$414+ Cheap flights from Louisville (SDF) to London (LON)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
Sep 6 — Sep 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 London
Cheapest
Best
Last-minute
One-way
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 August 7, 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 August 7, 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 United Airlines deal was found by Cheapflights users on 8/6. 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 11/162:10 pm -
1 stop12h 45m
Wed 11/186:50 am -
2 stops19h 02m
Deal found 8/6![United Airlines logo]()
$775
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/248:28 pm -
2 stops32h 32m
Wed 9/22:00 pm -
1 stop31h 34m
Deal found 8/6![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Fri 9/1810:25 am -
2 stops23h 15m
Fri 9/252:00 pm -
1 stop26h 03m
Deal found 8/6![Multiple Airlines logo]()
$812
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/248:28 pm -
2 stops32h 32m
Sat 8/292:00 pm -
1 stop31h 29m
Deal found 8/6![Multiple Airlines logo]()
$817
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 Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/169:24 pm -
1 stop31h 36m
Fri 8/212:00 pm -
2 stops35h 06m
Deal found 8/6![Multiple Airlines logo]()
$849
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:19 pm -
1 stop12h 31m
Wed 10/287:35 am -
2 stops18h 00m
Deal found 8/4![Iberia logo]()
$862
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 8/4. 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 10/281:21 pm -
1 stop18h 49m
Fri 11/610:05 am -
1 stop16h 05m
Deal found 8/4![Finnair logo]()
$868
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 Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Fri 9/1110:25 am -
2 stops18h 35m
Wed 9/162:00 pm -
1 stop31h 34m
Deal found 8/6![Multiple Airlines logo]()
$874
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 August 7, 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 August 7, 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 Delta deal was found by Cheapflights users on 8/5. 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 12/710:39 am -
2 stops15h 36m
Fri 12/188:40 am -
2 stops20h 25m
Deal found 8/5![Delta logo]()
$914
This KLM deal was found by Cheapflights users on 8/5. 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 12/71:01 pm -
2 stops13h 14m
Fri 12/188:40 am -
2 stops17h 19m
Deal found 8/5![KLM logo]()
$914
This British Airways deal was found by Cheapflights users on 8/6. 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 9/1512:38 pm -
1 stop13h 17m
Fri 9/2512:30 pm -
1 stop15h 52m
Deal found 8/6![British Airways logo]()
$960
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:38 pm -
2 stops17h 02m
Wed 9/2310:45 am -
2 stops17h 37m
Deal found 8/4![American Airlines logo]()
$977
This Icelandair deal was found by Cheapflights users on 8/5. 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 9/95:00 pm -
2 stops13h 45m
Wed 9/163:40 pm -
2 stops36h 00m
Deal found 8/5![Multiple Airlines logo]()
$997
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:05 am -
2 stops17h 35m
Wed 9/29:15 am -
2 stops15h 00m
Deal found 8/2![Lufthansa logo]()
$1,081
This oojo deal was found by Cheapflights users on 8/5. 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.
Wed 11/116:19 am -
2 stops21h 16m
Sun 11/151:15 pm -
2 stops37h 48m
Deal found 8/5![Aer Lingus logo]()
$1,497
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:27 pm -
1 stop11h 43m
Wed 9/2312:30 pm -
1 stop15h 52m
Deal found 8/4![British Airways logo]()
$960
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:56 pm -
2 stops15h 04m
Fri 9/256:50 am -
2 stops15h 49m
Deal found 8/6![United Airlines logo]()
$968
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 stops17h 00m
Thu 9/101:00 pm -
2 stops14h 40m
Deal found 8/4![Multiple Airlines logo]()
$1,005
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 10/310:13 am -
2 stops14h 42m
Sat 10/106:50 am -
2 stops15h 50m
Deal found 8/2![United Airlines logo]()
$989
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 British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:11 pm -
1 stop10h 59m
Sat 10/39:15 am -
1 stop14h 55m
Deal found 8/4![British Airways logo]()
$1,010
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 9/257:55 am -
1 stop18h 15m
Mon 9/289:55 am -
2 stops15h 38m
Deal found 8/3![Delta logo]()
$1,015
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:05 am -
2 stops18h 05m
Sat 10/173:15 pm -
1 stop13h 44m
Deal found 8/4![Delta logo]()
$1,020
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:05 am -
2 stops17h 35m
Thu 9/109:15 am -
2 stops15h 58m
Deal found 8/4![Lufthansa logo]()
$1,257
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.
