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Cheap flights from Indianapolis to London from £225

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Indianapolis to London

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
16:59 - 13:05IND  Indianapolis-LHR London Heathrow
15h 06m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
Delta Logo
10:45 - 00:25LHR  London Heathrow-IND Indianapolis
18h 40m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
£577Delta
Mon, 12 Oct - Tue, 20 Oct
United Airlines Logo
16:55 - 06:45IND  Indianapolis-LHR London Heathrow
32h 50m1 stop Chicago O'Hare Intl
United Airlines Logo
10:25 - 18:46LHR  London Heathrow-IND Indianapolis
13h 21m1 stop Chicago O'Hare Intl
£577United Airlines
Sat, 10 Oct - Wed, 4 Nov
Multiple Airlines Logo
12:01 - 06:30IND  Indianapolis-LHR London Heathrow
13h 29m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
13:00 - 23:47LHR  London Heathrow-IND Indianapolis
14h 47m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
£578Multiple Airlines
Tue, 20 Oct - Tue, 27 Oct
Multiple Airlines Logo
12:01 - 06:30IND  Indianapolis-LHR London Heathrow
13h 29m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
13:00 - 23:47LHR  London Heathrow-IND Indianapolis
14h 47m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
£578Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
Air Canada Logo
16:25 - 09:35IND  Indianapolis-LHR London Heathrow
12h 10m1 stop Toronto Pearson Intl
Air Canada Logo
13:00 - 23:47LHR  London Heathrow-IND Indianapolis
14h 47m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
£579Air Canada
Tue, 20 Oct - Thu, 29 Oct
Multiple Airlines Logo
16:25 - 11:50IND  Indianapolis-LHR London Heathrow
14h 25m1 stop Toronto Pearson Intl
Multiple Airlines Logo
13:00 - 23:47LHR  London Heathrow-IND Indianapolis
14h 47m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
£579Multiple Airlines
Tue, 20 Oct - Tue, 27 Oct
Multiple Airlines Logo
10:20 - 09:35IND  Indianapolis-LHR London Heathrow
18h 15m1 stop Toronto Pearson Intl
Multiple Airlines Logo
13:00 - 23:59LHR  London Heathrow-IND Indianapolis
14h 59m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
£579Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
Aer Lingus Logo
21:35 - 13:25IND  Indianapolis-LHR London Heathrow
11h 50m1 stop Dublin
Aer Lingus Logo
09:50 - 20:10LHR  London Heathrow-IND Indianapolis
14h 20m1 stop Dublin
£580Aer Lingus
Mon, 15 Mar - Fri, 26 Mar
British Airways Logo
13:55 - 06:35IND  Indianapolis-LHR London Heathrow
11h 40m1 stop Philadelphia
British Airways Logo
15:00 - 19:18LHR  London Heathrow-IND Indianapolis
33h 18m2 stops Madrid Barajas Chicago O'Hare Intl
£581British Airways
Mon, 23 Nov - Mon, 30 Nov
Multiple Airlines Logo
21:06 - 10:00IND  Indianapolis-LGW London Gatwick
31h 54m1 stop Orlando
Multiple Airlines Logo
12:35 - 10:30LGW  London Gatwick-IND Indianapolis
25h 55m1 stop Orlando
£581Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct

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Delta flights from Indianapolis to London

Our best Delta deals on Indianapolis to London flight tickets
Delta
12 Oct
IND16:59Indianapolis
15h 06m
2 stops
LHR13:05London Heathrow
20 Oct
LHR10:45London Heathrow
18h 40m
2 stops
IND00:25Indianapolis
£577
Delta
23 Mar
IND16:15Indianapolis
11h 35m
1 stop
LHR07:50London Heathrow
14 Apr
LHR13:25London Heathrow
13h 13m
1 stop
IND21:38Indianapolis
£587
Delta
19 Nov
IND12:58Indianapolis
15h 27m
1 stop
LHR09:25London Heathrow
24 Nov
LHR06:20London Heathrow
15h 52m
2 stops
IND17:12Indianapolis
£606

