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 February 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$ 344 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.

9:40 a.m. - 3:15 p.m.

YXU

MIA

5h 35m

1 stop

8:00 a.m. - 9:21 p.m.

MIA

YXU

13h 21m

2 stops

C$ 632Air Canada

Tue, 10 Mar - Thu, 12 Mar

9:40 a.m. - 3:15 p.m.

YXU

MIA

5h 35m

1 stop

8:00 a.m. - 9:21 p.m.

MIA

YXU

13h 21m

2 stops

C$ 633Air Canada

Tue, 10 Mar - Thu, 12 Mar

5:10 a.m. - 5:29 p.m.

YXU

MIA

12h 19m

2 stops

8:00 a.m. - 9:21 p.m.

MIA

YXU

13h 21m

2 stops

C$ 637Air Canada

Tue, 10 Mar - Thu, 12 Mar

5:10 a.m. - 5:29 p.m.

YXU

MIA

12h 19m

2 stops

8:00 a.m. - 9:18 p.m.

MIA

YXU

13h 18m

2 stops

C$ 649Air Canada

Sun, 22 Mar - Thu, 9 Apr

5:10 a.m. - 10:40 a.m.

YXU

MIA

5h 30m

1 stop

9:05 p.m. - 8:43 a.m.

MIA

YXU

11h 38m

1 stop

C$ 660Air Canada

Sun, 22 Mar - Fri, 10 Apr

9:40 a.m. - 10:29 p.m.

YXU

MIA

12h 49m

2 stops

9:05 p.m. - 8:43 a.m.

MIA

YXU

11h 38m

1 stop

C$ 671Air Canada

Sun, 22 Mar - Fri, 10 Apr

5:40 p.m. - 12:16 a.m.

YXU

MIA

6h 36m

1 stop

12:20 p.m. - 9:21 p.m.

MIA

YXU

9h 01m

1 stop

C$ 673Air Canada

Mon, 2 Mar - Thu, 26 Mar

5:40 p.m. - 12:16 a.m.

YXU

MIA

6h 36m

1 stop

8:00 a.m. - 5:03 p.m.

MIA

YXU

9h 03m

2 stops

C$ 678Air Canada

Mon, 23 Mar - Mon, 30 Mar

5:10 a.m. - 5:45 p.m.

YXU

EYW

12h 35m

2 stops

4:55 p.m. - 5:05 p.m.

EYW

YXU

24h 10m

3 stops

C$ 949United Airlines

Mon, 9 Mar - Wed, 11 Mar

5:10 a.m. - 5:45 p.m.

YXU

EYW

12h 35m

2 stops

2:24 p.m. - 8:46 a.m.

