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Cheap flights from Indianapolis to London from £106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to London departing on 25/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Indianapolis to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:20 - 21:20
IND
-
STN
30h 00m
2 stops
Multiple Airlines Logo
06:35 - 20:41
STN
-
IND
19h 06m
2 stops
£633Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
16:25 - 11:50
IND
-
LHR
14h 25m
1 stop
Multiple Airlines Logo
08:50 - 18:20
LHR
-
IND
14h 30m
1 stop
£635Multiple Airlines
Wed, 30 Sep - Mon, 5 Oct
SWISS Logo
17:02 - 13:00
IND
-
LHR
14h 58m
2 stops
SWISS Logo
06:00 - 16:34
LHR
-
IND
15h 34m
2 stops
£636SWISS
Mon, 28 Sep - Tue, 6 Oct
SWISS Logo
17:02 - 13:00
IND
-
LHR
14h 58m
2 stops
SWISS Logo
06:00 - 16:34
LHR
-
IND
15h 34m
2 stops
£637SWISS
Mon, 28 Sep - Tue, 6 Oct
United Airlines Logo
19:45 - 06:55
IND
-
LHR
30h 10m
1 stop
United Airlines Logo
06:50 - 18:59
LHR
-
IND
17h 09m
2 stops
£649United Airlines
Fri, 2 Oct - Mon, 5 Oct
United Airlines Logo
19:45 - 06:55
IND
-
LHR
30h 10m
1 stop
United Airlines Logo
06:50 - 18:59
LHR
-
IND
17h 09m
2 stops
£650United Airlines
Fri, 2 Oct - Mon, 5 Oct
Aer Lingus Logo
19:50 - 12:40
IND
-
LHR
11h 50m
1 stop
Aer Lingus Logo
09:50 - 18:20
LHR
-
IND
13h 30m
1 stop
£651Aer Lingus
Wed, 23 Sep - Wed, 30 Sep
Lufthansa Logo
16:25 - 08:35
IND
-
LHR
11h 10m
1 stop
Lufthansa Logo
06:55 - 20:36
LHR
-
IND
18h 41m
2 stops
£653Lufthansa
Mon, 28 Sep - Tue, 6 Oct
Aer Lingus Logo
20:00 - 11:25
IND
-
LHR
10h 25m
1 stop
Aer Lingus Logo
09:50 - 18:30
LHR
-
IND
13h 40m
1 stop
£654Aer Lingus
Mon, 16 Nov - Wed, 25 Nov
Lufthansa Logo
16:25 - 17:55
IND
-
LCY
20h 30m
2 stops
Lufthansa Logo
09:15 - 23:44
LCY
-
IND
19h 29m
2 stops
£689Lufthansa
Tue, 29 Sep - Fri, 9 Oct

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Aer Lingus flights from Indianapolis to London

Our best Aer Lingus deals on Indianapolis to London flight tickets
Aer Lingus
23 Sept
IND19:50Indianapolis
11h 50m
1 stop
LHR12:40London Heathrow
30 Sept
LHR09:50London Heathrow
13h 30m
1 stop
IND18:20Indianapolis
£651
Aer Lingus
16 Nov
IND20:00Indianapolis
10h 25m
1 stop
LHR11:25London Heathrow
25 Nov
LHR09:50London Heathrow
13h 40m
1 stop
IND18:30Indianapolis
£654
Aer Lingus
23 Sept
IND19:50Indianapolis
13h 05m
1 stop
LHR13:55London Heathrow
26 Sept
LHR12:00London Heathrow
11h 20m
1 stop
IND18:20Indianapolis
£690

SWISS flights from Indianapolis to London

Our best SWISS deals on Indianapolis to London flight tickets
SWISS
28 Sept
IND17:02Indianapolis
14h 58m
2 stops
LHR13:00London Heathrow
6 Oct
LHR06:00London Heathrow
15h 34m
2 stops
IND16:34Indianapolis
£636
SWISS
28 Sept
IND17:02Indianapolis
14h 58m
2 stops
LHR13:00London Heathrow
6 Oct
LHR06:00London Heathrow
15h 34m
2 stops
IND16:34Indianapolis
£637
SWISS
18 Oct
IND17:02Indianapolis
21h 18m
2 stops
LHR19:20London Heathrow
24 Oct
LHR06:00London Heathrow
15h 34m
2 stops
IND16:34Indianapolis
£671

momondo Fare Finder

 
Customise your flight search to find flights from Indianapolis to London 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, momondo users made 279,928 searches. Data last updated 28 June 2026.
Use the filters below to find and compare flights from Indianapolis to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IndianapolisLondon

IND - STN

INDSTN

Indianapolis

Sat 12/9

10:20-21:20

2 stops30h 00m

London Stansted

Sat 19/9

06:35-20:41

2 stops19h 06m

£633

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 30/9

16:25-11:50

1 stop14h 25m

London Heathrow

Mon 5/10

08:50-18:20

1 stop14h 30m

£635

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 28/9

17:02-13:00

2 stops14h 58m

London Heathrow

Tue 6/10

06:00-16:34

2 stops15h 34m

£636

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 28/9

17:02-13:00

2 stops14h 58m

London Heathrow

Tue 6/10

06:00-16:34

2 stops15h 34m

£637

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 2/10

19:45-06:55

1 stop30h 10m

London Heathrow

Mon 5/10

06:50-18:59

2 stops17h 09m

£649

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 2/10

19:45-06:55

1 stop30h 10m

London Heathrow

Mon 5/10

06:50-18:59

2 stops17h 09m

£650

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 23/9

19:50-12:40

1 stop11h 50m

London Heathrow

Wed 30/9

09:50-18:20

1 stop13h 30m

£651

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 28/9

16:25-08:35

1 stop11h 10m

London Heathrow

Tue 6/10

06:55-20:36

2 stops18h 41m

£653
Fastest return journey

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 16/11

20:00-11:25

1 stop10h 25m

London Heathrow

Wed 25/11

09:50-18:30

1 stop13h 40m

£654

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 29/9

16:25-17:55

2 stops20h 30m

London City

Fri 9/10

09:15-23:44

2 stops19h 29m

£689

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Indianapolis is in March. Flight prices, which tend to average around £66, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Indianapolis averaging around £72.

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 £637 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 £554 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 1% 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 June 2026, prices for Indianapolis to London flights are approximately 20% 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

Fastest flight time

9h 58m

Direct flights

None
The fastest flight from Indianapolis to London takes 9h 58m
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 58m.

  • 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 many operators does momondo search for flights from Indianapolis Airport to London?

  • 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.

Best airlines flying from Indianapolis to London

Compare and see reviews for airlines that fly from Indianapolis to London with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £378Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £457Free CancellationRating
6.7
8,077 reviews
Search British Airways flights

Travelling to a place near London?

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport