Cheap flights from London Heathrow Airport to Louisville from £345
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
22 Jan — 29 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 55 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 23 December 2025.
Fri 26/1209:55LHR - SDF
1 stop13h 30mBritish Airways
Sun 4/119:24SDF - LHR
1 stop30h 56mBritish Airways
Deal found 21/12£1,310
Fri 26/1209:00LHR - SDF
2 stops43h 37mAir Canada
Sun 4/110:50SDF - LHR
2 stops16h 40mAir Canada
Deal found 21/12£1,444
Fri 26/1212:00LHR - SDF
2 stops15h 30mMultiple Airlines
Sun 4/109:05SDF - LHR
3 stops17h 05mMultiple Airlines
Deal found 21/12£1,787
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 23 December 2025.
Tue 20/106:30LHR - SDF
2 stops15h 31mVirgin Atlantic
Tue 27/110:13SDF - LHR
1 stop15h 12mVirgin Atlantic
Deal found 21/12£514
Fri 16/112:05LHR - SDF
1 stop12h 38mLufthansa
Fri 23/114:05SDF - LHR
1 stop10h 50mLufthansa
Deal found 22/12£515
Thu 22/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Mon 26/111:10SDF - LHR
1 stop19h 05mUnited Airlines
Deal found 21/12£520
Wed 4/209:55LHR - SDF
1 stop17h 17mBritish Airways
Sun 8/210:35SDF - LHR
1 stop27h 25mBritish Airways
Deal found 20/12£531
Fri 16/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Fri 23/113:50SDF - LHR
1 stop11h 30mUnited Airlines
Deal found 22/12£520
Thu 5/211:10LHR - SDF
2 stops16h 20mLufthansa
Wed 18/213:50SDF - LHR
1 stop11h 30mLufthansa
Deal found 22/12£523
Fri 20/209:00LHR - SDF
2 stops18h 13mUnited Airlines
Mon 23/214:05SDF - LHR
1 stop16h 10mUnited Airlines
Deal found 21/12£520
Wed 4/209:00LHR - SDF
2 stops16h 28mUnited Airlines
Sun 8/211:10SDF - LHR
1 stop15h 45mUnited Airlines
Deal found 20/12£520
Mon 16/207:30LHR - SDF
2 stops17h 12mUnited Airlines
Sat 28/214:05SDF - LHR
2 stops16h 00mUnited Airlines
Deal found 21/12£525
Thu 5/207:30LHR - SDF
2 stops17h 01mUnited Airlines
Wed 18/214:05SDF - LHR
1 stop12h 50mUnited Airlines
Deal found 21/12£525
Last-minute flights from Heathrow to Louisville
Discover last-minute flight deals from Heathrow to Louisville. Data last updated 23 December 2025 and is based on user searches.
Fri 26/1209:55LHR - SDF
1 stop13h 30mBritish Airways
Sun 4/119:24SDF - LHR
1 stop30h 56mBritish Airways
Deal found 21/12£1,310
Tue 6/116:35LHR - SDF
1 stop24h 09mDelta
Sat 10/114:55SDF - LHR
1 stop24h 15mDelta
Deal found 21/12£835
Tue 6/111:10LHR - SDF
2 stops16h 20mAir Canada
Sat 10/106:26SDF - LHR
2 stops33h 09mAir Canada
Deal found 21/12£995
Tue 6/113:00LHR - SDF
2 stops14h 30mMultiple Airlines
Sat 10/114:05SDF - LHR
1 stop10h 50mMultiple Airlines
Deal found 21/12£1,047
Fri 16/112:05LHR - SDF
1 stop12h 38mLufthansa
Fri 23/114:05SDF - LHR
1 stop10h 50mLufthansa
Deal found 22/12£515
Fri 16/109:00LHR - SDF
2 stops16h 28mUnited Airlines
Fri 23/114:05SDF - LHR
2 stops15h 45mUnited Airlines
Deal found 22/12£520
Tue 20/114:10LHR - SDF
1 stop14h 09mBritish Airways
Tue 27/119:13SDF - LHR
1 stop10h 12mBritish Airways
Deal found 21/12£511
Tue 20/106:30LHR - SDF
2 stops15h 31mVirgin Atlantic
Tue 27/110:13SDF - LHR
1 stop15h 12mVirgin Atlantic
Deal found 21/12£514
Tue 20/111:45LHR - SDF
2 stops14h 30mDelta
Tue 27/110:13SDF - LHR
2 stops16h 52mDelta
Deal found 21/12£535
Tue 20/108:15LHR - SDF
3 stops33h 50mMultiple Airlines
Tue 27/113:45SDF - LHR
3 stops26h 50mMultiple Airlines
Deal found 21/12£952
Thu 22/107:40LHR - SDF
1 stop14h 57mUnited Airlines
Mon 26/114:05SDF - LHR
1 stop12h 50mUnited Airlines
Deal found 21/12£548
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 23 December 2025.
