LHR - SDF

£336 Find Cheap Flights from London Heathrow Airport to Louisville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Louisville departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Louisville.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Louisville.
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Cheap Flights from Heathrow to Louisville (LHR-SDF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to Louisville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Louisville

Mon, 15 Sep - Mon, 22 Sep
United Airlines Logo
08:40 - 21:02LHR-SDF
17h 22m2 stops
United Airlines Logo
13:00 - 09:20SDF-LHR
15h 20m2 stops
£481United Airlines
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Mon, 15 Sep - Mon, 22 Sep
Lufthansa Logo
11:05 - 18:58LHR-SDF
12h 53m1 stop
Lufthansa Logo
14:20 - 06:55SDF-LHR
11h 35m1 stop
£484Lufthansa
Find Deal
Mon, 15 Sep - Mon, 22 Sep
United Airlines Logo
08:30 - 21:02LHR-SDF
17h 32m2 stops
United Airlines Logo
10:55 - 06:20SDF-LHR
14h 25m1 stop
£485United Airlines
Find Deal
Wed, 17 Sep - Fri, 3 Oct
United Airlines Logo
11:30 - 14:50LHR-SDF
32h 20m2 stops
United Airlines Logo
19:20 - 09:35SDF-LHR
33h 15m2 stops
£488United Airlines
Find Deal
Mon, 15 Sep - Mon, 22 Sep
British Airways Logo
09:15 - 18:39LHR-SDF
14h 24m1 stop
British Airways Logo
19:09 - 12:30SDF-LHR
12h 21m1 stop
£507British Airways
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Mon, 15 Sep - Mon, 22 Sep
United Airlines Logo
10:00 - 20:00LHR-SDF
15h 00m1 stop
United Airlines Logo
14:20 - 06:55SDF-LHR
11h 35m1 stop
£507United Airlines
Find Deal
Wed, 17 Sep - Fri, 3 Oct
British Airways Logo
09:15 - 18:39LHR-SDF
14h 24m1 stop
British Airways Logo
17:18 - 09:05SDF-LHR
10h 47m1 stop
£526British Airways
Find Deal
Fri, 29 Aug - Fri, 5 Sep
Lufthansa Logo
14:10 - 22:24LHR-SDF
13h 14m1 stop
Lufthansa Logo
13:40 - 06:45SDF-LHR
12h 05m1 stop
£582Lufthansa
Find Deal
Fri, 29 Aug - Fri, 5 Sep
Scandinavian Airlines Logo
06:40 - 21:14LHR-SDF
19h 34m3 stops
Scandinavian Airlines Logo
15:11 - 13:35SDF-LHR
17h 24m2 stops
£707Scandinavian Airlines
Find Deal
Sat, 30 Aug - Sat, 6 Sep
Scandinavian Airlines Logo
06:40 - 22:46LHR-SDF
21h 06m2 stops
Scandinavian Airlines Logo
15:11 - 17:40SDF-LHR
21h 29m2 stops
£787Scandinavian Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Heathrow to Louisville flights

Get data-powered insights and trends into flights from Heathrow to Louisville to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Heathrow Airport to Louisville?

What’s the cheapest day of the week to fly from London Heathrow Airport to Louisville?

The average price of all round-trip flights from London Heathrow Airport to Louisville clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from London Heathrow Airport to Louisville, look for departures on Tuesdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Louisville, Sunday is the cheapest day to fly and Wednesday is the most expensive.

What is the cheapest month to fly from London Heathrow Airport to Louisville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Louisville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Louisville is January, where tickets cost £445 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £802 and £765 respectively.

How far in advance should I book a flight from London Heathrow Airport to Louisville?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Louisville, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Louisville, you should book around 2 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 2 weeks before departure.


Good to know - Cheap tickets from London Heathrow Airport to Louisville

Low seasonNovember
Cheapest flight£336
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 10% lower on average.
Flight from London Heathrow Airport to Louisville

When to book flights from Heathrow to Louisville

Are your dates flexible? Find out the best times to travel from Heathrow to Louisville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Louisville flights

  • Are there any lounges at London Heathrow Airport?

    Enjoy the lounges at Heathrow Airport, like Club Aspire, The Plaza Premium Lounge, and No1 Lounge, in terminals 2, 3, 4, and 5. From 5:00 to 21:00, you can access the No1 Lounge or The Club Aspire Lounge. The Plaza Premium Lounge is open from 7:00 to 18:00. All lounges provide food, beverages, and internet access.

  • How do I access London Heathrow Airport (LHR) from downtown London?

    Central London is easily accessible from London Heathrow Airport by taxi, the Heathrow Express, or the tube (London Underground). If you prefer to take a taxi, every black cab in London has passed the Knowledge of London Test and is wheelchair accessible. The Heathrow Express leaves from London's Paddington Station and has no stops. It leaves every 15min and takes, on average, 15min to get there. Alternatively, you can take the tube. It departs from Paddington Station every 30min and takes around 30min to get to the airport.

