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$279+ Cheap flights from Louisville (SDF) to the United Kingdom

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Louisville to United Kingdom

Keep the following information in mind while searching for Louisville to United Kingdom flight deals. Data was last updated September 14, 2025.

Round-trip from

$568
(Delta)

One-way from

$279
(Norse)

Popular in

June

Cheapest in

August

Average price

$749
From Louisville Intl to United Kingdom
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One-way flight from Louisville Intl to United Kingdom
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Highest demand for flights based on searches. 18% potential increase in price ($227 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Louisville to United Kingdom

Cheapest flights from Louisville to United Kingdom
Explore the most affordable flight options available from Louisville to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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 10/1312:54 pmSDF - LHR
1 stop17h 16mDelta
Wed 10/226:15 amLHR - SDF
2 stops17h 56mDelta
Deal found 9/12$568
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 9/2110:45 amSDF - LHR
1 stop15h 00mDelta
Tue 9/308:40 amLHR - SDF
2 stops17h 33mDelta
Deal found 9/12$569
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 10/82:33 pmSDF - LHR
2 stops13h 42mDelta
Wed 10/299:00 amLHR - SDF
2 stops19h 01mDelta
Deal found 9/13$572
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/82:33 pmSDF - LHR
2 stops13h 42mDelta
Tue 10/148:40 amLHR - SDF
2 stops17h 35mDelta
Deal found 9/11$574
This KLM deal was found by Cheapflights users on 9/14. 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 10/138:15 pmSDF - LHR
1 stop12h 15mKLM
Wed 10/2211:45 amLHR - SDF
1 stop14h 30mKLM
Deal found 9/14$576
This Virgin Atlantic deal was found by Cheapflights users on 9/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:33 pmSDF - LHR
2 stops13h 42mVirgin Atlantic
Tue 10/141:05 pmLHR - SDF
1 stop13h 43mVirgin Atlantic
Deal found 9/13$580
This Expedia deal was found by Cheapflights users on 9/14. 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.
Thu 11/133:09 pmSDF - LHR
2 stops21h 31mScandinavian Airlines
Wed 11/197:30 pmLHR - SDF
2 stops32h 18mScandinavian Airlines
Deal found 9/14$616
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:14 amSDF - LGW
1 stop18h 46mMultiple Airlines
Wed 10/82:00 pmLGW - SDF
2 stops33h 03mMultiple Airlines
Deal found 9/12$617
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:14 amSDF - LGW
1 stop18h 46mMultiple Airlines
Tue 10/72:00 pmLGW - SDF
1 stop32h 55mMultiple Airlines
Deal found 9/12$624
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/812:54 pmSDF - LCY
2 stops13h 21mDelta
Tue 10/149:20 amLCY - SDF
2 stops17h 28mDelta
Deal found 9/11$627
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 9/303:09 pmSDF - LHR
1 stop11h 06mDelta
Wed 10/89:00 amLHR - SDF
2 stops20h 01mDelta
Deal found 9/12$628
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:14 amSDF - LGW
1 stop18h 46mMultiple Airlines
Thu 10/22:00 pmLGW - SDF
1 stop24h 19mMultiple Airlines
Deal found 9/12$633

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to United Kingdom 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 September 14, 2025.
Use the filters below to find and compare flights from Louisville to the United Kingdom that are best for you.

Fly from

Louisville

Fly to

United Kingdom

Route

Depart

Return

Price

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 10/13

12:54 pm-11:10 am

1 stop17h 16m

London Heathrow

Wed 10/22

6:15 am-7:11 pm

2 stops17h 56m

$568

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 11/11

10:37 am-7:50 am

1 stop16h 13m

London Heathrow

Wed 11/19

11:30 am-12:06 am

2 stops17h 36m

$568

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 9/21

6:00 am-1:10 pm

1 stop26h 10m

London Heathrow

Tue 10/7

11:45 am-1:53 pm

1 stop31h 08m

$568

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 10/8

2:33 pm-9:15 am

2 stops13h 42m

London Heathrow

Wed 10/29

9:00 am-12:01 am

2 stops19h 01m

$572

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 11/11

3:09 pm-9:00 am

1 stop12h 51m

London Heathrow

Wed 11/19

8:55 am-7:12 pm

1 stop15h 17m

$576

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 10/8

12:54 pm-1:30 pm

1 stop19h 36m

London Heathrow

Tue 10/14

11:20 am-9:48 pm

1 stop15h 28m

$576

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 10/13

6:05 pm-8:55 am

1 stop9h 50m

London Heathrow

Wed 10/22

3:15 pm-12:01 am

1 stop13h 46m

$576

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 9/30

3:09 pm-6:45 am

1 stop10h 36m

London Heathrow

Tue 10/7

3:15 pm-12:01 am

1 stop13h 46m

$576

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 9/21

12:48 pm-7:15 am

1 stop13h 27m

London Heathrow

Tue 9/30

11:20 am-6:36 pm

1 stop12h 16m

$576

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 10/1

10:14 am-10:00 am

1 stop18h 46m

London Gatwick

Wed 10/8

2:00 pm-6:03 pm

2 stops33h 03m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 39 results
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Best time to book a flight from Louisville to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from Louisville to the United Kingdom

What is the cheapest month to book a flight from Louisville to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Louisville to United Kingdom (average of $661). Flying from Louisville to United Kingdom in June is currently the most expensive (average of $1,097). 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 GB?

Find hourly flight availability from Louisville to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to United Kingdom as you normally would.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated September 14, 2025.
See what other customers who have flown with Delta, United Airlines, and Virgin Atlantic from Louisville to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
664 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville to United Kingdom. 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 United Kingdom?

    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 United Kingdom.

  • How long is the flight from Louisville to United Kingdom?

    A quick flight from Louisville to United Kingdom can take about 16h 02m. Delta provides one of the quickest options available for as low as $652. The distance from Louisville to United Kingdom is about 3812 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Louisville to United Kingdom?

    While some choose either Louisville Intl - London City or Louisville Intl - London Gatwick, Louisville Intl - London Heathrow is the most popular route from Louisville to United Kingdom.

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

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

  • How can I find direct flights from Louisville to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Louisville to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Louisville to United Kingdom (average of $661). Flying from Louisville to United Kingdom in June is currently the most expensive (average of $1,097). 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

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Alternative routes for Louisville to United Kingdom

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Top 6 airlines flying from Louisville to United Kingdom

Discover the top 6 airlines that operate flights from Louisville to United Kingdom. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$574Average$795FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$580Average$1,261FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$598Average$819FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$679Average$953FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$684Average$899FlexibilityNo cancel feeOn-time69%
DeltaCheapest$694Average$1,096FlexibilityNo cancel feeOn-timeN/A

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