To London

Cheap Flights from Louisville to London

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RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Louisville to London

Explore current cheapest deals departing from Louisville to London

Round trip

Sort by: Cheapest

August 16 - August 29

Cheapest

Best

SDF - London

$921

$692

Round trip

August 1 - August 8

Earliest

SDF - London

$948

$708

Round trip

September 3 - September 19

SDF - London

$823

$739

Round trip

August 2 - August 8

SDF - London

$950

$740

Round trip

August 15 - August 28

SDF - London

$919

$742

Round trip

August 5 - August 19

SDF - London

$900

$743

Round trip

September 16 - September 25

SDF - London

$860

$759

Round trip

September 5 - September 12

SDF - London

$864

$763

Round trip

September 2 - September 9

SDF - London

$860

$781

Round trip

October 10 - October 12

SDF - London

$860

$786

Round trip

Unlock all 500+ flight deals to London and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Louisville to London

Flights from Louisville to London typically cost $685–$1056, with a median of $857. Right now, fares are near the typical level, and about 18% of recent fares are considered a good price. If you are looking for cheap flights from Louisville to London, new deals appear almost daily, suggesting frequent opportunities to find competitive pricing.

When is the cheapest time to fly from Louisville to London? The data indicates that February is the most affordable month, with a median fare of just $389. January also offers lower prices, with a median of $521, followed by October at a median of $685. Planning your trip during these months can significantly reduce your travel costs.

A typical journey from Louisville to London takes about 24h 50m, including connections. This is a long-haul route covering a distance of 6521 km. Most itineraries connect at least once, and when they do, the typical number of connections is 3.

There are no direct flights from Louisville to London. Most itineraries connect at least once, with the median number of stopovers being 3. This means you should expect a multi-stop journey when planning your trip between these two cities.

How much is a round trip from Louisville to London

Regular price: $773 - $1,369

Prices are currently below the regular range.

The regular price range for flights from Louisville to London Gatwick is $773 to $1369. The current lowest deal is $692 with Allegiant Air, for travel from Aug 16-Aug 29.

now $692

Low $773

High $1,369

The cheapest time to fly from Louisville to London

The cheapest month to fly from Louisville to London is February, with a median price of $389. The most expensive month is November, with a median price of $1370. Prices are generally lower from January to October.

February

Cheapest

Flights from $389

November

Most Expensive

Flights from $1,370

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Louisville to London

Breeze Airways

United Airlines

British Airways

Allegiant Air

Last-minute flights going from Louisville to London

Wed, Jul 8

⌛ Last-Minute

SDF - London

Louisville (SDF) - London (LHR)

British Airways

$994

$1,142

One-way

Wed, Jul 8

⌛ Last-Minute

SDF - London

Louisville (SDF) - London (LHR)

Breeze Airways

$959

$1,173

One-way

Wed, Jul 15

⌛ Last-Minute

SDF - London

Louisville (SDF) - London (LHR)

Deutsche Luft Hansa

$955

$1,098

One-way

Sun, Jul 19

⌛ Last-Minute

SDF - London

Louisville (SDF) - London (LHR)

United Airlines

$930

$1,071

One-way

Sun, Jul 19

⌛ Last-Minute

SDF - London

Louisville (SDF) - London (LHR)

United Airlines

$954

$1,148

One-way

Thu, Jul 23

⌛ Last-Minute

SDF - London

Louisville (SDF) - London (LHR)

Breeze Airways

$943

$1,103

One-way

Biggest price drops on these dates for flights from Louisville to London

7 nights

Aug 1 - Aug 8

$948 → $708

25%

13 nights

Aug 16 - Aug 29

$921 → $692

25%

6 nights

Aug 2 - Aug 8

$950 → $740

22%

13 nights

Aug 15 - Aug 28

$919 → $742

19%

Popular Airports to fly from Louisville to London

Louisville - London route insights

💸 Price insights

Recent fares are near the typical level.

Recent fares from Louisville to London are near the typical level of $857.

📅 Best time to fly

February is historically the cheapest month to fly.

Historically, February is the cheapest month to fly, with a median price of $389.

⏱️ Flight duration

Connecting flights take 24h 50m on average.

Flights from Louisville to London typically involve connections, with an average total travel time of 24h 50m.

✈️ Airlines & availability

Connecting flights are dominant for this route.

This route is connecting dominant, with 0% direct flights and 3 median stopovers when connecting.

