |
Average price | $390 |
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 May 27, 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
Wed 7/15
2:35 pm-10:15 pm
1 stop7h 40m
Miami
Thu 7/16
12:50 pm-3:35 pm
Nonstop2h 45m
$349
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 7/8
9:40 am-2:25 pm
1 stop4h 45m
Miami
Sat 7/11
5:40 am-5:20 pm
2 stops11h 40m
$362
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Wed 7/1
12:55 pm-10:10 pm
2 stops9h 15m
Miami
Mon 7/6
5:25 am-12:25 pm
2 stops7h 00m
$377
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 7/11
5:55 pm-10:10 pm
1 stop4h 15m
Miami
Sun 7/19
5:35 am-12:20 pm
2 stops6h 45m
$400
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 7/25
3:40 pm-10:10 pm
1 stop6h 30m
Miami
Sat 8/1
5:40 am-5:20 pm
2 stops11h 40m
$400
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Mon 7/6
1:05 pm-10:10 pm
2 stops9h 05m
Miami
Fri 7/10
5:10 am-2:35 pm
2 stops9h 25m
$405
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Sat 6/27
3:15 pm-11:00 pm
2 stops7h 45m
Miami
Mon 6/29
5:25 am-1:15 pm
2 stops7h 50m
$415
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 6/19
1:00 pm-10:05 pm
2 stops9h 05m
Miami
Mon 6/29
5:25 am-12:25 pm
2 stops7h 00m
$415
Quickest round-trip
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 6/12
1:50 pm-4:25 pm
Nonstop2h 35m
Miami
Thu 6/18
12:50 pm-3:35 pm
Nonstop2h 45m
$421
ColumbusMiami
CMH - MIA
CMHMIA
Columbus
Fri 6/26
1:05 pm-10:05 pm
2 stops9h 00m
Miami
Mon 6/29
5:25 am-12:25 pm
2 stops7h 00m
$427
Showing 1-10 of 23 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 May 27, 2026.
It’s optimal to fly from Columbus Airport to Key Largo in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.
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 May 27, 2026.
The most flights from CMH to KE9 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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 May 23, 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. 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 May 27, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from Columbus Airport to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Spirit Airlines
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Columbus to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Columbus to Key Largo
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Complete your trip
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 May 27, 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 May 27, 2026.
Popular flight searches
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Columbus to Key Largo flights
Consider these flights traveling from Columbus to Key Largo.
Top 9 airlines flying from Columbus to Key Largo
Discover the top 9 airlines that operate flights from Columbus to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$251 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$79 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$206 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$83 | Average$220 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$150 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$168 | Average$322 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$193 | Average$402 | FlexibilityNo cancel fee | On-time63% |