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$221+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheap flight deals from Kentucky to London

Keep the following information in mind while searching for Kentucky to London flight deals. Data was last updated November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$559
(Kiwi.com)

One-way from

$221
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$1,095
Provider with most accurate pricing for Louisville Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-London (LON) flights.
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From Kentucky to London (LON)
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One-way flight from Kentucky to London (LON)
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Highest demand for flights based on searches. 20% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 21, 2025.

This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:00 pmTYS - LHR
1 stop11h 40mLufthansa
Tue 1/137:40 amLHR - TYS
2 stops16h 47mLufthansa
Deal found 11/20$608
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:19 pmCVG - LHR
1 stop15h 56mLufthansa
Fri 1/912:05 pmLHR - CVG
1 stop11h 58mLufthansa
Deal found 11/20$615
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:27 amTYS - LHR
1 stop19h 38mDelta
Mon 1/128:40 amLHR - TYS
2 stops20h 05mDelta
Deal found 11/20$618
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:23 pmTYS - LHR
1 stop30h 17mLufthansa
Mon 1/127:15 pmLHR - TYS
2 stops29h 12mLufthansa
Deal found 11/20$619
This FlightHub deal was found by Cheapflights users on 11/18. 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 12/315:45 amTYS - LHR
2 stops20h 25mAir Canada
Fri 1/912:00 pmLHR - TYS
2 stops31h 49mAir Canada
Deal found 11/18$623
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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 12/315:45 pmCVG - LHR
1 stop12h 30mLufthansa
Fri 1/236:35 amLHR - CVG
2 stops17h 28mLufthansa
Deal found 11/18$627
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:15 amTYS - LHR
2 stops16h 45mDelta
Thu 1/158:40 amLHR - TYS
2 stops17h 07mDelta
Deal found 11/20$628
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/297:23 pmTYS - LHR
1 stop30h 17mUnited Airlines
Fri 1/96:00 pmLHR - TYS
2 stops25h 49mUnited Airlines
Deal found 11/20$629
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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 12/312:00 pmTYS - LHR
1 stop15h 50mLufthansa
Fri 1/912:05 pmLHR - TYS
1 stop12h 22mLufthansa
Deal found 11/18$631
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:00 amCVG - LHR
2 stops19h 10mMultiple Airlines
Wed 12/246:40 pmLHR - CVG
2 stops30h 38mMultiple Airlines
Deal found 11/19$634
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:23 pmTYS - LHR
1 stop30h 17mLufthansa
Wed 1/146:30 amLHR - TYS
2 stops17h 57mLufthansa
Deal found 11/20$637
This FlightHub deal was found by Cheapflights users on 11/19. 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 12/285:35 pmTYS - LHR
1 stop33h 20mLufthansa
Sun 1/118:15 pmLHR - TYS
2 stops29h 37mLufthansa
Deal found 11/19$641

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 November 21, 2025.
Use the filters below to find and compare flights from Kentucky to London that are best for you.

Fly from

Kentucky

Fly to

London

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 1/9

2:10 pm-6:40 am

1 stop11h 30m

London Heathrow

Tue 1/13

11:10 am-10:30 pm

2 stops16h 20m

$559

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Mon 1/12

9:05 pm-6:00 am

2 stops27h 55m

London Gatwick

Mon 1/19

2:00 pm-12:55 am

1 stop15h 55m

$608

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 2/2

5:29 pm-11:15 am

1 stop12h 46m

London Heathrow

Wed 2/11

7:40 am-7:27 pm

2 stops16h 47m

$612

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Thu 1/8

12:45 pm-2:35 pm

2 stops20h 50m

London Heathrow

Thu 1/22

7:30 pm-5:12 pm

3 stops26h 42m

$616

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 1/9

8:30 am-7:10 am

2 stops17h 40m

London Heathrow

Tue 1/13

11:10 am-10:30 pm

2 stops16h 20m

$616

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Wed 12/31

6:27 am-7:05 am

1 stop19h 38m

London Heathrow

Mon 1/12

8:40 am-11:45 pm

2 stops20h 05m

$618

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 1/13

1:45 pm-10:25 am

2 stops15h 40m

London Heathrow

Tue 1/27

8:45 am-10:30 pm

2 stops18h 45m

$620

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 2/8

2:10 pm-10:50 am

1 stop15h 40m

London Heathrow

Sun 2/15

6:30 am-7:42 pm

2 stops18h 12m

$620

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Thu 1/15

6:45 am-7:10 am

2 stops19h 25m

London Heathrow

Wed 1/21

6:50 am-4:53 pm

2 stops15h 03m

$625

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Fri 1/30

7:20 pm-10:50 am

1 stop10h 30m

London Heathrow

Tue 2/3

6:50 am-7:27 pm

2 stops17h 37m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Kentucky to London (average of $571). Flying from Kentucky to London in June is currently the most expensive (average of $918). 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.

What is the cheapest time of day to fly from KY to LON?

Find hourly flight availability from Kentucky to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

It’s optimal to fly from Kentucky to London in the morning. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Kentucky to London?

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 30m. Fly via Lufthansa, Scandinavian Airlines, or Delta 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 cheapest airlines to fly from Kentucky to London one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $271. However, be on the lookout for offers from JetBlue and WestJet, as they are both options that can get you from Kentucky to London for a low price.

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

    While some choose either Cincinnati Cinci./N. Kentucky - London Heathrow or Cincinnati Cinci./N. Kentucky - 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, November is the cheapest month in which you can book a flight from Kentucky to London (average of $571). Flying from Kentucky to London in June is currently the most expensive (average of $918). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kentucky to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$564Average$933FlexibilityNo cancel feeOn-time72%
DeltaCheapest$573Average$897FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$574Average$795FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$598Average$793FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$665Average$922FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$678Average$874FlexibilityNo cancel feeOn-time69%

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