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Key Largo

$58+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — MIA
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Key Largo are usually found in September or July, booked 29 days in advance, depart on a Sunday or Monday and return on a Thursday

Cheap 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 October 31, 2025.

Round-trip from

$151
(Kiwi.com)

One-way from

$58
(CheapOair)

Popular in

March

Cheapest in

September

Average price

$360
From Columbus to Key Largo
Search Deals
One-way flight from Columbus to Key Largo
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Highest demand for flights based on searches. 8% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/166:00 amCMH - MIA
2 stops11h 55mMultiple Airlines
Fri 12/195:30 amMIA - CMH
1 stop11h 10mMultiple Airlines
Deal found 10/28$151
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/223:08 pmCMH - MIA
1 stop8h 07mMultiple Airlines
Fri 12/55:30 amMIA - CMH
1 stop6h 21mMultiple Airlines
Deal found 10/29$160
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/138:33 pmCMH - MIA
2 stops26h 26mMultiple Airlines
Sun 12/219:01 pmMIA - CMH
1 stop21h 49mMultiple Airlines
Deal found 10/28$163
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/152:38 pmCMH - MIA
2 stops20h 22mMultiple Airlines
Tue 11/187:39 pmMIA - CMH
1 stop13h 08mMultiple Airlines
Deal found 10/29$168
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/116:45 pmCMH - MIA
2 stops30h 01mFrontier
Mon 12/155:30 amMIA - CMH
1 stop6h 11mFrontier
Deal found 10/28$169
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/256:00 amCMH - MIA
2 stops17h 40mMultiple Airlines
Fri 12/55:30 amMIA - CMH
1 stop6h 21mMultiple Airlines
Deal found 10/29$170
This Priceline deal was found by Cheapflights users on 10/30. 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 12/46:00 amCMH - MIA
1 stop7h 14mMultiple Airlines
Mon 12/85:30 amMIA - CMH
1 stop6h 11mMultiple Airlines
Deal found 10/30$172
This Frontier deal was found by Cheapflights users on 10/29. 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 11/104:30 pmCMH - MIA
1 stop8h 04mFrontier
Fri 11/145:01 amMIA - CMH
1 stop10h 34mFrontier
Deal found 10/29$176
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/223:08 pmCMH - MIA
1 stop8h 07mMultiple Airlines
Tue 12/28:21 amMIA - CMH
1 stop23h 14mMultiple Airlines
Deal found 10/29$179
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/152:38 pmCMH - MIA
2 stops20h 22mMultiple Airlines
Thu 11/204:35 pmMIA - CMH
1 stop15h 00mMultiple Airlines
Deal found 10/29$182
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/175:25 amCMH - MIA
2 stops29h 57mMultiple Airlines
Thu 11/274:35 pmMIA - CMH
1 stop15h 00mMultiple Airlines
Deal found 10/29$186

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 October 31, 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

Fri 1/2

5:35 pm-10:58 am

1 stop17h 23m

Miami

Thu 1/8

7:09 pm-11:03 am

1 stop15h 54m

$194

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Wed 1/21

8:00 am-3:27 pm

1 stop7h 27m

Miami

Tue 1/27

3:25 pm-10:16 pm

1 stop6h 51m

$199

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Sat 1/17

11:37 am-2:29 pm

Nonstop2h 52m

Miami

Mon 1/19

8:03 am-10:57 am

Nonstop2h 54m

$213

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Thu 1/1

5:09 pm-7:58 pm

2 stops26h 49m

Miami

Thu 1/8

7:09 pm-11:03 am

1 stop15h 54m

$231

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Thu 1/1

5:09 pm-7:58 pm

2 stops26h 49m

Miami

Fri 1/9

5:35 am-11:03 am

1 stop5h 28m

$231

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Fri 1/2

5:35 pm-10:58 am

1 stop17h 23m

Miami

Fri 1/9

5:35 am-9:12 pm

2 stops15h 37m

$233

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Fri 1/2

5:35 pm-10:58 am

1 stop17h 23m

Miami

Thu 1/8

5:35 am-8:05 pm

2 stops14h 30m

$233

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Wed 11/12

4:18 pm-10:11 pm

1 stop5h 53m

Miami

Fri 11/14

5:01 am-3:35 pm

1 stop10h 34m

$236

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Thu 1/1

6:00 am-10:23 am

1 stop4h 23m

Miami

Thu 1/8

12:02 pm-5:15 pm

1 stop5h 13m

$243

ColumbusMiami

CMH - MIA

CMHMIA

Columbus

Thu 1/1

6:00 am-10:23 am

1 stop4h 23m

Miami

Fri 1/9

12:02 pm-5:15 pm

1 stop5h 13m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 23 results
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2
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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 October 24, 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 $100). 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 October 31, 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 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 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 October 31, 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
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,116 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 2h 52m. Frontier provides one of the quickest options available for as low as $213. 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 $75 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $90 and Delta from $99 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 Envoy Air (82%), Qatar Airways (79%) or American Airlines (66%) 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 $483 for a flight from Columbus to Key Largo. The cheapest flight overall is $88 while the most popular route, (Columbus - Miami) is currently priced at $122.

  • 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 $100). 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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$200FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$70Average$178FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$85Average$206FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$145Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$418FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$423FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$363FlexibilityNo cancel feeOn-timeN/A

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