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£50+ Cheap flights from Key Largo

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MIA — LHR
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Key Largo

Discover essential information about flights departing from Key Largo, including flight schedules, destinations, airlines operating at the Key Largo airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 22 January 2026.

Cheapest one-way flight

£40

Cheapest round-trip flight

£221

Cheapest airline

Delta

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to San Juan Luis Munoz Marin Intl.
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The cheapest round-trip flight from Key Largo is currently to Kingston Norman Manley.
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On average, Delta currently has the cheapest one-way flight from Key Largo (avg. price of £187).
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London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £395).
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Find flights from Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Key Largo
Explore the most affordable flight options available from Key Largo. Find the lowest fares based on data from user searches, with prices last updated on 22 January 2026.

Wed 4/312:55
MIA
-
HOU
1 stop6h 40m
Southwest
Tue 10/314:45
HOU
-
MIA
Nonstop2h 15m
Southwest
Deal found 20/1£124
Thu 5/305:10
MIA
-
HOU
Nonstop2h 55m
Southwest
Tue 10/314:45
HOU
-
MIA
Nonstop2h 15m
Southwest
Deal found 20/1£132
Sat 28/206:00
MIA
-
HOU
1 stop9h 35m
Southwest
Tue 10/314:45
HOU
-
MIA
Nonstop2h 15m
Southwest
Deal found 21/1£144
Tue 3/312:00
MIA
-
HOU
1 stop5h 28m
Delta
Wed 4/310:50
HOU
-
MIA
1 stop6h 31m
Delta
Deal found 20/1£147
Wed 25/206:00
MIA
-
HOU
1 stop5h 01m
Delta
Wed 18/317:22
HOU
-
MIA
1 stop6h 30m
Delta
Deal found 20/1£151
Wed 18/216:46
MIA
-
HOU
1 stop6h 42m
Delta
Tue 24/210:50
HOU
-
MIA
1 stop5h 05m
Delta
Deal found 20/1£154
Wed 18/206:00
MIA
-
HOU
1 stop5h 01m
Delta
Mon 23/205:25
HOU
-
MIA
1 stop5h 58m
Delta
Deal found 20/1£155
Wed 18/207:15
MIA
-
HOU
1 stop9h 00m
Southwest
Tue 24/211:15
HOU
-
MIA
2 stops8h 45m
Southwest
Deal found 22/1£159
Thu 19/207:00
MIA
-
HOU
1 stop6h 45m
Southwest
Sun 1/307:50
HOU
-
MIA
1 stop9h 50m
Southwest
Deal found 21/1£160
Wed 11/210:33
MIA
-
HOU
1 stop6h 37m
Delta
Wed 18/205:25
HOU
-
MIA
1 stop7h 48m
Delta
Deal found 21/1£162
Thu 12/206:00
MIA
-
HOU
1 stop5h 01m
Delta
Wed 18/213:06
HOU
-
MIA
1 stop6h 38m
Delta
Deal found 21/1£162
Wed 4/217:15
MIA
-
MAN
1 stop12h 45m
Multiple Airlines
Sat 7/212:30
MAN
-
MIA
1 stop36h 30m
Multiple Airlines
Deal found 20/1£353

Find flights from Key Largo within your budget

 
Find flights departing from Key Largo that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 22 January 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MiamiHouston

