$359+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to London 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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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 September 15, 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 September 15, 2026.
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:20 pm -
1 stop12h 25m
Tue 11/248:55 am -
1 stop12h 59m
Deal found 9/13![Virgin Atlantic logo]()
$738
This Goibibo deal was found by Cheapflights users on 9/11. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:59 pm -
1 stop12h 16m
Wed 10/2811:20 am -
1 stop13h 53m
Deal found 9/11![Virgin Atlantic logo]()
$753
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 am -
1 stop18h 20m
Fri 10/28:40 am -
2 stops15h 34m
Deal found 9/11![Delta logo]()
$758
This Virgin Atlantic deal was found by Cheapflights users on 9/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:59 pm -
2 stops13h 46m
Wed 11/411:30 am -
2 stops16h 17m
Deal found 9/13![Virgin Atlantic logo]()
$763
This KLM deal was found by Cheapflights users on 9/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:47 pm -
1 stop11h 23m
Fri 10/211:15 am -
1 stop15h 44m
Deal found 9/11![KLM logo]()
$765
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/3011:04 am -
2 stops14h 41m
Fri 10/911:15 am -
1 stop14h 20m
Deal found 9/14![Delta logo]()
$770
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:26 pm -
1 stop12h 34m
Thu 11/1210:50 am -
1 stop13h 24m
Deal found 9/12![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:50 pm -
1 stop13h 00m
Thu 10/298:10 pm -
1 stop19h 00m
Deal found 9/11![Delta logo]()
$791
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:53 am -
2 stops16h 17m
Fri 10/306:20 am -
2 stops20h 31m
Deal found 9/11![Delta logo]()
$801
This Goibibo deal was found by Cheapflights users on 9/11. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:26 pm -
2 stops20h 14m
Wed 10/288:40 am -
2 stops18h 11m
Deal found 9/11![Multiple Airlines logo]()
$825
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:59 pm -
2 stops21h 46m
Mon 11/210:00 am -
2 stops18h 59m
Deal found 9/11![Delta logo]()
$865
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:25 pm -
2 stops13h 50m
Mon 12/79:50 am -
2 stops19h 09m
Deal found 9/13![Lufthansa logo]()
$890
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 September 15, 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 September 15, 2026.
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop19h 25m
Tue 11/248:40 am -
2 stops17h 33m
Deal found 9/13![Delta logo]()
$758
This Virgin Atlantic deal was found by Cheapflights users on 9/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1012:53 pm -
2 stops13h 22m
Tue 2/1611:45 am -
2 stops14h 56m
Deal found 9/12![Virgin Atlantic logo]()
$771
This Goibibo deal was found by Cheapflights users on 9/11. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:26 pm -
2 stops20h 14m
Wed 10/288:40 am -
2 stops18h 11m
Deal found 9/11![Multiple Airlines logo]()
$825
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:25 pm -
2 stops13h 50m
Mon 12/79:50 am -
2 stops19h 09m
Deal found 9/13![Lufthansa logo]()
$890
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2512:41 pm -
2 stops17h 04m
Fri 1/19:10 am -
2 stops17h 31m
Deal found 9/10![Aer Lingus logo]()
$1,477
This Delta deal was found by Cheapflights users on 9/15. 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 10/219:53 am -
2 stops16h 17m
Sun 10/2512:40 pm -
1 stop15h 19m
Deal found 9/15![Delta logo]()
$819
This Virgin Atlantic deal was found by Cheapflights users on 9/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:39 am -
1 stop15h 31m
Thu 10/2910:50 am -
1 stop14h 43m
Deal found 9/11![Virgin Atlantic logo]()
$853
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Thu 10/292:11 pm -
2 stops15h 04m
Tue 11/39:50 am -
2 stops15h 49m
Deal found 9/10![Lufthansa logo]()
$901
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:34 pm -
1 stop16h 46m
Sat 10/1010:45 am -
2 stops18h 14m
Deal found 9/13![Delta logo]()
$820
This Virgin Atlantic deal was found by Cheapflights users on 9/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop20h 05m
Tue 11/311:20 am -
1 stop14h 53m
Deal found 9/10![Virgin Atlantic logo]()
$853
This Icelandair deal was found by Cheapflights users on 9/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:50 am -
2 stops19h 05m
Fri 10/3011:55 am -
2 stops16h 20m
Deal found 9/13![Multiple Airlines logo]()
$992
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:53 am -
2 stops16h 17m
Thu 10/298:40 am -
2 stops16h 53m
Deal found 9/11![Delta logo]()
$851
This Virgin Atlantic deal was found by Cheapflights users on 9/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/153:24 pm -
1 stop15h 16m
Fri 1/228:55 am -
1 stop15h 06m
Deal found 9/11![Virgin Atlantic logo]()
$862
This Icelandair deal was found by Cheapflights users on 9/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/243:40 pm -
2 stops14h 15m
Fri 1/2911:55 am -
2 stops15h 10m
Deal found 9/14![Multiple Airlines logo]()
$992
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:55 pm -
1 stop12h 20m
Tue 10/278:55 am -
1 stop14h 15m
Deal found 9/10![Delta logo]()
$853
