Key Largo

$274+ Cheap flights from Columbia, MO (COU) to Key Largo, FL

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
COU — MIA
feb. 11 — feb. 181
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Cheap flight deals from Columbia to Key Largo

Keep the following information in mind while searching for Columbia to Key Largo flight deals. Data was last updated enero 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$274
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$378
Provider with most accurate pricing for Columbia Regional-Miami flight deals.
Provider most trusted by Cheapflights users for Columbia Regional-Miami flights.
From Columbia Regional to Key Largo
Highest demand for flights based on searches. 6% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from Columbia to Key Largo

Cheapest flights from Columbia to Key Largo
Explore the most affordable flight options available from Columbia to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 12, 2026.

This United Airlines deal was found by Cheapflights users on 1/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/38:09 am
COU
-
MIA
1 stop8h 06m
United Airlines
mar. 2/1011:00 am
MIA
-
COU
2 stops11h 37m
United Airlines
Deal found 1/10$274
This American Airlines deal was found by Cheapflights users on 1/10. 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.
dom. 2/226:00 am
COU
-
MIA
1 stop9h 19m
American Airlines
sáb. 2/286:19 am
MIA
-
COU
1 stop11h 50m
American Airlines
Deal found 1/10$415
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/208:09 am
COU
-
MIA
1 stop8h 06m
United Airlines
mar. 1/279:00 am
MIA
-
COU
1 stop6h 35m
United Airlines
Deal found 1/11$423
This American Airlines deal was found by Cheapflights users on 1/11. 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. 7/286:28 pm
COU
-
MIA
1 stop13h 45m
American Airlines
mar. 8/46:50 am
MIA
-
COU
1 stop12h 06m
American Airlines
Deal found 1/11$444
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/228:00 am
COU
-
MIA
1 stop8h 29m
United Airlines
sáb. 2/286:00 am
MIA
-
COU
2 stops9h 28m
United Airlines
Deal found 1/11$455
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/189:05 am
COU
-
MIA
2 stops13h 01m
United Airlines
vie. 3/205:36 pm
MIA
-
COU
1 stop17h 57m
United Airlines
Deal found 1/11$457
This United Airlines deal was found by Cheapflights users on 1/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/208:09 am
COU
-
MIA
1 stop5h 56m
United Airlines
sáb. 1/249:00 am
MIA
-
COU
1 stop6h 35m
United Airlines
Deal found 1/9$459

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbia 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 enero 12, 2026.
Use the filters below to find and compare flights from Columbia to Key Largo that are best for you.

Fly from

Columbia

Fly to

Key Largo

Route

Depart

Return

Price

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

mar. 2/3

8:09 am-5:15 pm

1 stop8h 06m

Miami

mar. 2/10

11:00 am-9:37 pm

2 stops11h 37m

$274

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

dom. 2/22

6:00 am-4:19 pm

1 stop9h 19m

Miami

sáb. 2/28

6:19 am-5:09 pm

1 stop11h 50m

$415

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

mar. 1/20

8:09 am-5:15 pm

1 stop8h 06m

Miami

mar. 1/27

9:00 am-2:35 pm

1 stop6h 35m

$423

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

mié. 1/21

8:09 am-5:15 pm

1 stop8h 06m

Miami

mar. 1/27

9:00 am-2:35 pm

1 stop6h 35m

$423

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

mar. 1/20

8:09 am-3:05 pm

1 stop5h 56m

Miami

sáb. 1/24

6:00 am-5:19 pm

2 stops12h 19m

$429

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

vie. 3/6

12:27 pm-8:08 pm

1 stop6h 41m

$285

ColumbiaMiami

COU - MIA

COUMIA

Columbia Regional

vie. 3/6

11:15 am-11:59 pm

2 stops11h 44m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Best time to book a flight from Columbia to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Columbia 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 Columbia to Key Largo
No data available for this route at this time. Please check back soon.

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 enero 12, 2026.
See what other customers who have flown with American Airlines from Columbia 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.

Food

6.4

Entertainment

6.9

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Food

6.4

Entertainment

6.9

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Columbia to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Columbia to Key Largo?

    Columbia Regional (COU), located 11.1 mi from the city center, is the airport you fly out of when you book flights from Columbia to Key Largo. 1 airline have flights from Columbia Regional to Key Largo on a regular basis. Booking flights from Columbia Regional to Key Largo should not be difficult; the airport handles an average of 0 outbound flights to Key Largo per day.

  • How long is the flight from Columbia, Missouri to Key Largo?

    There are many flights that can get you from Columbia, Missouri to Key Largo in 8h 06m. Fly via United Airlines or American Airlines to get the fastest option. There are 1135 mi between Columbia, Missouri and Key Largo. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbia 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.

See more FAQs

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Alternative routes for Columbia to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Columbia to Key Largo

Discover the top airline that operate flights from Columbia 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 enero 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$415Average$620FlexibilityNo cancel feeOn-time71%

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