Cheap flights from London Heathrow Airport to Louisville from £390
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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
26 Dec — 2 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
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 26 November 2025.
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 26 November 2025.
Mon 15/1214:10LHR - SDF
1 stop12h 50mBritish Airways
Fri 16/115:33SDF - LHR
1 stop10h 47mBritish Airways
Deal found 24/11£657
Wed 17/1206:15LHR - SDF
2 stops18h 49mBritish Airways
Wed 14/115:33SDF - LHR
1 stop12h 42mBritish Airways
Deal found 25/11£687
Mon 15/1206:30LHR - SDF
2 stops17h 22mDelta
Fri 16/110:41SDF - LHR
2 stops15h 24mDelta
Deal found 24/11£720
Wed 17/1214:10LHR - SDF
1 stop13h 46mIberia
Wed 14/111:13SDF - LHR
1 stop18h 12mIberia
Deal found 25/11£737
Wed 17/1207:50LHR - SDF
2 stops20h 06mAer Lingus
Wed 14/113:32SDF - LHR
2 stops19h 53mAer Lingus
Deal found 25/11£744
Mon 15/1211:10LHR - SDF
2 stops17h 22mMultiple Airlines
Fri 16/108:29SDF - LHR
3 stops17h 41mMultiple Airlines
Deal found 24/11£1,018
Wed 17/1222:35LHR - SDF
3 stops30h 24mMultiple Airlines
Wed 14/113:55SDF - LHR
3 stops36h 15mMultiple Airlines
Deal found 25/11£1,413
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 26 November 2025.
Mon 12/114:45LHR - SDF
1 stop12h 27mMultiple Airlines
Mon 26/116:32SDF - LHR
1 stop12h 28mMultiple Airlines
Deal found 25/11£578
Wed 11/212:35LHR - SDF
1 stop15h 44mBritish Airways
Sat 21/215:30SDF - LHR
1 stop15h 30mBritish Airways
Deal found 25/11£588
Thu 22/114:10LHR - SDF
1 stop14h 09mAmerican Airlines
Mon 26/119:13SDF - LHR
1 stop10h 12mAmerican Airlines
Deal found 25/11£609
Wed 11/208:30LHR - SDF
2 stops16h 13mLufthansa
Sat 21/217:54SDF - LHR
1 stop12h 21mLufthansa
Deal found 25/11£612
Thu 22/109:00LHR - SDF
2 stops19h 23mAir Canada
Mon 26/114:05SDF - LHR
2 stops13h 25mAir Canada
Deal found 23/11£642
Wed 11/208:30LHR - SDF
2 stops16h 13mMultiple Airlines
Sat 21/217:54SDF - LHR
2 stops55h 36mMultiple Airlines
Deal found 25/11£606
Thu 22/112:35LHR - SDF
1 stop15h 44mBritish Airways
Mon 26/113:15SDF - LHR
1 stop13h 05mBritish Airways
Deal found 24/11£607
Mon 12/108:45LHR - SDF
2 stops18h 45mLufthansa
Mon 26/118:12SDF - LHR
1 stop12h 03mLufthansa
Deal found 25/11£615
Fri 1/515:00LHR - SDF
1 stop14h 14mBritish Airways
Fri 8/516:45SDF - LHR
1 stop10h 05mBritish Airways
Deal found 24/11£633
Thu 22/113:35LHR - SDF
1 stop13h 55mLufthansa
Mon 26/113:50SDF - LHR
1 stop11h 30mLufthansa
Deal found 23/11£638
Last-minute flights from Heathrow to Louisville
Discover last-minute flight deals from Heathrow to Louisville. Data last updated 26 November 2025 and is based on user searches.
