£386 Find Cheap Flights from London to Indianapolis – Compare and Save

Three cabin classes are available on flights from London to Indianapolis:

• Economy class
• Premium Economy Class
• Business Class

A direct flight from London to Indianapolis takes 00m, covering 3,995 miles.

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.

Return flights from London to Indianapolis range from £678 to £888, with an average of £787 over the past 12 months. Anything below £678 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 19% above the £787 route average. Book 23 weeks before departure for the lowest fares.

One-way fares from London to Indianapolis are currently higher than usual. Average one-way flight prices are about £802, which is 33% above the typical average for this route.

Flights from London to Indianapolis may depart from 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). Flights usually arrive at Indianapolis (IND).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London to Indianapolis route, 10% of flights were delayed in the past three months, with delays averaging 2h 28m.

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

• Dublin (DUB) – 66% of one-stop connections
• Chicago O'Hare Intl (ORD) – 9% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) – 5% of one-stop connections
• New York John F Kennedy Intl (JFK) – 4% of one-stop connections

Yes. Flexible dates can save you up to 22% on flights from London to Indianapolis. Saturday is the cheapest departure day at £753 return on average, while Sunday is the most expensive at £955, a difference of £202.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time of 10h 58m, compared to 11h 05m via Washington, D.C. Dulles Intl (IAD) and 11h 11m via Minneapolis St Paul (MSP).

Indianapolis is 4 hours behind London (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Indianapolis are Lucas Oil Stadium and Indiana Convention Center. These are among the most viewed places in Indianapolis on KAYAK.

At Heathrow, all the international terminals have a lounge where any passenger can stay before their flight, for a fee. Plaza Premium Lounge is best for families, serving snacks, drinks and hot meals all day. There is one in Terminal 2 and one in Terminal 4. In Terminal 3, passengers can visit Club Aspire Lounge, which offers champagne for an added cost as well as complimentary food and drink. Plaza Premium Lounge is also available at Gatwick Airport, in North Terminal, while a Clubrooms Lounge is located in both North and South Terminal. This lounge provides a full sit-down dining experience with table service.

Luckily, Indianapolis Airport has Global Entry kiosks available for international passengers. If you haven't used the Global Entry program before, it will take the same amount of time as normal passport control because you will need to apply online through the Trusted Traveler Program’s website and then complete a short interview when you arrive. However, if you've previously been approved within the last five years, you will simply be able to scan your passport at the kiosk and answer the questions on the screen. An ePassport is required for this service.

All of London's airports can provide special assistance for passengers. You should book assistance at least 48h in advance through your airline, and remember to let your airline know if you will be bringing your own mobility equipment. All of London's airports can also provide necessary mobility equipment. Gatwick, Heathrow and London City are all part of the Sunflower Lanyard scheme, which helps airport staff recognise hidden disabilities. You can pick up a Sunflower Lanyard for free at any of their help desks or special assistance desks, usually located in the check-in hall.

IndyGo buses offer a service from the airport to downtown for a fixed price of about $1.75 (around £1.47) per ticket. If you're arriving to study or work at one of Indianapolis's universities, you can book direct shuttle services to many of them, including Bloomington and Indiana University. Many hotels also offer complimentary bus services.