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Cheap flights from London, Ontario to Florida Keys from C$ 312

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Florida Keys departing on 29/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:10 a.m. - 5:29 p.m.YXU-MIA
12h 19m2 stops
Air Canada Logo
9:05 p.m. - 8:46 a.m.MIA-YXU
11h 41m1 stop
C$ 620Air Canada
Find Deal
Sun, 22 Feb - Wed, 25 Feb
Air Canada Logo
5:10 a.m. - 5:29 p.m.YXU-MIA
12h 19m2 stops
Air Canada Logo
7:25 a.m. - 9:21 p.m.MIA-YXU
13h 56m1 stop
C$ 621Air Canada
Find Deal
Sun, 22 Feb - Wed, 25 Feb
Air Canada Logo
9:25 a.m. - 10:29 p.m.YXU-MIA
13h 04m2 stops
Air Canada Logo
8:00 a.m. - 9:21 p.m.MIA-YXU
13h 21m2 stops
C$ 634Air Canada
Find Deal
Sun, 22 Feb - Wed, 25 Feb
Air Canada Logo
9:25 a.m. - 10:29 p.m.YXU-MIA
13h 04m2 stops
Air Canada Logo
8:00 a.m. - 9:21 p.m.MIA-YXU
13h 21m2 stops
C$ 635Air Canada
Find Deal
Sun, 22 Feb - Wed, 25 Feb
United Airlines Logo
5:10 a.m. - 5:15 p.m.YXU-MIA
12h 05m2 stops
United Airlines Logo
6:00 a.m. - 5:05 p.m.MIA-YXU
11h 05m2 stops
C$ 713United Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
United Airlines Logo
5:10 a.m. - 9:59 p.m.YXU-MIA
16h 49m2 stops
United Airlines Logo
9:00 a.m. - 9:21 p.m.MIA-YXU
12h 21m2 stops
C$ 949United Airlines
Find Deal
Sat, 14 Feb - Sun, 22 Feb
Multiple Airlines Logo
8:10 p.m. - 8:51 p.m.YXU-MIA
24h 41m2 stops
Multiple Airlines Logo
6:02 a.m. - 6:34 a.m.MIA-YXU
24h 32m3 stops
C$ 1,108Multiple Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
Multiple Airlines Logo
8:10 p.m. - 3:40 p.m.YXU-MIA
43h 30m3 stops
Multiple Airlines Logo
6:02 a.m. - 6:34 a.m.MIA-YXU
24h 32m3 stops
C$ 1,251Multiple Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
WestJet Logo
8:10 p.m. - 10:40 a.m.YXU-MIA
14h 30m2 stops
WestJet Logo
2:55 p.m. - 6:34 a.m.MIA-YXU
15h 39m2 stops
C$ 1,808WestJet
Find Deal
Thu, 22 Jan - Mon, 26 Jan
WestJet Logo
8:10 p.m. - 5:34 p.m.YXU-MIA
21h 24m2 stops
WestJet Logo
6:30 p.m. - 7:12 p.m.MIA-YXU
24h 42m2 stops
C$ 2,360WestJet
Find Deal
Wed, 10 Dec - Mon, 15 Dec

Air Canada flights from London, Ontario to Florida Keys

Our best Air Canada deals on London, Ontario to Florida Keys flight tickets
Air Canada
22 Feb
YXU5:10 a.m.London
12h 19m
2 stops
MIA5:29 p.m.Miami
25 Feb
MIA9:05 p.m.Miami
11h 41m
1 stop
YXU8:46 a.m.London
C$ 620
Find similar
Air Canada
22 Feb
YXU5:10 a.m.London
12h 19m
2 stops
MIA5:29 p.m.Miami
25 Feb
MIA7:25 a.m.Miami
13h 56m
1 stop
YXU9:21 p.m.London
C$ 621
Find similar
Air Canada
22 Feb
YXU9:25 a.m.London
13h 04m
2 stops
MIA10:29 p.m.Miami
25 Feb
MIA8:00 a.m.Miami
13h 21m
2 stops
YXU9:21 p.m.London
C$ 634
Find similar

