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Cheap flights from Louisville to London, ON from C$ 1,180

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — YXU
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisville to London

Enter your travel dates to find the best prices.

Best flights from Louisville to London
Discover carefully curated flight deals from Louisville to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Fri 23/19:50 a.m.SDF - YXU
2 stops11h 30mUnited Airlines
Tue 27/19:50 a.m.YXU - SDF
2 stops10h 38mUnited Airlines
Deal found 9/12C$ 1,180

Find flight deals from Louisville to London

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to London (YXU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

C$ 1,180
United Airlines
  • United Airlines
  • 23/1-27/1
  • 4 total stops
  • 22h 08m total
  • Louisville to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 629,999 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Louisville to London that are best for you.

Fly from

Louisville

Fly to

London

Route

Depart

Return

Price

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Fri 23/1

9:50 a.m.-9:20 p.m.

2 stops11h 30m

London

Tue 27/1

9:50 a.m.-8:28 p.m.

2 stops10h 38m

C$ 1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Louisville to London

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

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

Currently, April is the cheapest month in which you can book a flight from Louisville to London, Ontario (average of C$ 266). Flying from Louisville to London, Ontario in September is currently the most expensive (average of C$ 450). 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 Louisville to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    United Airlines can get you from Louisville to London, Ontario in just under 11h 30m. Your travel time can differ by up to . Louisville and London, Ontario are separated by a distance of 663 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to London, Ontario?

    Currently, April is the cheapest month in which you can book a flight from Louisville to London, Ontario (average of C$ 266). Flying from Louisville to London, Ontario in September is currently the most expensive (average of C$ 450). 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

Travelling to a place near London?

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Louisville to London.

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

Need flexible booking options for your flight to London from Louisville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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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