$326+ Cheap flights from Louisville (SDF) to London (LON)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
Dec 4 — Dec 111
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 London
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Cheapest flights from Louisville to LondonExplore the most affordable flight options available from Louisville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Louisville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Orbitz deal was found by Cheapflights users on 11/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:13 am -
1 stop17h 22m
Wed 12/97:40 pm -
2 stops30h 57m
Deal found 11/4![Iberia logo]()
$906
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 pm -
1 stop10h 45m
Wed 12/911:00 am -
1 stop15h 37m
Deal found 11/4![British Airways logo]()
$927
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/302:10 pm -
1 stop12h 45m
Mon 12/711:05 am -
2 stops56h 46m
Deal found 10/31![United Airlines logo]()
$941
This Iberia deal was found by Cheapflights users on 10/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:08 am -
1 stop17h 27m
Tue 11/176:05 am -
2 stops20h 31m
Deal found 10/31![Iberia logo]()
$945
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:02 am -
2 stops17h 08m
Mon 12/77:30 pm -
2 stops27h 47m
Deal found 10/31![Multiple Airlines logo]()
$950
This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:01 am -
2 stops23h 54m
Mon 12/77:30 am -
2 stops19h 08m
Deal found 11/2![Iberia logo]()
$953
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:01 am -
1 stop17h 34m
Sun 12/67:05 pm -
2 stops31h 33m
Deal found 10/31![Iberia logo]()
$955
This Air Canada deal was found by Cheapflights users on 11/4. 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 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
Wed 12/91:00 pm -
2 stops15h 49m
Deal found 11/4![Multiple Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/410:37 am -
1 stop14h 18m
Tue 11/179:00 am -
2 stops18h 30m
Deal found 10/31![United Airlines logo]()
$971
This Justfly.com deal was found by Cheapflights users on 10/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops19h 10m
Mon 12/71:00 pm -
2 stops15h 49m
Deal found 10/31![Air Canada logo]()
$972
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 11/299:02 am -
1 stop15h 53m
Sun 12/66:50 am -
2 stops17h 45m
Deal found 10/31![United Airlines logo]()
$973
Best flights from Louisville to LondonDiscover carefully curated flight deals from Louisville to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Louisville to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 2/143:29 pm -
1 stop35h 11m
Wed 2/176:50 am -
2 stops17h 38m
Deal found 11/3![United Airlines logo]()
$774
This Expedia deal was found by Cheapflights users on 10/30. 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.
Sat 2/209:45 am -
2 stops30h 15m
Thu 2/259:30 am -
2 stops15h 03m
Deal found 10/30![Multiple Airlines logo]()
$863
This Justfly.com deal was found by Cheapflights users on 11/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/176:30 am -
2 stops20h 40m
Sun 3/2812:40 pm -
2 stops36h 20m
Deal found 11/3![Air Canada logo]()
$959
This British Airways deal was found by Cheapflights users on 10/30. 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.
Tue 3/166:55 pm -
1 stop10h 45m
Sat 4/1712:30 pm -
1 stop14h 00m
Deal found 10/30![British Airways logo]()
$976
This Delta deal was found by Cheapflights users on 11/3. 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.
Wed 3/173:24 pm -
2 stops15h 06m
Sun 3/281:25 pm -
1 stop12h 26m
Deal found 11/3![Delta logo]()
$1,012
This Scandinavian Airlines deal was found by Cheapflights users on 11/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:01 pm -
2 stops24h 29m
Fri 11/206:40 am -
2 stops22h 30m
Deal found 11/2![Scandinavian Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 3/28:30 am -
2 stops31h 30m
Fri 3/56:50 am -
2 stops15h 17m
Deal found 10/31![United Airlines logo]()
$889
This British Airways deal was found by Cheapflights users on 11/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/176:55 pm -
1 stop13h 05m
Sun 3/288:55 am -
1 stop17h 37m
Deal found 11/2![British Airways logo]()
$979
This Scandinavian Airlines deal was found by Cheapflights users on 11/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:30 pm -
3 stops18h 25m
Fri 11/206:40 am -
2 stops21h 13m
Deal found 11/2![Scandinavian Airlines logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/176:30 am -
1 stop23h 55m
Sun 3/285:40 pm -
2 stops28h 50m
Deal found 11/1![United Airlines logo]()
$964
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/145:40 am -
1 stop10h 40m
Fri 11/207:40 am -
1 stop19h 50m
Deal found 11/2![United Airlines logo]()
$1,052
Last-minute flights from Louisville to LondonDiscover last-minute flight deals from Louisville to London. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to London. Data last updated November 4, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 10/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:08 am -
1 stop17h 27m
Tue 11/176:05 am -
2 stops20h 31m
Deal found 10/31![Iberia logo]()
$945
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/410:37 am -
1 stop14h 18m
Tue 11/179:00 am -
2 stops18h 30m
Deal found 10/31![United Airlines logo]()
$971
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:01 am -
1 stop17h 34m
Sun 12/67:05 pm -
2 stops31h 33m
Deal found 10/31![Iberia logo]()
$955
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 11/299:02 am -
1 stop15h 53m
Sun 12/66:50 am -
2 stops17h 45m
Deal found 10/31![United Airlines logo]()
$973
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/302:10 pm -
1 stop12h 45m
Mon 12/711:05 am -
2 stops56h 46m
Deal found 10/31![United Airlines logo]()
$941
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:02 am -
2 stops17h 08m
Mon 12/77:30 pm -
2 stops27h 47m
Deal found 10/31![Multiple Airlines logo]()
$950
This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:01 am -
2 stops23h 54m
Mon 12/77:30 am -
2 stops19h 08m
Deal found 11/2![Iberia logo]()
$953
This Justfly.com deal was found by Cheapflights users on 10/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops19h 10m
Mon 12/71:00 pm -
2 stops15h 49m
Deal found 10/31![Air Canada logo]()
$972
This Orbitz deal was found by Cheapflights users on 11/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:13 am -
1 stop17h 22m
Wed 12/97:40 pm -
2 stops30h 57m
Deal found 11/4![Iberia logo]()
$906
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 pm -
1 stop10h 45m
Wed 12/911:00 am -
1 stop15h 37m
Deal found 11/4![British Airways logo]()
$927
This Air Canada deal was found by Cheapflights users on 11/4. 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 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
Wed 12/91:00 pm -
2 stops15h 49m
Deal found 11/4![Multiple Airlines logo]()
$968
One-way flights from Louisville to LondonSearch for one-way flight options from Louisville to London. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Louisville to London. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Expedia deal was found by Cheapflights users on 11/4. 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.
