$469+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Jun 14 — Jun 211
Round-trip
1 adult, Economy
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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 May 15, 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 May 15, 2026.
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 11/107:30 am
SDF
- LHR
1 stop19h 25m
United Airlines
Thu 11/126:50 am
LHR
- SDF
2 stops14h 59m
United Airlines
Deal found 5/12![United Airlines logo]()
$838
This Iberia deal was found by Cheapflights users on 5/11. 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 9/97:07 pm
SDF
- LHR
1 stop10h 43m
Iberia
Tue 9/227:50 am
LHR
- SDF
2 stops20h 08m
Iberia
Deal found 5/11![Iberia logo]()
$868
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:00 pm
SDF
- LHR
2 stops15h 20m
Scandinavian Airlines
Sun 10/256:40 am
LHR
- SDF
2 stops21h 22m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$877
This Justfly.com deal was found by Cheapflights users on 5/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:24 pm
SDF
- LHR
2 stops19h 36m
Scandinavian Airlines
Fri 10/306:40 am
LHR
- SDF
2 stops21h 22m
Scandinavian Airlines
Deal found 5/12![Scandinavian Airlines logo]()
$878
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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.
Wed 11/113:24 pm
SDF
- LHR
2 stops21h 16m
Scandinavian Airlines
Wed 11/186:40 am
LHR
- SDF
2 stops20h 55m
Scandinavian Airlines
Deal found 5/12![Scandinavian Airlines logo]()
$879
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:24 pm
SDF
- LHR
2 stops25h 16m
Scandinavian Airlines
Wed 11/116:40 am
LHR
- SDF
2 stops22h 22m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$880
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:00 pm
SDF
- LHR
3 stops20h 35m
Scandinavian Airlines
Fri 11/206:40 am
LHR
- SDF
2 stops22h 22m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$886
This FlightHub deal was found by Cheapflights users on 5/14. 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 9/98:04 pm
SDF
- LHR
1 stop11h 06m
British Airways
Tue 9/226:15 am
LHR
- SDF
2 stops21h 43m
British Airways
Deal found 5/14![British Airways logo]()
$888
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:58 pm
SDF
- LHR
1 stop12h 27m
British Airways
Fri 10/306:15 am
LHR
- SDF
2 stops17h 28m
British Airways
Deal found 5/12![British Airways 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 May 15, 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 May 15, 2026.
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 7/301:37 pm
SDF
- LHR
1 stop12h 38m
United Airlines
Wed 8/129:30 am
LHR
- SDF
2 stops14h 37m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,097
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:34 pm
SDF
- LHR
1 stop11h 36m
Delta
Thu 5/288:40 am
LHR
- SDF
2 stops15h 28m
Delta
Deal found 5/14![Delta logo]()
$1,148
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 7/1812:20 pm
SDF
- LHR
2 stops37h 10m
United Airlines
Mon 7/279:30 am
LHR
- SDF
2 stops29h 53m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,130
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:17 am
SDF
- LHR
1 stop14h 58m
Delta
Sun 8/29:20 am
LHR
- SDF
1 stop16h 58m
Delta
Deal found 5/14![Delta logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 5/13. 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 7/51:05 pm
SDF
- LHR
1 stop13h 10m
United Airlines
Sun 7/197:45 am
LHR
- SDF
1 stop17h 40m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,198
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Sat 7/1112:20 pm
SDF
- LHR
2 stops37h 10m
United Airlines
Sun 7/198:00 am
LHR
- SDF
1 stop14h 03m
United Airlines
Deal found 5/10![United Airlines logo]()
$1,201
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/16:30 am
SDF
- LHR
1 stop9h 55m
United Airlines
Sat 8/89:30 am
LHR
- SDF
1 stop15h 55m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,201
Last-minute flights from Louisville to HeathrowDiscover last-minute flight deals from Louisville to Heathrow. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Heathrow. Data last updated May 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/138:47 am
SDF
- LHR
1 stop16h 08m
United Airlines
Wed 5/206:50 am
LHR
- SDF
2 stops15h 10m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,053
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sun 5/179:10 am
SDF
- LHR
1 stop16h 35m
United Airlines
Wed 6/36:50 am
LHR
- SDF
2 stops15h 13m
United Airlines
Deal found 5/11![United Airlines logo]()
$1,069
This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:43 am
SDF
- LHR
1 stop16h 12m
British Airways
Wed 6/38:55 am
LHR
- SDF
1 stop15h 05m
British Airways
Deal found 5/11![British Airways logo]()
$1,097
This Air Canada deal was found by Cheapflights users on 5/14. 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.