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:59 pm -
1 stop10h 41m
Mon 12/76:20 am -
2 stops15h 56m
Deal found 9/13![Delta logo]()
$858
This Icelandair deal was found by Cheapflights users on 9/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/243:40 pm -
2 stops14h 15m
Sun 1/3111:55 am -
2 stops16h 15m
Deal found 9/13![Multiple Airlines logo]()
$1,042
This Icelandair deal was found by Cheapflights users on 9/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:05 pm -
2 stops16h 50m
Wed 11/1111:55 am -
2 stops15h 20m
Deal found 9/12![Multiple Airlines logo]()
$1,042
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:59 pm -
2 stops21h 46m
Mon 11/210:00 am -
2 stops18h 59m
Deal found 9/11![Delta logo]()
$865
This Travelocity deal was found by Cheapflights users on 9/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:10 pm -
2 stops14h 05m
Wed 11/119:50 am -
2 stops15h 44m
Deal found 9/11![Lufthansa logo]()
$1,360
This Icelandair deal was found by Cheapflights users on 9/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
2 stops20h 15m
Wed 11/411:55 am -
2 stops15h 20m
Deal found 9/13![Multiple Airlines logo]()
$1,055
This Icelandair deal was found by Cheapflights users on 9/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:10 pm -
2 stops14h 45m
Mon 12/711:55 am -
2 stops15h 15m
Deal found 9/13![Multiple Airlines logo]()
$1,092
This Ovago deal was found by Cheapflights users on 9/10. 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.
Sat 11/71:32 pm -
2 stops18h 08m
Sun 11/87:25 pm -
2 stops31h 38m
Deal found 9/10![Aer Lingus logo]()
$1,759
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/299:43 pm -
1 stop32h 17m
Tue 11/39:35 am -
2 stops34h 51m
Deal found 9/10![Multiple Airlines logo]()
$1,264
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:20 pm -
2 stops14h 40m
Thu 11/1210:00 am -
2 stops15h 54m
Deal found 9/12![Delta logo]()
$1,348
This Icelandair deal was found by Cheapflights users on 9/15. 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.
Fri 12/253:10 pm -
2 stops14h 45m
Thu 12/3111:55 am -
2 stops15h 15m
Deal found 9/15![Multiple Airlines logo]()
$1,322
This Icelandair deal was found by Cheapflights users on 9/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:10 pm -
2 stops14h 45m
Fri 1/111:55 am -
2 stops15h 15m
Deal found 9/10![Multiple Airlines logo]()
$1,355
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:33 pm -
2 stops18h 12m
Fri 11/67:40 am -
2 stops18h 57m
Deal found 9/14![Multiple Airlines logo]()
$1,406
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 10/412:39 pm -
2 stops14h 16m
Thu 10/810:00 am -
2 stops16h 13m
Deal found 9/14![Delta logo]()
$1,869
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:53 pm -
2 stops14h 52m
Sun 10/255:15 pm -
2 stops29h 17m
Deal found 9/13![Multiple Airlines logo]()
$1,477
Last-minute flights from Louisville to LondonDiscover last-minute flight deals from Louisville to London. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to London. Data last updated September 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 am -
1 stop18h 20m
Fri 10/28:40 am -
2 stops15h 34m
Deal found 9/11![Delta logo]()
$758
This KLM deal was found by Cheapflights users on 9/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:47 pm -
1 stop11h 23m
Fri 10/211:15 am -
1 stop15h 44m
Deal found 9/11![KLM logo]()
$765
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 am -
2 stops21h 35m
Fri 10/210:25 am -
2 stops18h 34m
Deal found 9/11![Delta logo]()
$902
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/3011:04 am -
2 stops14h 41m
Fri 10/911:15 am -
1 stop14h 20m
Deal found 9/14![Delta logo]()
$770
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:50 pm -
1 stop13h 00m
Thu 10/298:10 pm -
1 stop19h 00m
Deal found 9/11![Delta logo]()
$791
This Goibibo deal was found by Cheapflights users on 9/11. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:59 pm -
1 stop12h 16m
Wed 10/2811:20 am -
1 stop13h 53m
Deal found 9/11![Virgin Atlantic logo]()
$753
This Goibibo deal was found by Cheapflights users on 9/11. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:26 pm -
2 stops20h 14m
Wed 10/288:40 am -
2 stops18h 11m
Deal found 9/11![Multiple Airlines logo]()
$825
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:53 am -
2 stops16h 17m
Fri 10/306:20 am -
2 stops20h 31m
Deal found 9/11![Delta logo]()
$801
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:59 pm -
2 stops21h 46m
Mon 11/210:00 am -
2 stops18h 59m
Deal found 9/11![Delta logo]()
$865
This Virgin Atlantic deal was found by Cheapflights users on 9/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:59 pm -
2 stops13h 46m
Wed 11/411:30 am -
2 stops16h 17m
Deal found 9/13![Virgin Atlantic logo]()
$763
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 10/291:59 pm -
1 stop15h 01m
Thu 11/58:40 am -
2 stops17h 33m
Deal found 9/14![Delta logo]()
$808
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Thu 10/292:11 pm -
2 stops15h 04m
Tue 11/39:50 am -
2 stops15h 49m
Deal found 9/10![Lufthansa logo]()
$901
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 September 15, 2026.
Search for one-way flight options from Louisville to London. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:10 pm -