Mon 3/16:27 pm -
1 stop12h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![British Airways logo]()
$326
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/34:10 pm -
1 stop14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 11/3. 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 5/34:08 pm -
1 stop10h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 3/19:45 am -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$337
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/39:00 am -
2 stops28h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![British Airways logo]()
$342
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/219:00 am -
3 stops17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Air Canada logo]()
$346
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/19:37 am -
3 stops16h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Air Canada logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:37 pm -
2 stops43h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$409
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:30 am -
2 stops20h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Aer Lingus logo]()
$430
This Justfly.com deal was found by Cheapflights users on 11/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:14 pm -
2 stops19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Aer Lingus logo]()
$453
This Expedia deal was found by Cheapflights users on 11/3. 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.
Tue 11/174:35 pm -
1 stop14h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![British Airways logo]()
$462
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:30 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![British Airways logo]()
$464
Find flight deals from Louisville to London
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to London (LON). 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 November 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $773 (United Airlines) |
One-way from | $326 (Expedia) |
Popular in | June |
Cheapest in | January |
Average price | $1,258 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to London 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 November 4, 2026.
Use the filters below to find and compare flights from Louisville to London 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 3/1
9:45 am-8:25 am
2 stops17h 40m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$337
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 5/3
9:00 am-6:55 pm
2 stops28h 55m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$342
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 11/15
8:37 pm-9:35 pm
2 stops43h 58m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$409
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 11/24
7:30 am-9:05 am
2 stops20h 35m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$430
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 1/6
6:29 pm-3:35 pm
2 stops16h 06m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$430
Quickest round-trip
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 11/15
3:30 pm-9:40 am
1 stop13h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$464
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 11/24
1:17 pm-8:35 am
1 stop14h 18m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$472
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 2/14
3:29 pm-7:40 am
1 stop35h 11m
London Heathrow
Wed 2/17
6:50 am-7:28 pm
2 stops17h 38m
$774
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sat 2/20
9:45 am-9:00 pm
2 stops30h 15m
London Heathrow
Thu 2/25
9:30 am-7:33 pm
2 stops15h 03m
$863
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 3/2
8:30 am-9:00 pm
2 stops31h 30m
London Heathrow
Fri 3/5
6:50 am-5:07 pm
2 stops15h 17m
$889
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Louisville to London
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 London in November.
| 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 Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-London flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Louisville-London flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Louisville-London flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-London flights, Cheapflights users trust Ovago the most. Ovago 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 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 London
Have a flexible travel schedule? Discover the best time to fly to London from Louisville with our price prediction graph.
SDF-LON
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
SDF-LON
SDF-LHR
What is the cheapest month to book a flight from Louisville to London?
Currently, January is the cheapest month in which you can book a flight from Louisville to London (average of $782). Flying from Louisville to London in June is currently the most expensive (average of $1,345). 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?
Airfare is below average for this route at the moment.
Louisville to London flights typically cost between $1,085 and $1,283 in March.The cheapest round-trip price found within the last 5 days was $773 on United Airlines (Mar 2-Mar 5).
What’s the top layover airport for flights from Louisville to London?
Share of 1-stop round-trip flights from Louisville to London chosen by Cheapflights users in the past 12 months, using the same layover each way.
Charlotte (CLT) – chosen by Cheapflights users on 57% of 1-stop itineraries from Louisville to London on Cheapflights.
What’s the cheapest layover airport for flights from Louisville to London?
Average round-trip fare for 1-stop flights from Louisville to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of $1,257.
What’s the fastest layover option from Louisville to London?
Shortest average travel time for 1-stop one-way flights from Louisville to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 10h 10m.
Which airport typically offers the quickest layover for flights from Louisville to London?
Average layover duration for 1-stop one-way flights from Louisville to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 23m.
How far ahead should I book a flight from Louisville to London?
To ensure you get the cheapest price possible for a flight from Louisville to London, you should look to book at least 63 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.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated November 4, 2026.
Read through reviews of airlines operating flights from Louisville to London, such as Delta,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Louisville to London. 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?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford
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Other flights to London
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Top 4 airlines flying from Louisville to London
Discover the top 4 airlines that operate flights from Louisville to London. 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$450 | Average$1,224 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$606 | Average$1,115 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$1,058 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$743 | Average$1,142 | FlexibilityNo cancel fee | On-time69% |