€362 Cheap Flights Louisville to London (SDF-LHR)

View €362 flight on Tue, 2 Sep 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Heathrow Airport (LHR)

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Cheap flights from Louisville to London (SDF-LHR)

Prices were available within the past 7 days and start at €362 for one-way flights and €654 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€654 Return, found 2 days ago
€654
Return
found 2 days ago
Select Iberia flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €654 found 2 days ago
American Airlines
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€654 Return, found 2 days ago
€654
Return
found 2 days ago
Select American Airlines flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €654 found 2 days ago
American Airlines
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€655 Return, found 2 days ago
€655
Return
found 2 days ago
Select American Airlines flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €655 found 2 days ago
American Airlines
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€658 Return, found 2 days ago
€658
Return
found 2 days ago
Select American Airlines flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €658 found 2 days ago
Air France
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€693 Return, found 2 days ago
€693
Return
found 2 days ago
Select Air France flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €693 found 2 days ago
Iberia
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€698 Return, found 2 days ago
€698
Return
found 2 days ago
Select Iberia flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €698 found 2 days ago
Air France
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€699 Return, found 2 days ago
€699
Return
found 2 days ago
Select Air France flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €699 found 2 days ago
American Airlines
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€701 Return, found 2 days ago
€701
Return
found 2 days ago
Select American Airlines flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €701 found 2 days ago
KLM
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€705 Return, found 2 days ago
€705
Return
found 2 days ago
Select KLM flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €705 found 2 days ago
United
Sat, 11 Apr - Mon, 20 Apr
SDF
Louisville
LHR
London
€714 Return, found 2 days ago
€714
Return
found 2 days ago
Select United flight, departing Sat, 11 Apr from Louisville to London, returning Mon, 20 Apr, priced at €714 found 2 days ago

Find the cheapest month to fly from Louisville (SDF) to London (LHR)

November is typically the cheapest month to fly

From €531 - €1,400 per traveller.

Graph displaying average flight prices per month

Perfect flights from Louisville to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Louisville to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Louisville Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €362 and roundtrip prices from €654. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from Louisville Muhammad Ali Intl. Airport to London Heathrow?
The lowest price advertised for a round-trip flight from Louisville Intl. Airport (SDF) to Heathrow Airport is €654. But you better act soon. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Louisville Intl. Airport (SDF) to Heathrow Airport?
Most flights can be cancelled online, but each airline has its own terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Louisville Muhammad Ali Intl. Airport to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SDF to Heathrow Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Louisville Intl. Airport (SDF) to Heathrow Airport?
Louisville to Hounslow is around 6,500 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your earplugs to your eye mask. Take a few snacks to munch on throughout your trip too.
Which airlines fly direct from SDF to Heathrow Airport (LHR)?
There are no direct flights, so you'll have to make at least one stop between Louisville Muhammad Ali Intl. Airport and LHR. Use the layover time to stretch your legs and take a break.
Are Louisville Muhammad Ali Intl. Airport to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Flight prices from SDF to Heathrow Airport are available up to 12 months before departure on Expedia. And although you may occasionally nab fantastic last-minute deals, it's never a sure thing. Also, booking your flights well in advance means you'll have more options --- and you can avoid being wedged in the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

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