🏆 Airline highlight

Allegiant Air has recent deals for $692.

Allegiant Air recently offered a deal for $692 from Louisville to London.

🎯 Booking tip

Deals appear frequently, about once a day.

Deals for flights from Louisville to London appear frequently, approximately once per day.

Louisville main airports to depart from

Louisville International (SDF)

Cheapest

Louisville International offers a convenient departure point for flights to London, often with competitive pricing.

📍 ~10 km from Louisville city center (reachable by car)

💸 Flights from ~$692

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights from Louisville to London.

📍 ~40 km from London city center.

💸 Flights from ~$692

Heathrow (LHR)

Heathrow Airport is a major hub for flights from Louisville to London.

📍 ~25 km from London city center.

💸 Flights from ~$786

London City (LCY)

London City Airport provides a close-to-center arrival point for flights from Louisville to London.

📍 ~10 km from London city center.

💸 Flights from ~$932

London Southend (SEN)

London Southend Airport is an option for flights from Louisville to London.

📍 ~60 km from London city center.

💸 Flights from ~$968

London Stansted (STN)

London Stansted Airport is a good choice for flights from Louisville to London.

📍 ~50 km from London city center.

💸 Flights from ~$824

Luton (LTN)

Luton Airport serves as an arrival point for flights from Louisville to London.

📍 ~45 km from London city center.

💸 Flights from ~$769

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Consider Birmingham as a major international hub with a wide variety of long-haul and short-haul destinations.

📍 ~150 km from London (reachable by rail)

💸 Flights from ~$794

Southampton (SOU)

Southampton is geographically the closest alternative airport to the London area with a small terminal.

📍 ~100 km from London (reachable by rail)

💸 Flights from ~$833

Bristol (BRS)

Bristol offers a large selection of low-cost carrier routes across Europe for alternative travel.

📍 ~170 km from London (reachable by coach or rail)

💸 Flights from ~$805

East Midlands (EMA)

East Midlands has a strong presence of budget airlines offering competitive pricing for your journey.

📍 ~170 km from London (reachable by car)

💸 Flights from ~$1334

Bournemouth (BOH)

Bournemouth is an alternative option for travelers in South West London or the Home Counties.

📍 ~150 km from London (reachable by rail)

💸 Flights from ~$1331

Business & First Class Flight Deals to London

77% AI deal score

$2,986

From SDF

Elite

Sep 05

London, United Kingdom

76% AI deal score

$6,582

$5,580

Save $1,002

From SDF

Elite

Sep 05

London, United Kingdom

76% AI deal score

$6,591

$5,607

Save $984

From SDF

Elite

Sep 06

London, United Kingdom

76% AI deal score

London, United Kingdom

67% AI deal score

$15,099

From SDF

Elite

Jul 15

London, United Kingdom

67% AI deal score

$15,099

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you compare prices across different airlines and booking platforms. Looking into flights with layovers may also present lower-cost options.

Booking flights in advance often provides better prices, though the ideal booking window can vary. Prices may fluctuate, so monitoring fares over time can help you identify a good deal. Mid-week bookings might sometimes offer more competitive rates.

Comparing nearby airports can sometimes uncover different flight options or potentially lower fares. While it may add to travel time, the savings could be significant. Always factor in the cost and convenience of ground transportation to and from alternative airports.

Related routes

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Cheap Flights from Louisville to London

Today’s best flight deals from Louisville to London

Unlock all 500+ flight deals to London and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Louisville to London

How much is a round trip from Louisville to London

The cheapest time to fly from Louisville to London

Direct flights from Louisville to London

Last-minute flights going from Louisville to London

Biggest price drops on these dates for flights from Louisville to London

Popular Airports to fly from Louisville to London

Louisville - London route insights

Recent fares are near the typical level.

February is historically the cheapest month to fly.

Connecting flights take 24h 50m on average.

Connecting flights are dominant for this route.

Allegiant Air has recent deals for $692.

Deals appear frequently, about once a day.

Louisville main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

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Frequently Asked Questions About Flights to London

How can I find cheap flights from Louisville to London?

How can I find cheap flights from Louisville to London?

When should I book flights from Louisville to London?

When should I book flights from Louisville to London?

Should I compare nearby airports for flights from Louisville to London?

Should I compare nearby airports for flights from Louisville to London?

Are direct flights from Louisville to London always the best option?