SDF - LON

$348 Find Cheap Flights from Louisville to London - Compare and Save

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Everything you should know

Cheapest round-trip
$796
Typical prices: $767-$1,238
United Airlines
Wed 1/10Sat 1/13
SDF - LHR • 1 stop
Cheapest one-way
$348
Typical prices: $351-$552
United Airlines
Thu 12/6
SDF - LHR • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Louisville and London. You'll need to take a connecting flight to reach the destination.
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Top routes
SDF - LGW
Cheapest • 3% average savings
SDF - LHR
Most popular
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 28% compared to booking last minute.
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Insights
When to travel
November
Cheapest • 28% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $564 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 11h 42m (one-way)
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Flight Deals

Cheap Flights from Louisville to London (SDF-LON)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to London

Sun, Feb 14 - Wed, Feb 17
United Airlines Logo
3:50 pm - 7:40 amSDF  Louisville Intl-LHR London Heathrow
34h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
6:50 am - 4:49 pmLHR  London Heathrow-SDF Louisville Intl
14h 59m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$796United Airlines
Sun, Jan 10 - Wed, Jan 13
United Airlines Logo
3:50 pm - 7:40 amSDF  Louisville Intl-LHR London Heathrow
34h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
6:50 am - 4:49 pmLHR  London Heathrow-SDF Louisville Intl
14h 59m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$796United Airlines
Sat, Sep 19 - Fri, Oct 2
Multiple Airlines Logo
10:56 am - 10:00 amSDF  Louisville Intl-LGW London Gatwick
42h 04m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
2:00 pm - 3:06 pmLGW  London Gatwick-SDF Louisville Intl
30h 06m1 stop Orlando
$850Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Iberia Logo
1:14 pm - 10:25 amSDF  Louisville Intl-LHR London Heathrow
16h 11m1 stop Chicago O'Hare Intl
Iberia Logo
6:05 am - 9:36 pmLHR  London Heathrow-SDF Louisville Intl
20h 31m2 stops Madrid Barajas Chicago O'Hare Intl
$863Iberia
Sun, Feb 14 - Wed, Feb 17
British Airways Logo
12:41 pm - 6:55 amSDF  Louisville Intl-LHR London Heathrow
13h 14m1 stop Chicago O'Hare Intl
British Airways Logo
11:45 am - 7:00 pmLHR  London Heathrow-SDF Louisville Intl
12h 15m1 stop Charlotte Douglas
$884British Airways
Mon, Nov 16 - Wed, Nov 25
American Airlines Logo
1:14 pm - 6:55 amSDF  Louisville Intl-LHR London Heathrow
12h 41m1 stop Chicago O'Hare Intl
American Airlines Logo
8:20 am - 6:13 pmLHR  London Heathrow-SDF Louisville Intl
14h 53m1 stop Dallas/Fort Worth
$896American Airlines
Wed, Dec 9 - Tue, Dec 15
American Airlines Logo
1:14 pm - 8:35 amSDF  Louisville Intl-LHR London Heathrow
14h 21m1 stop Chicago O'Hare Intl
American Airlines Logo
1:10 pm - 10:03 pmLHR  London Heathrow-SDF Louisville Intl
13h 53m1 stop Philadelphia
$897American Airlines
Sun, Jan 10 - Wed, Jan 13
British Airways Logo
6:14 pm - 11:35 amSDF  Louisville Intl-LHR London Heathrow
12h 21m1 stop Chicago O'Hare Intl
British Airways Logo
11:00 am - 9:35 pmLHR  London Heathrow-SDF Louisville Intl
15h 35m1 stop Chicago O'Hare Intl
$908British Airways
Mon, Sep 21 - Fri, Oct 2
Delta Logo
7:05 am - 6:25 amSDF  Louisville Intl-LHR London Heathrow
18h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:40 am - 7:14 pmLHR  London Heathrow-SDF Louisville Intl
15h 34m2 stops Amsterdam Schiphol Minneapolis St Paul
$921Delta
Sun, Sep 20 - Thu, Oct 1
Delta Logo
2:25 pm - 8:50 amSDF  Louisville Intl-LHR London Heathrow
13h 25m1 stop New York LaGuardia
Delta Logo
6:30 am - 9:16 pmLHR  London Heathrow-SDF Louisville Intl
19h 46m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$922Delta
Booking Insights

Price, demand and travel trends for Louisville to London flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Louisville to London with more confidence.

How much is a round-trip flight from Louisville to London?

Round-trip flights from Louisville to London start at $796. Prices are typical for this route right now, with typical round-trip fares ranging from $767 to $1,238. The lowest price found in the past 5 days was $796 on United Airlines.

What is the cheapest Louisville to London flight route?

There's little price difference between Louisville to London routes. They average around $997 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Louisville to London?

Tuesday is the cheapest day of the week to fly from Louisville to London, it is 6% cheaper than the average day. Sunday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Louisville to London at $728 round-trip.
  • July ($1,331) and June ($1,295) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 82% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Louisville to London the cheapest?

Flights from Louisville to London are cheapest 10 weeks before departure. Booking in this window typically costs about 28% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Louisville to London flights

Low season

December

Cheapest flight

$348
Best time to beat the crowds but there is an average 24% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Louisville to London Heathrow Airport

When to book flights from Louisville to London

Are your dates flexible? Find out the best times to travel from Louisville to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Louisville to London flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Will I pay extra for pre-selecting a seat when flying from Louisville International Airport, Kentucky, to London?