MIA - HOU

MIAHOU

Miami

Wed 4/3

12:55-18:35

1 stop6h 40m

Houston Hobby

Tue 10/3

14:45-18:00

Nonstop2h 15m

£124

MiamiHouston

MIA - HOU

MIAHOU

Miami

Sat 28/2

06:00-14:35

1 stop9h 35m

Houston Hobby

Tue 10/3

14:45-18:00

Nonstop2h 15m

£144

MiamiHouston

MIA - HOU

MIAHOU

Miami

Wed 25/2

06:00-10:01

1 stop5h 01m

Houston Hobby

Tue 3/3

17:19-00:53

1 stop6h 34m

£147

MiamiHouston

MIA - HOU

MIAHOU

Miami

Tue 3/3

12:00-16:28

1 stop5h 28m

Houston Hobby

Wed 4/3

10:50-18:21

1 stop6h 31m

£147

MiamiHouston

MIA - HOU

MIAHOU

Miami

Wed 25/2

06:00-10:01

1 stop5h 01m

Houston Hobby

Wed 18/3

14:13-20:50

1 stop5h 37m

£151

MiamiHouston

MIA - HOU

MIAHOU

Miami

Wed 18/2

16:46-22:28

1 stop6h 42m

Houston Hobby

Tue 24/2

10:50-16:55

1 stop5h 05m

£154

MiamiHouston

MIA - HOU

MIAHOU

Miami

Wed 18/2

07:15-15:15

1 stop9h 00m

Houston Hobby

Tue 24/2

11:15-21:00

2 stops8h 45m

£159

MiamiHouston

MIA - HOU

MIAHOU

Miami

Fri 27/2

19:45-00:30

1 stop5h 45m

Houston Hobby

Tue 3/3

05:40-12:00

1 stop5h 20m

£162

MiamiHouston

MIA - HOU

MIAHOU

Miami

Sat 21/2

06:00-14:35

1 stop9h 35m

Houston Hobby

Sat 28/2

09:05-17:20

1 stop7h 15m

£173

MiamiManchester

MIA - MAN

MIAMAN

Miami

Wed 11/2

17:15-11:00

1 stop12h 45m

Manchester

Thu 26/2

11:55-20:55

1 stop14h 00m

£390

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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Best time to book a flight from Key Largo

Have a flexible travel schedule? Discover the best time to fly from Key Largo with our price prediction graph.
Estimated return 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.

Travel insights for flights from Key Largo

Get recent, data-driven insights about flights from Key Largo including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Key Largo?

Use this chart to determine the optimal time to book a return flight from Key Largo to Heathrow. Price data was last updated on 16 January 2026.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo?

Currently, January is the cheapest month in which you can book a flight from Key Largo (average of £211). Flying from Key Largo in June will prove the most costly (average of £456). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Key Largo?

Many airlines operate round-trip flights from Key Largo: Virgin Atlantic, British Airways, Air France, KLM, American Airlines. These airlines fly to the following popular destinations: London.

American Airlines
American Airlines
From £72
Virgin Atlantic
Virgin Atlantic
From £284
British Airways
British Airways
From £286
Avianca
Avianca
From £89

Airline reviews for flights from Key Largo

Get insights into the airlines that provide service from 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 airline for your flight from Key Largo. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAir France from Key Largo by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,523 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,176 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,690 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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Related info for your journey

Access useful and relevant information related to your journey from Key Largo. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 22 January 2026.

  • What is the cheapest airport to fly out of Key Largo?

    Dublin airport offers the cheapest routes to Belfast, from £15; whereas Manchester airport is typically cheaper if you're flying to Accra, from £25. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Key Largo?

    At the present moment the cheapest month to fly from Key Largo is currently January; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Key Largo?

    Check out the cheapest flights from Key Largo to embark to:
    Travel from Dublin to Glasgow from £15 round trip
    Travel from Manchester to Barcelona from £25 round trip
    Travel from Barcelona to Manchester from £25 round trip
    Travel from Oslo to London from £26 round trip
    Travel from London to Istanbul from £28 round trip

  • How does Cheapflights help users find flights from Key Largo?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Key Largo?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Key Largo.

  • Can Cheapflights find flights from Key Largo with no change fees?

    Certainly. Search results for flights from Key Largo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Key Largo become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Key Largo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Key Largo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Key Largo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Key Largo.

Can Cheapflights find flights from Key Largo with no change fees?

Certainly. Search results for flights from Key Largo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Key Largo become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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