Tue 9/16:15 am -
1 stop10h 10m
Mon 9/78:00 am -
1 stop13h 45m
Deal found 8/2![United Airlines logo]()
$1,043
This Delta deal was found by Cheapflights users on 8/6. 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 9/811:45 am -
1 stop14h 30m
Wed 9/169:20 am -
1 stop12h 50m
Deal found 8/6![Delta logo]()
$1,030
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.
Fri 10/211:50 am -
2 stops21h 50m
Wed 10/73:40 pm -
2 stops37h 30m
Deal found 8/4![Multiple Airlines logo]()
$1,165
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.
Wed 8/262:34 pm -
2 stops13h 51m
Wed 9/210:25 am -
2 stops16h 43m
Deal found 8/2![Delta logo]()
$1,067
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.
Mon 12/286:14 pm -
2 stops33h 21m
Mon 1/47:25 pm -
2 stops43h 07m
Deal found 8/3![Aer Lingus logo]()
$1,609
This Delta deal was found by Cheapflights users on 8/6. 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 9/182:47 pm -
2 stops13h 43m
Wed 9/238:25 am -
2 stops15h 49m
Deal found 8/6![Delta logo]()
$1,079
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.
Thu 10/17:11 am -
2 stops20h 24m
Fri 10/95:15 pm -
2 stops33h 20m
Deal found 8/3![Aer Lingus logo]()
$1,610
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 9/55:35 pm -
2 stops17h 25m
Sat 9/1910:25 am -
2 stops16h 34m
Deal found 8/7![Delta logo]()
$1,112
This FlightHub deal was found by Cheapflights users on 8/6. 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.
Sun 9/204:48 pm -
2 stops14h 57m
Sat 10/311:30 am -
2 stops16h 25m
Deal found 8/6![Aer Lingus logo]()
$1,630
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:53 pm -
2 stops13h 22m
Tue 1/58:40 am -
2 stops18h 01m
Deal found 8/4![Delta logo]()
$1,133
This Delta deal was found by Cheapflights users on 8/6. 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 8/212:34 pm -
2 stops13h 51m
Wed 8/2610:25 am -
2 stops18h 59m
Deal found 8/6![Delta logo]()
$1,158
This Delta deal was found by Cheapflights users on 8/6. 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 9/31:21 pm -
2 stops15h 04m
Tue 9/810:35 am -
2 stops16h 24m
Deal found 8/6![Delta logo]()
$1,221
Last-minute flights from Louisville to LondonDiscover last-minute flight deals from Louisville to London. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to London. Data last updated August 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/139:24 pm -
1 stop31h 36m
Fri 8/212:00 pm -
2 stops35h 06m
Deal found 8/6![Multiple Airlines logo]()
$886
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/169:24 pm -
1 stop31h 36m
Fri 8/212:00 pm -
2 stops35h 06m
Deal found 8/6![Multiple Airlines logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/178:28 pm -
2 stops32h 32m
Wed 8/262:00 pm -
1 stop31h 29m
Deal found 8/6![Multiple Airlines logo]()
$891
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/248:28 pm -
2 stops32h 32m
Wed 9/22:00 pm -
1 stop31h 34m
Deal found 8/6![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/248:28 pm -
2 stops32h 32m
Sat 8/292:00 pm -
1 stop31h 29m
Deal found 8/6![Multiple Airlines logo]()
$817
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Fri 9/1110:25 am -
2 stops18h 35m
Wed 9/162:00 pm -
1 stop31h 34m
Deal found 8/6![Multiple Airlines logo]()
$874
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Fri 9/1810:25 am -
2 stops23h 15m
Fri 9/252:00 pm -
1 stop26h 03m
Deal found 8/6![Multiple Airlines logo]()
$812
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 FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:59 pm -
2 stops21h 01m
Fri 10/211:30 am -
2 stops28h 16m
Deal found 8/4![British Airways logo]()
$883
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 9/218:09 am -
1 stop18h 06m
Fri 10/28:40 am -
2 stops16h 53m
Deal found 8/3![Delta logo]()
$885
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 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 LondonSearch for one-way flight options from Louisville to London. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
Search for one-way flight options from Louisville to London. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
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 8/7. 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 8/7![United Airlines logo]()
$463
This FlightHub deal was found by Cheapflights users on 8/7. 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 10/101:25 pm -
2 stops36h 05m
Deal found 8/7![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