United Airlines flights from London, Ontario to Florida Keys

Our best United Airlines deals on London, Ontario to Florida Keys flight tickets
United Airlines
14 Jan
YXU5:10 a.m.London
12h 05m
2 stops
MIA5:15 p.m.Miami
18 Jan
MIA6:00 a.m.Miami
11h 05m
2 stops
YXU5:05 p.m.London
C$ 713
Find similar
United Airlines
10 Nov
YXU5:40 p.m.London
17h 34m
2 stops
MIA11:14 a.m.Miami
17 Nov
MIA7:00 a.m.Miami
14h 21m
2 stops
YXU9:21 p.m.London
C$ 728
Find similar
United Airlines
14 Feb
YXU5:10 a.m.London
16h 49m
2 stops
MIA9:59 p.m.Miami
22 Feb
MIA9:00 a.m.Miami
12h 21m
2 stops
YXU9:21 p.m.London
C$ 949
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 6 November 2025.
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

Sun 22/2

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

2 stops12h 19m

Miami

Wed 25/2

9:05 p.m.-8:46 a.m.

1 stop11h 41m

C$ 620

LondonMiami

YXU - MIA

YXUMIA

London

Sun 22/2

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

2 stops12h 19m

Miami

Wed 25/2

7:25 a.m.-9:21 p.m.

1 stop13h 56m

C$ 621

LondonMiami

YXU - MIA

YXUMIA

London

Sun 22/2

9:25 a.m.-10:29 p.m.

2 stops13h 04m

Miami

Wed 25/2

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

2 stops13h 21m

C$ 634

LondonMiami

YXU - MIA

YXUMIA

London

Sun 22/2

9:25 a.m.-10:29 p.m.

2 stops13h 04m

Miami

Wed 25/2

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

2 stops13h 21m

C$ 635

LondonMiami

YXU - MIA

YXUMIA

London

Wed 14/1

5:10 a.m.-5:15 p.m.

2 stops12h 05m

Miami

Sun 18/1

6:00 a.m.-5:05 p.m.

2 stops11h 05m

C$ 713

LondonMiami

YXU - MIA

YXUMIA

London

Sat 14/2

5:10 a.m.-9:59 p.m.

2 stops16h 49m

Miami

Sun 22/2

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

2 stops12h 21m

C$ 949

LondonMiami

YXU - MIA

YXUMIA

London

Wed 14/1

8:10 p.m.-8:51 p.m.

2 stops24h 41m

Miami

Sun 18/1

6:02 a.m.-6:34 a.m.

3 stops24h 32m

C$ 1,108

LondonMiami

YXU - MIA

YXUMIA

London

Wed 14/1

8:10 p.m.-3:40 p.m.

3 stops43h 30m

Miami

Sun 18/1

6:02 a.m.-6:34 a.m.

3 stops24h 32m

C$ 1,251

LondonMiami

YXU - MIA

YXUMIA

London

Thu 22/1

8:10 p.m.-10:40 a.m.

2 stops14h 30m

Miami

Mon 26/1

2:55 p.m.-6:34 a.m.

2 stops15h 39m

C$ 1,808

LondonMiami

YXU - MIA

YXUMIA

London

Wed 10/12

8:10 p.m.-5:34 p.m.

2 stops21h 24m

Miami

Mon 15/12

6:30 p.m.-7:12 p.m.

2 stops24h 42m

C$ 2,360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

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

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$ 440. If you are unable to visit Florida Keys during the month of July, then departing from London, Ontario during the month June is also very affordable. Most momondo users find prices during this month for around C$ 573.

What is the cheapest day to depart on your flight to Florida Keys?

According to our data, Wednesday is the cheapest day to fly to Florida Keys from London, Ontario. The lowest ticket price found for a Wednesday departure recently was C$ 616. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 774. These prices are subject to change though, so be sure to set up a Price Alert for flights to Florida Keys.

What is the cheapest time of day to depart on your flight to Florida Keys?

Our data shows that the cheapest London, Ontario to Florida Keys flights are usually those with departure times in the afternoon. Our users have found flights to Florida Keys in the afternoon for as low as C$ 614. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 697 on average. Flights to Florida Keys from London, Ontario in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights

None
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?

  • 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?

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.

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