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Cheap flights from Louisville to London Heathrow Airport from £314

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
26 feb — 5 mar1
1 adult

The best prices from Louisville Intl to London Heathrow are usually found in February or March, booked 40 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Louisville to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 febbraio 2025.

Round-trip from

£524

One-way from

£314

Popular in

December

Cheapest in

February

Average price

£612
Virgin Atlantic
  • Virgin Atlantic
  • 20/4-8/5
  • 2 total stops
  • 25h 07m total
  • Louisville to London
1/3
  • 1/3
  • 2 total stops
  • 22h 05m total
  • Louisville to London
Highest demand for flights based on searches. 9% potential increase in price (£61 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Louisville to Heathrow

Cheapest flights from Louisville to Heathrow
Explore the most affordable flight options available from Louisville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 febbraio 2025.

mer 16/414:44SDF - LHR
1 stop11h 31mUnited Airlines
mar 22/412:05LHR - SDF
2 stops30h 18mUnited Airlines
Deal found 20/2£543
mer 15/1015:34SDF - LHR
1 stop15h 41mBritish Airways
gio 30/1006:15LHR - SDF
2 stops35h 51mBritish Airways
Deal found 20/2£544
mer 16/413:44SDF - LHR
1 stop14h 16mMultiple Airlines
mar 22/413:30LHR - SDF
1 stop13h 09mMultiple Airlines
Deal found 20/2£551
dom 20/413:25SDF - LHR
1 stop14h 30mVirgin Atlantic
dom 4/509:20LHR - SDF
1 stop17h 28mVirgin Atlantic
Deal found 20/2£574
dom 13/414:44SDF - LHR
1 stop11h 01mDelta
ven 25/415:15LHR - SDF
1 stop12h 32mDelta
Deal found 20/2£584
gio 6/313:25SDF - LHR
1 stop12h 25mKLM
mar 11/312:30LHR - SDF
1 stop15h 27mKLM
Deal found 20/2£594
mar 14/1009:00SDF - LHR
2 stops16h 35mAir Canada
ven 24/1014:05LHR - SDF
2 stops29h 42mAir Canada
Deal found 20/2£606
mer 16/411:50SDF - LHR
2 stops15h 10mAer Lingus
mar 22/408:50LHR - SDF
2 stops16h 01mAer Lingus
Deal found 19/2£677
sab 8/317:00SDF - LHR
2 stops18h 00mScandinavian Airlines
mar 11/319:30LHR - SDF
2 stops32h 27mScandinavian Airlines
Deal found 20/2£795
dom 6/417:16SDF - LHR
1 stop12h 14mAmerican Airlines
dom 6/713:10LHR - SDF
1 stop14h 28mAmerican Airlines
Deal found 19/2£955

Find flights from Louisville to Heathrow within your budget

Customise your flight search to find flights from Louisville to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 febbraio 2025.

Fly from

Louisville

Fly to

Heathrow

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom 20/4

12:55-06:45

1 stop12h 50m

London Heathrow

gio 8/5

15:15-22:32

1 stop12h 17m

£524

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom 20/4

14:47-06:45

1 stop10h 58m

London Heathrow

gio 8/5

13:45-17:26

2 stops32h 41m

£542

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom 20/4

16:35-13:10

1 stop15h 35m

London Heathrow

gio 8/5

11:45-23:56

2 stops17h 11m

£544

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mer 16/4

11:50-06:50

1 stop14h 00m

London Heathrow

mar 22/4

19:25-19:29

2 stops29h 04m

£545

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom 20/4

07:29-11:50

2 stops23h 21m

London Heathrow

gio 8/5

09:30-14:30

2 stops58h 00m

£555

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom 13/4

14:44-06:45

1 stop11h 01m

London Heathrow

ven 25/4

15:15-22:47

1 stop12h 32m

£584

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

gio 6/3

13:25-06:50

1 stop12h 25m

London Heathrow

mar 11/3

12:30-23:57

1 stop15h 27m

£594

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

mer 16/4

11:50-08:00

2 stops15h 10m

London Heathrow

mar 22/4

08:50-19:51

2 stops16h 01m

£677

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

sab 8/3

17:00-16:00

2 stops18h 00m

London Heathrow

mar 11/3

19:30-23:57

2 stops32h 27m

£795

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

dom 6/4

17:16-10:30

1 stop12h 14m

London Heathrow

dom 6/7

13:10-22:38

1 stop14h 28m

£955

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 17 results
1
2

Best time to book a flight from Louisville to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Louisville with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Louisville to Heathrow

Get recent, data-driven insights about flights from Louisville to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Louisville to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Louisville to Heathrow. Price data was last updated on 14 February 2025.

The best time to book flights from Louisville to London Heathrow Airport is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Louisville to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Louisville to London Heathrow Airport (average of £112). Flying from Louisville to London Heathrow Airport in August is currently the most expensive (average of £163). 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.

What is the cheapest time of day to fly from SDF to LHR?

Find hourly flight availability from Louisville to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 febbraio 2025.

It’s typically best to fly out from Louisville to London Heathrow Airport at midday. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 21 febbraio 2025.
Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic from Louisville to London by reading reviews from past customers. 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.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Louisville to London Heathrow?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to London Heathrow. 2 airlines have flights from Louisville Intl to London Heathrow on a regular basis. Booking flights from Louisville Intl to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • What are the cheapest airlines flying from Louisville to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Louisville to London Heathrow Airport round-trip from £524. Other airlines that can offer you cheap pricing are United Airlines, from £542, and British Airways, from £545. You may be able to fly from Louisville to London Heathrow Airport for 30% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Louisville to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £383. Virgin Atlantic flights start at £383 while deals on British Airways start at £714 one-way.

  • Can I find deals for flights from Louisville to Heathrow that include hotel bookings?

    Yes. In addition to deals on Louisville to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Heathrow.

  • Can I find deals for business class flights from Louisville to Heathrow?

    Yes. Cheapflights offers flight deals from Louisville to Heathrow 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 Louisville to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Louisville to London Heathrow Airport (average of £112). Flying from Louisville to London Heathrow Airport in August is currently the most expensive (average of £163). 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

Travelling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Deal
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Northampton
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Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Louisville to Heathrow

Discover the top 2 airlines that operate flights from Louisville to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 febbraio 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£674Average£855FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£777Average£889FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Louisville to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Louisville to Heathrow. 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 Louisville to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Louisville.

Can Cheapflights find flights from Louisville to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Louisville to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Louisville to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Louisville to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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