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Key Largo

$63+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Key Largo are usually found in September or January, booked 29 days in advance, depart on a Sunday or Monday 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/265:35 pmCMH - MIA
1 stop27h 34mMultiple Airlines
Thu 1/87:00 amMIA - CMH
1 stop27h 48mMultiple Airlines
Deal found 12/16$262
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/265:35 pmCMH - MIA
1 stop27h 34mFrontier
Fri 1/95:20 amMIA - CMH
1 stop5h 28mFrontier
Deal found 12/16$266
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/265:35 pmCMH - MIA
1 stop27h 34mMultiple Airlines
Wed 1/78:00 amMIA - CMH
2 stops14h 38mMultiple Airlines
Deal found 12/16$279
This Frontier deal was found by Cheapflights users on 12/16. 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 12/228:02 pmCMH - MIA
1 stop4h 49mFrontier
Fri 12/265:30 amMIA - CMH
1 stop11h 10mFrontier
Deal found 12/16$283
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/298:02 pmCMH - MIA
1 stop28h 45mMultiple Airlines
Tue 1/69:59 pmMIA - CMH
2 stops24h 39mMultiple Airlines
Deal found 12/17$284
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:58 pmCMH - MIA
1 stop9h 02mFrontier
Tue 12/306:05 amMIA - CMH
1 stop12h 58mFrontier
Deal found 12/16$293
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/228:02 pmCMH - MIA
1 stop25h 02mMultiple Airlines
Fri 12/265:30 amMIA - CMH
1 stop11h 10mMultiple Airlines
Deal found 12/15$303
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/298:02 pmCMH - MIA
1 stop28h 45mMultiple Airlines
Mon 1/58:00 amMIA - CMH
1 stop10h 06mMultiple Airlines
Deal found 12/17$305
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/265:35 pmCMH - MIA
1 stop27h 34mMultiple Airlines
Tue 1/68:00 amMIA - CMH
2 stops26h 19mMultiple Airlines
Deal found 12/16$306
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/228:02 pmCMH - MIA
1 stop25h 02mMultiple Airlines
Thu 12/252:47 pmMIA - CMH
1 stop5h 51mMultiple Airlines
Deal found 12/15$309
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/265:35 pmCMH - MIA
1 stop27h 34mMultiple Airlines
Fri 1/95:20 amMIA - CMH
2 stops18h 07mMultiple Airlines
Deal found 12/16$312

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 December 18, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$63
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$397
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 ($29 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
Search Deals

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 December 18, 2025.
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 1/21

6:55 am-1:35 pm

1 stop6h 40m

Miami

Thu 1/22

7:15 am-12:40 pm

1 stop5h 25m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Mon 1/19

6:34 pm-12:51 am

1 stop6h 17m

Miami

Wed 1/21

5:30 pm-12:04 am

1 stop6h 34m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Mon 2/2

6:34 pm-12:51 am

1 stop6h 17m

Miami

Fri 2/6

10:29 am-3:28 pm

1 stop4h 59m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Wed 1/21

6:55 am-1:35 pm

1 stop6h 40m

Miami

Tue 1/27

2:35 pm-10:05 pm

1 stop7h 30m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Mon 2/23

4:13 pm-10:47 pm

1 stop6h 34m

Miami

Fri 2/27

6:00 am-11:42 am

1 stop5h 42m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Wed 1/21

5:00 pm-9:41 pm

1 stop4h 41m

Miami

Tue 1/27

7:15 am-11:44 am

1 stop4h 29m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Mon 2/9

12:30 pm-10:25 pm

2 stops9h 55m

Miami

Fri 2/13

12:25 pm-3:20 pm

Nonstop2h 55m

$244

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Mon 1/26

6:34 pm-12:51 am

1 stop6h 17m

Miami

Mon 2/2

7:25 pm-12:04 am

1 stop4h 39m

$249

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Thu 3/5

8:39 am-12:42 am

2 stops16h 03m

Miami

Sun 3/8

5:05 am-1:56 pm

1 stop8h 51m

$303

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Thu 2/5

12:30 pm-10:25 pm

2 stops9h 55m

Miami

Mon 2/9

6:30 am-12:15 pm

1 stop5h 45m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 21 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 to Key Largo

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 December 12, 2025.

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 $66). Flying from Columbus to Key Largo in December is currently the most expensive (average of $114). 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 December 18, 2025.

It’s optimal to fly from Columbus to Key Largo in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Columbus to Key Largo flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday at noon 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 December 18, 2025.
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.
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

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 to Key Largo?

    A quick flight from Columbus to Key Largo can take about 6h 17m. Southwest provides one of the quickest options available for as low as $199. The distance between Columbus and Key Largo is about 992 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $45 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $79 and American Airlines from $88 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Columbus to Key Largo consider choosing Southwest (100%), Republic Airways (100%) or American Airlines (84%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $624 for a flight from Columbus to Key Largo. The cheapest flight overall is $128 while the most popular route, (Columbus - Miami) is currently priced at $125.

  • 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 to Key Largo?

    Currently, June is the cheapest month in which you can book a flight from Columbus to Key Largo (average of $66). Flying from Columbus to Key Largo in December is currently the most expensive (average of $114). 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.

See more FAQs

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$185FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$76Average$179FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$85Average$207FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$145Average$418FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$187Average$419FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$410FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$362FlexibilityNo cancel feeOn-timeN/A

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