Cheap flights from Louisville to London from $373
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to London departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Louisville to London
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London?
The cheapest month to fly to London from Louisville is in October. Flight prices, which tend to average around $710, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Louisville averaging around $753.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Louisville to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $749. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $949. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Louisville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $780 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $895. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Louisville when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to London for around $952 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Louisville for as low as $761 on momondo.
What is the cheapest airline that flies from Louisville Intl to London?
Delta, American Airlines, and Aer Lingus are the most popular carriers operating from Louisville Intl to London
What airlines fly to London?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London from Louisville according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London. Keep in mind that there are 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
When to book flights from Louisville to London
Cheap Louisville to London (SDF to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to London
How far is Louisville Intl to London by plane?
The straight-line distance from Louisville Intl to London is 4042.6 mi. In terms of flight time, this usually takes a little over 10h 19m.
When did momondo last update prices for flights from Louisville Intl Airport to London?
Prices for flights from Louisville Intl Airport to London refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to London?
As of April 2025, there are 5 operators available to choose from for flights from Louisville Intl Airport to London.
How old do you have to be to fly from Louisville Intl Airport to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to London is American Airlines (54% of total bookings). The next most popular airlines are British Airways (17%), United Airlines (14%), and Delta (9%).
Best airlines flying from Louisville to London
Compare and see reviews for airlines that fly from Louisville to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $704 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $710 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $720 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $734 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $777 | Free Cancellation | Rating 7.4 643 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Louisville to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to London for you.
Can I find flights from Louisville to London with flexible booking policies on momondo?
Yes. All flights to London from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Louisville to London?
Once all potential Louisville to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Louisville to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Louisville and alert you when they change.