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Cheap flights from London Heathrow Airport to Louisville from £457

LHR — SDF
10 Dec — 17 Dec1
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

Wed 16/1206:40 -
2 stops20h 11m
Wed 6/115:59 -
2 stops19h 01m
Deal found 6/11£569
Tue 24/1110:25 -
1 stop13h 07m
Mon 30/1114:10 -
1 stop10h 45m
Deal found 8/11£572
Tue 24/1119:30 -
2 stops32h 43m
Sun 29/1115:00 -
2 stops25h 40m
Deal found 7/11£593
Tue 24/1107:40 -
1 stop14h 17m
Sun 29/1109:02 -
1 stop15h 53m
Deal found 8/11£594
Thu 24/1219:30 -
2 stops31h 20m
Wed 13/115:59 -
2 stops19h 01m
Deal found 9/11£603
Wed 25/1106:40 -
2 stops21h 33m
Sun 29/1115:00 -
2 stops20h 00m
Deal found 7/11£625
Thu 12/1118:40 -
2 stops33h 13m
Wed 25/1113:01 -
2 stops21h 59m
Deal found 8/11£636
Sun 27/1206:40 -
2 stops22h 43m
Sun 10/115:59 -
2 stops36h 21m
Deal found 7/11£701
Tue 8/1209:00 -
2 stops17h 00m
Tue 15/1214:05 -
1 stop11h 15m
Deal found 8/11£720
Tue 24/1116:45 -
2 stops34h 45m
Sun 29/1118:30 -
1 stop33h 05m
Deal found 7/11£730
Tue 24/1115:10 -
1 stop13h 20m
Sun 29/1117:57 -
1 stop32h 58m
Deal found 7/11£743

Find flight deals from Heathrow to Louisville

Round-trip from

£569

One-way from

£457

Popular in

March

Cheapest in

February

Average price

£682
Scandinavian Airlines
  • Scandinavian Airlines
  • 16/12-6/1
  • 4 total stops
  • 39h 12m total
  • London to Louisville
Search Deals
9/12-31/12
  • 9/12-31/12
  • 3 total stops
  • 58h 48m total
  • London to Louisville
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

Wed 9/12

06:00-11:48

3 stops58h 48m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£457

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 9/12

07:50-21:37

2 stops18h 47m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£522

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 11/12

08:50-22:34

2 stops18h 44m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£547

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 21/1

06:40-23:59

2 stops22h 19m

Louisville Intl

Mon 25/1

15:59-16:00

2 stops19h 01m

£594

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 25/11

06:40-23:13

2 stops21h 33m

Louisville Intl

Sun 29/11

15:00-16:00

2 stops20h 00m

£625

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 8/12

09:00-21:00

2 stops17h 00m

Louisville Intl

Tue 15/12

13:59-09:10

2 stops14h 11m

£720

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 16/12

12:35-21:37

1 stop14h 02m

Louisville Intl

Wed 6/1

10:17-08:35

1 stop17h 18m

£744

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 10/12

11:00-21:37

1 stop15h 37m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£747
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 18/11

14:10-21:46

1 stop12h 36m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£754

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 5/4

07:25-19:34

2 stops17h 09m

Louisville Intl

Thu 29/4

14:20-10:25

2 stops15h 05m

£759

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 23 resultsSorted by cheapest first
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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 62 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 £590). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,089). 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 £651 and £741 in December.
The cheapest return price found within the last 5 days was £569 on Scandinavian Airlines (16 Dec–6 Jan).

Reviews of airlines servicing Louisville

Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, 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.
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Overall

7.5

Crew

8.1

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
698 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Overall

7.5

Crew

8.1

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.3
Good
10,472 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Overall

7.5

Crew

8.1

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
American Airlines
7.0
Good
12,228 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Overall

7.5

Crew

8.1

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,285 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Overall

7.5

Crew

8.1

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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, United Airlines, and Iberia fly from London Heathrow Airport to Louisville in about 14h 02m. The time it takes to get you to your destination can typically vary by up to 8h 17m. 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 £524. Additional return tickets that might be worth considering are offered by Virgin Atlantic and United Airlines, with the lowest prices starting at £647 and £674, respectively. Users have found that British Airways is 37% 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 £590). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,089). 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£524Average£788FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£647Average£808FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£674Average£827FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£754Average£948FlexibilityNo 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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