The lowest price advertised for a round-trip flight from Louisville Intl. Airport (SDF) to Heathrow Airport is €791. 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.

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.

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.

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.

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.

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.