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets
United Airlines
10 Oct
IND16:55Indianapolis
32h 50m
1 stop
LHR06:45London Heathrow
4 Nov
LHR10:25London Heathrow
13h 21m
1 stop
IND18:46Indianapolis
£577
United Airlines
1 Oct
IND16:55Indianapolis
32h 50m
1 stop
LHR06:45London Heathrow
7 Oct
LHR14:10London Heathrow
25h 00m
2 stops
IND10:10Indianapolis
£595
United Airlines
4 Nov
IND06:20Indianapolis
10h 00m
1 stop
LHR21:20London Heathrow
8 Nov
LHR15:00London Heathrow
26h 44m
2 stops
IND12:44Indianapolis
£599

momondo Fare Finder

 
Use the filters below to find and compare flights from Indianapolis to London that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 12/10

16:59-13:05

2 stops15h 06m

London Heathrow

Tue 20/10

10:45-00:25

2 stops18h 40m

£577

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sat 10/10

16:55-06:45

1 stop32h 50m

London Heathrow

Wed 4/11

10:25-18:46

1 stop13h 21m

£577

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Tue 20/10

12:01-06:30

2 stops13h 29m

London Heathrow

Tue 27/10

13:00-23:47

2 stops14h 47m

£578

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 21/10

12:01-06:30

2 stops13h 29m

London Heathrow

Wed 28/10

13:00-23:47

2 stops14h 47m

£578

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Tue 20/10

16:25-09:35

1 stop12h 10m

London Heathrow

Thu 29/10

13:00-23:47

2 stops14h 47m

£579

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Tue 20/10

16:25-11:50

1 stop14h 25m

London Heathrow

Tue 27/10

13:00-23:47

2 stops14h 47m

£579

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 21/10

10:20-09:35

1 stop18h 15m

London Heathrow

Wed 28/10

13:00-23:59

2 stops14h 59m

£579
Fastest return journey

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 15/3

21:35-13:25

1 stop11h 50m

London Heathrow

Fri 26/3

09:50-20:10

1 stop14h 20m

£580

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 23/11

13:55-06:35

1 stop11h 40m

London Heathrow

Mon 30/11

15:00-19:18

2 stops33h 18m

£580

IndianapolisLondon

IND Indianapolis - LGW London Gatwick

INDLGW

Indianapolis

Fri 23/10

21:06-10:00

1 stop31h 54m

London Gatwick

Fri 30/10

12:35-10:30

1 stop25h 55m

£581

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Indianapolis 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 typical price of a round-trip flight between Indianapolis and London?

Prices are currently typical for flights on this route.

Typical prices usually range from £531 to £739.
The lowest price recently found on this route was £577.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Indianapolis is in February. Flight prices, which tend to average around £535, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Indianapolis averaging around £556.

How far in advance should I book a flight from Indianapolis to London?

You are more likely to see cheaper flights to London from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £685 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Indianapolis for as low as £588 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 26% on your flight if you consider stops on a Indianapolis to London flight.

How have Indianapolis to London flight prices changed over time?

As of September 2026, prices for Indianapolis to London flights are approximately 48% cheaper when compared to flights at the same time last year.

When to book flights from Indianapolis to London

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Indianapolis to London (IND to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to London

Best price found

£225

Fastest flight time

9h 45m

Direct flights

None
The best one-way flight to London from Indianapolis in the past 72 hours is £225. The best return flight deal from Indianapolis to London found on momondo in the last 72 hours is £577.
The fastest flight from Indianapolis to London takes 9h 45m
There are no direct flights from Indianapolis to London. There are no popular flight routes from Indianapolis to London.
Search flight deals

Frequently asked questions about flying from Indianapolis to London

  • How far is Indianapolis to London by plane?

    The distance between Indianapolis and London is about 3986.9 mi. By plane, this route typically takes 9h 45m.

  • When did momondo last update prices for flights from Indianapolis Airport to London?

    Prices for flights from Indianapolis Airport to London are updated daily.

  • How old do you have to be to fly from Indianapolis Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indianapolis 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Southend-on-Sea
Luton
Slough
Ipswich
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Chichester
Hayes
Bedford
Colchester
Guildford
Harlow
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to London?

Finding the right flight to London from Indianapolis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Indianapolis to London with flexible booking policies on momondo?

Yes. All flights to London from Indianapolis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Indianapolis to London?

Once all potential Indianapolis 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 Indianapolis to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Indianapolis to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport