$322+ Cheap flights from Louisville (SDF) to Heathrow (LHR)
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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Heathrow with Cheapflights
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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
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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 Louisville to Heathrow
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Cheapest flights from Louisville to HeathrowExplore the most affordable flight options available from Louisville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Louisville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/162:10 pm -
1 stop12h 45m
Wed 11/186:50 am -
2 stops19h 02m
Deal found 8/13![United Airlines logo]()
$775
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:19 pm -
1 stop13h 56m
Wed 10/287:35 am -
2 stops18h 00m
Deal found 8/9![Iberia logo]()
$836
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:03 am -
1 stop17h 32m
Mon 11/233:00 pm -
2 stops35h 39m
Deal found 8/12![Iberia logo]()
$847
This Iberia deal was found by Cheapflights users on 8/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:29 am -
1 stop19h 21m
Wed 9/306:15 am -
2 stops21h 18m
Deal found 8/10![Iberia logo]()
$861
This Iberia deal was found by Cheapflights users on 8/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:35 pm -
1 stop11h 00m
Fri 11/66:15 am -
2 stops20h 22m
Deal found 8/11![Iberia logo]()
$862
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:37 am -
2 stops15h 33m
Wed 11/1111:10 am -
2 stops17h 20m
Deal found 8/13![Multiple Airlines logo]()
$863
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:21 pm -
1 stop18h 29m
Wed 10/288:20 am -
1 stop19h 07m
Deal found 8/9![Finnair logo]()
$868
This Iberia deal was found by Cheapflights users on 8/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:45 pm -
2 stops16h 50m
Thu 10/297:30 am -
2 stops18h 05m
Deal found 8/12![Iberia logo]()
$870
This Justfly.com deal was found by Cheapflights users on 8/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:35 pm -
1 stop11h 40m
Mon 11/167:05 pm -
2 stops22h 37m
Deal found 8/10![British Airways logo]()
$879
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/2210:45 am -
2 stops14h 45m
Wed 9/306:50 am -
2 stops15h 50m
Deal found 8/10![United Airlines logo]()
$889
Best flights from Louisville to HeathrowDiscover carefully curated flight deals from Louisville to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Louisville to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/162:10 pm -
1 stop12h 45m
Wed 11/186:50 am -
2 stops19h 02m
Deal found 8/13![United Airlines logo]()
$775
This British Airways deal was found by Cheapflights users on 8/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:59 pm -
1 stop11h 51m
Fri 10/22:25 pm -
1 stop13h 08m
Deal found 8/9![British Airways logo]()
$895
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:09 am -
1 stop18h 06m
Fri 10/28:40 am -
2 stops16h 53m
Deal found 8/9![Delta logo]()
$920
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Wed 1/2710:00 am -
1 stop15h 40m
Thu 2/43:10 pm -
1 stop13h 05m
Deal found 8/9![United Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 8/13. 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 12/302:45 pm -
1 stop10h 55m
Wed 1/611:05 am -
2 stops34h 44m
Deal found 8/13![United Airlines logo]()
$929
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/246:15 am -
1 stop10h 05m
Thu 10/16:50 am -
2 stops15h 50m
Deal found 8/10![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/161:07 pm -
1 stop13h 08m
Wed 9/306:50 am -
2 stops15h 50m
Deal found 8/10![United Airlines logo]()
$965
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/810:40 am -
2 stops14h 50m
Tue 9/156:50 am -
2 stops15h 27m
Deal found 8/10![United Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 11/72:15 pm -
2 stops15h 35m
Fri 11/1311:05 am -
2 stops34h 55m
Deal found 8/13![United Airlines logo]()
$1,004
This United Airlines deal was found by Cheapflights users on 8/11. 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 11/66:00 am -
1 stop10h 20m
Sun 11/1512:50 pm -
1 stop12h 49m
Deal found 8/11![United Airlines logo]()
$1,015
Last-minute flights from Louisville to HeathrowDiscover last-minute flight deals from Louisville to Heathrow. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Heathrow. Data last updated August 14, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 8/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 pm -
1 stop12h 45m
Tue 9/156:15 am -
2 stops21h 18m
Deal found 8/10![Iberia logo]()
$926
This Iberia deal was found by Cheapflights users on 8/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:41 pm -
1 stop11h 59m
Tue 9/226:15 am -
2 stops21h 18m
Deal found 8/11![Iberia logo]()
$927
This British Airways deal was found by Cheapflights users on 8/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:59 pm -
1 stop11h 51m
Fri 10/22:25 pm -
1 stop13h 08m
Deal found 8/10![British Airways logo]()
$895
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:51 pm -
1 stop10h 09m
Fri 10/29:15 am -
1 stop14h 55m
Deal found 8/13![American Airlines logo]()
$896
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:04 am -
1 stop15h 11m
Fri 10/26:30 am -
2 stops17h 44m
Deal found 8/12![Delta logo]()
$920
This Iberia deal was found by Cheapflights users on 8/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:29 am -
1 stop19h 21m
Wed 9/306:15 am -
2 stops21h 18m
Deal found 8/10![Iberia logo]()
$861
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/2210:45 am -
2 stops14h 45m
Wed 9/306:50 am -
2 stops15h 50m
Deal found 8/10![United Airlines logo]()
$889
This Air Canada deal was found by Cheapflights users on 8/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:00 am -
3 stops16h 30m
Wed 9/309:30 am -
2 stops15h 43m
Deal found 8/10![Multiple Airlines logo]()
$930
This Travelocity deal was found by Cheapflights users on 8/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:29 am -
