$324+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Sep 4 — Sep 111
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
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 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 5, 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 5, 2026.
This United Airlines deal was found by Cheapflights users on 8/2. 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 11/16:30 pm -
1 stop11h 35m
Tue 11/36:50 am -
2 stops15h 07m
Deal found 8/2![United Airlines logo]()
$774
This Expedia deal was found by Cheapflights users on 8/4. 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 10/285:35 pm -
1 stop12h 50m
Fri 11/67:30 am -
2 stops19h 07m
Deal found 8/4![Iberia logo]()
$836
This Iberia deal was found by Cheapflights users on 8/1. 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 10/196:14 pm -
1 stop13h 01m
Wed 10/286:15 am -
2 stops19h 20m
Deal found 8/1![Iberia logo]()
$860
This Iberia deal was found by Cheapflights users on 8/3. 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 9/215:59 pm -
1 stop13h 16m
Tue 10/66:15 am -
2 stops20h 20m
Deal found 8/3![Iberia logo]()
$864
This Expedia deal was found by Cheapflights users on 8/3. 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 9/306:03 pm -
1 stop13h 12m
Mon 10/58:00 pm -
2 stops30h 35m
Deal found 8/3![Iberia logo]()
$872
This Justfly.com deal was found by Cheapflights users on 8/1. 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 8/1![British Airways logo]()
$878
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 5, 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 5, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. 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 11/161:45 pm -
1 stop15h 40m
Wed 11/186:50 am -
2 stops16h 42m
Deal found 8/3![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 8/2. 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 9/13:25 pm -
1 stop10h 50m
Tue 9/86:15 am -
2 stops15h 56m
Deal found 8/2![Delta logo]()
$971
This Icelandair deal was found by Cheapflights users on 8/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:40 pm -
2 stops22h 40m
Thu 9/101:05 pm -
2 stops14h 35m
Deal found 8/4![Multiple Airlines logo]()
$1,006
This United Airlines deal was found by Cheapflights users on 8/2. 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 11/16:30 pm -
1 stop11h 35m
Tue 11/36:50 am -
2 stops15h 07m
Deal found 8/2![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 9/252:47 pm -
2 stops14h 33m
Mon 9/289:55 am -
2 stops15h 38m
Deal found 8/3![Delta logo]()
$1,019
This Icelandair deal was found by Cheapflights users on 8/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:40 am -
2 stops18h 10m
Wed 1/68:35 pm -
2 stops30h 30m
Deal found 8/4![Multiple Airlines logo]()
$1,036
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/308:55 am -
1 stop16h 00m
Wed 1/65:30 pm -
2 stops31h 44m
Deal found 7/31![United Airlines logo]()
$945
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 9/2011:04 am -
2 stops15h 06m
Sat 10/39:20 am -
1 stop12h 51m
Deal found 7/31![Delta logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 8/3. 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 11/1111:15 am -
2 stops14h 55m
Sun 11/156:50 am -
2 stops16h 42m
Deal found 8/3![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/911:00 am -
2 stops16h 35m
Wed 9/166:50 am -
2 stops15h 48m
Deal found 7/31![United Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/31:25 pm -
1 stop11h 30m
Sat 10/106:50 am -
2 stops15h 50m
Deal found 8/2![United Airlines logo]()
$985
Last-minute flights from Louisville to HeathrowDiscover last-minute flight deals from Louisville to Heathrow. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Heathrow. Data last updated August 5, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 8/3. 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 9/215:59 pm -
1 stop13h 16m
Tue 10/66:15 am -
2 stops20h 20m
Deal found 8/3![Iberia logo]()
$864
This Delta deal was found by Cheapflights users on 7/31. 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 7/31![Delta logo]()
$884
This Delta deal was found by Cheapflights users on 8/3. 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 9/211:15 pm -
2 stops13h 25m
Tue 10/68:40 am -
2 stops17h 33m
Deal found 8/3![Delta logo]()
$893
This oojo deal was found by Cheapflights users on 8/4. 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.
Mon 9/215:59 pm -
1 stop11h 51m
Fri 10/22:25 pm -
1 stop13h 08m
Deal found 8/4![British Airways logo]()
$894
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/2112:38 pm -
1 stop13h 17m
Tue 10/61:10 pm -
1 stop13h 25m
Deal found 8/3![American Airlines logo]()
$898
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 9/2512:39 pm -
2 stops15h 41m
Sun 9/276:40 am -
3 stops20h 19m
Deal found 7/31![Scandinavian Airlines logo]()
$911
This Delta deal was found by Cheapflights users on 8/3. 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 9/287:55 pm -
1 stop12h 20m
Thu 10/83:15 pm -
1 stop13h 44m
Deal found 8/3![Delta logo]()
$914
This Expedia deal was found by Cheapflights users on 8/3. 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 9/306:03 pm -
1 stop13h 12m
Mon 10/58:00 pm -
2 stops30h 35m
Deal found 8/3![Iberia logo]()
$872
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 5, 2026.
