$615+ Cheap flights from Heathrow (LHR) to Louisville (SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
Oct 12 — Oct 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Heathrow to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Heathrow to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to LouisvilleExplore 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 September 12, 2026.
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 September 12, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:05 pm -
3 stops29h 46m
Tue 12/81:30 pm -
2 stops24h 00m
Deal found 9/11![Scandinavian Airlines logo]()
$834
This Travcart deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:55 am -
1 stop17h 43m
Sun 11/85:57 pm -
1 stop31h 28m
Deal found 9/9![Virgin Atlantic logo]()
$851
This Travcart deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:15 am -
2 stops20h 22m
Sun 11/810:13 am -
1 stop17h 22m
Deal found 9/9![Iberia logo]()
$918
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:00 am -
2 stops17h 00m
Tue 12/82:05 pm -
1 stop11h 15m
Deal found 9/11![United Airlines logo]()
$925
This Travcart deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/278:55 am -
1 stop14h 16m
Sun 1/105:45 pm -
1 stop31h 40m
Deal found 9/9![Virgin Atlantic logo]()
$931
This Globehunters deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 am -
1 stop14h 48m
Tue 10/131:25 pm -
1 stop12h 50m
Deal found 9/8![Lufthansa logo]()
$932
This Travcart deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:15 am -
1 stop12h 55m
Tue 10/135:57 pm -
1 stop12h 23m
Deal found 9/12![Virgin Atlantic logo]()
$936
Best flights from Heathrow to LouisvilleDiscover carefully curated flight deals from Heathrow to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Heathrow to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:05 pm -
3 stops29h 46m
Tue 12/81:30 pm -
2 stops24h 00m
Deal found 9/11![Scandinavian Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:30 am -
2 stops16h 41m
Sun 10/181:25 pm -
1 stop27h 10m
Deal found 9/11![United Airlines logo]()
$950
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:20 am -
1 stop16h 15m
Sun 10/183:26 pm -
1 stop10h 49m
Deal found 9/8![Delta logo]()
$1,067
This KLM deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:15 am -
1 stop14h 20m
Sat 10/1711:06 am -
1 stop14h 19m
Deal found 9/8![KLM logo]()
$1,067
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:50 am -
2 stops15h 50m
Sun 10/183:37 pm -
1 stop35h 08m
Deal found 9/7![United Airlines logo]()
$952
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:25 am -
2 stops16h 46m
Tue 10/271:45 pm -
1 stop15h 25m
Deal found 9/9![United Airlines logo]()
$969
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1710:25 am -
1 stop15h 31m
Tue 12/292:00 pm -
1 stop10h 55m
Deal found 9/10![United Airlines logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 am -
2 stops15h 10m
Fri 10/307:00 am -
1 stop18h 55m
Deal found 9/8![United Airlines logo]()
$1,052
Last-minute flights from Heathrow to LouisvilleDiscover last-minute flight deals from Heathrow to Louisville. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Louisville. Data last updated September 12, 2026 and is based on user searches.
This TravelUp deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:35 pm -
2 stops27h 35m
Sun 10/45:55 pm -
1 stop32h 20m
Deal found 9/11![Virgin Atlantic logo]()
$958
This Travcart deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:20 am -
1 stop14h 50m
Tue 10/275:57 pm -
1 stop13h 43m
Deal found 9/9![Virgin Atlantic logo]()
$957
This Globehunters deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 am -
1 stop14h 48m
Tue 10/131:25 pm -
1 stop12h 50m
Deal found 9/8![Lufthansa logo]()
$932
This Travcart deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:15 am -
1 stop12h 55m
Tue 10/135:57 pm -
1 stop12h 23m
Deal found 9/12![Virgin Atlantic logo]()
$936
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:40 am -
2 stops16h 51m
Sun 10/116:30 pm -
1 stop22h 05m
Deal found 9/12![United Airlines logo]()
$943
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:30 am -
2 stops16h 41m
Sun 10/181:25 pm -
1 stop27h 10m
Deal found 9/11![United Airlines logo]()
$950
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:50 am -
2 stops15h 50m
Sun 10/183:37 pm -
1 stop35h 08m
Deal found 9/10![United Airlines logo]()
$952
One-way flights from Heathrow to LouisvilleSearch for one-way flight options from Heathrow to Louisville. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Heathrow to Louisville. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 am -
2 stops18h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:05 am -
2 stops35h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$631
This Air Canada deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:10 am -
3 stops26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Air Canada logo]()
$660
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:05 pm -
1 stop29h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:05 am -
1 stop14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$760
This Air Canada deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:10 am -
3 stops26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Air Canada logo]()
$774
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:05 am -
3 stops54h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:45 am -
2 stops29h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$781
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:25 pm -
2 stops25h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Aer Lingus logo]()
$806
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:15 pm -
1 stop12h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$817
This WestJet deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:10 pm -
2 stops36h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![WestJet logo]()
$849
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $834 (Scandinavian Airlines) |
One-way from | $615 (United Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $1,083 |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Thu 10/29
8:00 am-6:32 pm
2 stops14h 32m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$703
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Tue 10/27
12:50 pm-5:37 pm
1 stop32h 47m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$760
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Wed 10/21
7:45 am-7:24 pm
2 stops16h 39m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$760
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Sun 10/11
11:05 am-12:54 pm
3 stops54h 49m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$775
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Sun 10/11
1:25 pm-9:32 am
2 stops25h 07m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$806
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Thu 10/22
10:00 am-7:55 pm
1 stop14h 55m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$817
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Sat 10/24
12:15 pm-11:27 pm
2 stops16h 12m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$817
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Tue 12/1
9:05 pm-9:51 pm
3 stops29h 46m
Louisville Intl
Tue 12/8
1:30 pm-6:30 pm
2 stops24h 00m
$834
Quickest round-trip
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Thu 10/8
12:00 pm-8:13 pm
1 stop13h 13m
Louisville Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$881
LondonLouisville
LHR London Heathrow - SDF Louisville Intl
LHRSDF
London Heathrow
Mon 10/12
7:30 am-7:11 pm
2 stops16h 41m
Louisville Intl
Sun 10/18
1:25 pm-9:35 pm
1 stop27h 10m
$950
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Louisville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
LHR-SDF
Estimated round-trip 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
What is the cheapest month to book a flight from London Heathrow Airport to Louisville?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of $831). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of $1,460). 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.
How much does it cost to fly round-trip from London Heathrow Airport to Louisville?
Airfare is below average for this route at the moment.
London Heathrow Airport to Louisville flights typically cost between $976 and $1,162 in December.The cheapest round-trip price found within the last 5 days was $834 on Scandinavian Airlines (Dec 1-Dec 8).
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Louisville flight routes
Other flight options
Other flights from Heathrow
Popular flights