1 stop12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$359
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/151:09 pm -
1 stop14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Iberia logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 12/131:59 pm -
2 stops14h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/158:55 am -
2 stops16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/309:11 pm -
2 stops55h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$400
This Air Canada deal was found by Cheapflights users on 9/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:00 am -
3 stops17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air Canada logo]()
$407
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/158:55 am -
3 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Air Canada logo]()
$410
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 9/3010:29 am -
2 stops22h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Aer Lingus logo]()
$418
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Sat 10/106:14 pm -
2 stops32h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Aer Lingus logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/106:30 pm -
1 stop21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$463
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:30 pm -
1 stop21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Austrian Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/307:55 am -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$509
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 September 15, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $738 (Justfly.com) |
One-way from | $359 (American Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $1,072 |
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 September 15, 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
Fri 1/15
1:09 pm-8:35 am
1 stop14h 26m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$381
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 12/13
1:59 pm-9:10 am
2 stops14h 11m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$395
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Fri 1/15
8:55 am-6:20 am
2 stops16h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$398
LouisvilleLondon
SDF Louisville Intl - LGW London Gatwick
SDFLGW
Louisville Intl
Wed 9/30
9:11 pm-10:00 am
2 stops55h 49m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$400
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sun 12/13
9:00 am-7:10 am
3 stops17h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$407
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Fri 1/15
8:55 am-7:10 am
3 stops17h 15m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$410
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sat 10/10
6:14 pm-8:05 am
2 stops32h 51m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$438
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sat 10/10
6:30 pm-8:40 pm
1 stop21h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$463
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sat 10/10
6:30 pm-8:40 pm
1 stop21h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$493
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 9/30
7:55 am-7:10 am
1 stop18h 15m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$509
Showing 1-10 of 57 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 September.
| 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
SDF-LGW
SDF-LCY
SDF-SEN
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
SDF-LGW
SDF-LCY
SDF-SEN
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 $772). Flying from Louisville to London in June is currently the most expensive (average of $1,359). 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 typical for this route at the moment.
Louisville to London flights typically cost between $697 and $1,239 in November.The cheapest round-trip price found within the last 5 days was $738 on Virgin Atlantic (Nov 3-Nov 24).
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 36% 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.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $632.
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 Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 10h 23m.
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 64 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 September 15, 2026.
Read through reviews of airlines operating flights from Louisville to London, such as Delta,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Louisville and London flights
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Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Louisville to London
Discover the top 5 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 September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$450 | Average$1,286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$598 | Average$799 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$606 | Average$1,110 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$999 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$705 | Average$1,131 | FlexibilityNo cancel fee | On-time69% |