Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Change your flight without a fee on select flights

Feel at ease with free flight cancellations within 24 hours of booking

Flights Fare Calendar Find minimum fare between Louisville Intl. and Heathrow Click this button to get previous days data Click this button to get next days data $2,595 $2,224 $1,854 $1,483 $1,112 $741 $371 $0 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W Price is $2,558 on Air Canada Price is $2,595 on Air Canada Price is $1,843 on Aer Lingus Price is $1,243 on Lufthansa Price is $1,294 on Lufthansa Price is $1,294 on Lufthansa Price is $1,191 on Lufthansa Price is $1,039 on Lufthansa Price is $1,287 on Lufthansa Price is $1,041 on Lufthansa Price is $1,678 on Air Canada

Amazing SDF to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $686 round trip and $535 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about flights from Louisville Intl. Airport (SDF) to Heathrow Airport (LHR)

Are there direct flights from Louisville, KY (SDF-Louisville Intl.) to London Heathrow?

Unfortunately, there aren't any nonstop flights from Louisville, KY (SDF-Louisville Intl.) to London (LHR-Heathrow). But there are airlines that have flights with only one stopover. Check out the fares on offer from American Airlines, Delta or United Airlines.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to London (LHR-Heathrow), please visit our Customer Service Portal.

How long is the flight from Louisville, KY (SDF-Louisville Intl.) to London Heathrow?

Taking about 9 hours and 20 minutes all up, getting from Louisville, KY (SDF-Louisville Intl.) to London (LHR-Heathrow) is no piece of cake. On such a long journey, it's a good idea to go for a wander to stretch your legs regularly.

What is the flight distance from Louisville, KY (SDF-Louisville Intl.) to London Heathrow?

From Louisville, KY (SDF-Louisville Intl.) to London (LHR-Heathrow), there's a flight distance of 4,225 mi. So, it'll be smart to have a good variety of entertainment options. Movies, magazines, puzzles ... whatever you enjoy. If you come prepared, it won't feel like too long before you hear the call to prepare for landing.

What airlines fly from Louisville, KY (SDF-Louisville Intl.) to London Heathrow?

You'll need to make at least one stopover if you want to fly from Louisville, KY (SDF-Louisville Intl.) to London (LHR-Heathrow), as no airlines operate direct flights on this route. Use layover time to your advantage by freshening up, stretching your legs and exploring what the stores have on offer.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Louisville Intl. to Heathrow Flight FAQ

Traveling FromLouisville Intl.
Traveling ToHeathrow
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$686

Route Info

Flight path for flights from Louisville International Airport to London Heathrow Airport.


Distance:
4,547.00 miles


Popular Flight Routes from Louisville (SDF)

Travelers at SDF love to visit these top cities. Roam to the top destinations from Louisville (SDF) today with the cheap prices from Travelocity!

Popular Flight Routes from London (LHR)

Travelers at LHR love to visit these top cities. Roam to the top destinations from London(LHR) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.