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Cheap flights from Louisville to London, ON from C$ 844

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.
SDF — YXU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 844
United Airlines
  • United Airlines
  • 25/10-1/11
  • 4 total stops
  • 30h 12m total
  • Louisville to London
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Find flight deals from Louisville to London

Cheapest flights from Louisville to London
Explore the most affordable flight options available from Louisville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 25/108:00 a.m.SDF - YXU
2 stops13h 27mUnited Airlines
Sat 1/115:45 a.m.YXU - SDF
2 stops16h 45mUnited Airlines
Deal found 9/9C$ 844
Sat 4/105:48 p.m.SDF - YXU
2 stops21h 14mUnited Airlines
Fri 10/106:15 a.m.YXU - SDF
2 stops16h 15mUnited Airlines
Deal found 10/9C$ 1,153
Sun 5/107:20 p.m.SDF - YXU
2 stops26h 07mUnited Airlines
Fri 10/106:15 a.m.YXU - SDF
2 stops16h 15mUnited Airlines
Deal found 10/9C$ 1,175
Sat 4/108:23 a.m.SDF - YXU
3 stops20h 49mMultiple Airlines
Fri 10/106:00 a.m.YXU - SDF
3 stops29h 56mMultiple Airlines
Deal found 10/9C$ 1,415
Sun 5/108:10 p.m.SDF - YXU
3 stops33h 02mMultiple Airlines
Fri 10/106:00 a.m.YXU - SDF
3 stops29h 56mMultiple Airlines
Deal found 10/9C$ 1,472

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 11 September 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

Sat 25/10

8:00 a.m.-9:27 p.m.

2 stops13h 27m

London

Sat 1/11

5:45 a.m.-10:30 p.m.

2 stops16h 45m

C$ 844

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sat 4/10

5:48 p.m.-3:02 p.m.

2 stops21h 14m

London

Fri 10/10

6:15 a.m.-10:30 p.m.

2 stops16h 15m

C$ 1,153

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sun 5/10

7:20 p.m.-9:27 p.m.

2 stops26h 07m

London

Fri 10/10

6:15 a.m.-10:30 p.m.

2 stops16h 15m

C$ 1,175

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sat 4/10

8:23 a.m.-5:12 a.m.

3 stops20h 49m

London

Fri 10/10

6:00 a.m.-11:56 a.m.

3 stops29h 56m

C$ 1,415

LouisvilleLondon

SDF - YXU

SDFYXU

Louisville Intl

Sun 5/10

8:10 p.m.-5:12 a.m.

3 stops33h 02m

London

Fri 10/10

6:00 a.m.-11:56 a.m.

3 stops29h 56m

C$ 1,472

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, October is the cheapest month in which you can book a flight from Louisville to London, Ontario (average of C$ 243). Flying from Louisville to London, Ontario in December is currently the most expensive (average of C$ 478). 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 13h 27m. 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, October is the cheapest month in which you can book a flight from Louisville to London, Ontario (average of C$ 243). Flying from Louisville to London, Ontario in December is currently the most expensive (average of C$ 478). 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
Grand Bend
Port Stanley

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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.

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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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