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Cheap flights from London Heathrow Airport to Louisville from £444

LHR — SDF
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Louisville

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Louisville

Tue 20/1006:40 -
2 stops22h 19m
Tue 27/1013:20 -
2 stops22h 40m
Deal found 5/9£590
Mon 2/1108:55 -
1 stop17h 43m
Sun 8/1117:57 -
1 stop31h 28m
Deal found 9/9£628
Mon 9/1106:40 -
2 stops22h 30m
Sun 15/1113:01 -
2 stops24h 29m
Deal found 6/9£650
Wed 7/1008:55 -
1 stop17h 30m
Tue 13/1018:07 -
1 stop11h 43m
Deal found 5/9£663
Mon 2/1106:15 -
2 stops20h 22m
Sun 8/1110:13 -
1 stop17h 22m
Deal found 9/9£677
Sun 27/1209:50 -
1 stop18h 16m
Sun 10/117:45 -
1 stop33h 05m
Deal found 6/9£686
Wed 7/1010:25 -
1 stop14h 48m
Tue 13/1013:25 -
1 stop12h 50m
Deal found 8/9£688

Find flight deals from Heathrow to Louisville

Round-trip from

£590

One-way from

£444

Popular in

March

Cheapest in

February

Average price

£720
Scandinavian Airlines
  • Scandinavian Airlines
  • 20/10-27/10
  • 4 total stops
  • 44h 59m total
  • London to Louisville
Search Deals
4/12-31/12
  • 4/12-31/12
  • 3 total stops
  • 37h 22m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

06:30-18:12

2 stops16h 42m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£484
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

12:35-21:37

1 stop14h 02m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£503

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 2/1

18:45-09:45

2 stops44h 00m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£627

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 8/10

17:40-16:51

3 stops52h 11m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£652

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 10/2

09:00-20:32

2 stops16h 32m

Louisville Intl

Wed 17/2

13:55-12:00

1 stop17h 05m

£689

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 14/10

06:50-17:40

2 stops15h 50m

Louisville Intl

Sun 18/10

15:37-07:45

1 stop35h 08m

£703

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 7/10

09:55-21:13

2 stops16h 18m

Louisville Intl

Tue 13/10

11:06-06:20

2 stops14h 14m

£714

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 29/9

07:25-19:11

2 stops16h 46m

Louisville Intl

Tue 27/10

13:45-09:10

1 stop15h 25m

£715

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 1/10

11:10-22:33

1 stop16h 23m

Louisville Intl

Sun 18/10

17:19-06:50

1 stop32h 31m

£730

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 22/10

07:30-19:11

2 stops16h 41m

Louisville Intl

Thu 29/10

11:15-06:40

2 stops15h 25m

£745

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Best time to book a flight from Heathrow to Louisville

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Louisville

How far ahead should I book a flight from London Heathrow Airport to Louisville?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Louisville, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £613). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,077). 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 for a return flight from London Heathrow Airport to Louisville?

Airfare is typical for this route at the moment.

London Heathrow Airport to Louisville flights typically cost between £489 and £837 in October.
The cheapest return price found within the last 5 days was £590 on Scandinavian Airlines (20 Oct–27 Oct).

Reviews of airlines servicing Louisville

Read reviews from past customers who have flown with United Airlines,Virgin Atlantic, andAmerican Airlines from London Heathrow Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,194 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
United Airlines
7.4
Good
10,194 reviews
United Airlines
7.4
Good
10,194 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
Virgin Atlantic
7.4
Good
694 reviews
United Airlines
7.4
Good
10,194 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
American Airlines
7.1
Good
12,047 reviews
United Airlines
7.4
Good
10,194 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
British Airways
6.7
Okay
8,210 reviews
United Airlines
7.4
Good
10,194 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

Related info for your journey

  • What airport do you fly into for flights to Louisville from London Heathrow?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from London Heathrow. On average, Louisville Intl has 0 inbound flights from London Heathrow per day from 4 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • How long is the flight from London Heathrow Airport to Louisville?

    Airlines like United Airlines and Delta fly from London Heathrow Airport to Louisville in about 16h 18m. The time it takes to get you to your destination can typically vary by up to 14m. Airlines will cover a distance of 4033 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Louisville round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to Louisville, with prices starting at £471. Additional return tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at £518 and £557, respectively. Users have found that Virgin Atlantic is 41% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Louisville 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 London Heathrow Airport to Louisville?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £613). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,077). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Heathrow to Louisville

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£471Average£746FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£518Average£722FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£557Average£794FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£746Average£938FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Louisville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Louisville for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Louisville with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Louisville from Heathrow today and book when prices fit your budget.

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