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 July 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$ 427 Cheap Flights from London, Ontario to Florida Keys in 2026

Find the cheapest flights from London, Ontario to Florida Keys

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YXU

MIA

5h 39m

1 stop

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

MIA

YXU

7h 27m

1 stop

C$ 798Air Canada

Sat, 31 Oct - Tue, 3 Nov

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

YXU

MIA

5h 39m

1 stop

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

MIA

YXU

7h 27m

1 stop

C$ 799Air Canada

Sat, 31 Oct - Tue, 3 Nov

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

YXU

MIA

13h 56m

2 stops

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

MIA

YXU

7h 27m

1 stop

C$ 802Air Canada

Sat, 31 Oct - Tue, 3 Nov

9:15 a.m. - 11:01 p.m.

YXU

MIA

13h 46m

2 stops

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

MIA

YXU

7h 27m

1 stop

C$ 803Air Canada

Sat, 31 Oct - Tue, 3 Nov

9:15 a.m. - 11:01 p.m.

YXU

MIA

13h 46m

2 stops

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

MIA

YXU

7h 27m

1 stop

C$ 805Air Canada

Sat, 31 Oct - Tue, 3 Nov

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

YXU

MIA

6h 33m

1 stop

9:45 p.m. - 9:20 a.m.

MIA

YXU

11h 35m

1 stop

C$ 813Air Canada

Mon, 17 Aug - Mon, 24 Aug

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

YXU

MIA

6h 33m

1 stop

8:15 a.m. - 5:42 p.m.

MIA

YXU

9h 27m

2 stops

C$ 815Air Canada

Wed, 12 Aug - Wed, 19 Aug

10:05 a.m. - 10:11 p.m.

YXU

MIA

12h 06m

2 stops

9:45 p.m. - 9:20 a.m.

MIA

YXU

11h 35m

1 stop

C$ 820Air Canada

Mon, 17 Aug - Mon, 24 Aug

5:30 a.m. - 1:59 p.m.

YXU

EYW

8h 29m

2 stops

2:55 p.m. - 9:52 p.m.

EYW

YXU

30h 57m

2 stops

C$ 1,184United Airlines

Sat, 31 Oct - Wed, 4 Nov

5:30 a.m. - 1:59 p.m.

YXU

EYW

8h 29m

2 stops

2:55 p.m. - 9:52 p.m.

EYW

YXU

30h 57m

2 stops

C$ 1,185United Airlines

Sat, 31 Oct - Wed, 4 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Avianca flights from London, Ontario to Florida Keys

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

Avianca

12 Aug

YXU6:20 p.m.London

19h 40m

3 stops

MIA2:00 p.m.Miami

19 Aug

MIA1:45 p.m.Miami

19h 35m

3 stops

YXU9:20 a.m.London

C$ 1,543

Avianca

3 Aug

YXU9:10 p.m.London

16h 50m

3 stops

MIA2:00 p.m.Miami

10 Aug

MIA3:50 p.m.Miami

17h 30m

2 stops

YXU9:20 a.m.London

C$ 1,556

Air Canada flights from London, Ontario to Florida Keys

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

Air Canada

31 Oct

YXU5:30 a.m.London

5h 39m

1 stop

MIA11:09 a.m.Miami

3 Nov

MIA7:20 a.m.Miami

7h 27m

1 stop

YXU2:47 p.m.London

C$ 798

Air Canada

31 Oct

YXU5:30 a.m.London

5h 39m

1 stop

MIA11:09 a.m.Miami

3 Nov

MIA7:20 a.m.Miami

7h 27m

1 stop

YXU2:47 p.m.London

C$ 799

Air Canada

31 Oct

YXU9:15 a.m.London

13h 56m

2 stops

MIA11:11 p.m.Miami

3 Nov

MIA7:20 a.m.Miami

7h 27m

1 stop

YXU2:47 p.m.London

C$ 802

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

Sat 31/10

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

1 stop5h 39m

Miami

Tue 3/11

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

1 stop7h 27m

C$ 798

LondonMiami

YXU - MIA

YXUMIA

London

Sat 31/10

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

1 stop5h 39m

Miami

Tue 3/11

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

1 stop7h 27m

C$ 799

LondonMiami

YXU - MIA

YXUMIA

London

Sat 31/10

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

2 stops13h 56m

Miami

Tue 3/11

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

1 stop7h 27m

C$ 802

LondonMiami

YXU - MIA

YXUMIA

London

Sat 31/10

9:15 a.m.-11:01 p.m.

2 stops13h 46m

Miami

Tue 3/11

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

1 stop7h 27m

C$ 803

LondonMiami

YXU - MIA

YXUMIA

London

Sat 31/10

9:15 a.m.-11:01 p.m.

2 stops13h 46m

Miami

Tue 3/11

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

1 stop7h 27m

C$ 805

LondonMiami

YXU - MIA

YXUMIA

London

Mon 17/8

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

1 stop6h 33m

Miami

Mon 24/8

9:45 p.m.-9:20 a.m.

1 stop11h 35m

C$ 813

LondonMiami

YXU - MIA

YXUMIA

London

Wed 12/8

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

1 stop6h 33m

Miami

Wed 19/8

8:15 a.m.-5:42 p.m.

2 stops9h 27m

C$ 815

LondonMiami

YXU - MIA

YXUMIA

London

Mon 17/8

10:05 a.m.-10:11 p.m.

2 stops12h 06m

Miami

Mon 24/8

9:45 p.m.-9:20 a.m.

1 stop11h 35m

C$ 820

LondonKey West

YXU - EYW

YXUEYW

London

Sat 31/10

5:30 a.m.-1:59 p.m.

2 stops8h 29m

Key West

Wed 4/11

2:55 p.m.-9:52 p.m.

2 stops30h 57m

C$ 1,184

LondonKey West

YXU - EYW

YXUEYW

London

Sat 31/10

5:30 a.m.-1:59 p.m.

2 stops8h 29m

Key West

Wed 4/11

2:55 p.m.-9:52 p.m.

2 stops30h 57m

C$ 1,185

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 August 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 August, then departing from London, Ontario during the month May is also very affordable. Most momondo users find prices during this month for around C$ 0.

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	5h 18m
Direct flights	None

The fastest flight from London, Ontario to Florida Keys takes 5h 18m

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 July 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 41.54% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 26.72%, Embraer 195 E2 at 18.10%, and Boeing 737-800 (Scimitar Winglets) at 3.53%.

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.