Cheap flights from London Heathrow Airport to Louisville from £259
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
2 Jan — 9 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Louisville Intl are usually found in January or February, booked 8 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from Heathrow to Louisville
Enter your travel dates to find the best prices.
Cheapest flights from Heathrow to Louisville
Explore the most affordable flight options available from Heathrow to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.
Mon 29/1210:45LHR - SDF
1 stop15h 06mVirgin Atlantic
Mon 5/117:45SDF - LHR
1 stop31h 40mVirgin Atlantic
Deal found 30/11£764
Sun 21/1220:45LHR - SDF
2 stops31h 45mAer Lingus
Sun 28/1208:00SDF - LHR
2 stops19h 05mAer Lingus
Deal found 1/12£1,045
Mon 29/1218:00LHR - SDF
2 stops33h 49mMultiple Airlines
Mon 5/120:53SDF - LHR
3 stops29h 17mMultiple Airlines
Deal found 30/11£1,071
Sun 21/1213:35LHR - SDF
2 stops27h 31mUnited Airlines
Sun 28/1218:11SDF - LHR
1 stop30h 44mUnited Airlines
Deal found 1/12£1,135
Sun 21/1206:40LHR - SDF
3 stops22h 16mScandinavian Airlines
Sun 28/1216:44SDF - LHR
2 stops20h 46mScandinavian Airlines
Deal found 1/12£1,888
Best flights from Heathrow to Louisville
Discover carefully curated flight deals from Heathrow to Louisville that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 December 2025.
Thu 15/109:30LHR - SDF
2 stops18h 53mLufthansa
Thu 22/113:50SDF - LHR
1 stop13h 35mLufthansa
Deal found 1/12£509
Thu 22/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Mon 26/113:50SDF - LHR
1 stop11h 30mUnited Airlines
Deal found 2/12£531
Wed 11/213:45LHR - SDF
2 stops37h 28mUnited Airlines
Sat 21/206:00SDF - LHR
1 stop23h 15mUnited Airlines
Deal found 1/12£532
Wed 11/208:30LHR - SDF
2 stops16h 13mLufthansa
Sat 21/217:54SDF - LHR
1 stop12h 21mLufthansa
Deal found 1/12£535
Thu 15/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Thu 22/114:10SDF - LHR
2 stops15h 55mUnited Airlines
Deal found 1/12£532
Thu 22/106:35LHR - SDF
2 stops20h 55mLufthansa
Mon 26/114:05SDF - LHR
1 stop12h 50mLufthansa
Deal found 1/12£535
Fri 27/307:30LHR - SDF
2 stops16h 12mUnited Airlines
Sat 4/409:00SDF - LHR
2 stops16h 55mUnited Airlines
Deal found 1/12£535
Mon 23/312:05LHR - SDF
1 stop29h 27mLufthansa
Sun 5/409:55SDF - LHR
1 stop19h 45mLufthansa
Deal found 2/12£542
Fri 27/316:20LHR - SDF
1 stop26h 27mLufthansa
Sat 4/408:49SDF - LHR
1 stop16h 06mLufthansa
Deal found 1/12£543
Last-minute flights from Heathrow to Louisville
Discover last-minute flight deals from Heathrow to Louisville. Data last updated 3 December 2025 and is based on user searches.
Thu 15/109:30LHR - SDF
2 stops18h 53mLufthansa
Thu 22/113:50SDF - LHR
1 stop13h 35mLufthansa
Deal found 1/12£509
Thu 15/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Thu 22/114:10SDF - LHR
2 stops15h 55mUnited Airlines
Deal found 1/12£532
Thu 15/112:05LHR - SDF
3 stops29h 55mMultiple Airlines
Thu 22/115:36SDF - LHR
3 stops34h 34mMultiple Airlines
Deal found 1/12£612
Thu 15/107:05LHR - SDF
3 stops21h 50mScandinavian Airlines
Thu 22/112:22SDF - LHR
2 stops22h 38mScandinavian Airlines
Deal found 1/12£631
Thu 22/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Mon 26/113:50SDF - LHR
1 stop11h 30mUnited Airlines
Deal found 2/12£531
Thu 22/106:35LHR - SDF
2 stops20h 55mLufthansa
Mon 26/114:05SDF - LHR
1 stop12h 50mLufthansa
Deal found 1/12£535
Thu 22/109:00LHR - SDF
2 stops39h 31mAir Canada
Mon 26/114:05SDF - LHR
2 stops13h 25mAir Canada
Deal found 1/12£564
Thu 29/113:25LHR - SDF
2 stops25h 58mAir Canada
Mon 2/208:30SDF - LHR
2 stops17h 40mAir Canada
Deal found 30/11£565
One-way flights from Heathrow to Louisville
Search for one-way flight options from Heathrow to Louisville. Find affordable one-way fares based on user searches. Data last updated 3 December 2025.
