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$207+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$644
(Delta)

One-way from

$207
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$856
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. 17% potential increase in price ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Mon 9/89:50 pmCVG - LHR
Nonstop7h 50mIberia
Wed 10/14:30 pmLHR - CVG
Nonstop8h 35mIberia
Deal found 4/29$632
This Delta deal was found by Cheapflights users on 4/29. 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 10/132:59 pmSDF - LHR
1 stop17h 31mDelta
Wed 10/226:15 amLHR - SDF
2 stops16h 24mDelta
Deal found 4/29$644
This Delta deal was found by Cheapflights users on 4/29. 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 5/612:01 pmLEX - LHR
1 stop15h 54mDelta
Tue 5/2011:30 amLHR - LEX
2 stops17h 21mDelta
Deal found 4/29$644
This World Air Fares deal was found by Cheapflights users on 4/29. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:50 pmCVG - LHR
1 stop10h 55mMultiple Airlines
Wed 10/16:00 amLHR - CVG
2 stops15h 50mMultiple Airlines
Deal found 4/29$655
This Delta deal was found by Cheapflights users on 4/27. 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 8/66:03 pmCVG - LGW
1 stop10h 57mDelta
Wed 8/2012:00 pmLGW - CVG
1 stop13h 43mDelta
Deal found 4/27$671
This Virgin Atlantic deal was found by Cheapflights users on 4/28. 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 8/611:00 amCVG - LGW
1 stop18h 00mVirgin Atlantic
Wed 8/2012:00 pmLGW - CVG
2 stops15h 39mVirgin Atlantic
Deal found 4/28$675
This Finnair deal was found by Cheapflights users on 4/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:23 amCVG - LGW
1 stop15h 47mMultiple Airlines
Wed 8/203:05 pmLGW - CVG
1 stop24h 42mMultiple Airlines
Deal found 4/27$676
This oojo deal was found by Cheapflights users on 4/29. 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 9/109:20 amCVG - LGW
1 stop17h 50mBritish Airways
Tue 9/163:05 pmLGW - CVG
1 stop29h 36mBritish Airways
Deal found 4/29$680
This United Airlines deal was found by Cheapflights users on 4/28. 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 10/197:25 pmCVG - LHR
1 stop10h 15mUnited Airlines
Fri 10/316:30 amLHR - CVG
2 stops15h 30mUnited Airlines
Deal found 4/28$683
This World Air Fares deal was found by Cheapflights users on 4/29. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:06 pmCVG - LHR
2 stops17h 54mSWISS
Wed 10/16:00 amLHR - CVG
2 stops15h 50mSWISS
Deal found 4/29$687
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:30 pmCVG - LHR
2 stops23h 30mScandinavian Airlines
Tue 10/1410:35 amLHR - CVG
2 stops35h 28mScandinavian Airlines
Deal found 4/29$689
This Air Canada deal was found by Cheapflights users on 4/28. 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 9/141:30 pmCVG - LHR
1 stop15h 05mAir Canada
Tue 10/213:50 pmLHR - CVG
2 stops26h 19mAir Canada
Deal found 4/28$692

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 April 30, 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

Mon 10/13

2:59 pm-1:30 pm

1 stop17h 31m

London Heathrow

Wed 10/22

6:15 am-5:39 pm

2 stops16h 24m

$644

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Mon 9/22

11:00 am-8:55 am

1 stop16h 55m

London Heathrow

Tue 9/30

6:15 am-9:36 pm

2 stops20h 21m

$644

CincinnatiLondon

CVG - LGW

CVGLGW

Cincinnati Cinci./N. Kentucky

Mon 6/2

7:37 pm-7:00 am

1 stop30h 23m

London Gatwick

Thu 6/5

10:00 am-7:04 pm

1 stop14h 04m

$701

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Tue 5/6

6:00 am-8:45 pm

1 stop32h 45m

London Heathrow

Tue 5/13

11:55 am-12:40 pm

1 stop30h 45m

$703

NashvilleLondon

BNA - LGW

BNALGW

Nashville Intl

Tue 8/26

12:00 pm-9:35 am

1 stop15h 35m

London Gatwick

Tue 9/2

12:10 pm-10:47 pm

1 stop16h 37m

$704

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Mon 5/12

6:00 am-11:55 am

2 stops23h 55m

London Heathrow

Wed 5/28

3:05 pm-10:06 pm

3 stops37h 01m

$704

NashvilleLondon

BNA - LGW

BNALGW

Nashville Intl

Wed 8/27

8:55 pm-2:40 pm

1 stop11h 45m

London Gatwick

Sun 9/7

3:40 pm-7:30 pm

1 stop33h 50m

$706

NashvilleLondon

BNA - LGW

BNALGW

Nashville Intl

Wed 5/28

7:49 am-6:20 am

1 stop16h 31m

London Gatwick

Wed 6/4

2:00 pm-10:42 pm

1 stop14h 42m

$708

NashvilleLondon

BNA - LHR

BNALHR

Nashville Intl

Tue 5/20

12:15 pm-11:00 am

1 stop16h 45m

London Heathrow

Tue 5/27

11:20 am-6:40 pm

1 stop13h 20m

$709

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Tue 9/23

10:45 am-8:20 am

1 stop16h 35m

London Heathrow

Tue 10/7

2:05 pm-5:15 pm

2 stops32h 10m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $661). Flying from Kentucky to London in June is currently the most expensive (average of $1,110). 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 April 30, 2025.

When flying from Kentucky to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 30, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Kentucky to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Kentucky to London one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $294. However, be on the lookout for offers from JetBlue and Delta, 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 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, November is the cheapest month in which you can book a flight from Kentucky to London (average of $661). Flying from Kentucky to London in June is currently the most expensive (average of $1,110). 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 Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

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 5 airlines flying from Kentucky to London

Discover the top 5 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$611Average$909FlexibilityNo cancel feeOn-time70%
DeltaCheapest$700Average$914FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$708Average$964FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$720Average$930FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$777Average$1,242FlexibilityNo cancel feeOn-time72%

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