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Cheap flights from London Heathrow Airport to Louisville from £401

LHR — SDF
20 Oct — 27 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 13/1006:40 -
2 stops19h 53m
Tue 20/1015:26 -
2 stops25h 14m
Deal found 15/9£609
Wed 7/1017:00 -
2 stops34h 37m
Tue 13/1013:59 -
2 stops23h 31m
Deal found 18/9£620
Wed 7/1018:40 -
2 stops32h 57m
Sat 17/1015:26 -
2 stops21h 14m
Deal found 19/9£621
Mon 2/1106:40 -
2 stops22h 19m
Mon 16/1115:00 -
2 stops21h 40m
Deal found 17/9£636
Mon 9/1106:40 -
2 stops21h 13m
Wed 18/1113:01 -
2 stops21h 59m
Deal found 15/9£639
Fri 30/1006:40 -
2 stops21h 19m
Fri 6/1113:59 -
2 stops21h 01m
Deal found 15/9£644
Fri 11/1206:40 -
2 stops21h 23m
Wed 30/1214:20 -
2 stops20h 40m
Deal found 19/9£651
Wed 4/1110:05 -
1 stop15h 54m
Wed 11/1113:25 -
1 stop13h 50m
Deal found 18/9£657

Find flight deals from Heathrow to Louisville

Round-trip from

£609

One-way from

£401

Popular in

March

Cheapest in

February

Average price

£846
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/10-20/10
  • 4 total stops
  • 45h 07m total
  • London to Louisville
Search Deals
1/12-31/12
  • 1/12-31/12
  • 3 total stops
  • 33h 17m 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

Sun 6/12

09:00-15:26

2 stops35h 26m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£439

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 1/12

09:00-21:00

2 stops17h 00m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£449

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 30/11

07:30-22:30

2 stops20h 00m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£453

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 30/11

07:30-19:30

2 stops17h 00m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£458

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Tue 1/12

15:40-09:38

1 stop22h 58m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£476

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 15/10

14:10-09:59

2 stops48h 49m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£478

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 30/11

08:55-00:10

1 stop20h 15m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£489

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

09:00-23:54

2 stops19h 54m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£490
Fastest return journey

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Mon 30/11

14:30-23:56

1 stop14h 26m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£493

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Fri 4/12

14:45-10:22

1 stop24h 37m

Louisville Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£516

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 21 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 £620). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,090). 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 £663 and £827 in October.
The cheapest return price found within the last 5 days was £609 on Scandinavian Airlines (13 Oct–20 Oct).

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
10,230 reviews
Check prices

Food

6.7

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
10,230 reviews
United Airlines
7.4
Good
10,230 reviews
Check prices

Food

6.7

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
10,230 reviews
Check prices

Food

6.7

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
12,085 reviews
United Airlines
7.4
Good
10,230 reviews
Check prices

Food

6.7

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
8,225 reviews
United Airlines
7.4
Good
10,230 reviews
Check prices

Food

6.7

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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, Lufthansa, and United Airlines fly from London Heathrow Airport to Louisville in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 5h 59m. 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 United Airlines and Virgin Atlantic, with the lowest prices starting at £564 and £648, 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 £620). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,090). 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£769FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£593Average£810FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£657Average£755FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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