Cheap flights from London Heathrow Airport to Louisville from £466
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 29/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
11 Dec — 18 Dec1
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 11 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 11 November 2025.
Mon 8/1211:10LHR - SDF
2 stops17h 22mUnited Airlines
Mon 15/1214:05SDF - LHR
1 stop11h 35mUnited Airlines
Deal found 10/11£578
Mon 8/1214:45LHR - SDF
1 stop12h 04mBritish Airways
Mon 15/1219:04SDF - LHR
1 stop11h 56mBritish Airways
Deal found 10/11£586
Wed 10/1206:30LHR - SDF
2 stops15h 46mKLM
Wed 17/1212:37SDF - LHR
1 stop13h 28mKLM
Deal found 10/11£589
Wed 3/1214:45LHR - SDF
1 stop14h 09mBritish Airways
Wed 10/1213:02SDF - LHR
1 stop12h 53mBritish Airways
Deal found 9/11£598
Wed 3/1206:30LHR - SDF
2 stops15h 46mKLM
Wed 10/1215:18SDF - LHR
1 stop12h 42mKLM
Deal found 9/11£603
Tue 9/1208:40LHR - SDF
2 stops17h 33mVirgin Atlantic
Tue 16/1218:16SDF - LHR
1 stop12h 24mVirgin Atlantic
Deal found 9/11£608
Tue 9/1211:45LHR - SDF
2 stops14h 28mDelta
Tue 16/1210:37SDF - LHR
2 stops17h 08mDelta
Deal found 9/11£608
Tue 9/1213:00LHR - SDF
1 stop13h 13mKLM
Tue 16/1214:29SDF - LHR
1 stop13h 16mKLM
Deal found 9/11£621
Sun 7/1211:05LHR - SDF
1 stop12h 40mVirgin Atlantic
Sun 14/1210:44SDF - LHR
2 stops38h 41mVirgin Atlantic
Deal found 9/11£637
Thu 20/1106:40LHR - SDF
2 stops22h 26mScandinavian Airlines
Sun 23/1115:09SDF - LHR
2 stops25h 31mScandinavian Airlines
Deal found 10/11£638
Wed 10/1207:35LHR - SDF
2 stops17h 29mIberia
Wed 17/1213:02SDF - LHR
2 stops23h 13mIberia
Deal found 10/11£640
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 11 November 2025.
Mon 8/1211:10LHR - SDF
2 stops17h 22mUnited Airlines
Mon 15/1207:00SDF - LHR
2 stops19h 10mUnited Airlines
Deal found 10/11£578
Mon 8/1214:45LHR - SDF
1 stop12h 04mBritish Airways
Mon 15/1219:04SDF - LHR
1 stop11h 56mBritish Airways
Deal found 10/11£586
Wed 10/1206:30LHR - SDF
2 stops15h 46mKLM
Wed 17/1212:37SDF - LHR
1 stop13h 28mKLM
Deal found 10/11£589
Wed 28/117:00LHR - SDF
2 stops35h 50mScandinavian Airlines
Sun 1/212:55SDF - LHR
2 stops24h 35mScandinavian Airlines
Deal found 10/11£592
Wed 28/108:45LHR - SDF
2 stops18h 45mLufthansa
Sun 1/213:40SDF - LHR
1 stop26h 40mLufthansa
Deal found 10/11£605
Tue 9/1208:40LHR - SDF
2 stops17h 33mVirgin Atlantic
Tue 16/1218:16SDF - LHR
1 stop12h 24mVirgin Atlantic
Deal found 9/11£608
Tue 9/1211:45LHR - SDF
2 stops14h 28mDelta
Tue 16/1210:37SDF - LHR
2 stops17h 08mDelta
Deal found 9/11£608
Wed 3/1214:45LHR - SDF
1 stop14h 09mBritish Airways
Wed 10/1213:02SDF - LHR
1 stop12h 53mBritish Airways
Deal found 9/11£598
Wed 3/1206:30LHR - SDF
2 stops15h 46mKLM
Wed 10/1218:16SDF - LHR
2 stops17h 44mKLM
Deal found 9/11£618
Sun 7/1211:05LHR - SDF
1 stop12h 40mVirgin Atlantic
Sun 14/1210:44SDF - LHR
2 stops38h 41mVirgin Atlantic
Deal found 9/11£637
Tue 9/1213:00LHR - SDF
1 stop13h 13mKLM
Tue 16/1214:29SDF - LHR
1 stop13h 16mKLM
Deal found 9/11£621
Last-minute flights from Heathrow to Louisville
Discover last-minute flight deals from Heathrow to Louisville. Data last updated 11 November 2025 and is based on user searches.