Mon 15/1214:10LHR - SDF
1 stop12h 50mBritish Airways
Fri 16/115:33SDF - LHR
1 stop10h 47mBritish Airways
Deal found 24/11£657
Mon 15/1206:30LHR - SDF
2 stops17h 22mDelta
Fri 16/110:41SDF - LHR
2 stops15h 24mDelta
Deal found 24/11£720
Mon 15/1211:10LHR - SDF
2 stops17h 22mMultiple Airlines
Fri 16/108:29SDF - LHR
3 stops17h 41mMultiple Airlines
Deal found 24/11£1,018
Wed 17/1206:15LHR - SDF
2 stops18h 49mBritish Airways
Wed 14/115:33SDF - LHR
1 stop12h 42mBritish Airways
Deal found 25/11£687
Wed 17/1214:10LHR - SDF
1 stop13h 46mIberia
Wed 14/111:13SDF - LHR
1 stop18h 12mIberia
Deal found 25/11£737
Wed 17/1207:50LHR - SDF
2 stops20h 06mAer Lingus
Wed 14/113:32SDF - LHR
2 stops19h 53mAer Lingus
Deal found 25/11£744
Wed 17/1222:35LHR - SDF
3 stops30h 24mMultiple Airlines
Wed 14/113:55SDF - LHR
3 stops36h 15mMultiple Airlines
Deal found 25/11£1,413
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 26 November 2025.
Wed 15/410:50LHR - SDF
2 stops16h 36mLufthansa
Deal found 24/11£390
Wed 15/414:25LHR - SDF
1 stop11h 30mBritish Airways
Deal found 24/11£405
Wed 15/407:30LHR - SDF
3 stops34h 56mMultiple Airlines
Deal found 24/11£471
Tue 19/509:00LHR - SDF
2 stops18h 09mLufthansa
Deal found 24/11£483
Tue 19/512:15LHR - SDF
1 stop13h 40mMultiple Airlines
Deal found 24/11£495
Fri 5/1214:50LHR - SDF
3 stops52h 25mMultiple Airlines
Deal found 24/11£509
Thu 21/507:25LHR - SDF
2 stops19h 44mLufthansa
Deal found 24/11£523
Fri 5/1214:50LHR - SDF
2 stops37h 18mWestJet
Deal found 24/11£526
Thu 21/507:25LHR - SDF
2 stops19h 05mUnited Airlines
Deal found 24/11£534
Thu 21/515:00LHR - SDF
1 stop13h 45mMultiple Airlines
Deal found 24/11£536
Fri 22/514:25LHR - SDF
1 stop13h 34mBritish Airways
Deal found 24/11£541
Fri 22/512:40LHR - SDF
2 stops38h 50mAir Canada
Deal found 24/11£543
Cheapflights Fare Finder
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 26 November 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
Mon 12/1
14:45-22:12
1 stop12h 27m
Louisville Intl
Mon 26/1
16:32-10:00
1 stop12h 28m
£578
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 11/2
12:35-23:19
1 stop15h 44m
Louisville Intl
Sat 21/2
15:30-12:00
1 stop15h 30m
£588
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 11/2
08:30-19:43
2 stops16h 13m
Louisville Intl
Sat 21/2
17:54-06:30
2 stops55h 36m
£606
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
12:35-23:19
1 stop15h 44m
Louisville Intl
Mon 26/1
13:15-07:20
1 stop13h 05m
£607
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
14:10-23:19
1 stop14h 09m
Louisville Intl
Mon 26/1
19:13-10:25
1 stop10h 12m
£609
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
£612
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Mon 12/1
08:45-22:30
2 stops18h 45m
Louisville Intl
Mon 26/1
18:12-11:15
1 stop12h 03m
£615
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Fri 1/5
15:00-00:14
1 stop14h 14m
Louisville Intl
Fri 8/5
16:45-07:50
1 stop10h 05m
£633
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
13:35-22:30
1 stop13h 55m
Louisville Intl
Mon 26/1
13:50-06:20
1 stop11h 30m
£638
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
09:00-23:23
2 stops19h 23m
Louisville Intl
Mon 26/1
14:05-08:30
2 stops13h 25m
£642
Flights are sorted by cheapest return flights first.
Deals found on 24/11
Showing 1-10 of 21 results
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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 21 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 £376). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £508). 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 26 November 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.
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 50% 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 £522.
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 26 November 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 British Airways fly from London Heathrow Airport to Louisville in about 15h 44m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4033 mi.
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 £423. Additional return tickets that might be worth considering are offered by Finnair and Air France, with the lowest prices starting at £428 and £430, 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 £376). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £508). 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 26 November 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 26 November 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.
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