Sat 31/109:55LHR - SDF
3 stops33h 46mMultiple Airlines
Deal found 1/12£259
Mon 16/208:30LHR - SDF
2 stops16h 12mLufthansa
Deal found 2/12£385
Mon 16/214:10LHR - SDF
1 stop12h 13mMultiple Airlines
Deal found 2/12£402
Sat 31/106:15LHR - SDF
2 stops22h 04mBritish Airways
Deal found 1/12£418
Wed 25/306:40LHR - SDF
2 stops18h 02mMultiple Airlines
Deal found 2/12£1,784
Wed 25/309:55LHR - SDF
1 stop13h 12mBritish Airways
Deal found 2/12£1,967
Find flight deals from Heathrow to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Louisville (SDF). 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 3 December 2025.
Customise your flight search to find flights from Heathrow to Louisville 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 858,174 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Louisville that are best for you.
Fly from
Heathrow
Fly to
Louisville
Route
Depart
Return
Price
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 15/1
09:30-23:23
2 stops18h 53m
Louisville Intl
Thu 22/1
13:50-08:25
1 stop13h 35m
£509
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
09:00-20:28
2 stops16h 28m
Louisville Intl
Mon 26/1
13:50-06:20
1 stop11h 30m
£531
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 11/2
13:45-22:13
2 stops37h 28m
Louisville Intl
Sat 21/2
06:00-10:15
1 stop23h 15m
£532
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 15/1
09:00-20:28
2 stops16h 28m
Louisville Intl
Thu 22/1
14:10-11:05
2 stops15h 55m
£532
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 11/2
08:30-19:43
2 stops16h 13m
Louisville Intl
Sat 21/2
17:54-11:15
1 stop12h 21m
£535
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
06:35-22:30
2 stops20h 55m
Louisville Intl
Mon 26/1
14:05-07:55
1 stop12h 50m
£535
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Fri 27/3
07:30-19:42
2 stops16h 12m
Louisville Intl
Sat 4/4
09:00-06:55
2 stops16h 55m
£535
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Mon 23/3
12:05-13:32
1 stop29h 27m
Louisville Intl
Sun 5/4
09:55-10:40
1 stop19h 45m
£542
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Fri 27/3
16:20-14:47
1 stop26h 27m
Louisville Intl
Sat 4/4
08:49-05:55
1 stop16h 06m
£543
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Sat 31/1
09:55-14:41
3 stops33h 46m
£259
Flights are sorted by cheapest return flights first.
Deals found on 1/12
Showing 1-10 of 15 results
1
2
Best time to book a flight from Heathrow to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Louisville
Prices
More
How far ahead should I book a flight from London Heathrow Airport to Louisville?
Use this chart to determine the optimal time to book a return flight from Heathrow to Louisville. Price data was last updated on 28 November 2025.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Louisville, you should look to book at least 8 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Louisville?
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £374). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £506). 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.
What is the cheapest time of day to fly from LHR to SDF?
Find hourly flight availability from Heathrow to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 December 2025.
It’s typically best to fly out from London Heathrow Airport to Louisville in the afternoon. Doing so could potentially save you 3% on the flight price compared to flying in the evening, which is usually more expensive.
How much does it cost for a return flight from London Heathrow Airport to Louisville?
What’s the top stopover airport for flights from London Heathrow Airport to Louisville?
Share of one-stop return flights from London Heathrow Airport to Louisville chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Chicago (ORD) – chosen by Cheapflights users on 48% of one-stop itineraries from London Heathrow Airport to Louisville on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Louisville?
Average return fare for one-stop flights from London Heathrow Airport to Louisville, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Minneapolis (MSP) is the most affordable one-stop option, with an average return flight price of £520.
What’s the fastest stopover option from London Heathrow Airport to Louisville?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Boston (BOS) have the shortest average one-way travel time for one-stop routes: 12h 09m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Louisville?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average stopover time of 1h 34m.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated 3 December 2025.
Read reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic
from London Heathrow Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Louisville from London Heathrow?
Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from London Heathrow. On average, Louisville Intl has 0 inbound flights from London Heathrow per day from 7 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.
How long is the flight from London Heathrow Airport to Louisville?
Airlines like Lufthansa and United Airlines fly from London Heathrow Airport to Louisville in about 16h 28m. The time it takes to get you to your destination can typically vary by up to 2h 25m. Airlines will cover a distance of 4033 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London Heathrow Airport to Louisville round-trip?
Flying on British Airways is currently your cheapest option to Louisville, with prices starting at £421. Additional return tickets that might be worth considering are offered by Finnair and Air France, with the lowest prices starting at £426 and £427, respectively. Users have found that British Airways is 31% cheaper than the other options available to this destination.
Can I find deals for business class flights from Heathrow to Louisville?
Yes. Cheapflights offers flight deals from Heathrow to Louisville 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 London Heathrow Airport to Louisville?
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £374). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £506). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 3 December 2025.
Discover the top 7 airlines that operate flights from Heathrow to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Louisville?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Louisville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Louisville?
Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Louisville for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Heathrow to Louisville with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Louisville with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Louisville become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Louisville from Heathrow today and book when prices fit your budget.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.