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 August 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$ 351 Cheap Flights from London, Ontario to Florida Keys in 2026

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.

3:30 p.m. - 8:48 p.m.YXU London-MIA Miami

5h 18m1 stop Toronto Pearson Intl

7:55 a.m. - 5:43 p.m.MIA Miami-YXU London

9h 48m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 611Air Canada

Sat, 5 Sep - Wed, 9 Sep

5:40 a.m. - 10:17 p.m.YXU London-MIA Miami

16h 37m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

8:15 a.m. - 5:43 p.m.MIA Miami-YXU London

9h 28m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 614Air Canada

Sun, 27 Sep - Tue, 6 Oct

5:30 a.m. - 11:09 a.m.YXU London-MIA Miami

5h 39m1 stop Toronto Pearson Intl

7:20 a.m. - 2:47 p.m.MIA Miami-YXU London

7h 27m1 stop Toronto Pearson Intl

C$ 629Air Canada

Sun, 22 Nov - Thu, 26 Nov

5:30 a.m. - 11:09 a.m.YXU London-MIA Miami

5h 39m1 stop Toronto Pearson Intl

7:20 a.m. - 2:47 p.m.MIA Miami-YXU London

7h 27m1 stop Toronto Pearson Intl

C$ 630Air Canada

Sun, 22 Nov - Thu, 26 Nov

9:15 a.m. - 11:11 p.m.YXU London-MIA Miami

13h 56m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

7:20 a.m. - 2:47 p.m.MIA Miami-YXU London

7h 27m1 stop Toronto Pearson Intl

C$ 633Air Canada

Sun, 22 Nov - Thu, 26 Nov

5:40 a.m. - 12:13 p.m.YXU London-MIA Miami

6h 33m1 stop Toronto Pearson Intl

1:15 p.m. - 9:40 p.m.MIA Miami-YXU London

8h 25m1 stop Toronto Pearson Intl

C$ 633Air Canada

Sat, 5 Sep - Wed, 9 Sep

9:15 a.m. - 11:11 p.m.YXU London-MIA Miami

13h 56m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

7:20 a.m. - 2:47 p.m.MIA Miami-YXU London

7h 27m1 stop Toronto Pearson Intl

C$ 635Air Canada

Sun, 22 Nov - Thu, 26 Nov

5:30 a.m. - 11:09 a.m.YXU London-MIA Miami

5h 39m1 stop Toronto Pearson Intl

7:20 a.m. - 2:47 p.m.MIA Miami-YXU London

7h 27m1 stop Toronto Pearson Intl

C$ 635Air Canada

Wed, 4 Nov - Sun, 8 Nov

5:40 a.m. - 2:59 p.m.YXU London-MIA Miami

9h 19m2 stops Toronto Pearson Intl Chicago O'Hare Intl

6:00 a.m. - 2:50 p.m.MIA Miami-YXU London

8h 50m2 stops Newark Toronto Pearson Intl

C$ 696United Airlines

Tue, 6 Oct - Tue, 13 Oct

5:30 a.m. - 6:50 p.m.YXU London-MIA Miami

13h 20m2 stops Toronto Pearson Intl Chicago O'Hare Intl

6:24 a.m. - 9:52 p.m.MIA Miami-YXU London

15h 28m2 stops Houston George Bush Intcntl Toronto Pearson Intl

C$ 699United Airlines

Wed, 4 Nov - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:20 p.m. - 11:54 a.m.YXU London-MIA Miami

