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Cheap flights from London Heathrow Airport to Louisville from £437

LHR — SDF
28 Oct — 4 Nov1
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 27/1219:30 -
2 stops33h 53m
Sun 10/115:24 -
2 stops36h 56m
Deal found 26/9£598
Mon 9/1106:40 -
2 stops21h 13m
Mon 16/1115:00 -
2 stops25h 40m
Deal found 25/9£611
Mon 2/1106:40 -
2 stops22h 19m
Mon 16/1113:01 -
2 stops21h 59m
Deal found 25/9£612
Wed 7/1018:40 -
2 stops34h 19m
Tue 13/1013:20 -
2 stops21h 40m
Deal found 28/9£630
Sat 7/1117:00 -
2 stops32h 35m
Sat 14/1113:30 -
2 stops14h 50m
Deal found 23/9£632
Mon 9/1106:40 -
2 stops22h 30m
Sun 15/1113:01 -
2 stops24h 29m
Deal found 27/9£653
Sun 8/1106:40 -
2 stops18h 55m
Sun 15/1113:01 -
2 stops24h 29m
Deal found 24/9£654
Mon 2/1114:45 -
1 stop35h 14m
Mon 16/1113:25 -
1 stop12h 25m
Deal found 25/9£658
Tue 24/1109:00 -
2 stops16h 52m
Sun 29/1118:18 -
1 stop21h 17m
Deal found 25/9£682
Mon 9/1106:50 -
2 stops15h 12m
Mon 16/1106:00 -
1 stop10h 20m
Deal found 25/9£689

Find flight deals from Heathrow to Louisville

Round-trip from

£598

One-way from

£437

Popular in

March

Cheapest in

February

Average price

£856
Scandinavian Airlines
  • Scandinavian Airlines
  • 27/12-10/1
  • 4 total stops
  • 70h 49m total
  • London to Louisville
Search Deals
4/12-31/12
  • 4/12-31/12
  • 3 total stops
  • 53h 34m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£18 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 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

19:55-20:29

3 stops53h 34m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£437

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 11/1

08:40-21:41

2 stops18h 01m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£460

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

08:45-23:54

2 stops20h 09m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£490

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 22/3

06:30-19:01

2 stops16h 31m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£501

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

£508
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 14/11

12:35-21:36

1 stop14h 01m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£520

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 21/3

08:45-19:07

2 stops38h 22m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£525

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 21/3

08:55-22:35

1 stop17h 40m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£559

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 27/12

19:30-00:23

2 stops33h 53m

Louisville Intl

Sun 10/1

15:24-09:20

2 stops36h 56m

£598

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 7/11

17:00-20:35

2 stops32h 35m

Louisville Intl

Sat 14/11

13:30-09:20

2 stops14h 50m

£632

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 15 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 6 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 £627). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,102). 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 £600 and £739 in December.
The cheapest return price found within the last 5 days was £598 on Scandinavian Airlines (27 Dec–10 Jan).

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
10,246 reviews
Check prices

Overall

7.4

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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
10,246 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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
10,246 reviews
Check prices

Overall

7.4

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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
7.0
Good
12,097 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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
8,238 reviews
United Airlines
7.4
Good
10,246 reviews
Check prices

Overall

7.4

Food

6.7

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

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 52m. The time it takes to get you to your destination can typically vary by up to 17h 01m. 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 £530. Additional return tickets that might be worth considering are offered by United Airlines and Virgin Atlantic, with the lowest prices starting at £600 and £664, 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 £627). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,102). 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£530Average£772FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£600Average£819FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£664Average£764FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£763Average£959FlexibilityNo 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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