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Cheap flights from Kentucky to London Heathrow Airport from £170

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Kentucky to Heathrow

Keep the following information in mind while searching for Kentucky to Heathrow flight deals. Data was last updated 13 June 2025.

Round-trip from

£406

One-way from

£170

Popular in

June

Cheapest in

October

Average price

£1,016
6/10-13/10
  • 6/10-13/10
  • 4 total stops
  • 60h 10m total
  • Kentucky to London
Search Deals
Icelandair
  • Icelandair
  • 24/9
  • 1 total stop
  • 17h 25m total
  • Kentucky to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Kentucky to Heathrow

Cheapest flights from Kentucky to Heathrow
Explore the most affordable flight options available from Kentucky to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Mon 6/1007:15TYS - LHR
2 stops30h 35mMultiple Airlines
Mon 13/1011:20LHR - TYS
2 stops29h 35mMultiple Airlines
Deal found 11/6£406
Wed 30/707:00SDF - LHR
2 stops22h 00mAir Canada
Fri 3/1014:05LHR - SDF
2 stops27h 13mAir Canada
Deal found 11/6£471
Wed 29/1008:45SDF - LHR
2 stops18h 25mMultiple Airlines
Fri 7/1106:30LHR - SDF
2 stops18h 44mMultiple Airlines
Deal found 10/6£472
Wed 27/813:30CVG - LHR
1 stop12h 00mUnited Airlines
Wed 15/1014:05LHR - CVG
2 stops28h 02mUnited Airlines
Deal found 10/6£477
Wed 20/816:04LEX - LHR
1 stop10h 51mBritish Airways
Fri 29/810:50LHR - LEX
2 stops17h 33mBritish Airways
Deal found 12/6£478
Wed 27/809:30CVG - LHR
2 stops16h 00mAir Canada
Wed 15/1014:05LHR - CVG
2 stops28h 02mAir Canada
Deal found 10/6£482
Wed 6/811:00CVG - LHR
1 stop16h 50mDelta
Wed 20/806:15LHR - CVG
1 stop13h 55mDelta
Deal found 9/6£484
Wed 30/715:21SDF - LHR
1 stop10h 54mVirgin Atlantic
Fri 3/1009:20LHR - SDF
1 stop12h 30mVirgin Atlantic
Deal found 11/6£485
Mon 28/716:03CVG - LHR
1 stop11h 02mBritish Airways
Mon 18/819:25LHR - CVG
2 stops28h 08mBritish Airways
Deal found 9/6£487
Mon 4/819:43TYS - LHR
2 stops34h 42mVirgin Atlantic
Tue 19/806:15LHR - TYS
2 stops18h 51mVirgin Atlantic
Deal found 11/6£489
Wed 20/812:00TYS - LHR
1 stop14h 40mUnited Airlines
Wed 27/814:05LHR - TYS
2 stops31h 55mUnited Airlines
Deal found 10/6£495
Tue 14/1010:55SDF - LHR
1 stop14h 25mUnited Airlines
Tue 21/1014:05LHR - SDF
2 stops29h 46mUnited Airlines
Deal found 10/6£495

Cheapflights Fare Finder

Customise your flight search to find flights from Kentucky to Heathrow 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 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Kentucky to London Heathrow Airport that are best for you.

Fly from

Kentucky

Fly to

Heathrow

Route

Depart

Return

Price

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 6/10

07:15-18:50

2 stops30h 35m

London Heathrow

Mon 13/10

11:20-11:55

2 stops29h 35m

£406

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 30/7

07:00-10:00

2 stops22h 00m

London Heathrow

Fri 3/10

14:05-12:18

2 stops27h 13m

£471

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 29/10

08:45-07:10

2 stops18h 25m

London Heathrow

Fri 7/11

06:30-20:14

2 stops18h 44m

£472

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 27/8

13:30-06:30

1 stop12h 00m

London Heathrow

Wed 15/10

14:05-13:07

2 stops28h 02m

£477

LexingtonLondon

LEX - LHR

LEXLHR

Lexington Blue Grass

Wed 20/8

16:04-07:55

1 stop10h 51m

London Heathrow

Fri 29/8

10:50-23:23

2 stops17h 33m

£478

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 27/8

09:30-06:30

2 stops16h 00m

London Heathrow

Wed 15/10

14:05-13:07

2 stops28h 02m

£482

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Wed 6/8

11:00-08:50

1 stop16h 50m

London Heathrow

Wed 20/8

06:15-15:10

1 stop13h 55m

£484

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 30/7

15:21-07:15

1 stop10h 54m

London Heathrow

Fri 3/10

09:20-16:50

1 stop12h 30m

£485

CincinnatiLondon

CVG - LHR

CVGLHR

Cincinnati Cinci./N. Kentucky

Mon 28/7

16:03-08:05

1 stop11h 02m

London Heathrow

Mon 18/8

19:25-18:33

2 stops28h 08m

£487

KnoxvilleLondon

TYS - LHR

TYSLHR

Knoxville McGhee Tyson

Mon 4/8

19:43-11:25

2 stops34h 42m

London Heathrow

Tue 19/8

06:15-20:06

2 stops18h 51m

£489

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Heathrow

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

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

Currently, January is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £112). Flying from Kentucky to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from Kentucky to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from Kentucky to London Heathrow Airport, 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 Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Kentucky to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
1,624 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
8,790 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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 Heathrow. 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 Heathrow Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £170. Users have also found prices from £227 and £281 on JetBlue and Air Canada, respectively.

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

    When deciding which route to take from Kentucky to London Heathrow Airport consider Nashville Intl - London Heathrow, Cincinnati Cinci./N. Kentucky - London Heathrow or Louisville Intl - London Heathrow as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Kentucky to London Heathrow Airport (average of £112). Flying from Kentucky to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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Alternative routes for Kentucky to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kentucky to Heathrow

Discover the top 2 airlines that operate flights from Kentucky to Heathrow. 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 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£531Average£754FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£722Average£826FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kentucky to Heathrow?

Deals for Kentucky to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kentucky to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Kentucky to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Kentucky to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Kentucky? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Kentucky to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Kentucky to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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