Thu 20/1106:40LHR - SDF
2 stops22h 26mScandinavian Airlines
Sun 23/1115:09SDF - LHR
2 stops25h 31mScandinavian Airlines
Deal found 10/11£638
Wed 3/1214:45LHR - SDF
1 stop14h 09mBritish Airways
Wed 10/1213:02SDF - LHR
1 stop12h 53mBritish Airways
Deal found 9/11£598
Wed 3/1206:30LHR - SDF
2 stops15h 46mKLM
Wed 10/1215:18SDF - LHR
1 stop12h 42mKLM
Deal found 9/11£603
Sun 7/1210:00LHR - SDF
2 stops42h 54mBritish Airways
Sun 14/1215:39SDF - LHR
2 stops39h 16mBritish Airways
Deal found 9/11£637
Mon 8/1211:10LHR - SDF
2 stops17h 22mUnited Airlines
Mon 15/1214:05SDF - LHR
1 stop11h 35mUnited Airlines
Deal found 10/11£578
Mon 8/1214:45LHR - SDF
1 stop12h 04mBritish Airways
Mon 15/1219:04SDF - LHR
1 stop11h 56mBritish Airways
Deal found 10/11£586
Tue 9/1208:40LHR - SDF
2 stops17h 33mVirgin Atlantic
Tue 16/1218:16SDF - LHR
1 stop12h 24mVirgin Atlantic
Deal found 9/11£608
Tue 9/1211:45LHR - SDF
2 stops14h 28mDelta
Tue 16/1210:37SDF - LHR
2 stops17h 08mDelta
Deal found 9/11£608
Tue 9/1213:00LHR - SDF
1 stop13h 13mKLM
Tue 16/1214:29SDF - LHR
1 stop13h 16mKLM
Deal found 9/11£621
Wed 10/1206:30LHR - SDF
2 stops15h 46mKLM
Wed 17/1212:37SDF - LHR
1 stop13h 28mKLM
Deal found 10/11£589
Wed 10/1207:35LHR - SDF
2 stops17h 29mIberia
Wed 17/1213:02SDF - LHR
2 stops23h 13mIberia
Deal found 10/11£640
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 11 November 2025.
Mon 29/1219:50LHR - SDF
2 stops31h 24mBritish Airways
Deal found 9/11£466
Mon 29/1211:45LHR - SDF
1 stop15h 29mMultiple Airlines
Deal found 9/11£481
Mon 29/1208:50LHR - SDF
2 stops18h 04mAer Lingus
Deal found 9/11£505
Mon 29/1209:55LHR - SDF
1 stop13h 26mAmerican Airlines
Deal found 9/11£511
Mon 29/1213:00LHR - SDF
2 stops14h 30mUnited Airlines
Deal found 9/11£572
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 11 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 8/12
11:10-23:32
2 stops17h 22m
Louisville Intl
Mon 15/12
07:00-07:10
2 stops19h 10m
£578
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Mon 8/12
14:45-21:49
1 stop12h 04m
Louisville Intl
Mon 15/12
19:04-12:00
1 stop11h 56m
£586
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 10/12
06:30-17:16
2 stops15h 46m
Louisville Intl
Wed 17/12
12:37-07:05
1 stop13h 28m
£589
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 28/1
17:00-23:50
2 stops35h 50m
Louisville Intl
Sun 1/2
12:55-18:30
2 stops24h 35m
£592
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 3/12
14:45-23:54
1 stop14h 09m
Louisville Intl
Wed 10/12
13:02-06:55
1 stop12h 53m
£598
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 28/1
08:45-22:30
2 stops18h 45m
Louisville Intl
Sun 1/2
13:40-21:20
1 stop26h 40m
£605
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Tue 9/12
08:40-21:13
2 stops17h 33m
Louisville Intl
Tue 16/12
18:16-11:40
1 stop12h 24m
£608
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Tue 9/12
11:45-21:13
2 stops14h 28m
Louisville Intl
Tue 16/12
10:37-08:45
2 stops17h 08m
£608
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Wed 3/12
06:30-17:16
2 stops15h 46m
Louisville Intl
Wed 10/12
18:16-17:00
2 stops17h 44m
£618
LondonLouisville
LHR - SDF
LHRSDF
London Heathrow
Tue 9/12
13:00-21:13
1 stop13h 13m
Louisville Intl
Tue 16/12
14:29-08:45
1 stop13h 16m
£621
Flights are sorted by cheapest return flights first.
Deals found on 9/11
Showing 1-10 of 15 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 7 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 £375). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £507). 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 11 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 51% of one-stop itineraries from London Heathrow Airport to Louisville on Cheapflights.
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.
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 11 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 United Airlines, British Airways, and KLM fly from London Heathrow Airport to Louisville in about 12h 04m. The time it takes to get you to your destination can typically vary by up to 5h 18m. 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 £423. Additional return tickets that might be worth considering are offered by Air France and Finnair, with the lowest prices starting at £429 and £436, respectively. Users have found that British Airways is 31% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Louisville one-way?
For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £505. Users have also found prices from £511 and £572 on American Airlines and United Airlines, respectively.
Can I find deals for flights from Heathrow to Louisville that include hotel bookings?
Yes. In addition to deals on Heathrow to Louisville flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Louisville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Louisville.
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 £375). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £507). 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 11 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 11 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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