Tue 5/198:47 am
SDF
- LHR
2 stops16h 43m
Air Canada
Thu 5/282:05 pm
LHR
- SDF
2 stops27h 16m
Air Canada
Deal found 5/14![Air Canada logo]()
$1,081
This oojo deal was found by Cheapflights users on 5/14. 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.
Tue 5/194:35 pm
SDF
- LHR
1 stop10h 25m
British Airways
Thu 5/283:00 pm
LHR
- SDF
1 stop14h 28m
British Airways
Deal found 5/14![British Airways logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/206:00 am
SDF
- LHR
1 stop20h 45m
United Airlines
Fri 6/1910:25 am
LHR
- SDF
1 stop17h 29m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,098
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 May 15, 2026.
Search for one-way flight options from Louisville to Heathrow. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:43 am
SDF
- LHR
2 stops21h 22m
Aer Lingus
Deal found 5/10![Aer Lingus logo]()
$469
This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:55 pm
SDF
- LHR
2 stops40h 05m
Aer Lingus
Deal found 5/14![Aer Lingus logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 am
SDF
- LHR
3 stops46h 10m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Wed 7/812:16 pm
SDF
- LHR
3 stops27h 04m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:20 pm
SDF
- LHR
3 stops49h 35m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$566
This Ovago deal was found by Cheapflights users on 5/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:33 am
SDF
- LHR
1 stop16h 22m
British Airways
Deal found 5/10![British Airways logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:49 pm
SDF
- LHR
3 stops37h 11m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$600
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:43 am
SDF
- LHR
2 stops22h 27m
Aer Lingus
Deal found 5/14![Aer Lingus logo]()
$603
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/44:16 pm
SDF
- LHR
1 stop21h 39m
British Airways
Deal found 5/14![British Airways logo]()
$613
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:27 pm
SDF
- LHR
2 stops20h 33m
Aer Lingus
Deal found 5/14![Aer Lingus logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:21 am
SDF
- LHR
3 stops29h 59m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$664
This Thrive Travel deal was found by Cheapflights users on 5/14. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:18 pm
SDF
- LHR
1 stop11h 57m
British Airways
Deal found 5/14![British Airways logo]()
$668
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 May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $897 (oojo) |
One-way from | $469 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $1,172 |
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 May 15, 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 - LHR
SDFLHR
Louisville Intl
Thu 7/30
1:37 pm-7:15 am
1 stop12h 38m
London Heathrow
Wed 8/12
9:30 am-7:07 pm
2 stops14h 37m
$1,097
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sat 7/18
12:20 pm-6:30 am
2 stops37h 10m
London Heathrow
Mon 7/27
9:30 am-10:23 am
2 stops29h 53m
$1,130
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Tue 5/19
2:34 pm-7:10 am
1 stop11h 36m
London Heathrow
Thu 5/28
8:40 am-7:08 pm
2 stops15h 28m
$1,148
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Mon 7/27
11:17 am-7:15 am
1 stop14h 58m
London Heathrow
Sun 8/2
9:20 am-9:18 pm
1 stop16h 58m
$1,185
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sun 7/5
1:05 pm-7:15 am
1 stop13h 10m
London Heathrow
Sun 7/19
7:45 am-8:25 pm
1 stop17h 40m
$1,198
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sat 7/11
12:20 pm-6:30 am
2 stops37h 10m
London Heathrow
Sun 7/19
8:00 am-5:03 pm
1 stop14h 03m
$1,201
Quickest round-trip
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sat 8/1
6:30 am-9:25 pm
1 stop9h 55m
London Heathrow
Sat 8/8
9:30 am-8:25 pm
1 stop15h 55m
$1,201
Cheapest one-way
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sun 6/14
6:00 am-9:10 am
3 stops46h 10m
$503
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Wed 7/8
10:33 am-7:55 am
1 stop16h 22m
$597
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Wed 6/10
7:18 pm-12:15 pm
1 stop11h 57m
$668
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 May.
| 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
How far ahead should I book a flight from Louisville to London Heathrow Airport?
To ensure you get the cheapest price possible for a flight from Louisville to London Heathrow Airport, you should look to book at least 68 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 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 $619). Flying from Louisville to London Heathrow Airport in June is currently the most expensive (average of $1,301). 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?
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 May 15, 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
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
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Alternative routes for Louisville to Heathrow
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Search flights from Louisville to Heathrow by cabin class
Find flights from Louisville to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 15, 2026.
Louisville and Heathrow flights
Browse other Louisville and Heathrow flight options. Last updated on May 15, 2026.
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Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on May 15, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Louisville to Heathrow
Discover the top 6 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 May 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$574 | Average$630 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$577 | Average$799 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$588 | Average$859 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$589 | Average$948 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$1,107 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$678 | Average$1,107 | FlexibilityNo cancel fee | On-time69% |