$463+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Heathrow 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
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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 26, 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 26, 2026.
This Iberia deal was found by Cheapflights users on 8/21. 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 -
1 stop17h 05m
Fri 10/306:15 am -
2 stops19h 20m
Deal found 8/21![Iberia logo]()
$863
This Iberia deal was found by Cheapflights users on 8/24. 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 11/161:14 pm -
1 stop14h 21m
Wed 11/256:15 am -
2 stops20h 24m
Deal found 8/24![Iberia logo]()
$864
This Expedia deal was found by Cheapflights users on 8/25. 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.
Tue 11/1710:37 am -
2 stops15h 33m
Tue 11/2411:10 am -
2 stops16h 20m
Deal found 8/25![Multiple Airlines logo]()
$865
This Expedia deal was found by Cheapflights users on 8/21. 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.
Tue 11/101:22 pm -
1 stop17h 38m
Tue 11/1711:55 am -
1 stop14h 15m
Deal found 8/21![Finnair logo]()
$870
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/42:12 pm -
1 stop11h 43m
Thu 10/156:50 am -
2 stops15h 50m
Deal found 8/22![United Airlines logo]()
$888
This Expedia deal was found by Cheapflights users on 8/25. 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.
Fri 11/61:45 pm -
2 stops50h 15m
Fri 11/206:30 am -
2 stops15h 32m
Deal found 8/25![Multiple Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/711:15 am -
2 stops14h 15m
Wed 10/146:50 am -
2 stops15h 50m
Deal found 8/23![United Airlines logo]()
$891
This Expedia deal was found by Cheapflights users on 8/21. 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.
Thu 10/2212:46 pm -
1 stop17h 04m
Thu 10/297:40 pm -
2 stops29h 55m
Deal found 8/21![Iberia logo]()
$896
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/21![American Airlines logo]()
$897
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 26, 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 26, 2026.
This Iberia deal was found by Cheapflights users on 8/25. 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 11/161:14 pm -
2 stops19h 16m
Tue 11/247:30 am -
2 stops19h 09m
Deal found 8/25![Iberia logo]()
$872
This Finnair deal was found by Cheapflights users on 8/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:25 pm -
1 stop17h 45m
Tue 11/241:10 pm -
1 stop14h 20m
Deal found 8/25![Multiple Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/119:04 am -
1 stop16h 41m
Thu 10/227:30 am -
2 stops16h 41m
Deal found 8/22![United Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/87:00 am -
1 stop17h 55m
Thu 11/199:30 am -
2 stops16h 09m
Deal found 8/25![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/216:10 pm -
1 stop11h 15m
Mon 9/2811:05 am -
2 stops37h 06m
Deal found 8/24![United Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/176:18 pm -
1 stop11h 07m
Mon 11/2311:05 am -
2 stops36h 27m
Deal found 8/25![United Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/32:10 pm -
1 stop10h 45m
Tue 11/1710:25 am -
1 stop15h 27m
Deal found 8/25![United Airlines logo]()
$908
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/3011:15 am -
2 stops16h 20m
Tue 10/66:50 am -
2 stops15h 50m
Deal found 8/25![United Airlines logo]()
$918
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/26:15 am -
1 stop10h 10m
Fri 10/97:30 am -
2 stops16h 41m
Deal found 8/23![United Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/62:10 pm -
1 stop10h 45m
Thu 11/199:10 am -
1 stop13h 27m
Deal found 8/25![United Airlines logo]()
$958
Last-minute flights from Louisville to HeathrowDiscover last-minute flight deals from Louisville to Heathrow. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Heathrow. Data last updated August 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/216:15 pm -
1 stop12h 40m
Thu 10/16:50 am -
2 stops17h 21m
Deal found 8/22![United Airlines logo]()
$888
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/21![American Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/216:10 pm -
1 stop11h 15m
Mon 9/2811:05 am -
2 stops37h 06m
Deal found 8/24![United Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/216:00 am -
1 stop23h 40m
Fri 10/25:40 pm -
2 stops30h 31m
Deal found 8/23![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/216:15 pm -
1 stop12h 40m
Tue 9/298:30 am -
2 stops15h 41m
Deal found 8/22![United Airlines logo]()
$916
This Air Canada deal was found by Cheapflights users on 8/22. 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 9/2210:45 am -
2 stops14h 45m
Wed 9/305:40 pm -
2 stops31h 51m
Deal found 8/22![Air Canada logo]()
$906
This Air Canada deal was found by Cheapflights users on 8/22. 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 9/236:00 am -
2 stops21h 35m
Wed 9/305:40 pm -
2 stops31h 51m
Deal found 8/22![Air Canada logo]()
$902
This Expedia deal was found by Cheapflights users on 8/25. 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.