Search for one-way flight options from Louisville to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This oojo deal was found by Cheapflights users on 8/3. 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 11/101:22 pm -
1 stop12h 28m
Deal found 8/3![British Airways logo]()
$324
This Travelocity deal was found by Cheapflights users on 8/3. 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.
Tue 11/101:14 pm -
2 stops17h 51m
Deal found 8/3![Iberia logo]()
$339
This Expedia deal was found by Cheapflights users on 8/3. 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 1/87:32 pm -
2 stops44h 28m
Deal found 8/3![Air Canada logo]()
$352
This Air Canada deal was found by Cheapflights users on 8/3. 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 11/109:02 am -
3 stops17h 08m
Deal found 8/3![Air Canada logo]()
$360
This Expedia deal was found by Cheapflights users on 8/3. 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 1/86:32 pm -
1 stop12h 28m
Deal found 8/3![British Airways logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/39:11 pm -
3 stops38h 54m
Deal found 8/2![Multiple Airlines logo]()
$414
This FlightHub deal was found by Cheapflights users on 8/2. 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 9/164:35 pm -
2 stops21h 20m
Deal found 8/2![Aer Lingus logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/4![United Airlines logo]()
$463
This FlightHub deal was found by Cheapflights users on 8/2. 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.
Sat 10/31:25 pm -
2 stops36h 05m
Deal found 8/2![Air Canada logo]()
$467
This Air Canada deal was found by Cheapflights users on 8/2. 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 9/169:00 am -
3 stops16h 30m
Deal found 8/2![Air Canada logo]()
$475
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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $774 (United Airlines) |
One-way from | $324 (oojo) |
Popular in | July |
Cheapest in | February |
Average price | $987 |
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 5, 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
Mon 11/16
1:45 pm-10:25 am
1 stop15h 40m
London Heathrow
Wed 11/18
6:50 am-6:32 pm
2 stops16h 42m
$774
Quickest round-trip
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sun 11/1
6:30 pm-11:05 am
1 stop11h 35m
London Heathrow
Tue 11/3
6:50 am-4:57 pm
2 stops15h 07m
$774
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Wed 12/30
8:55 am-5:55 am
1 stop16h 00m
London Heathrow
Wed 1/6
5:30 pm-8:14 pm
2 stops31h 44m
$945
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Wed 11/11
11:15 am-7:10 am
2 stops14h 55m
London Heathrow
Sun 11/15
6:50 am-6:32 pm
2 stops16h 42m
$957
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Wed 9/9
11:00 am-8:35 am
2 stops16h 35m
London Heathrow
Wed 9/16
6:50 am-5:38 pm
2 stops15h 48m
$962
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Tue 9/1
3:25 pm-7:15 am
1 stop10h 50m
London Heathrow
Tue 9/8
6:15 am-5:11 pm
2 stops15h 56m
$971
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sat 10/3
1:25 pm-5:55 am
1 stop11h 30m
London Heathrow
Sat 10/10
6:50 am-5:40 pm
2 stops15h 50m
$985
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Sun 9/6
4:40 pm-8:20 pm
2 stops22h 40m
London Heathrow
Thu 9/10
1:05 pm-10:40 pm
2 stops14h 35m
$1,006
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Fri 9/25
2:47 pm-10:20 am
2 stops14h 33m
London Heathrow
Mon 9/28
9:55 am-8:33 pm
2 stops15h 38m
$1,019
LouisvilleLondon
SDF - LHR
SDFLHR
Louisville Intl
Wed 12/30
11:40 am-10:50 am
2 stops18h 10m
London Heathrow
Wed 1/6
8:35 pm-10:05 pm
2 stops30h 30m
$1,036
Showing 1-10 of 19 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 $847 and $1,178 in November.The cheapest round-trip price found within the last 5 days was $774 on United Airlines (Nov 1-Nov 3).
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 5, 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
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - 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
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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.
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Complete your trip
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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 August 5, 2026.
Louisville and Heathrow flights
Browse other Louisville and Heathrow flight options. Last updated on August 5, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on August 5, 2026.
Popular flight searches
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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$450 | Average$859 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$574 | Average$716 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$580 | Average$774 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$1,106 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$992 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$705 | Average$1,091 | FlexibilityNo cancel fee | On-time69% |