What is the cheapest airline that flies from London to Florida Keys?

Air Canada and United Airlines are the most popular carriers operating from London to Florida Keys

When did momondo last update prices for flights from London Airport to Florida Keys?

Prices for flights from London Airport to Florida Keys are refreshed on a daily basis.

How many operators does momondo search for flights from London Airport to Florida Keys?

The number of operators available for flights from London Airport to Florida Keys is 1 as of April 2026.

How old do you have to be to fly from London Airport to Florida Keys?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 357 Cheap Flights from London to Florida Keys in 2026

1 adult

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Find the cheapest flights from London, Ontario to Florida Keys

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 a.m. - 12:13 p.m.

YXU

MIA

7h 03m

1 stop

8:15 a.m. - 5:33 p.m.

MIA

YXU

9h 18m

2 stops

C$ 656Air Canada

Mon, 11 May - Wed, 13 May

5:10 a.m. - 12:13 p.m.

YXU

MIA

7h 03m

1 stop

8:15 a.m. - 9:38 p.m.

MIA

YXU

13h 23m

2 stops

C$ 658Air Canada

Mon, 11 May - Wed, 13 May

12:20 p.m. - 10:17 p.m.

YXU

MIA

9h 57m

2 stops

8:15 a.m. - 5:33 p.m.

MIA

YXU

9h 18m

2 stops

C$ 660Air Canada

Mon, 11 May - Wed, 13 May

12:20 p.m. - 10:17 p.m.

YXU

MIA

9h 57m

2 stops

8:15 a.m. - 5:33 p.m.

MIA

YXU

9h 18m

2 stops

C$ 662Air Canada

Mon, 11 May - Wed, 13 May

5:10 a.m. - 12:13 p.m.

YXU

MIA

7h 03m

1 stop

9:45 p.m. - 8:53 a.m.

MIA

YXU

11h 08m

1 stop

C$ 702Air Canada

Mon, 11 May - Wed, 13 May

5:40 a.m. - 3:06 p.m.

YXU

EYW

9h 26m

2 stops

2:20 p.m. - 8:55 a.m.

EYW

YXU

18h 35m

2 stops

C$ 1,237United Airlines

Sat, 29 Aug - Wed, 2 Sep

9:30 a.m. - 10:11 p.m.

YXU

EYW

12h 41m

2 stops

2:20 p.m. - 8:55 a.m.

EYW

YXU

18h 35m

2 stops

C$ 1,238United Airlines

Sat, 29 Aug - Wed, 2 Sep

6:10 a.m. - 5:14 p.m.

YXU

EYW

35h 04m

2 stops

11:45 a.m. - 7:50 p.m.

EYW

YXU

32h 05m

2 stops

C$ 2,173WestJet

Sat, 29 Aug - Wed, 2 Sep

5:55 p.m. - 1:09 p.m.

YXU

EYW

19h 14m

2 stops

7:00 a.m. - 5:20 a.m.

EYW

YXU

22h 20m

2 stops

C$ 2,240WestJet

Sat, 29 Aug - Wed, 2 Sep

5:55 p.m. - 10:58 a.m.

YXU

EYW

17h 03m

2 stops

2:35 p.m. - 5:20 a.m.

EYW

YXU

14h 45m

2 stops

C$ 2,244WestJet

Sat, 29 Aug - Wed, 2 Sep

Air Canada flights from London, Ontario to Florida Keys

Our best Air Canada deals on London, Ontario to Florida Keys flight tickets

Air Canada

11 May

YXU5:10 a.m.London

7h 03m

1 stop

MIA12:13 p.m.Miami

13 May

MIA8:15 a.m.Miami

9h 18m

2 stops

YXU5:33 p.m.London

C$ 656

Air Canada

11 May

YXU5:10 a.m.London

7h 03m

1 stop

MIA12:13 p.m.Miami

13 May

MIA8:15 a.m.Miami

13h 23m

2 stops

YXU9:38 p.m.London

C$ 658

Air Canada

11 May

YXU12:20 p.m.London

9h 57m

2 stops

MIA10:17 p.m.Miami

13 May

MIA8:15 a.m.Miami

9h 18m

2 stops

YXU5:33 p.m.London

C$ 660

United Airlines flights from London, Ontario to Florida Keys

Our best United Airlines deals on London, Ontario to Florida Keys flight tickets

United Airlines

13 May

YXU12:20 p.m.London

10h 39m

2 stops

MIA10:59 p.m.Miami

20 May

MIA7:00 a.m.Miami

10h 33m

2 stops

YXU5:33 p.m.London

C$ 755

United Airlines

11 May

YXU5:10 a.m.London

17h 23m

3 stops

MIA10:33 p.m.Miami

13 May

MIA7:00 a.m.Miami

10h 33m

2 stops

YXU5:33 p.m.London

C$ 931

United Airlines

16 May

YXU5:10 a.m.London

11h 06m

2 stops

MIA4:16 p.m.Miami

19 May

MIA6:15 a.m.Miami

26h 38m

2 stops

YXU8:53 a.m.London

C$ 990

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonMiami

YXU - MIA

YXUMIA

London

Mon 11/5

5:10 a.m.-12:13 p.m.