Thu 9/241:22 pm -
1 stop18h 28m
Thu 10/18:55 am -
1 stop17h 36m
Deal found 8/25![Finnair logo]()
$910
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/306:03 pm -
1 stop13h 12m
Tue 10/63:00 pm -
1 stop13h 17m
Deal found 8/25![American Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/301:25 pm -
1 stop11h 30m
Fri 10/97:30 am -
2 stops16h 41m
Deal found 8/23![United Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/301:50 pm -
1 stop11h 55m
Thu 10/83:20 pm -
1 stop13h 21m
Deal found 8/22![United Airlines logo]()
$917
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 26, 2026.
Search for one-way flight options from Louisville to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/25![United Airlines logo]()
$463
This Air Canada deal was found by Cheapflights users on 8/21. 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.
Sun 9/209:00 am -
3 stops16h 30m
Deal found 8/21![Air Canada logo]()
$475
This Air Canada deal was found by Cheapflights users on 8/25. 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.
Sat 10/101:50 pm -
3 stops17h 00m
Deal found 8/25![Air Canada logo]()
$522
This British Airways deal was found by Cheapflights users on 8/23. 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.
Wed 9/27:12 pm -
1 stop11h 58m
Deal found 8/23![British Airways logo]()
$558
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 9/46:30 pm -
1 stop11h 45m
Deal found 8/24![American Airlines logo]()
$608
This FlightHub deal was found by Cheapflights users on 8/24. 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.
Fri 9/46:30 pm -
2 stops40h 30m
Deal found 8/24![Aer Lingus logo]()
$619
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/110:43 am -
1 stop17h 37m
Deal found 8/24![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/25:15 am -
2 stops20h 15m
Deal found 8/24![United Airlines logo]()
$624
This Air Canada deal was found by Cheapflights users on 8/21. 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 9/21:50 pm -
3 stops17h 00m
Deal found 8/21![Air Canada logo]()
$629
This United Airlines deal was found by Cheapflights users on 8/24. 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 8/315:45 pm -
1 stop32h 00m
Deal found 8/24![United Airlines logo]()
$633
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 9/27:55 am -
1 stop18h 15m
Deal found 8/21![Delta logo]()
$647
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $863 (Iberia) |
One-way from | $463 (United Airlines) |
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 7,457,451 searches. Data last updated August 26, 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
1:14 pm-1:30 pm
2 stops19h 16m
London Heathrow
Tue 11/24
7:30 am-9:39 pm
2 stops19h 09m
$872
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 11/16
1:25 pm-12:10 pm
1 stop17h 45m
London Heathrow
Tue 11/24
1:10 pm-10:30 pm
1 stop14h 20m
$898
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 10/11
9:04 am-6:45 am
1 stop16h 41m
London Heathrow
Thu 10/22
7:30 am-7:11 pm
2 stops16h 41m
$899
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 11/8
7:00 am-5:55 am
1 stop17h 55m
London Heathrow
Thu 11/19
9:30 am-8:39 pm
2 stops16h 09m
$900
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 9/21
6:10 pm-10:25 am
1 stop11h 15m
London Heathrow
Mon 9/28
11:05 am-7:11 pm
2 stops37h 06m
$901
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 11/17
6:18 pm-10:25 am
1 stop11h 07m
London Heathrow
Mon 11/23
11:05 am-6:32 pm
2 stops36h 27m
$901
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 11/3
2:10 pm-5:55 am
1 stop10h 45m
London Heathrow
Tue 11/17
10:25 am-8:52 pm
1 stop15h 27m
$908
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 9/30
11:15 am-8:35 am
2 stops16h 20m
London Heathrow
Tue 10/6
6:50 am-5:40 pm
2 stops15h 50m
$918
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Fri 10/2
6:15 am-9:25 pm
1 stop10h 10m
London Heathrow
Fri 10/9
7:30 am-7:11 pm
2 stops16h 41m
$949
Quickest round-trip
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Fri 11/6
2:10 pm-5:55 am
1 stop10h 45m
London Heathrow
Thu 11/19
9:10 am-5:37 pm
1 stop13h 27m
$958
Showing 1-10 of 15 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 $886 and $1,118 in October.The cheapest round-trip price found within the last 5 days was $863 on Iberia (Oct 20-Oct 30).
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 26, 2026.
See what other customers who have flown with Delta,United Airlines, andVirgin Atlantic 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.
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Louisville to Heathrow. 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 London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Winchester
Gatwick
Hounslow
Harrow
Eastleigh
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
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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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$588 | Average$992 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$598 | Average$774 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$1,106 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$999 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$705 | Average$1,131 | FlexibilityNo cancel fee | On-time69% |