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/298:46 pm -
3 stops58h 09m
Deal found 8/6![Multiple Airlines logo]()
$506
This Cheapflightsfares deal was found by Cheapflights users on 8/5. 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 8/1811:05 am -
2 stops21h 50m
Deal found 8/5![Aer Lingus logo]()
$510
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:05 am -
2 stops16h 10m
Deal found 8/6![United Airlines logo]()
$513
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 8/1111:05 am -
2 stops16h 00m
Deal found 8/6![Aer Lingus logo]()
$516
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:59 pm -
2 stops14h 21m
Deal found 8/4![Delta logo]()
$518
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:26 pm -
2 stops16h 49m
Deal found 8/4![Delta logo]()
$530
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Sat 10/106:16 pm -
2 stops18h 39m
Deal found 8/7![Lufthansa logo]()
$541
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 August 7, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $774 (United Airlines) |
One-way from | $414 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,085 |
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 2,558,603 searches. Data last updated August 7, 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
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 Louisville Intl - LCY London City
SDFLCY
Louisville Intl
Mon 12/7
10:39 am-7:15 am
2 stops15h 36m
London City
Fri 12/18
8:40 am-12:05 am
2 stops20h 25m
$914
LouisvilleLondon
SDF Louisville Intl - LCY London City
SDFLCY
Louisville Intl
Mon 12/7
1:01 pm-7:15 am
2 stops13h 14m
London City
Fri 12/18
8:40 am-8:59 pm
2 stops17h 19m
$914
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 9/15
12:38 pm-6:55 am
1 stop13h 17m
London Heathrow
Fri 9/25
12:30 pm-11:22 pm
1 stop15h 52m
$960
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 9/15
7:27 pm-12:10 pm
1 stop11h 43m
London Heathrow
Wed 9/23
12:30 pm-11:22 pm
1 stop15h 52m
$960
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 9/15
1:56 pm-10:00 am
2 stops15h 04m
London Heathrow
Fri 9/25
6:50 am-5:39 pm
2 stops15h 49m
$968
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
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 Louisville Intl - LGW London Gatwick
SDFLGW
Louisville Intl
Thu 9/17
12:38 pm-10:40 am
2 stops17h 02m
London Gatwick
Wed 9/23
10:45 am-11:22 pm
2 stops17h 37m
$977
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Sat 10/3
10:13 am-5:55 am
2 stops14h 42m
London Heathrow
Sat 10/10
6:50 am-5:40 pm
2 stops15h 50m
$989
LouisvilleLondon
SDF Louisville Intl - LGW London Gatwick
SDFLGW
Louisville Intl
Wed 9/9
5:00 pm-11:45 am
2 stops13h 45m
London Gatwick
Wed 9/16
3:40 pm-10:40 pm
2 stops36h 00m
$997
Showing 1-10 of 49 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 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 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-LCY
SDF-LGW
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-LCY
SDF-LGW
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 $742). 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 $1,013 and $1,172 in November.The cheapest round-trip price found within the last 5 days was $774 on United Airlines (Nov 1-Nov 3).
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 66 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 August 7, 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.
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Louisville to 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
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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.
Alternative routes
Complete your trip
Flights by cabin class
London flight routes
Other flight options
Other flights from Louisville
Popular flights
Alternative routes for Louisville to London
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to London by cabin class
Find flights from Louisville to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 August 7, 2026.
Louisville and London flights
Browse other Louisville and London flight options. Last updated on August 7, 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 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Louisville to London
Discover the top 6 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 2,558,603 searches. Data last updated August 7, 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% |