17h 34m2 stops Toronto Pearson Intl Chicago O'Hare Intl

5:01 p.m. - 2:50 p.m.MIA Miami-YXU London

21h 49m2 stops Houston George Bush Intcntl Toronto Pearson Intl

C$ 1,002United Airlines

Mon, 24 Aug - Sun, 30 Aug

5:40 a.m. - 10:11 p.m.YXU London-MIA Miami

16h 31m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

7:10 a.m. - 5:42 p.m.MIA Miami-YXU London

10h 32m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,005Air Canada

Mon, 24 Aug - Sun, 30 Aug

6:20 p.m. - 4:31 p.m.YXU London-MIA Miami

22h 11m2 stops Toronto Pearson Intl Newark

1:44 p.m. - 9:40 p.m.MIA Miami-YXU London

7h 56m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

C$ 1,030United Airlines

Mon, 24 Aug - Sun, 30 Aug

5:40 a.m. - 10:34 p.m.YXU London-MIA Miami

16h 54m2 stops Toronto Pearson Intl Houston George Bush Intcntl

3:57 p.m. - 5:45 p.m.MIA Miami-YXU London

49h 48m3 stops Chicago O'Hare Intl San Francisco Toronto Pearson Intl

C$ 1,063United Airlines

Fri, 28 Aug - Fri, 4 Sep

3:30 p.m. - 11:11 a.m.YXU London-MIA Miami

19h 41m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

5:01 p.m. - 5:45 p.m.MIA Miami-YXU London

24h 44m2 stops Houston George Bush Intcntl Toronto Pearson Intl

C$ 1,067United Airlines

Fri, 28 Aug - Fri, 4 Sep

6:20 p.m. - 4:31 p.m.YXU London-MIA Miami

22h 11m2 stops Toronto Pearson Intl Newark

5:01 p.m. - 2:50 p.m.MIA Miami-YXU London

21h 49m2 stops Houston George Bush Intcntl Toronto Pearson Intl

C$ 1,075United Airlines

Mon, 24 Aug - Sun, 30 Aug

6:20 p.m. - 11:54 a.m.YXU London-MIA Miami

17h 34m2 stops Toronto Pearson Intl Chicago O'Hare Intl

7:00 a.m. - 5:42 p.m.MIA Miami-YXU London

10h 42m2 stops Newark Toronto Pearson Intl

C$ 1,078Air Canada

Mon, 24 Aug - Fri, 28 Aug

6:20 p.m. - 2:54 p.m.YXU London-MIA Miami

20h 34m2 stops Toronto Pearson Intl Chicago O'Hare Intl

5:01 p.m. - 5:42 p.m.MIA Miami-YXU London

24h 41m3 stops Houston George Bush Intcntl Denver Intl Toronto Pearson Intl

C$ 1,102United Airlines

Mon, 24 Aug - Sun, 30 Aug

5:40 a.m. - 8:48 p.m.YXU London-MIA Miami

15h 08m1 stop Toronto Pearson Intl

7:10 a.m. - 5:42 p.m.MIA Miami-YXU London

10h 32m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,138Air Canada

Mon, 24 Aug - Sun, 30 Aug

6:20 p.m. - 10:11 p.m.YXU London-MIA Miami

27h 51m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

7:10 a.m. - 9:40 p.m.MIA Miami-YXU London

14h 30m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

C$ 1,174Air Canada

Mon, 24 Aug - Sun, 30 Aug

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Air Canada flights from London, Ontario to Florida Keys

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

Air Canada

5 Sep

YXU3:30 p.m.London

5h 18m

1 stop

MIA8:48 p.m.Miami

9 Sep

MIA7:55 a.m.Miami

9h 48m

2 stops

YXU5:43 p.m.London

C$ 548

Air Canada

5 Sep

YXU5:40 a.m.London

6h 33m

1 stop

MIA12:13 p.m.Miami

9 Sep

MIA1:15 p.m.Miami

8h 25m

1 stop

YXU9:40 p.m.London

C$ 568

Air Canada

5 Sep

YXU5:40 a.m.London

16h 31m

2 stops

MIA10:11 p.m.Miami

9 Sep

MIA7:55 a.m.Miami

9h 48m

2 stops

YXU5:43 p.m.London

C$ 593

United Airlines flights from London, Ontario to Florida Keys

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

United Airlines

4 Nov

YXU5:30 a.m.London

13h 20m

2 stops

MIA6:50 p.m.Miami

8 Nov

MIA6:24 a.m.Miami

15h 28m

2 stops

YXU9:52 p.m.London

C$ 699

United Airlines

3 Oct

YXU5:40 a.m.London

9h 19m

2 stops

MIA2:59 p.m.Miami

10 Oct

MIA1:26 p.m.Miami

8h 14m

2 stops

YXU9:40 p.m.London

C$ 706

United Airlines

5 Sep

YXU5:40 a.m.London

13h 12m

3 stops

MIA6:52 p.m.Miami

9 Sep

MIA7:00 a.m.Miami

10h 43m

2 stops

YXU5:43 p.m.London

C$ 707

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 London - MIA Miami

YXUMIA

London

Sat 5/9

3:30 p.m.-8:48 p.m.

1 stop5h 18m

Miami

Wed 9/9

7:55 a.m.-5:43 p.m.

2 stops9h 48m

C$ 611

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sun 27/9

5:40 a.m.-10:17 p.m.

2 stops16h 37m

Miami

Tue 6/10

8:15 a.m.-5:43 p.m.

2 stops9h 28m

C$ 614

Quickest round-trip

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sun 22/11

5:30 a.m.-11:09 a.m.

1 stop5h 39m

Miami

Thu 26/11

7:20 a.m.-2:47 p.m.

1 stop7h 27m

C$ 629

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sun 22/11

5:30 a.m.-11:09 a.m.

1 stop5h 39m

Miami

Thu 26/11

7:20 a.m.-2:47 p.m.

1 stop7h 27m

C$ 630

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sun 22/11

9:15 a.m.-11:11 p.m.

2 stops13h 56m

Miami

Thu 26/11

7:20 a.m.-2:47 p.m.

1 stop7h 27m

C$ 633

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sat 5/9

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

1 stop6h 33m

Miami

Wed 9/9

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

1 stop8h 25m

C$ 633

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sun 22/11

9:15 a.m.-11:11 p.m.

2 stops13h 56m

Miami

Thu 26/11

7:20 a.m.-2:47 p.m.

1 stop7h 27m

C$ 635

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Wed 4/11

5:30 a.m.-11:09 a.m.

1 stop5h 39m

Miami

Sun 8/11

7:20 a.m.-2:47 p.m.

1 stop7h 27m

C$ 635

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Tue 6/10

5:40 a.m.-2:59 p.m.

2 stops9h 19m

Miami

Tue 13/10

6:00 a.m.-2:50 p.m.

2 stops8h 50m

C$ 696

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Wed 4/11

5:30 a.m.-6:50 p.m.

2 stops13h 20m

Miami

Sun 8/11

6:24 a.m.-9:52 p.m.

2 stops15h 28m

C$ 699

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

Best price found	C$ 351
Fastest flight time	5h 39m
Direct flights	None

The best one-way flight to Florida Keys from London, Ontario in the past 72 hours is C$ 351. The best round-trip flight deal from London, Ontario to Florida Keys found on momondo in the last 72 hours is C$ 611.

The fastest flight from London, Ontario to Florida Keys takes 5h 39m

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 August 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 52.25% of all bookings. The subsequent popular models are Embraer 195 E2 at 27.04%, Boeing 737-700 Passenger/BBJ1 (winglets) at 4.79%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 4.22%.

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.