How long is the flight from London, Ontario to Key West?

A quick flight from London, Ontario to Key West can take about 19h 59m. United Airlines provides one of the quickest options available for as low as C$ 1,174. London, Ontario and Key West are separated by a distance of 2054 km.

In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 mm per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

What is the cheapest time of day to fly from YXU to EYW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Key West as you normally would.

Can I find deals for flights from London to Key West that include hotel bookings?

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

How can I find direct flights from London to Key West?

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

Can I find deals for business class flights from London to Key West?

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

C$ 602+ Cheap Flights from London, ON to Key West

Cheap flight deals from London to Key West

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Key West
Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Sat 31/108:30 p.m. -

2 stops19h 59m

Tue 3/114:10 p.m. -

2 stops16h 27m

Deal found 9/9C$ 1,174

Wed 7/108:20 p.m. -

2 stops17h 09m

Wed 14/102:15 p.m. -

2 stops18h 10m

Deal found 7/9C$ 1,418

Thu 22/108:20 p.m. -

2 stops17h 09m

Thu 29/102:50 p.m. -

2 stops29h 02m

Deal found 7/9C$ 1,460

Mon 9/115:30 a.m. -

2 stops9h 59m

Sun 15/112:50 p.m. -

3 stops23h 57m

Deal found 6/9C$ 2,357

Find flight deals from London to Key West

Round-trip from	C$ 1,174
One-way from	C$ 602

United Airlines
31/10-3/11
4 total stops
36h 26m total
London to Key West

Search Deals

United Airlines
25/10-31/12
2 total stops
28h 39m total
London to Key West

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonKey West

YXU London - EYW Key West

YXUEYW

London

Sun 25/10

9:15 a.m.-1:54 p.m.

2 stops28h 39m

Key West

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 602

LondonKey West

YXU London - EYW Key West

YXUEYW

London

Sat 31/10

8:30 p.m.-4:29 p.m.

2 stops19h 59m

Key West

Tue 3/11

4:10 p.m.-8:37 a.m.

2 stops16h 27m

C$ 1,174

LondonKey West

YXU London - EYW Key West

YXUEYW

London

Thu 22/10

8:20 p.m.-1:29 p.m.

2 stops17h 09m

Key West

Thu 29/10

2:50 p.m.-7:52 p.m.

2 stops29h 02m

C$ 1,460

LondonKey West

YXU London - EYW Key West

YXUEYW

London

Mon 9/11

5:30 a.m.-3:29 p.m.

2 stops9h 59m

Key West

Sun 15/11

4:10 p.m.-9:52 p.m.

2 stops29h 42m

C$ 2,404

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Sorted by cheapest first

Best time to book a flight from London to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from London with our price prediction graph.

YXU-EYW

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.

Related info for your journey

How long is the flight from London, Ontario to Key West?
A quick flight from London, Ontario to Key West can take about 19h 59m. United Airlines provides one of the quickest options available for as low as C$ 1,174. London, Ontario and Key West are separated by a distance of 2054 km.
Can I find deals for flights from London to Key West that include hotel bookings?
Yes. In addition to deals on London to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Key West.
Can I find deals for business class flights from London to Key West?
Yes. Cheapflights offers flight deals from London to Key West 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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Cheap flights from London, ON to Key West from C$ 602

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Key West

Cheapest flights from London to Key WestExplore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from London to Key WestDiscover carefully curated flight deals from London to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from London to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from London to Key WestDiscover last-minute flight deals from London to Key West. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Key West. Data last updated 11 September 2026 and is based on user searches.

One-way flights from London to Key WestSearch for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

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Best time to book a flight from London to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from London with our price prediction graph.

Related info for your journey

How long is the flight from London, Ontario to Key West?

Can I find deals for flights from London to Key West that include hotel bookings?

How can I find direct flights from London to Key West?

Can I find deals for business class flights from London to Key West?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Key West

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Complete your trip

Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.

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Search flights from London to Key West by cabin class

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London and Key West flights

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How does Cheapflights help users find flights from London to Key West?

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Can Cheapflights notify me if prices for flights from London to Key West become cheaper?

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Cheapest flights from London to Key West
Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from London to Key West
Discover carefully curated flight deals from London to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from London to Key West
Discover last-minute flight deals from London to Key West. Data last updated 11 September 2026 and is based on user searches.

One-way flights from London to Key West
Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.