EYW

YXU

18h 22m

2 stops

C$ 965United Airlines

Mon, 9 Mar - Wed, 11 Mar

United Airlines flights from London, Ontario to Florida Keys

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

United Airlines

23 Mar

YXU5:10 a.m.London

11h 01m

2 stops

MIA4:11 p.m.Miami

9 Apr

MIA7:01 a.m.Miami

10h 02m

2 stops

YXU5:03 p.m.London

C$ 719

United Airlines

10 Mar

YXU9:40 a.m.London

10h 47m

2 stops

MIA8:27 p.m.Miami

12 Mar

MIA6:15 a.m.Miami

10h 50m

2 stops

YXU5:05 p.m.London

C$ 720

United Airlines

2 Mar

YXU5:10 a.m.London

12h 19m

2 stops

MIA5:29 p.m.Miami

26 Mar

MIA6:15 a.m.Miami

10h 50m

2 stops

YXU5:05 p.m.London

C$ 730

Air Canada flights from London, Ontario to Florida Keys

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

Air Canada

10 Mar

YXU9:40 a.m.London

5h 35m

1 stop

MIA3:15 p.m.Miami

12 Mar

MIA8:00 a.m.Miami

13h 21m

2 stops

YXU9:21 p.m.London

C$ 632

Air Canada

10 Mar

YXU9:40 a.m.London

5h 35m

1 stop

MIA3:15 p.m.Miami

12 Mar

MIA8:00 a.m.Miami

13h 21m

2 stops

YXU9:21 p.m.London

C$ 633

Air Canada

10 Mar

YXU5:10 a.m.London

12h 19m

2 stops

MIA5:29 p.m.Miami

12 Mar

MIA8:00 a.m.Miami

13h 21m

2 stops

YXU9:21 p.m.London

C$ 637

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

LondonMiami

YXU - MIA

YXUMIA

London

Tue 10/3

9:40 a.m.-3:15 p.m.

1 stop5h 35m

Miami

Thu 12/3

8:00 a.m.-9:21 p.m.

2 stops13h 21m

C$ 632

LondonMiami

YXU - MIA

YXUMIA

London

Tue 10/3

9:40 a.m.-3:15 p.m.

1 stop5h 35m

Miami

Thu 12/3

8:00 a.m.-9:21 p.m.

2 stops13h 21m

C$ 633

LondonMiami

YXU - MIA

YXUMIA

London

Tue 10/3

5:10 a.m.-5:29 p.m.

2 stops12h 19m

Miami

Thu 12/3

8:00 a.m.-9:21 p.m.

2 stops13h 21m

C$ 637

LondonMiami

YXU - MIA

YXUMIA

London

Sun 22/3

5:10 a.m.-5:29 p.m.

2 stops12h 19m

Miami

Thu 9/4

8:00 a.m.-9:18 p.m.

2 stops13h 18m

C$ 649

LondonMiami

YXU - MIA

YXUMIA

London

Sun 22/3

5:10 a.m.-10:40 a.m.

1 stop5h 30m

Miami

Fri 10/4

9:05 p.m.-8:43 a.m.

1 stop11h 38m

C$ 660

LondonMiami

YXU - MIA

YXUMIA

London

Sun 22/3

9:40 a.m.-10:29 p.m.

2 stops12h 49m

Miami

Fri 10/4

9:05 p.m.-8:43 a.m.

1 stop11h 38m

C$ 671

LondonMiami

YXU - MIA

YXUMIA

London

Mon 2/3

5:40 p.m.-12:16 a.m.

1 stop6h 36m

Miami

Thu 26/3

12:20 p.m.-9:21 p.m.

1 stop9h 01m

C$ 673

LondonMiami

YXU - MIA

YXUMIA

London

Mon 23/3

5:40 p.m.-12:16 a.m.

1 stop6h 36m

Miami

Mon 30/3

8:00 a.m.-5:03 p.m.

2 stops9h 03m

C$ 678

LondonKey West

YXU - EYW

YXUEYW

London

Mon 9/3

5:10 a.m.-5:45 p.m.

2 stops12h 35m

Key West

Wed 11/3

4:55 p.m.-5:05 p.m.

3 stops24h 10m

C$ 949

LondonKey West

YXU - EYW

YXUEYW

London

Mon 9/3

5:10 a.m.-5:45 p.m.

2 stops12h 35m

Key West

Wed 11/3

2:24 p.m.-8:46 a.m.

2 stops18h 22m

C$ 965

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

What is the cheapest month to fly to Florida Keys?

The month of July is, on average, the cheapest month to fly to Florida Keys from London, Ontario, with most prices found around C$ 562. If you are unable to visit Florida Keys during the month of July, then departing from London, Ontario during the month August is also very affordable. Most momondo users find prices during this month for around C$ 592.

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 09m
Direct flights	None

The fastest flight from London, Ontario to Florida Keys takes 9h 09m

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 February 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 MAX 8, representing 35.71% of all bookings. The subsequent popular models are Embraer 195 E2 at 29.96%, Airbus A321-100/200 at 9.72%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 4.76%.

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.