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Key Largo

$63+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
janv. 22 — janv. 291
jeu. 1/22
jeu. 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Key Largo are usually found in January or September, booked 29 days in advance, depart on a Sunday or Wednesday and return on a Thursday

Cheap flight deals from Columbus to Key Largo

Cheapest flights from Columbus to Key Largo
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 décembre 23, 2025.

This deal was found by Cheapflights users on 12/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:02 pmCMH - MIA
1 stop4h 49mFrontier
ven. 1/95:20 amMIA - CMH
1 stop5h 28mFrontier
Deal found 12/22$292
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:02 pmCMH - MIA
1 stop28h 45mMultiple Airlines
lun. 1/58:00 amMIA - CMH
1 stop10h 06mMultiple Airlines
Deal found 12/22$298
This American Airlines deal was found by Cheapflights users on 12/21. 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.
jeu. 12/257:05 amCMH - MIA
1 stop7h 17mAmerican Airlines
mar. 1/68:03 amMIA - CMH
Nonstop2h 54mAmerican Airlines
Deal found 12/21$343
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:02 pmCMH - MIA
1 stop14h 56mMultiple Airlines
mer. 12/317:05 pmMIA - CMH
2 stops25h 33mMultiple Airlines
Deal found 12/22$344
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
dim. 12/289:13 pmCMH - MIA
2 stops27h 38mMultiple Airlines
sam. 1/107:00 amMIA - CMH
1 stop27h 47mMultiple Airlines
Deal found 12/20$348
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
dim. 12/289:13 pmCMH - MIA
2 stops27h 38mFrontier
ven. 1/95:20 amMIA - CMH
1 stop5h 28mFrontier
Deal found 12/21$357
This American Airlines deal was found by Cheapflights users on 12/21. 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.
mar. 12/236:01 amCMH - MIA
Nonstop2h 54mAmerican Airlines
mar. 1/69:45 pmMIA - CMH
Nonstop2h 59mAmerican Airlines
Deal found 12/21$368
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
mar. 12/305:09 pmCMH - MIA
2 stops17h 49mMultiple Airlines
dim. 1/49:59 pmMIA - CMH
1 stop20h 07mMultiple Airlines
Deal found 12/21$379
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
mar. 12/305:09 pmCMH - MIA
2 stops17h 49mMultiple Airlines
lun. 1/58:00 amMIA - CMH
1 stop10h 06mMultiple Airlines
Deal found 12/21$380

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 décembre 23, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$63
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$398
From Columbus to Key Largo
Search Deals
One-way flight from Columbus to Key Largo
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 décembre 23, 2025.
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

sam. 2/21

5:43 pm-12:16 pm

2 stops18h 33m

Miami

sam. 2/28

7:05 am-10:32 am

1 stop27h 27m

$186

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

dim. 1/25

11:02 am-6:20 pm

1 stop7h 18m

Miami

mer. 1/28

8:15 am-3:28 pm

1 stop7h 13m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

mer. 1/21

3:50 pm-9:00 pm

1 stop5h 10m

Miami

mer. 1/28

12:55 pm-8:45 pm

1 stop7h 50m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

lun. 2/23

6:00 am-12:23 pm

1 stop6h 23m

Miami

ven. 2/27

7:15 am-11:44 am

1 stop4h 29m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

lun. 2/2

10:17 am-5:45 pm

1 stop7h 28m

Miami

lun. 2/9

7:25 pm-12:04 am

1 stop4h 39m

$249

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

mer. 1/7

6:55 am-1:35 pm

1 stop6h 40m

Miami

mar. 1/13

7:55 am-1:00 pm

1 stop5h 05m

$254

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

dim. 3/1

6:40 pm-11:00 pm

1 stop4h 20m

Miami

jeu. 3/12

4:55 pm-7:40 pm

Nonstop2h 45m

$272

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

sam. 2/7

7:10 am-10:00 am

Nonstop2h 50m

Miami

lun. 2/9

6:30 am-12:15 pm

1 stop5h 45m

$274

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

mar. 3/10

2:51 pm-12:47 am

1 stop9h 56m

Miami

dim. 3/15

5:05 am-1:56 pm

1 stop8h 51m

$281

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

mer. 3/11

6:00 am-8:44 am

Nonstop2h 44m

Miami

sam. 3/14

8:00 am-11:01 am

Nonstop3h 01m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 22 results
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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.
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

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 December 19, 2025.

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 $70). Flying from Columbus Airport to Key Largo in December is currently the most expensive (average of $119). 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 décembre 23, 2025.

It’s optimal to fly from Columbus Airport to Key Largo in the morning. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Columbus Airport to Key Largo flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 décembre 23, 2025.

The most flights from CMH to KE9 are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

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 décembre 23, 2025.
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.
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,196 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,075 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Columbus Airport to Key Largo?

    Airlines like Delta and Southwest fly from Columbus Airport to Key Largo in about 5h 10m. The time it takes to get you to your destination can typically vary by up to 2h 08m. There are 992 mi between Columbus Airport and Key Largo. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Columbus Airport to Key Largo one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $45. Users have also found prices from $64 and $88 on Frontier and American Airlines, respectively.

  • What are the most reliable airlines from Columbus Airport to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Columbus Airport to Key Largo on time: Southwest (100%), Republic Airways (100%), American Airlines (84%).

  • What are the cheapest flights from Columbus Airport to Key Largo?

    The cheapest flight price from Columbus Airport to Key Largo is $124. On average you can expect to pay $589. The most popular route, (Columbus - Miami), can usually be booked for $124.

  • Can I find deals for flights from Columbus to Key Largo that include hotel bookings?

    Yes. In addition to deals on Columbus to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbus to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to Key Largo.

  • Can I find deals for business class flights from Columbus to Key Largo?

    Yes. Cheapflights offers flight deals from Columbus to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $70). Flying from Columbus Airport to Key Largo in December is currently the most expensive (average of $119). 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.

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Alternative routes for Columbus to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Columbus to Key Largo

Discover the top 7 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 décembre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$70Average$252FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$84Average$207FlexibilityNo cancel feeOn-time65%
FrontierCheapest$98Average$212FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$145Average$392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$186Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$189Average$411FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$348FlexibilityNo cancel feeOn-timeN/A

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