Sat 31/110:25LHR - SDF
1 stop15h 03mUnited Airlines
Deal found 21/12£345
Wed 4/206:00LHR - SDF
3 stops37h 41mMultiple Airlines
Deal found 20/12£372
Wed 4/211:10LHR - SDF
2 stops16h 20mLufthansa
Deal found 20/12£374
Thu 5/209:30LHR - SDF
2 stops32h 30mMultiple Airlines
Deal found 22/12£377
Tue 14/411:30LHR - SDF
2 stops33h 02mBritish Airways
Deal found 21/12£395
Sun 12/416:40LHR - SDF
2 stops31h 22mBritish Airways
Deal found 21/12£401
Wed 22/406:50LHR - SDF
2 stops18h 26mUnited Airlines
Deal found 21/12£409
Tue 14/412:30LHR - SDF
1 stop13h 30mMultiple Airlines
Deal found 21/12£411
Mon 13/409:15LHR - SDF
1 stop16h 40mBritish Airways
Deal found 21/12£415
Thu 16/406:10LHR - SDF
2 stops19h 45mBritish Airways
Deal found 21/12£436
Fri 17/410:50LHR - SDF
2 stops33h 42mBritish Airways
Deal found 21/12£437
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 23 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 23 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
Tue 20/1
06:30-17:01
2 stops15h 31m
Louisville Intl
Tue 27/1
10:13-06:25
1 stop15h 12m
£514
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Fri 16/1
12:05-19:43
1 stop12h 38m
Louisville Intl
Fri 23/1
14:05-05:55
1 stop10h 50m
£515
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 22/1
09:00-20:28
2 stops16h 28m
Louisville Intl
Mon 26/1
11:10-11:15
1 stop19h 05m
£520
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Fri 16/1
09:00-20:28
2 stops16h 28m
Louisville Intl
Fri 23/1
13:50-06:20
1 stop11h 30m
£520
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Fri 20/2
09:00-22:13
2 stops18h 13m
Louisville Intl
Mon 23/2
14:05-11:15
1 stop16h 10m
£520
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 4/2
09:00-20:28
2 stops16h 28m
Louisville Intl
Sun 8/2
11:10-07:55
1 stop15h 45m
£520
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 5/2
11:10-22:30
2 stops16h 20m
Louisville Intl
Wed 18/2
13:50-06:20
1 stop11h 30m
£523
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Mon 16/2
07:30-19:42
2 stops17h 12m
Louisville Intl
Sat 28/2
14:05-11:05
2 stops16h 00m
£525
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Thu 5/2
07:30-19:31
2 stops17h 01m
Louisville Intl
Wed 18/2
14:05-07:55
1 stop12h 50m
£525
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 4/2
09:55-22:12
1 stop17h 17m
Louisville Intl
Sun 8/2
10:35-19:00
1 stop27h 25m
£531
Flights are sorted by cheapest return flights first.
Deals found on 20/12
Showing 1-10 of 20 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 19 December 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 55 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 £368). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £497). 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 23 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 51% 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 £511.
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 Boston (BOS) offer the fastest connection on this route, with an average stopover time of 1h 40m.
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 23 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.
Not literally sitting in the very last row in the middle
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 8 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 Virgin Atlantic, Lufthansa, and United Airlines fly from London Heathrow Airport to Louisville in about 12h 38m. The time it takes to get you to your destination can typically vary by up to 3h 50m. 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 £414. Additional return tickets that might be worth considering are offered by Finnair and Air France, with the lowest prices starting at £419 and £420, 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 £368). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £497). 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 23 December 2025.
Discover the top 8 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 23 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.
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