London

$348+ Cheap flights from Louisville (SDF) to London (LON)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LON
Dec 23 — Dec 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to London with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Louisville Intl to London are usually found in October or February, booked 46 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Louisville to London

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to London (LON). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$653
(Kiwi.com)

One-way from

$348
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,155
Provider with most accurate pricing for Louisville Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-London (LON) flights.
From Louisville Intl to London (LON)
One-way flight from Louisville Intl to London (LON)
High demand for flights, 21% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Louisville to London

Cheapest flights from Louisville to London
Explore the most affordable flight options available from Louisville to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:55 amSDF - LHR
1 stop16h 00mUnited Airlines
Mon 1/62:25 pmLHR - SDF
2 stops34h 23mUnited Airlines
Deal found 12/16$1,185
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:58 pmSDF - LHR
1 stop10h 17mAmerican Airlines
Mon 1/68:40 amLHR - SDF
1 stop12h 41mAmerican Airlines
Deal found 12/16$1,465
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:00 amSDF - LHR
3 stops22h 20mMultiple Airlines
Mon 1/69:40 pmLHR - SDF
2 stops26h 19mMultiple Airlines
Deal found 12/16$1,666
This Scandinavian Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/214:36 pmSDF - LHR
2 stops18h 24mScandinavian Airlines
Mon 12/236:40 amLHR - SDF
2 stops22h 17mScandinavian Airlines
Deal found 12/17$2,059
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:55 amSDF - LGW
3 stops28h 25mMultiple Airlines
Wed 1/12:05 pmLGW - SDF
3 stops34h 38mMultiple Airlines
Deal found 12/16$2,074
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:14 pmSDF - LCY
2 stops16h 11mLufthansa
Mon 1/66:15 pmLCY - SDF
2 stops33h 14mLufthansa
Deal found 12/16$2,086
This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/231:58 pmSDF - LHR
1 stop12h 57mKLM
Fri 1/312:20 pmLHR - SDF
1 stop15h 34mKLM
Deal found 12/17$2,554
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:33 amSDF - LCY
2 stops14h 42mDelta
Thu 1/29:20 amLCY - SDF
2 stops18h 34mDelta
Deal found 12/17$2,593
This Priceline deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:08 pmSDF - LHR
1 stop32h 07mBritish Airways
Mon 12/2311:55 amLHR - SDF
1 stop14h 43mBritish Airways
Deal found 12/17$2,819
This KAYAK deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:16 amSDF - LGW
2 stops26h 34mIberia
Sun 1/57:35 pmLGW - SDF
2 stops29h 30mIberia
Deal found 12/16$3,325
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:44 pmSDF - LCY
2 stops13h 41mMultiple Airlines
Sun 1/55:15 pmLCY - SDF
2 stops32h 37mMultiple Airlines
Deal found 12/16$3,923

Find flights from Louisville to London within your budget

Customize your flight search to find flights from Louisville to London 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Thu 2/20

6:00 am-10:00 am

1 stop23h 00m

London Gatwick

Mon 2/24

2:00 pm-11:45 pm

1 stop14h 45m

$653

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 1/15

5:01 pm-6:30 pm

2 stops20h 29m

London Heathrow

Wed 1/22

6:40 am-11:59 pm

2 stops22h 19m

$690

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 1/15

2:25 pm-7:55 am

1 stop12h 30m

London Heathrow

Wed 1/22

11:45 am-9:43 pm

2 stops14h 58m

$760

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 3/12

11:10 am-6:20 am

1 stop15h 10m

London Heathrow

Wed 3/19

8:05 pm-11:39 am

1 stop19h 34m

$774

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 4/8

9:35 am-6:35 am

2 stops16h 00m

London Heathrow

Tue 4/22

6:30 am-7:34 pm

2 stops18h 04m

$786

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 3/10

2:05 pm-6:40 am

1 stop12h 35m

London Heathrow

Mon 3/17

1:30 pm-5:02 pm

2 stops31h 32m

$816

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 3/10

2:04 pm-7:05 am

1 stop13h 01m

London Heathrow

Mon 3/17

4:10 pm-10:05 am

1 stop21h 55m

$825

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Tue 4/8

5:51 pm-4:25 pm

2 stops17h 34m

London City

Tue 4/22

9:15 am-7:34 pm

2 stops15h 19m

$872

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 2/7

6:45 pm-11:40 am

1 stop11h 55m

London Heathrow

Sat 4/26

1:10 pm-9:00 pm

1 stop12h 50m

$896

LouisvilleLondon

SDF - LCY

SDFLCY

Louisville Intl

Tue 5/6

12:11 pm-4:30 pm

2 stops23h 19m

London City

Thu 5/22

7:00 pm-7:45 pm

2 stops29h 45m

$910

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 37 results
1
2
3
4

Compare providers for flights from Louisville to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to London in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to London

Have a flexible travel schedule? Discover the best time to fly to London from Louisville with our price prediction graph.
Estimated round-trip 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 London

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

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to London. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Louisville to London, you should look to book at least 46 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 Louisville to London?

Currently, November is the cheapest month in which you can book a flight from Louisville to London (average of $661). Flying from Louisville to London in June is currently the most expensive (average of $1,088). 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 LON?

Find hourly flight availability from Louisville to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

It’s typically best to fly out from Louisville to London in the afternoon. Doing so could potentially save you 13% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Louisville to London?

Use this chart to determine the cheapest time to fly round-trip from Louisville to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to London flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown British Airways, American Airlines and Scandinavian Airlines from Louisville to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,604 reviews

Food

7.3

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

8.0
Very good
8,604 reviews
8.0
Very good
8,604 reviews

Food

7.3

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

7.8
Good
1,349 reviews
8.0
Very good
8,604 reviews

Food

7.3

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

7.5
Good
668 reviews
8.0
Very good
8,604 reviews

Food

7.3

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

7.4
Good
9,059 reviews
8.0
Very good
8,604 reviews

Food

7.3

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

7.3
Good
1,309 reviews
8.0
Very good
8,604 reviews

Food

7.3

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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 London. 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?

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to London. You should not have trouble finding flights to London from Louisville Intl; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Louisville airport to London. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

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

    Currently priced at $690, Scandinavian Airlines will fly you from Louisville to London and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Delta - these airlines can fly you to your destination from $760 and $774, respectively. These flights start at 27% lower than the current average price 3 months from now.

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

    $383 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Scandinavian Airlines and American Airlines, with prices starting from $439 and $477, respectively.

  • What are the most popular routes from Louisville to London?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to London 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?

    Currently, November is the cheapest month in which you can book a flight from Louisville to London (average of $661). Flying from Louisville to London in June is currently the most expensive (average of $1,088). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Louisville to London

Discover the top 5 airlines that operate flights from Louisville to London. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$601Average$948FlexibilityNo cancel feeOn-time72%
DeltaCheapest$661Average$927FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$669Average$934FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$674Average$1,025FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$716Average$1,039FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.