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Cheap flights from London Heathrow Airport to Louisville from £485

LHR — SDF
18 Sep — 25 Sep1
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

Sun 20/911:05 -
1 stop13h 02m
Sat 26/913:25 -
1 stop14h 55m
Deal found 18/8£570
Thu 1/1006:40 -
2 stops20h 19m
Sun 18/1015:26 -
2 stops19h 34m
Deal found 17/8£591
Wed 30/921:05 -
3 stops29h 54m
Wed 7/1013:20 -
2 stops15h 00m
Deal found 16/8£597
Wed 7/1018:40 -
2 stops32h 57m
Tue 13/1013:59 -
2 stops21h 01m
Deal found 14/8£599
Thu 3/1218:40 -
2 stops33h 20m
Mon 7/1215:00 -
2 stops21h 40m
Deal found 14/8£601
Sat 29/811:05 -
1 stop13h 01m
Sat 5/917:45 -
1 stop13h 10m
Deal found 15/8£602
Wed 7/1017:00 -
2 stops35h 59m
Sat 17/1013:59 -
2 stops22h 41m
Deal found 17/8£606
Wed 16/918:40 -
2 stops32h 19m
Wed 23/912:39 -
2 stops22h 21m
Deal found 14/8£636
Thu 1/1009:20 -
1 stop16h 13m
Sun 18/1019:55 -
1 stop30h 20m
Deal found 15/8£638
Wed 7/1014:25 -
1 stop36h 00m
Tue 13/1018:07 -
1 stop13h 08m
Deal found 14/8£641

Find flight deals from Heathrow to Louisville

Round-trip from

£570

One-way from

£485

Popular in

July

Cheapest in

September

Average price

£796
United Airlines
  • United Airlines
  • 20/9-26/9
  • 2 total stops
  • 27h 57m total
  • London to Louisville
Search Deals
Lufthansa
  • Lufthansa
  • 1/10
  • 2 total stops
  • 16h 54m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£83 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 August 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

Thu 3/12

18:40-23:00

2 stops33h 20m

Louisville Intl

Mon 7/12

15:00-17:40

2 stops21h 40m

£601

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 7/10

17:00-23:59

2 stops35h 59m

Louisville Intl

Sat 17/10

13:59-17:40

2 stops22h 41m

£606

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 11/11

07:05-00:05

3 stops22h 00m

Louisville Intl

Sat 14/11

13:30-21:40

2 stops27h 10m

£654

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 2/10

06:40-21:59

2 stops20h 19m

Louisville Intl

Fri 9/10

13:20-16:00

2 stops21h 40m

£694

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 16/9

12:00-20:09

1 stop13h 09m

Louisville Intl

Tue 22/9

06:15-21:25

1 stop10h 10m

£709

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 16/9

08:00-17:38

1 stop14h 38m

Louisville Intl

Mon 21/9

06:15-21:35

1 stop10h 20m

£709

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 14/9

12:15-20:09

1 stop12h 54m

Louisville Intl

Wed 23/9

18:10-10:25

1 stop11h 15m

£709
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 30/9

12:15-19:24

1 stop12h 09m

Louisville Intl

Wed 7/10

06:15-21:25

1 stop10h 10m

£712

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 14/9

10:00-19:55

1 stop14h 55m

Louisville Intl

Mon 28/9

13:25-05:55

1 stop11h 30m

£713
Cheapest one-way
Fastest single journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 1/10

07:30-19:24

2 stops16h 54m

£485

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £489). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £1,034). 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 below average for this route at the moment.

London Heathrow Airport to Louisville flights typically cost between £574 and £1,018 in September.
The cheapest return price found within the last 5 days was £570 on United Airlines (20 Sept–26 Sept).

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
10,105 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Crew

8.1

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
10,105 reviews
United Airlines
7.4
Good
10,105 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Crew

8.1

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
695 reviews
United Airlines
7.4
Good
10,105 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Crew

8.1

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
11,966 reviews
United Airlines
7.4
Good
10,105 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Crew

8.1

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!
Lufthansa
6.8
Okay
8,202 reviews
United Airlines
7.4
Good
10,105 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Crew

8.1

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
8,179 reviews
United Airlines
7.4
Good
10,105 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Crew

8.1

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 5 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 Scandinavian Airlines fly from London Heathrow Airport to Louisville in about 33h 20m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4033 mi.

  • 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 £472. Additional return tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at £476 and £480, respectively. Users have found that Virgin Atlantic is 39% 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £489). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £1,034). 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 5 airlines flying from Heathrow to Louisville

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£472Average£740FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£476Average£695FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£480Average£562FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£519Average£718FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£590Average£906FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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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