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Cheap flights from London Heathrow Airport to Louisville from £454

LHR — SDF
2 Nov — 9 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

Mon 16/1106:40 -
2 stops21h 13m
Mon 23/1115:00 -
2 stops20h 00m
Deal found 2/10£582
Sun 22/1106:40 -
2 stops22h 30m
Fri 27/1115:00 -
2 stops20h 00m
Deal found 29/9£589
Sun 15/1106:40 -
2 stops19h 14m
Sun 22/1113:01 -
2 stops21h 59m
Deal found 1/10£605
Mon 2/1106:40 -
2 stops22h 19m
Mon 16/1113:01 -
2 stops21h 59m
Deal found 29/9£606
Wed 28/1006:40 -
2 stops21h 19m
Wed 4/1111:06 -
2 stops25h 34m
Deal found 30/9£620
Thu 12/1119:30 -
2 stops33h 40m
Mon 16/1115:00 -
2 stops21h 40m
Deal found 1/10£629
Fri 13/1118:00 -
2 stops28h 00m
Fri 20/1107:00 -
2 stops18h 30m
Deal found 29/9£666
Mon 7/1207:30 -
2 stops19h 08m
Mon 14/1210:13 -
1 stop17h 22m
Deal found 28/9£687
Mon 2/1106:35 -
2 stops16h 57m
Mon 16/1117:57 -
1 stop13h 03m
Deal found 29/9£691
Mon 7/1212:35 -
1 stop14h 03m
Mon 14/1218:26 -
1 stop10h 59m
Deal found 28/9£691

Find flight deals from Heathrow to Louisville

Round-trip from

£582

One-way from

£454

Popular in

March

Cheapest in

February

Average price

£728
Scandinavian Airlines
  • Scandinavian Airlines
  • 16/11-23/11
  • 4 total stops
  • 41h 13m 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 (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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

£454

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

£486
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 9/1

06:35-18:29

2 stops16h 54m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£517

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 9/1

10:50-00:02

1 stop18h 12m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£528

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 9/1

08:40-00:02

2 stops44h 22m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£534

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 20/10

17:40-13:59

2 stops25h 19m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£598

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 25/10

21:35-18:18

2 stops24h 43m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£603

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sun 15/11

06:40-20:54

2 stops19h 14m

Louisville Intl

Sun 22/11

13:01-16:00

2 stops21h 59m

£605

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 22/10

07:40-09:45

3 stops31h 05m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£618

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 25/3

18:00-23:15

1 stop33h 15m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£627

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 16 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 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 £629). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,104). 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 £601 and £740 in November.
The cheapest return price found within the last 5 days was £582 on Scandinavian Airlines (16 Nov–23 Nov).

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
10,280 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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
10,280 reviews
United Airlines
7.4
Good
10,280 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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
10,280 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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
12,124 reviews
United Airlines
7.4
Good
10,280 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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
8,243 reviews
United Airlines
7.4
Good
10,280 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

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 fly from London Heathrow Airport to Louisville in about 19h 14m. 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 British Airways is currently your cheapest option to Louisville, with prices starting at £531. Additional return tickets that might be worth considering are offered by United Airlines and Virgin Atlantic, with the lowest prices starting at £601 and £666, 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 £629). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,104). 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£531Average£773FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£601Average£821FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£666Average£765FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£764Average£961FlexibilityNo 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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