  • Does Louisville Muhammad Ali Airport have any baby changing facilities?

    There are plenty of baby-changing amenities in the Mother's Room, in Concourse A of the Louisville Muhammad Ali Airport. The Mother's Room has three private rooms, a changing table, a glider, and charging points with USB ports. In addition, there's a large common area with a microwave, sink, and more spots to change your baby. You can also keep an eye on your gate with the flight display.

  • How do I get from Louisville Muhammad Ali Airport to the Louisville city centre?

    The Lousiville city centre is easy to access with transport options like buses, taxis, or car hire. Bus number 02 takes you to downtown Louisville, which you can catch outside the main terminal. It departs every hour and takes around 30min. The taxi ranks and car hire desks are easy to find near baggage collection. Lastly, Z-Trip cabs are readily accessible outside of the arrivals area.

  • What is the cheapest flight from London Heathrow Airport to Louisville?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Louisville was £444 for a one-way ticket and £636 for a return.

  • Which aircraft models fly most regularly from London Heathrow Airport to Louisville?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London Heathrow Airport to Louisville?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between London Heathrow Airport and Louisville, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from London to Louisville, United Airlines or Lufthansa?

    The two airlines most popular with KAYAK users for flights from London to Louisville are United Airlines and Lufthansa. With an average price for the route of £705 and an overall rating of 7.4, United Airlines is the most popular choice. Lufthansa is also a great choice for the route, with an average price of £566 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Louisville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Louisville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Louisville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Louisville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Louisville with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Louisville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Louisville

  • Do you need to charge your laptop or phone? At Heathrow Airport (LHR), there are Power Pole charging stations in each terminal, both before and after security. They offer UK and European USB cables and connections.
  • London Heathrow’s Duty-free provides a variety of shopping establishments. You may place an order online and then pick up your products or arrange to have your items ready when you return.
  • If you have a flight in the early morning at Heathrow Airport, you can stay at a hotel inside the airport. Three terminals (3, 4, and 5) have onsite hotels, making it simple to get to your early-morning flight.
  • Do you bring your pet on trips? There are two pet restrooms at the Louisville Muhammad Ali Airport (SDF) terminal. You can find them airside before security, near baggage claim, and landside after security next to the elevators.
  • If you need to keep your shoes polished while you travel, you can visit the Classic Shine Company. They're open on weekdays from 5:00 to 23:30, and you'll find them after security at SDF Concourse A's entrance.

Reviews of the top 5 airlines flying from Heathrow to Louisville

 
See real verified KAYAK customer reviews for airlines flying from London to Louisville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Louisville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1384 reviews
8.4Crew
7.7Comfort
7.1Entertainment
7.8Boarding
7.3Food
Airline reviews

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

6.0 GoodKathleen P, Jun 2025EDI - AMS
Read more KLM reviews

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

My flight was delayed by 6 hours then I missed BOTH of my connecting flights, I then had to stay in the AIRPORT at JFK because soooooo many people also suffered from missing flights and there was no hotels available. I would like to be compensated for this experience! I had to stay in the airport for over 16 hours!

Klm start boarding while somw air issue in the plan

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

This portion of the flight was through Indigo. A local carrier. So all economy seating. No real service some refreshments for purchase standard economy stuff.

Transfer at Amsterdam airport is very convenient and the airport is easy to navigate. Boarding was also quick and easy. Cabin crew were excellent and the meals were good, although lacking in options.

Overall very positive. Boarding was quick and organized. Cabin was clean and seats were reasonably comfortable. Cabin crew was excellent and the meals provided were also of good quality

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

This was an absolutely exceptional flight. The flight attendants were extremely attentive and very friendly. They seemed to go out of their way to make us comfortable and to make sure that we had everything we needed., We were in business and were very happy with the size and the details for our pods. We would definitely recommend Finnair and will definitely be flying with them again.

We had an excellent trip with Finnair. This was our first time and we’re very pleased. The only issue was with the boarding - it was a little bit confusing and needs a little bit of streamlining.

Crew very lovely. Arrived an hour late due to bad weather. We were given new tickets to an other flight but it could have been organised better, so we did not have to run through the whole airport to.

Flight delayed over an hour. They said they would hold our connection but then did not.

Major problems checking in at Alaska counter. They could not find our booking code because it came from Finnair.

Do not use KAYAK or Finair for future travel. Unless you purchase the tickets directly from the airline, you were going to have a difficult time checking in. Kayak canceled my flights twice and ended up causing great difficulty in me getting back from Europe because they double sold my tickets between American Airlines and Finair. The event caused significant delays and led to me having to rebook my flights.

The staff were all particularly great. The plane was clean and fresh. The bassinet worked great. It was all very nice.

Boarding uncomfortable. Stewardess said I would have to check my carry on as there was no room in the overhead bins. Another passenger helped me find a spot.

