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Cheap flights from London, ON to Florida Keys from C$ 341

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — EYW
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from London to Florida Keys
Explore the most affordable flight options available from London to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 May 2026.

Sat 17/103:30 p.m.
YXU
-
MIA
1 stop5h 19m
Air Canada
Thu 22/108:15 a.m.
MIA
-
YXU
2 stops9h 30m
Air Canada
Deal found 20/5C$ 641
Mon 8/65:10 a.m.
YXU
-
MIA
1 stop6h 28m
Air Canada
Mon 15/67:15 a.m.
MIA
-
YXU
2 stops10h 18m
Air Canada
Deal found 21/5C$ 773
Tue 16/63:30 p.m.
YXU
-
MIA
1 stop5h 18m
Air Canada
Fri 19/69:45 p.m.
MIA
-
YXU
1 stop11h 32m
Air Canada
Deal found 24/5C$ 780
Sun 31/55:10 a.m.
YXU
-
MIA
1 stop7h 03m
Air Canada
Wed 3/61:10 p.m.
MIA
-
YXU
1 stop8h 28m
Air Canada
Deal found 22/5C$ 877
Tue 20/106:20 p.m.
YXU
-
EYW
2 stops19h 14m
United Airlines
Fri 23/102:20 p.m.
EYW
-
YXU
2 stops19h 00m
United Airlines
Deal found 24/5C$ 1,498

Find flight deals from London to Florida Keys

Keep the following information in mind while searching for London to Florida Keys flight deals. Data was last updated 26 May 2026.

Round-trip from

C$ 773

One-way from

C$ 341

Popular in

December

Cheapest in

August
Air Canada
  • Air Canada
  • 8/6-15/6
  • 3 total stops
  • 16h 46m total
  • London to Florida Keys
Search Deals
Air Canada
  • Air Canada
  • 5/7
  • 1 total stop
  • 7h 03m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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, Cheapflights users made 629,999 searches. Data last updated 26 May 2026.
Use the filters below to find and compare flights from London 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 17/10

3:30 p.m.-8:49 p.m.

1 stop5h 19m

Miami

Thu 22/10

8:15 a.m.-5:45 p.m.

2 stops9h 30m

C$ 641

LondonMiami

YXU - MIA

YXUMIA

London

Mon 8/6

5:10 a.m.-11:38 a.m.

1 stop6h 28m

Miami

Mon 15/6

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

2 stops10h 18m

C$ 773

LondonMiami

YXU - MIA

YXUMIA

London

Tue 16/6

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

1 stop5h 18m

Miami

Fri 19/6

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

1 stop11h 32m

C$ 780

LondonMiami

YXU - MIA

YXUMIA

London

Thu 9/7

5:10 a.m.-2:57 p.m.

2 stops9h 47m

Miami

Thu 16/7

5:32 p.m.-9:20 a.m.

2 stops15h 48m

C$ 892

LondonMiami

YXU - MIA

YXUMIA

London

Tue 7/7

5:10 a.m.-2:57 p.m.

2 stops9h 47m

Miami

Tue 14/7

5:32 p.m.-9:20 a.m.

2 stops15h 48m

C$ 893

LondonKey West

YXU - EYW

YXUEYW

London

Tue 20/10

6:20 p.m.-1:34 p.m.

2 stops19h 14m

Key West

Fri 23/10

2:20 p.m.-9:20 a.m.

2 stops19h 00m

C$ 1,498
Cheapest one-way

LondonMiami

YXU - MIA

YXUMIA

London

Sun 5/7

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

1 stop7h 03m

C$ 341

LondonMiami

YXU - MIA

YXUMIA

London

Tue 23/6

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

1 stop7h 03m

C$ 398
Quickest one-way

LondonMiami

YXU - MIA

YXUMIA

London

Thu 17/9

5:40 a.m.-12:14 p.m.

1 stop6h 34m

C$ 403

LondonMiami

YXU - MIA

YXUMIA

London

Sat 12/9

5:40 a.m.-6:52 p.m.

3 stops13h 12m

C$ 442

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Florida Keys
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated 26 May 2026.
Read reviews from past customers who have flown Air Canada from London to Florida Keys. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,090 reviews
Check prices

Food

6.3

Boarding

7.3

Entertainment

6.8

Crew

7.8

Overall

7.1

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,090 reviews
Air Canada
7.1
Good
11,090 reviews
Check prices

Food

6.3

Boarding

7.3

Entertainment

6.8

Crew

7.8

Overall

7.1

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

Related info for your journey

Find useful and relevant information for your journey from London to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to Florida Keys?

    London (YXU), located 8.6 km from the city centre, is the airport you fly out of when you book flights from London to Florida Keys.

  • How long is the flight from London, Ontario to Florida Keys?

    Air Canada and United Airlines can get you from London, Ontario to Florida Keys in just under 5h 19m. Your travel time can differ by up to 13h 55m. The distance between London, Ontario and Florida Keys is about 1917 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from London to Florida Keys that include hotel bookings?

    Yes. In addition to deals on London to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Florida Keys.

  • Can I find deals for business class flights from London to Florida Keys?

    Yes. Cheapflights offers flight deals from London to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights from London to Florida Keys?

Cheapflights makes it easy to find London to Florida Keys flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Florida Keys?

Cheapflights simply makes it quick and affordable to book flights from London to Florida Keys by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Florida Keys with no change fees?

Yes! Cheapflights helps users easily find flights from London to Florida Keys with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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