1 stop16h 11m
Mon 9/288:00 pm -
2 stops31h 33m
Deal found 8/13![Iberia logo]()
$923
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/276:15 am -
1 stop10h 05m
Sun 10/46:50 am -
2 stops17h 21m
Deal found 8/13![United Airlines logo]()
$936
One-way flights from Louisville to HeathrowSearch for one-way flight options from Louisville to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Louisville to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:14 pm -
1 stop16h 11m
Deal found 8/14![British Airways logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/14. 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 12/210:00 am -
2 stops14h 55m
Deal found 8/14![United Airlines logo]()
$348
This Air Canada deal was found by Cheapflights users on 8/14. 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 12/29:00 am -
3 stops17h 10m
Deal found 8/14![Air Canada logo]()
$360
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:30 pm -
1 stop10h 40m
Deal found 8/14![British Airways logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/14. 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 12/312:20 pm -
2 stops15h 50m
Deal found 8/14![United Airlines logo]()
$398
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Thu 12/39:00 am -
3 stops17h 10m
Deal found 8/14![Air Canada logo]()
$410
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:03 am -
2 stops27h 57m
Deal found 8/14![Aer Lingus logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:04 am -
2 stops20h 01m
Deal found 8/10![WestJet logo]()
$444
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:47 pm -
1 stop11h 23m
Deal found 8/14![Virgin Atlantic logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/106:30 pm -
1 stop21h 10m
Deal found 8/12![United Airlines logo]()
$463
Find flight deals from Louisville to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Heathrow (LHR). 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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $775 (United Airlines) |
One-way from | $322 (Expedia) |
Popular in | July |
Cheapest in | February |
Average price | $992 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Heathrow 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 2,558,603 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Louisville to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 11/16
2:10 pm-7:55 am
1 stop12h 45m
London Heathrow
Wed 11/18
6:50 am-8:52 pm
2 stops19h 02m
$775
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 9/21
5:59 pm-10:50 am
1 stop11h 51m
London Heathrow
Fri 10/2
2:25 pm-10:33 pm
1 stop13h 08m
$895
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 9/21
8:09 am-7:15 am
1 stop18h 06m
London Heathrow
Fri 10/2
8:40 am-8:33 pm
2 stops16h 53m
$920
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 1/27
10:00 am-6:40 am
1 stop15h 40m
London Heathrow
Thu 2/4
3:10 pm-11:15 pm
1 stop13h 05m
$924
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 12/30
2:45 pm-6:40 am
1 stop10h 55m
London Heathrow
Wed 1/6
11:05 am-4:49 pm
2 stops34h 44m
$929
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Thu 9/24
6:15 am-9:20 pm
1 stop10h 05m
London Heathrow
Thu 10/1
6:50 am-5:40 pm
2 stops15h 50m
$936
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 9/16
1:07 pm-7:15 am
1 stop13h 08m
London Heathrow
Wed 9/30
6:50 am-5:40 pm
2 stops15h 50m
$965
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 9/8
10:40 am-6:30 am
2 stops14h 50m
London Heathrow
Tue 9/15
6:50 am-5:17 pm
2 stops15h 27m
$968
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sat 11/7
2:15 pm-10:50 am
2 stops15h 35m
London Heathrow
Fri 11/13
11:05 am-5:00 pm
2 stops34h 55m
$1,004
Quickest round-trip
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Fri 11/6
6:00 am-9:20 pm
1 stop10h 20m
London Heathrow
Sun 11/15
12:50 pm-8:39 pm
1 stop12h 49m
$1,015
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Louisville to Heathrow
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 Louisville to Heathrow in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Louisville-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-London Heathrow Airport 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 Louisville-London Heathrow Airport 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 Louisville to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Louisville with our price prediction graph.
SDF-LHR
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 Louisville to London Heathrow Airport
What is the cheapest month to book a flight from Louisville to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Louisville to London Heathrow Airport (average of $630). Flying from Louisville to London Heathrow Airport in July is currently the most expensive (average of $1,355). 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 Louisville to London Heathrow Airport?
Airfare is below average for this route at the moment.
Louisville to London Heathrow Airport flights typically cost between $930 and $1,178 in November.The cheapest round-trip price found within the last 5 days was $775 on United Airlines (Nov 16-Nov 18).
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated August 14, 2026.
See what other customers who have flown with KLM,Delta, andUnited Airlines from Louisville to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Entertainment
7.2
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Entertainment
7.2
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
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Top 5 airlines flying from Louisville to Heathrow
Discover the top 5 airlines that operate flights from Louisville to Heathrow. 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$574 | Average$716 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$588 | Average$978 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$606 | Average$1,106 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$992 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$705 | Average$1,131 | FlexibilityNo cancel fee | On-time69% |