Great crew - old style upper class seats on the older fleet now feels dated

Premium economy more comfortable than economy, but not by much. Did was awful, do not try the omelette. Flight crew were helpful. Flight was delayed by over an hour. Overall but bad, arrived safely and thank God.

Food was excellent. Service was very good. Staff was very helpful to all passengers.

The crew was excellent as ever on Virgin. The special meal was poor unfortunately. More significantly when we arrived at Manchester Airport there was no air bridge provided and we had to exit the plane down a rickety stair case. This is unacceptable for a transatlantic flight. Whilst I understand that this is the airport’s fault at the end of the day the airline is responsible for our transportation and needs to do something.

Super friendly and helpful staff, from check-in desk to cabin crew.

Following a paid seat upgrade for enhanced comfort, I encountered an unacceptable odor in my assigned area. It took three hours for the crew to relocate me, and the replacement seat was unacceptably close to the lavatory, offering no improvement.

Good overall. Cannot fault the airlines. I have had better entertainment systems before ie ice in Emirates but it was not too bad. Food was decent and staff were friendly.

I did not fly by vergin atlantic from bangalore to vasco da gama

Your flight delayed at Heathrow n I almost missed my mother funeral.you idiots. I had to waste 10 hours in different airports. Thank your stars I'm not suing you.

Miami airport needs more thorough signage. It was a long walk from my transport point to the check in desk,

Liked the flight being almost on time (airport issues created a delay). Disliked the issue printing tag bags on the kiosk and having to wait for an hour on like to drop my bags.

Our flight was delayed for over an hour due to weather, and it had already been a long travel day. However, the crew was calm and compassionate, listening to every complaint with genuine concern. They got us home safely without incident, in spite of all of the obstacles. I’m grateful.

The flight crew was friendly and accommodating. I witnessed one of the flight attendants deal with a difficult flyer with extreme calm and compassion. I was so annoyed with the passenger and so impressed by the flight attendant. His quick action de-escalated what could have been a major incident. He was awesome.

Insulting. Lufthansa flight from Munich to EWR had us getting our luggage when we were told in Florence that it would follow us to Indianapolis. It did not. Then very slow security in EWR caused me and three other passengers from Lufthansa flight from Munich to miss the boarding closure. Behind me were two elderly grandparents and their ten year old grandson. We were all refused entry on a plane to Indy that was still at the gate. The doors had not even closed inside the terminal yet. No apologies or compensation offered. Not even a meal voucher let alone a free hotel stay for our inconvenience. I m not sure what the other three passengers behind me did ( they were elderly with a grandson, recall), but I stated 12 hours overnight in a chilly EWR airport until next flight to Indy at 850 next morning.

I was told in Florence my bag would go directly to Indianapolis. I had to wait to get it. Then security in EWR was slow so I missed my flight as United would not allow me on the plane even though it was still on the tarmac and the door to the tunnel was open. I blame both Lufthansa and United for refusing to allow me on board a plane that was clearly still on the tarmac. Behind me two grandparents and their ten year old grandson were on same flight from Munich to EWR. They were refused to board the United flight. So we had to sit for 12 hours in airport until next flight. No compensation has been offered either by Lufthansa or United.

Flight was delayed and luggage was delivered day after arrival. In Bilbao they told me day after would be delivered faster if I went to Bilbao to get my own bags so I did. Wasted my morning.

Seating was average for a first class seat. It very modern. I expected better.

very small seats screen did not work . I could not watch anything for 9 hours

The food that was served was superb!!! Awesome snacks!!! Frequent drink service!!! To me, this was shocking. I took a British Airways flight from Denver to London for the first leg of my trip and the food was horrendous. Thank you for keeping us fed and satiated on such a long flight!!!!

The seating arrangement by having privacy screens would have been more appealing. If you sit in the business class, you pay for extra comfort and privacy. Other than that, the service was excellent and the staff very professional.

Everything about the flight check-in was smooth no line the plane is clean and bathroom

Excellent everywhere but Philly, the most rotten airport in the world.

Check in was not the greatest as had to talk to an agent to clarify things and then he transferred us to another agent who had difficulty processing my credit card as there was a system glitch and not a card error.

I was put into business class. Wow! My flight attendant was great! The food amazing’

Not so good with their baggage handling as they damaged one of my check in luggage

All went well on the flight, not happy of course with having to pay for a seat and in hold luggage of £50

We never made it onto this flight due to BA's lackluster organisation.

The air hostess were good, cheerful, but I didn't like the boarding. My son and I initially bought our flight tickets, making sure it included 1 luggage and a carry on. Tickets were purchased for British airlines, but we were merged with American Airlines. At checking in our languages, we were told, we don't have luggage prepaid so we had to pay extra $125 each and almost £60 on our way back. I think that's unfair.

Economy seats are so small and compacted so close together that comfort is negatively affected, especially on long flights. However that is due to aircraft design, not anything the airline can do about it.

3/4 bags delayed and 1/4 damaged at the other end. Flight was freezing

Everything you need to know for your flight from Heathrow to Louisville

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