    Virgin Atlantic allows you to select a seat from a seat map. Gold and Silver members can choose any standard seat when booking SDF-LHR flights without a charge. The seat assignment is usually done at check-in unless you're traveling in the Economy Light cabin, in which case you'll pay a small fee for pre-selection.

  • Will my child get a reduced ticket price from Louisville International Airport (SDF) to London?

    All children aged 0 to 23 months sit on adult laps throughout the flight. Older kids up to age 12 are charged less by KLM Airlines. So, when booking your flight through KAYAK, indicate your child's age to see an automatic fare reduction.

  • Are there airlines with fully flat beds on this route?

    The Business class cabin by British Airways has lie-flat seats. With a Club World ticket, you'll enjoy flying in a seat that extends into a flatbed (6 feet long). These seats have lumbar support and a fully adjustable headrest. You may request bedding for added comfort.

  • Can I travel to London with other animals besides cats and dogs?

    Always check the airline's pet policy before planning a trip with any animal. Iberia Airlines allows pets in the passenger cabin (18lb or less, including the cage), in the hold as extra baggage, or cargo compartment. You may bring a cat, dog, tortoise, fish, and bird accompanied by the correct documents. They, however, do not permit dangerous breeds and brachycephalic animals.

  • Which airports can I use when flying from Louisville to London?

    Flights from Louisville to London usually depart from Louisville Intl (SDF) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • What cabin classes can I book on flights from Louisville to London?

    Four cabin classes are available on flights from Louisville to London:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • Which airports do connecting flights from Louisville to London pass through?

    One-stop flights from Louisville to London most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 30% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 27% of one-stop connections
    • Charlotte Douglas (CLT) - 22% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 6% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Louisville to London?

    Yes. Being flexible with your travel dates can save you up to 18% on the Louisville to London route. Tuesday is the cheapest departure day at $959 round-trip on average, while Sunday is the most expensive at $1,157, a difference of $198. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.

  • How expensive are last-minute Louisville to London flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 7% above the route average of $1,016. Book 10 weeks before departure for the lowest fares.

  • How long is a flight from Louisville to London?

    A nonstop flight from Louisville to London takes 0h 00m, covering 4,045 miles.

  • Do I need a passport to fly from Louisville to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Louisville to London looking right now?

    One-way fares from Louisville to London are currently higher than usual. Average one-way flight prices are about $713, which is 59% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Louisville to London?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 11h 42m, compared with 11h 44m via Toronto Pearson Intl (YYZ) and 11h 47m via Philadelphia (PHL).

  • What is the time difference between Louisville and London?

    London is 5 hours ahead of Louisville (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) — daily rates from around $7:

    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

    Near London Gatwick Airport (LGW) — daily rates from around $8:

    · GREEN MOTION
    · DRIVALIA
    · U-Save
    · Europcar
    · Alamo

    Near London City Airport (LCY) — daily rates from around $11:

    · GREEN MOTION
    · Budget
    · Hertz
    · Avis
    · Sixt

    Near London Luton Airport (LTN) — daily rates from around $11:

    · GREEN MOTION
    · DRIVALIA
    · Alamo
    · Europcar
    · Budget

    Near London Stansted Airport (STN) — daily rates from around $10:

    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · U-Save

  • How much should I expect to pay for a Louisville to London flight?

    Round-trip flights from Louisville to London range from $767 to $1,238, with an average of $1,016 over the past 12 months. Anything below $767 counts as a good deal.

Your guide to booking Louisville to London flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $959 - about $198 less than Sunday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 28% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Louisville to London trip for November. Fares historically average $728 round-trip in that month - typically $603 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    · Good Hotel London
    · Novotel London Excel
    · Aloft London Excel

    Near London Heathrow Airport

    · Hilton London Heathrow Airport

    Near London Gatwick Airport

    · Premier Inn London Gatwick Airport
  • Most carriers operating flights from Louisville International Airport (SDF) to London Heathrow (LHR) have a single stopover. American Airlines stop at Boston Logan (BOS), O'Hare Intl Airport (ORD), or Charlotte Douglas Airport (CLT), while United connects via Dulles Airport (IAD). If you wish to land at London Gatwick (LGW), you might have two stopovers at Atlanta Airport (ATL) and John F. Kennedy Airport (JFK).
  • Suppose your physique prevents you from sitting in a single seat. You can get more personal space for better comfort while on the route SDF-IAD-FRA-LCY, often operated by Lufthansa. Consider reserving an empty adjacent seat with the airline. However, you can only pay the extra fee at the check-in counter on your departure date.
  • You only need a visa to fly to London if you plan to stay in the United Kingdom for over six months. You'll get a visa vignette or sticker on your passport at the airport's immigration office. To extend your business trip or vacation for another six months, complete the UK visa renewal form, pay the applicable fees, and book an appointment at any UKVCAS office for biometrics.
  • British Airways is one of the best airlines for wheelchair users. If you have a mobility issue, you can specify the type of assistance you need when booking your flight. Special assistance includes basic wheelchair assistance and full-service- luggage storage and retrieval, boarding and alighting the aircraft, and chair aid to move around the cabin.
  • Children through age 17 are automatically subject to unaccompanied minor protocols, and the standard unaccompanied minor fee is charged where applicable. With United Airlines, the service is available for kids between 5 and 14 and is optional for the age bracket 15-17. When booking tickets for kids traveling alone, inform the airline who will drop them off at SDF and pick them up from the arrival airport in London.

Everything you need to know for your flight from Louisville to London

Information on your arrival and departure airports

Louisville (SDF)