1 stop7h 03m

Miami

Wed 13/5

8:15 a.m.-5:33 p.m.

2 stops9h 18m

C$ 656

LondonMiami

YXU - MIA

YXUMIA

London

Mon 11/5

5:10 a.m.-12:13 p.m.

1 stop7h 03m

Miami

Wed 13/5

8:15 a.m.-9:38 p.m.

2 stops13h 23m

C$ 658

LondonMiami

YXU - MIA

YXUMIA

London

Mon 11/5

12:20 p.m.-10:17 p.m.

2 stops9h 57m

Miami

Wed 13/5

8:15 a.m.-5:33 p.m.

2 stops9h 18m

C$ 660

LondonMiami

YXU - MIA

YXUMIA

London

Mon 11/5

12:20 p.m.-10:17 p.m.

2 stops9h 57m

Miami

Wed 13/5

8:15 a.m.-5:33 p.m.

2 stops9h 18m

C$ 662

LondonMiami

YXU - MIA

YXUMIA

London

Mon 11/5

5:10 a.m.-12:13 p.m.

1 stop7h 03m

Miami

Wed 13/5

9:45 p.m.-8:53 a.m.

1 stop11h 08m

C$ 702

LondonKey West

YXU - EYW

YXUEYW

London

Sat 29/8

5:40 a.m.-3:06 p.m.

2 stops9h 26m

Key West

Wed 2/9

2:20 p.m.-8:55 a.m.

2 stops18h 35m

C$ 1,237

LondonKey West

YXU - EYW

YXUEYW

London

Sat 29/8

9:30 a.m.-10:11 p.m.

2 stops12h 41m

Key West

Wed 2/9

2:20 p.m.-8:55 a.m.

2 stops18h 35m

C$ 1,238

LondonKey West

YXU - EYW

YXUEYW

London

Sat 29/8

6:10 a.m.-5:14 p.m.

2 stops35h 04m

Key West

Wed 2/9

11:45 a.m.-7:50 p.m.

2 stops32h 05m

C$ 2,173

LondonKey West

YXU - EYW

YXUEYW

London

Sat 29/8

5:55 p.m.-1:09 p.m.

2 stops19h 14m

Key West

Wed 2/9

7:00 a.m.-5:20 a.m.

2 stops22h 20m

C$ 2,240

LondonKey West

YXU - EYW

YXUEYW

London

Sat 29/8

5:55 p.m.-10:58 a.m.

2 stops17h 03m

Key West

Wed 2/9

2:35 p.m.-5:20 a.m.

2 stops14h 45m

C$ 2,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on London, Ontario to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between London, Ontario to Florida Keys.

Cheap London, Ontario to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Florida Keys

Fastest flight time	9h 26m
Direct flights	None

The fastest flight from London, Ontario to Florida Keys takes 9h 26m

There are no direct flights from London, Ontario to Florida Keys. There are no popular flight routes from London, Ontario to Florida Keys.

Search flight deals

When did momondo last update prices for flights from London Airport to Florida Keys?
Prices for flights from London Airport to Florida Keys are refreshed on a daily basis.
How many operators does momondo search for flights from London Airport to Florida Keys?
The number of operators available for flights from London Airport to Florida Keys is 1 as of April 2026.
How old do you have to be to fly from London Airport to Florida Keys?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London, Ontario to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from London, Ontario to Florida Keys is Boeing 737-800 Passenger/BBJ2 (winglets), representing 35.40% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 26.72%, Embraer 195 E2 at 23.00%, and Boeing 737-800 (Scimitar Winglets) at 4.41%.

Why use momondo?

Why should I use momondo to find a flight deal from London to Florida Keys?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Florida Keys . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Florida Keys with flexible booking policies on momondo?

Flights from London to Florida Keys with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Florida Keys?

Once all potential London to Florida Keys flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Florida Keys right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Florida Keys flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.