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$187+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$570
(Delta)

One-way from

$187
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$1,179
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. 18% potential increase in price ($227 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. 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.
mié. 8/201:53 pmTYS - LHR
1 stop18h 37mDelta
mié. 8/2711:30 amLHR - TYS
2 stops17h 18mDelta
Deal found 7/3$570
This Delta deal was found by Cheapflights users on 7/3. 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.
mié. 8/274:20 pmSDF - LHR
1 stop10h 45mDelta
mié. 9/311:30 amLHR - SDF
2 stops17h 26mDelta
Deal found 7/3$570
This Virgin Atlantic deal was found by Cheapflights users on 7/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2712:45 pmSDF - LHR
2 stops13h 30mVirgin Atlantic
mié. 9/311:30 amLHR - SDF
2 stops16h 12mVirgin Atlantic
Deal found 7/3$575
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/206:14 pmTYS - LHR
1 stop11h 56mKLM
mié. 8/279:20 amLHR - TYS
1 stop12h 59mKLM
Deal found 7/3$579
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/273:11 pmSDF - LHR
1 stop10h 34mKLM
mié. 9/33:15 pmLHR - SDF
1 stop13h 41mKLM
Deal found 7/3$579
This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/239:05 amSDF - LHR
2 stops16h 25mMultiple Airlines
mar. 10/79:30 amLHR - SDF
2 stops15h 57mMultiple Airlines
Deal found 7/3$619
This Delta deal was found by Cheapflights users on 7/3. 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.
lun. 8/1810:10 amLEX - LHR
1 stop16h 05mDelta
lun. 8/2511:30 amLHR - LEX
2 stops16h 06mDelta
Deal found 7/3$620
This KLM deal was found by Cheapflights users on 7/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/183:40 pmLEX - LHR
1 stop14h 30mKLM
lun. 8/2511:45 amLHR - LEX
1 stop11h 22mKLM
Deal found 7/3$629
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/211:00 pmSDF - LHR
2 stops15h 35mUnited Airlines
mar. 9/302:05 pmLHR - SDF
2 stops26h 28mUnited Airlines
Deal found 7/3$632
This Virgin Atlantic deal was found by Cheapflights users on 7/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1711:58 amTYS - LHR
2 stops13h 47mVirgin Atlantic
dom. 8/2411:20 amLHR - TYS
1 stop13h 46mVirgin Atlantic
Deal found 7/3$633
This Orbitz deal was found by Cheapflights users on 7/1. 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.
lun. 8/186:59 pmLEX - LHR
1 stop11h 06mBritish Airways
lun. 8/258:15 pmLHR - LEX
2 stops27h 11mBritish Airways
Deal found 7/1$641
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/102:33 pmTYS - LHR
1 stop15h 17mUnited Airlines
mar. 12/301:30 pmLHR - TYS
2 stops15h 12mUnited Airlines
Deal found 7/3$643

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 julio 3, 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

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

mié. 8/20

1:53 pm-1:30 pm

1 stop18h 37m

London Heathrow

mié. 8/27

11:30 am-11:48 pm

2 stops17h 18m

$570

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mié. 8/27

4:20 pm-8:05 am

1 stop10h 45m

London Heathrow

mié. 9/3

11:30 am-11:56 pm

2 stops17h 26m

$570

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mié. 8/27

12:45 pm-7:15 am

2 stops13h 30m

London Heathrow

mié. 9/3

11:30 am-10:42 pm

2 stops16h 12m

$575

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

mié. 8/20

6:14 pm-11:10 am

1 stop11h 56m

London Heathrow

mar. 8/26

11:45 am-6:22 pm

1 stop11h 37m

$579

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mié. 8/27

3:11 pm-6:45 am

1 stop10h 34m

London Heathrow

mié. 9/3

3:15 pm-11:56 pm

1 stop13h 41m

$579

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mar. 9/23

9:05 am-6:30 am

2 stops16h 25m

London Heathrow

mar. 10/7

9:30 am-8:27 pm

2 stops15h 57m

$619

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

lun. 8/18

10:10 am-7:15 am

1 stop16h 05m

London Heathrow

lun. 8/25

11:30 am-10:36 pm

2 stops16h 06m

$620

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

lun. 8/18

3:40 pm-11:10 am

1 stop14h 30m

London Heathrow

lun. 8/25

11:45 am-6:07 pm

1 stop11h 22m

$629

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom. 9/21

1:59 pm-8:20 am

1 stop13h 21m

London Heathrow

mar. 9/30

2:05 pm-11:33 am

2 stops26h 28m

$632

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

dom. 8/17

11:58 am-6:45 am

2 stops13h 47m

London Heathrow

dom. 8/24

11:20 am-8:06 pm

1 stop13h 46m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $1,098). 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 julio 3, 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.

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 julio 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Finnair from Kentucky to London to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $203. However, be on the lookout for offers from JetBlue and British Airways, 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 $1,098). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$619Average$790FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$692Average$933FlexibilityNo cancel feeOn-time71%
DeltaCheapest$700Average$941FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$734Average$996FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$776Average$1,343FlexibilityNo cancel feeOn-time72%

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