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Cheap flights from London, ON to Florida Keys from C$ 268

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — EYW
20 Jan — 27 Jan1
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 21 December 2025.

Wed 31/129:25 a.m.YXU - MIA
1 stop5h 56mAir Canada
Thu 1/17:25 a.m.MIA - YXU
1 stop9h 40mAir Canada
Deal found 20/12C$ 749
Fri 26/125:10 a.m.YXU - MIA
2 stops17h 30mUnited Airlines
Thu 29/16:00 a.m.MIA - YXU
2 stops11h 05mUnited Airlines
Deal found 20/12C$ 839
Tue 23/125:10 a.m.YXU - MIA
2 stops17h 00mUnited Airlines
Sun 28/127:15 a.m.MIA - YXU
2 stops14h 06mUnited Airlines
Deal found 20/12C$ 850
Wed 31/125:10 a.m.YXU - MIA
2 stops17h 11mUnited Airlines
Thu 1/18:45 a.m.MIA - YXU
2 stops12h 36mUnited Airlines
Deal found 20/12C$ 909
Sun 28/125:10 a.m.YXU - MIA
2 stops17h 30mUnited Airlines
Thu 1/18:45 a.m.MIA - YXU
2 stops12h 36mUnited Airlines
Deal found 20/12C$ 962
Tue 23/125:10 a.m.YXU - MIA
2 stops9h 21mAir Canada
Sun 28/127:25 a.m.MIA - YXU
1 stop9h 40mAir Canada
Deal found 20/12C$ 1,191
Fri 26/125:40 p.m.YXU - MIA
1 stop6h 36mAir Canada
Thu 29/112:35 p.m.MIA - YXU
2 stops8h 46mAir Canada
Deal found 20/12C$ 1,276
Sat 27/129:25 a.m.YXU - MIA
2 stops15h 43mUnited Airlines
Thu 1/18:45 a.m.MIA - YXU
2 stops12h 36mUnited Airlines
Deal found 20/12C$ 1,303
Sun 28/125:10 a.m.YXU - MIA
1 stop5h 30mAir Canada
Thu 1/19:00 a.m.MIA - YXU
2 stops12h 21mAir Canada
Deal found 20/12C$ 1,369

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 21 December 2025.

Round-trip from

C$ 585

One-way from

C$ 268

Popular in

December

Cheapest in

July

Average price

C$ 839
Air Canada
  • Air Canada
  • 19/1-22/1
  • 3 total stops
  • 19h 57m total
  • London to Florida Keys
Search Deals
1/2
  • 1/2
  • 2 total stops
  • 27h 04m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 21 December 2025.
Use the filters below to find and compare flights from London to Florida Keys that are best for you.

Fly from

London

Fly to

Florida Keys

Route

Depart

Return

Price

LondonMiami

YXU - MIA

YXUMIA

London

Fri 9/1

5:40 p.m.-12:16 a.m.

1 stop6h 36m

Miami

Tue 13/1

12:20 p.m.-9:21 p.m.

1 stop9h 01m

C$ 626

LondonMiami

YXU - MIA

YXUMIA

London

Mon 5/1

5:10 a.m.-11:25 a.m.

1 stop6h 15m

Miami

Thu 8/1

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

1 stop11h 41m

C$ 629

LondonMiami

YXU - MIA

YXUMIA

London

Mon 12/1

9:50 a.m.-3:21 p.m.

1 stop5h 31m

Miami

Thu 15/1

7:00 a.m.-5:05 p.m.

1 stop10h 05m

C$ 648

LondonMiami

YXU - MIA

YXUMIA

London

Tue 10/2

5:40 p.m.-12:16 a.m.

1 stop6h 36m

Miami

Sun 8/3

7:25 a.m.-5:05 p.m.

1 stop9h 40m

C$ 664

LondonMiami

YXU - MIA

YXUMIA

London

Wed 4/2

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

2 stops12h 05m

Miami

Wed 11/2

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

2 stops12h 21m

C$ 669

LondonMiami

YXU - MIA

YXUMIA

London

Tue 3/2

5:10 a.m.-2:38 p.m.

2 stops9h 28m

Miami

Tue 10/2

1:45 p.m.-9:21 p.m.

2 stops7h 36m

C$ 671

LondonMiami

YXU - MIA

YXUMIA

London

Mon 19/1

9:50 a.m.-10:15 p.m.

2 stops12h 25m

Miami

Thu 22/1

6:20 a.m.-5:05 p.m.

2 stops10h 45m

C$ 671

LondonKey West

YXU - EYW

YXUEYW

London

Mon 30/3

5:10 a.m.-3:57 p.m.

2 stops10h 47m

Key West

Wed 1/4

6:22 p.m.-9:18 p.m.

2 stops26h 56m

C$ 1,418

LondonMiami

YXU - MIA

YXUMIA

London

Sun 1/2

8:10 p.m.-11:14 p.m.

2 stops27h 04m

C$ 268

LondonMiami

YXU - MIA

YXUMIA

London

Sun 1/2

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

1 stop5h 30m

C$ 317

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

Showing 1-10 of 15 results
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 21 December 2025.
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
10,551 reviews
Check prices

Food

6.3

Crew

7.8

Overall

7.1

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,551 reviews
Air Canada
7.1
Good
10,551 reviews
Check prices

Food

6.3

Crew

7.8

Overall

7.1

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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 6h 36m. Your travel time can differ by up to 4h 11m. 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?

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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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