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$403+ Cheap flights from Kentucky to London, ON (YXU)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YXU
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
1 adult, Economy
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Cheap flight deals from Kentucky to London

Cheapest flights from Kentucky to London
Explore the most affordable flight options available from Kentucky to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 31, 2026.

This Air Canada deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:55 pm
SDF
-
YXU
2 stops7h 43m
Air Canada
Sat 6/209:30 am
YXU
-
SDF
2 stops10h 44m
Air Canada
Deal found 1/29$796
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:15 am
SDF
-
YXU
2 stops10h 50m
United Airlines
Fri 2/209:25 am
YXU
-
SDF
2 stops10h 30m
United Airlines
Deal found 1/28$920

Find flight deals from Kentucky to London

Keep the following information in mind while searching for Kentucky to London flight deals. Data was last updated January 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$796
(Air Canada)

One-way from

$403
(Kiwi.com)
Provider with most accurate pricing for Louisville Intl-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-London flights.
Search Deals
From Kentucky to London
Search Deals
One-way flight from Kentucky to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to London 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 2,558,603 searches. Data last updated January 31, 2026.
Use the filters below to find and compare flights from Kentucky to London that are best for you.

Fly from

Kentucky

Fly to

London

Route

Depart

Return

Price

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sat 6/6

1:55 pm-9:38 pm

2 stops7h 43m

London

Sat 6/20

9:30 am-8:14 pm

2 stops10h 44m

$796

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Wed 2/18

6:15 am-5:05 pm

2 stops10h 50m

London

Fri 2/20

9:25 am-7:55 pm

2 stops10h 30m

$920

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Thu 5/21

3:33 pm-5:25 am

3 stops37h 52m

$403

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Thu 5/21

5:35 am-5:33 pm

2 stops11h 58m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Best time to book a flight from Kentucky to London

Have a flexible travel schedule? Discover the best time to fly to London from Kentucky 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 Kentucky to London

What is the cheapest month to book a flight from Kentucky to London, Ontario?

Currently, April is the cheapest month in which you can book a flight from Kentucky to London, Ontario (average of $193). Flying from Kentucky to London, Ontario in November is currently the most expensive (average of $844). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to London. 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 into for flights to London from Kentucky?

    London (YXU) is the airport you will fly into if you book a flight from Kentucky to London. It is only a 5.3 mi journey from London (YXU) to London’s city center.

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

    There are many flights that can get you from Kentucky to London, Ontario in 7h 43m. Fly via Air Canada or United Airlines to get the fastest option. Kentucky and London, Ontario are separated by a distance of 412 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Kentucky to London?

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

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

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

  • What is the cheapest month to book a flight from Kentucky to London, Ontario?

    Currently, April is the cheapest month in which you can book a flight from Kentucky to London, Ontario (average of $193). Flying from Kentucky to London, Ontario in November is currently the most expensive (average of $844). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend

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