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$184+ Cheap flights from Kentucky 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Kentucky to London

Cheapest flights from Kentucky to London
Explore the most affordable flight options available from Kentucky to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Iberia deal was found by Cheapflights users on 7/20. 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 10/2010:26 am
SDF
-
LHR
1 stop19h 24m
Iberia
Tue 11/36:05 am
LHR
-
SDF
2 stops20h 31m
Iberia
Deal found 7/20$862
This Iberia deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:14 pm
SDF
-
LHR
1 stop13h 01m
Iberia
Wed 10/286:15 am
LHR
-
SDF
2 stops19h 20m
Iberia
Deal found 7/23$865
This Iberia deal was found by Cheapflights users on 7/22. 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
SDF
-
LHR
1 stop13h 16m
Iberia
Tue 9/296:15 am
LHR
-
SDF
2 stops21h 18m
Iberia
Deal found 7/22$866
This Iberia deal was found by Cheapflights users on 7/22. 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 10/2712:41 pm
SDF
-
LHR
2 stops20h 49m
Iberia
Tue 11/36:05 am
LHR
-
SDF
2 stops20h 31m
Iberia
Deal found 7/22$874
This Cheapflightsfares deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:20 pm
TYS
-
LHR
2 stops15h 30m
Lufthansa
Wed 11/188:45 am
LHR
-
TYS
2 stops20h 11m
Lufthansa
Deal found 7/22$879
This FlightHub deal was found by Cheapflights users on 7/22. 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 11/115:42 pm
SDF
-
LHR
1 stop10h 33m
British Airways
Mon 11/166:45 pm
LHR
-
SDF
2 stops20h 37m
British Airways
Deal found 7/22$879
This Iberia deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:31 am
TYS
-
LHR
1 stop16h 04m
Iberia
Wed 11/116:15 am
LHR
-
TYS
2 stops22h 32m
Iberia
Deal found 7/20$882
This FlightHub deal was found by Cheapflights users on 7/23. 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 11/75:20 pm
SDF
-
LHR
1 stop20h 40m
British Airways
Thu 11/126:15 am
LHR
-
SDF
2 stops20h 21m
British Airways
Deal found 7/23$883
This United Airlines deal was found by Cheapflights users on 7/24. 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 11/119:58 am
TYS
-
LHR
1 stop17h 27m
United Airlines
Wed 11/186:50 am
LHR
-
TYS
2 stops15h 09m
United Airlines
Deal found 7/24$884
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/47:20 pm
TYS
-
LHR
1 stop10h 30m
United Airlines
Wed 11/116:50 am
LHR
-
TYS
2 stops15h 12m
United Airlines
Deal found 7/20$886
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 10/710:00 am
SDF
-
LHR
2 stops16h 40m
Lufthansa
Wed 10/219:00 am
LHR
-
SDF
2 stops19h 59m
Lufthansa
Deal found 7/22$889
This United deal was found by Cheapflights users on 7/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:45 am
TYS
-
LHR
2 stops19h 10m
Multiple Airlines
Tue 9/299:00 am
LHR
-
TYS
2 stops19h 59m
Multiple Airlines
Deal found 7/21$890

Find flight deals from Kentucky to London

Keep the following information in mind while searching for Kentucky to London flight deals. Data was last updated July 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$862
(Iberia)

One-way from

$171
(KAYAK)

Popular in

June

Cheapest in

November

Average price

$1,285
Provider with most accurate pricing for Louisville Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-London (LON) flights.
Search Deals
From Kentucky to London (LON)
Search Deals
One-way flight from Kentucky to London (LON)
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 July 25, 2026.
Use the filters below to find and compare flights from Kentucky to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 9/21

5:59 pm-10:50 am

1 stop11h 51m

London Heathrow

Fri 10/2

2:25 pm-10:33 pm

1 stop13h 08m

$896

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Thu 10/1

11:13 am-5:55 am

1 stop13h 42m

London Heathrow

Fri 10/9

6:50 am-5:40 pm

2 stops15h 50m

$934

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 10/4

1:50 pm-11:55 am

1 stop17h 05m

London Heathrow

Mon 10/12

6:50 am-5:40 pm

2 stops15h 50m

$936

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 9/22

1:55 pm-10:00 am

1 stop15h 05m

London Heathrow

Tue 10/6

6:50 am-7:06 pm

2 stops17h 16m

$944

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 11/3

4:40 pm-11:40 am

1 stop14h 00m

London Heathrow

Sat 11/14

10:10 am-5:08 pm

1 stop11h 58m

$945

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Tue 9/15

10:40 pm-11:30 am

Nonstop7h 50m

London Heathrow

Wed 9/23

7:50 am-9:04 pm

2 stops18h 14m

$946

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 10/2

10:42 am-6:45 am

1 stop15h 03m

London Heathrow

Mon 10/12

5:55 pm-5:08 pm

2 stops28h 13m

$947

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Mon 9/14

2:05 pm-5:50 pm

2 stops22h 45m

London Gatwick

Tue 9/29

9:25 am-8:16 pm

2 stops15h 51m

$954

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Wed 10/7

10:50 am-8:25 am

2 stops16h 35m

London Gatwick

Tue 10/13

6:35 pm-5:00 pm

2 stops27h 25m

$955

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 8/24

1:55 pm-10:00 am

1 stop15h 05m

London Heathrow

Mon 8/31

11:05 am-7:06 pm

2 stops37h 01m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to London

Have a flexible travel schedule? Discover the best time to fly to London from Kentucky with our price prediction graph.
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 Kentucky to London

What is the cheapest month to book a flight from Kentucky to London?

Currently, January is the cheapest month in which you can book a flight from Kentucky to London (average of $704). Flying from Kentucky to London in June is currently the most expensive (average of $1,444). 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 Kentucky to London?

Airfare is below average for this route at the moment.
Kentucky to London flights typically cost between $1,014 and $1,354 in October.
The cheapest round-trip price found within the last 5 days was $862 on Iberia (Oct 20-Nov 3).

Related info for your journey

Find useful and relevant information for your journey from Kentucky to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kentucky to London?

    There are many flights that can get you from Kentucky to London in 11h 03m. Fly via British Airways, United Airlines, or American Airlines to get the fastest option. Kentucky and London are separated by a distance of 4033 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Kentucky to London?

    While some choose either Cincinnati Cinci./N. Kentucky - London Heathrow or Nashville Intl - London Gatwick, Nashville Intl - London Heathrow is the most popular route from Kentucky to London.

  • Can I find deals for flights from Kentucky to London that include hotel bookings?

    Yes. In addition to deals on Kentucky to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to London.

  • Can I find deals for business class flights from Kentucky to London?

    Yes. Cheapflights offers flight deals from Kentucky to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to London?

    Currently, January is the cheapest month in which you can book a flight from Kentucky to London (average of $704). Flying from Kentucky to London in June is currently the most expensive (average of $1,444). 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
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

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Top 6 airlines flying from Kentucky to London

Discover the top 6 airlines that operate flights from Kentucky 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$517Average$675FlexibilityNo cancel feeOn-time72%
DeltaCheapest$573Average$968FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$574Average$716FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$606Average$1,126FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$631Average$922FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$705Average$1,091FlexibilityNo cancel feeOn-time69%

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