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Cheap flights from London Heathrow Airport to Louisville from £456

LHR — SDF
15 Oct — 22 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 1/1221:05 -
3 stops29h 46m
Tue 8/1213:30 -
2 stops24h 00m
Deal found 11/9£618
Mon 2/1106:40 -
2 stops22h 19m
Mon 16/1115:00 -
2 stops20h 00m
Deal found 14/9£640
Wed 28/1006:40 -
2 stops21h 19m
Wed 4/1111:06 -
2 stops26h 24m
Deal found 13/9£643
Wed 4/1106:40 -
2 stops21h 07m
Sat 14/1113:30 -
2 stops14h 50m
Deal found 13/9£656
Fri 18/1210:25 -
1 stop13h 22m
Thu 24/1206:24 -
1 stop9h 56m
Deal found 14/9£659
Sun 20/1210:25 -
1 stop13h 22m
Thu 24/1213:16 -
1 stop12h 04m
Deal found 14/9£665
Fri 18/1207:40 -
1 stop14h 40m
Mon 28/1218:00 -
1 stop13h 00m
Deal found 14/9£670
Mon 9/1106:40 -
2 stops21h 13m
Sun 15/1113:01 -
2 stops24h 29m
Deal found 13/9£673

Find flight deals from Heathrow to Louisville

Round-trip from

£618

One-way from

£456

Popular in

March

Cheapest in

February

Average price

£802
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/12-8/12
  • 5 total stops
  • 53h 46m total
  • London to Louisville
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United Airlines
  • United Airlines
  • 28/10-31/12
  • 2 total stops
  • 18h 17m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 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
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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

Tue 27/10

11:05-18:32

2 stops35h 27m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£467
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 29/10

08:00-18:32

2 stops14h 32m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£521

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 21/10

07:45-19:24

2 stops16h 39m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£563

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 11/10

11:05-12:54

3 stops54h 49m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£574

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 11/10

13:25-09:32

2 stops25h 07m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£597

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 24/10

12:15-23:27

2 stops16h 12m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£605

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 1/12

21:05-21:51

3 stops29h 46m

Louisville Intl

Tue 8/12

13:30-18:30

2 stops24h 00m

£618

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 2/11

06:40-23:59

2 stops22h 19m

Louisville Intl

Mon 16/11

15:00-16:00

2 stops20h 00m

£642

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 7/10

08:40-20:31

2 stops16h 51m

Louisville Intl

Sun 11/10

18:30-21:35

1 stop22h 05m

£699

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

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 18 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

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 £616). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,082). 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 £723 and £861 in December.
The cheapest return price found within the last 5 days was £618 on Scandinavian Airlines (1 Dec–8 Dec).

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
10,214 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.4
Good
10,214 reviews
United Airlines
7.4
Good
10,214 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
Virgin Atlantic
7.4
Good
694 reviews
United Airlines
7.4
Good
10,214 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
American Airlines
7.1
Good
12,054 reviews
United Airlines
7.4
Good
10,214 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
British Airways
6.7
Okay
8,223 reviews
United Airlines
7.4
Good
10,214 reviews
Check prices

Overall

7.4

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

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 Scandinavian Airlines and United Airlines fly from London Heathrow Airport to Louisville in about 16h 51m. The time it takes to get you to your destination can typically vary by up to 12h 55m. 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 British Airways is currently your cheapest option to Louisville, with prices starting at £520. Additional return tickets that might be worth considering are offered by United Airlines and Virgin Atlantic, with the lowest prices starting at £559 and £643, respectively. Users have found that British Airways is 36% 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 £616). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,082). 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
British AirwaysCheapest£520Average£743FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£559Average£797FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£643Average£803FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£749Average£941FlexibilityNo 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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