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$458+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LHR
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$655
(Kiwi.com)

One-way from

$458
(Air Canada)

Popular in

December

Cheapest in

October

Average price

$852
Provider with most accurate pricing for Louisville Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-London (LON) flights.
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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. 16% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Thu 5/15:27 pmSDF - LGW
1 stop36h 28mMultiple Airlines
Thu 5/88:00 amLGW - SDF
2 stops35h 56mMultiple Airlines
Deal found 4/15$655
This KLM deal was found by Cheapflights users on 4/15. 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.
Tue 9/27:25 pmSDF - LHR
1 stop12h 45mKLM
Thu 9/111:05 pmLHR - SDF
1 stop12h 46mKLM
Deal found 4/15$710
This Expedia deal was found by Cheapflights users on 4/15. 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.
Fri 9/512:45 pmSDF - LHR
2 stops51h 15mAir Canada
Wed 9/172:05 pmLHR - SDF
2 stops24h 57mAir Canada
Deal found 4/15$715
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:55 pmSDF - LHR
1 stop13h 20mDelta
Thu 5/226:30 amLHR - SDF
2 stops16h 59mDelta
Deal found 4/16$717
This Finnair deal was found by Cheapflights users on 4/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/22:35 pmSDF - LHR
1 stop16h 55mMultiple Airlines
Thu 9/111:30 pmLHR - SDF
1 stop12h 27mMultiple Airlines
Deal found 4/16$723
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:40 pmSDF - LGW
2 stops16h 20mDelta
Sat 8/2312:00 pmLGW - SDF
2 stops16h 57mDelta
Deal found 4/16$744
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/111:00 amSDF - LHR
1 stop14h 20mUnited Airlines
Thu 5/88:30 amLHR - SDF
2 stops16h 55mUnited Airlines
Deal found 4/15$748
This United deal was found by Cheapflights users on 4/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:15 amSDF - EDI
1 stop20h 50mMultiple Airlines
Tue 9/239:00 amEDI - SDF
2 stops31h 44mMultiple Airlines
Deal found 4/16$759
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:54 pmSDF - EDI
2 stops14h 01mBritish Airways
Tue 9/2310:30 amEDI - SDF
2 stops17h 33mBritish Airways
Deal found 4/16$766
This Virgin Atlantic deal was found by Cheapflights users on 4/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:40 pmSDF - LHR
1 stop13h 35mVirgin Atlantic
Sat 8/236:30 amLHR - SDF
2 stops15h 21mVirgin Atlantic
Deal found 4/16$767
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:59 pmSDF - EDI
1 stop16h 06mKLM
Tue 9/239:00 amEDI - SDF
1 stop12h 50mKLM
Deal found 4/16$773
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 9/2510:55 amSDF - EDI
1 stop16h 30mUnited Airlines
Wed 10/812:30 pmEDI - SDF
1 stop13h 02mUnited Airlines
Deal found 4/16$798

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 April 17, 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 - LGW

SDFLGW

Louisville Intl

Thu 5/1

5:27 pm-10:55 am

1 stop36h 28m

London Gatwick

Thu 5/8

8:00 am-2:56 pm

2 stops35h 56m

$655

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 9/2

7:25 pm-1:10 pm

1 stop12h 45m

London Heathrow

Thu 9/11

1:05 pm-8:51 pm

1 stop12h 46m

$710

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Fri 9/5

12:45 pm-9:00 pm

2 stops51h 15m

London Heathrow

Wed 9/17

2:05 pm-10:02 am

2 stops24h 57m

$715

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 5/6

12:55 pm-7:15 am

1 stop13h 20m

London Heathrow

Thu 5/22

6:30 am-6:29 pm

2 stops16h 59m

$717

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 9/2

2:35 pm-12:30 pm

1 stop16h 55m

London Heathrow

Thu 9/11

1:30 pm-8:57 pm

1 stop12h 27m

$723

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Sun 8/3

12:40 pm-10:00 am

2 stops16h 20m

London Gatwick

Sat 8/23

12:00 pm-11:57 pm

2 stops16h 57m

$744

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Thu 5/1

11:00 am-6:20 am

1 stop14h 20m

London Heathrow

Thu 5/8

8:30 am-8:25 pm

2 stops16h 55m

$748

LouisvilleEdinburgh

SDF - EDI

SDFEDI

Louisville Intl

Wed 9/10

6:15 am-8:05 am

1 stop20h 50m

Edinburgh Turnhouse

Tue 9/23

9:00 am-11:44 am

2 stops31h 44m

$759

LouisvilleEdinburgh

SDF - EDI

SDFEDI

Louisville Intl

Wed 9/10

6:54 pm-1:55 pm

2 stops14h 01m

Edinburgh Turnhouse

Tue 9/23

10:30 am-11:03 pm

2 stops17h 33m

$766

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 8/3

12:40 pm-7:15 am

1 stop13h 35m

London Heathrow

Sat 8/23

6:30 am-4:51 pm

2 stops15h 21m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 57 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 $1,110). 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 April 17, 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.

Rainfall in United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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 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 April 17, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from Louisville to United Kingdom. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

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 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.

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

    $461 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $461 and $480, respectively.

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

    While some choose either Louisville Intl - London Gatwick or Louisville Intl - London City, 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 $1,110). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Louisville to United Kingdom

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$597Average$889FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$964FlexibilityNo cancel feeOn-time69%
DeltaCheapest$638Average$1,154FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$677Average$868FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$682Average$1,157FlexibilityNo cancel feeOn-time72%

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