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

Air Canada is the most popular carrier 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 May 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$ 392 Cheap Flights from London, Ontario 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

1:10 p.m. - 9:38 p.m.

MIA

YXU

8h 28m

1 stop

C$ 793Air Canada

Thu, 11 Jun - Wed, 17 Jun

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

YXU

MIA

7h 03m

1 stop

7:15 a.m. - 5:33 p.m.

MIA

YXU

10h 18m

2 stops

C$ 861Air Canada

Thu, 11 Jun - Wed, 17 Jun

5:10 a.m. - 10:27 p.m.

YXU

MIA

17h 17m

2 stops

4:06 p.m. - 9:17 a.m.

MIA

YXU

17h 11m

2 stops

C$ 895United Airlines

Thu, 11 Jun - Wed, 17 Jun

5:40 a.m. - 12:13 p.m.

YXU

MIA

6h 33m

1 stop

1:15 p.m. - 9:40 p.m.

MIA

YXU

8h 25m

1 stop

C$ 902Air Canada

Sun, 9 Aug - Sun, 13 Sep

5:40 a.m. - 5:01 p.m.

YXU

MIA

11h 21m

2 stops

1:15 p.m. - 9:40 p.m.

MIA

YXU

8h 25m

1 stop

C$ 906Air Canada

Sun, 9 Aug - Sun, 13 Sep

5:45 a.m. - 3:06 p.m.

YXU

EYW

9h 21m

2 stops

2:30 p.m. - 10:06 a.m.

EYW

YXU

19h 36m

2 stops

C$ 1,063United Airlines

Wed, 28 Oct - Sat, 31 Oct

5:10 a.m. - 2:50 a.m.

YXU

MIA

21h 40m

2 stops

1:45 p.m. - 9:17 a.m.

MIA

YXU

19h 32m

3 stops

C$ 1,603Avianca

Thu, 11 Jun - Wed, 17 Jun

5:55 p.m. - 3:45 a.m.

YXU

MIA

33h 50m

3 stops

1:45 p.m. - 9:17 a.m.

MIA

YXU

19h 32m

3 stops

C$ 1,850Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

6:20 p.m. - 12:10 p.m.

YXU

MIA

17h 50m

2 stops

5:12 p.m. - 5:20 a.m.

MIA

YXU

36h 08m

3 stops

C$ 1,861Multiple Airlines

Sun, 9 Aug - Sun, 13 Sep

5:55 p.m. - 10:53 a.m.

YXU

MIA

16h 58m

2 stops

2:39 p.m. - 1:50 p.m.

MIA

YXU

23h 11m

2 stops

C$ 2,234WestJet

Sat, 30 May - Sat, 27 Jun

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 Jun

YXU5:10 a.m.London

7h 03m

1 stop

MIA12:13 p.m.Miami

17 Jun

MIA1:10 p.m.Miami

8h 28m

1 stop

YXU9:38 p.m.London

C$ 793

Air Canada

11 Jun

YXU5:10 a.m.London

7h 03m

1 stop

MIA12:13 p.m.Miami

17 Jun

MIA7:15 a.m.Miami

10h 18m

2 stops

YXU5:33 p.m.London

C$ 861

Air Canada

9 Aug

YXU5:40 a.m.London

6h 33m

1 stop

MIA12:13 p.m.Miami

13 Sep

MIA1:15 p.m.Miami

8h 25m

1 stop

YXU9:40 p.m.London

C$ 902

United Airlines flights from London, Ontario to Florida Keys

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

United Airlines

11 Jun

YXU5:10 a.m.London

17h 17m

2 stops

MIA10:27 p.m.Miami

17 Jun

MIA4:06 p.m.Miami

17h 11m

2 stops

YXU9:17 a.m.London

C$ 895

United Airlines

28 Oct

YXU5:45 a.m.London

9h 21m

2 stops

EYW3:06 p.m.Key West

31 Oct

EYW2:30 p.m.Key West

19h 36m

2 stops

YXU10:06 a.m.London

C$ 1,063

United Airlines

28 Oct

YXU5:45 a.m.London

9h 21m

2 stops

EYW3:06 p.m.Key West

31 Oct

EYW2:30 p.m.Key West

19h 36m

2 stops

YXU10:06 a.m.London

C$ 1,065

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

LondonMiami

YXU - MIA

YXUMIA

London

Thu 11/6

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

1 stop7h 03m

Miami

Wed 17/6

1:10 p.m.-9:38 p.m.

1 stop8h 28m

C$ 793

LondonMiami

YXU - MIA

YXUMIA

London

Thu 11/6

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

1 stop7h 03m

Miami

Wed 17/6

7:15 a.m.-5:33 p.m.

2 stops10h 18m

C$ 861

LondonMiami

YXU - MIA

YXUMIA

London

Thu 11/6

5:10 a.m.-10:27 p.m.

2 stops17h 17m

Miami

Wed 17/6

4:06 p.m.-9:17 a.m.

2 stops17h 11m

C$ 895

Quickest round-trip

LondonMiami

YXU - MIA

YXUMIA

London

Sun 9/8

5:40 a.m.-12:13 p.m.

1 stop6h 33m

Miami

Sun 13/9

1:15 p.m.-9:40 p.m.

1 stop8h 25m

C$ 902

LondonMiami

YXU - MIA

YXUMIA

London

Sun 9/8

5:40 a.m.-5:01 p.m.

2 stops11h 21m

Miami

Sun 13/9

1:15 p.m.-9:40 p.m.

1 stop8h 25m

C$ 906

LondonKey West

YXU - EYW

YXUEYW

London

Wed 28/10

5:45 a.m.-3:06 p.m.

2 stops9h 21m

Key West

Sat 31/10

2:30 p.m.-10:06 a.m.

2 stops19h 36m

C$ 1,063

LondonMiami

YXU - MIA

YXUMIA

London

Thu 11/6

5:10 a.m.-2:50 a.m.

2 stops21h 40m

Miami

Wed 17/6

1:45 p.m.-9:17 a.m.

3 stops19h 32m

C$ 1,603

LondonMiami

YXU - MIA

YXUMIA

London

Thu 11/6

5:55 p.m.-3:45 a.m.

3 stops33h 50m

Miami

Wed 17/6

1:45 p.m.-9:17 a.m.

3 stops19h 32m

C$ 1,850

LondonMiami

YXU - MIA

YXUMIA

London

Sun 9/8

6:20 p.m.-12:10 p.m.

2 stops17h 50m

Miami

Sun 13/9

5:12 p.m.-5:20 a.m.

3 stops36h 08m

C$ 1,861

LondonMiami

YXU - MIA

YXUMIA

London

Sat 30/5

5:55 p.m.-10:53 a.m.

2 stops16h 58m

Miami

Sat 27/6

2:39 p.m.-1:50 p.m.

2 stops23h 11m

C$ 2,234

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 May is, on average, the cheapest month to fly to Florida Keys from London, Ontario, with most prices found around C$ 0. If you are unable to visit Florida Keys during the month of May, then departing from London, Ontario during the month July is also very affordable. Most momondo users find prices during this month for around C$ 373.

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 20m
Direct flights	None

The fastest flight from London, Ontario to Florida Keys takes 9h 20m

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

Frequently asked questions about flying from London, Ontario 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 May 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 42.35% of all bookings. The subsequent popular models are Embraer 195 E2 at 21.61%, Boeing 737 MAX 8 at 20.87%, and Boeing 737-800 (Scimitar Winglets) at 5.33%.

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.