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£60+ 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 2/5. 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
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Cheapest one-way flight

£48

Cheapest round-trip flight

£114

Cheapest airline

Frontier

Most popular destination

London Heathrow (LHR)
The cheapest one-way flight from Key Largo is currently to New York John F Kennedy Intl.
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The cheapest round-trip flight from Key Largo is currently to London Gatwick.
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On average, Frontier currently has the cheapest one-way flight from Key Largo (avg. price of £79).
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London Heathrow (LHR) is currently the most popular flight destination from Key Largo (average return price of £371).
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Find flights from Key Largo

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 15 April 2025.

Mon 8/914:09MIA - SJO
1 stop7h 26mArajet
Thu 11/908:42SJO - MIA
1 stop7h 13mArajet
Deal found 14/4£176
Thu 7/818:31MIA - SJO
1 stop15h 04mMultiple Airlines
Sat 23/808:14SJO - MIA
Nonstop2h 43mMultiple Airlines
Deal found 14/4£185
Fri 9/521:40MIA - SJO
Nonstop3h 00mAvianca
Sun 11/517:25SJO - MIA
1 stop4h 30mAvianca
Deal found 14/4£204
Fri 29/814:26MIA - SJO
1 stop6h 33mCopa Airlines
Sat 6/914:29SJO - MIA
1 stop6h 14mCopa Airlines
Deal found 15/4£210
Mon 12/509:00MIA - SJO
1 stop29h 26mUnited Airlines
Mon 19/507:55SJO - MIA
1 stop10h 39mUnited Airlines
Deal found 14/4£291
Thu 8/517:20MIA - LGW
Nonstop8h 40mNorse Atlantic UK
Wed 21/510:00LGW - MIA
Nonstop9h 20mNorse Atlantic UK
Deal found 14/4£299
Wed 3/914:03MIA - LHR
1 stop11h 42mKLM
Tue 9/909:20LHR - MIA
1 stop12h 58mKLM
Deal found 15/4£306
Fri 9/519:25MIA - LHR
Nonstop9h 00mDelta
Mon 26/515:55LHR - MIA
Nonstop9h 40mDelta
Deal found 15/4£343
Thu 19/605:30MIA - SJO
1 stop8h 30mDelta
Mon 8/913:18SJO - MIA
1 stop9h 34mDelta
Deal found 14/4£345
Thu 3/711:30MIA - SJO
2 stops10h 10mSouthwest
Mon 7/708:45SJO - MIA
2 stops11h 35mSouthwest
Deal found 15/4£348
Wed 13/803:55MIA - LGW
1 stop24h 50mMultiple Airlines
Thu 28/810:00LGW - MIA
Nonstop9h 20mMultiple Airlines
Deal found 15/4£349
Fri 9/514:10MIA - LHR
1 stop11h 20mMultiple Airlines
Sun 11/506:00LHR - MIA
1 stop16h 30mMultiple Airlines
Deal found 15/4£367

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 15 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 8/9

14:09-19:35

1 stop7h 26m

San José Juan Santamaria Intl

Thu 11/9

08:42-17:55

1 stop7h 13m

£176

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 7/8

18:31-07:35

1 stop15h 04m

San José Juan Santamaria Intl

Sat 23/8

08:14-12:57

Nonstop2h 43m

£185

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 9/5

21:40-22:40

Nonstop3h 00m

San José Juan Santamaria Intl

Sun 11/5

17:25-23:55

1 stop4h 30m

£204

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 29/8

14:20-18:59

1 stop6h 39m

San José Juan Santamaria Intl

Mon 1/9

10:05-22:43

1 stop10h 38m

£210

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 12/5

09:00-12:26

1 stop29h 26m

San José Juan Santamaria Intl

Mon 19/5

07:55-20:34

1 stop10h 39m

£291

MiamiLondon

MIA - LGW

MIALGW

Miami

Thu 8/5

17:20-07:00

Nonstop8h 40m

London Gatwick

Wed 21/5

10:00-14:20

Nonstop9h 20m

£299

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 3/9

14:03-06:45

1 stop11h 42m

London Heathrow

Tue 9/9

09:20-17:18

1 stop12h 58m

£306

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 9/5

19:25-09:25

Nonstop9h 00m

London Heathrow

Mon 26/5

15:55-20:35

Nonstop9h 40m

£343

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 19/6

05:30-12:00

1 stop8h 30m

San José Juan Santamaria Intl

Mon 8/9

13:18-00:52

1 stop9h 34m

£345

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 3/7

11:30-19:40

2 stops10h 10m

San José Juan Santamaria Intl

Mon 7/7

08:45-22:20

2 stops11h 35m

£348

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 11 April 2025.

Booking 26 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 £224). Flying from Key Largo in June will prove the most costly (average of £499). 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, Iberia, KLM. These airlines fly to the following popular destinations: London.

American Airlines

American Airlines

From £100

British Airways

British Airways

From £344

Virgin Atlantic

Virgin Atlantic

From £392

Spirit Airlines

Spirit Airlines

From £30

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.
Delta
8.0
Very Good
7,918 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,918 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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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 15 April 2025.

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

    Seoul Gimpo Intl airport offers the cheapest routes to Jeju City, from £13; whereas Belfast Intl airport is typically cheaper if you're flying to Málaga, from £24. 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 Seoul to Jeju City from £13 round trip
    Travel from Belfast to London from £24 round trip
    Travel from Paris to Birmingham from £26 round trip
    Travel from London to Milan from £27 round trip
    Travel from Paris to Manchester 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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