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Cheap flights from Indianapolis to London from £170

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 8/4. 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
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
17:06 - 10:00
IND
-
LGW
35h 54m1 stop
Multiple Airlines Logo
14:00 - 14:12
LGW
-
IND
29h 12m1 stop
£367Multiple Airlines
Wed, 1 Apr - Mon, 13 Apr
Multiple Airlines Logo
10:38 - 10:00
IND
-
LGW
18h 22m1 stop
Multiple Airlines Logo
14:00 - 10:11
LGW
-
IND
25h 11m1 stop
£377Multiple Airlines
Mon, 9 Feb - Fri, 20 Feb
Multiple Airlines Logo
14:12 - 10:00
IND
-
LGW
14h 48m1 stop
Multiple Airlines Logo
14:00 - 12:14
LGW
-
IND
27h 14m2 stops
£393Multiple Airlines
Mon, 9 Feb - Fri, 20 Feb
United Airlines Logo
19:30 - 06:55
IND
-
LHR
30h 25m1 stop
United Airlines Logo
06:55 - 18:53
LHR
-
IND
16h 58m2 stops
£402United Airlines
Tue, 21 Apr - Fri, 24 Apr
British Airways Logo
11:48 - 06:15
IND
-
LHR
13h 27m1 stop
British Airways Logo
08:50 - 18:30
LHR
-
IND
14h 40m1 stop
£411British Airways
Wed, 18 Feb - Wed, 25 Feb
Austrian Airlines Logo
14:35 - 06:40
IND
-
LHR
11h 05m1 stop
Austrian Airlines Logo
06:00 - 18:57
LHR
-
IND
17h 57m2 stops
£414Austrian Airlines
Mon, 23 Feb - Sun, 1 Mar
Austrian Airlines Logo
12:23 - 08:25
IND
-
LHR
15h 02m1 stop
Austrian Airlines Logo
19:25 - 18:55
LHR
-
IND
28h 30m2 stops
£419Austrian Airlines
Fri, 6 Feb - Mon, 9 Feb
British Airways Logo
12:20 - 07:00
IND
-
LHR
13h 40m1 stop
British Airways Logo
07:50 - 18:30
LHR
-
IND
15h 40m1 stop
£420British Airways
Mon, 16 Feb - Wed, 4 Mar
Lufthansa Logo
14:00 - 09:15
IND
-
LCY
14h 15m2 stops
Lufthansa Logo
09:50 - 20:59
LCY
-
IND
15h 09m2 stops
£486Lufthansa
Tue, 3 Mar - Tue, 10 Mar
Lufthansa Logo
15:47 - 09:15
IND
-
LCY
13h 28m2 stops
Lufthansa Logo
17:15 - 18:50
LCY
-
IND
29h 35m2 stops
£499Lufthansa
Mon, 9 Mar - Sun, 15 Mar

Delta flights from Indianapolis to London

Our best Delta deals on Indianapolis to London flight tickets
Delta
16 Feb
IND10:07Indianapolis
16h 43m
1 stop
LHR07:50London Heathrow
4 Mar
LHR06:20London Heathrow
16h 05m
2 stops
IND17:25Indianapolis
£448
Delta
13 Jan
IND14:47Indianapolis
12h 58m
1 stop
LHR08:45London Heathrow
20 Jan
LHR11:45London Heathrow
17h 22m
2 stops
IND00:07Indianapolis
£449
Delta
13 Jan
IND17:21Indianapolis
11h 54m
1 stop
LHR10:15London Heathrow
20 Jan
LHR11:45London Heathrow
14h 31m
2 stops
IND21:16Indianapolis
£449

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets
United Airlines
21 Apr
IND19:30Indianapolis
30h 25m
1 stop
LHR06:55London Heathrow
24 Apr
LHR06:55London Heathrow
16h 58m
2 stops
IND18:53Indianapolis
£402
United Airlines
3 Feb
IND09:50Indianapolis
20h 00m
1 stop
LHR10:50London Heathrow
10 Feb
LHR13:25London Heathrow
30h 21m
2 stops
IND14:46Indianapolis
£438
United Airlines
8 Feb
IND19:43Indianapolis
10h 07m
1 stop
LHR10:50London Heathrow
17 Feb
LHR13:25London Heathrow
29h 25m
2 stops
IND13:50Indianapolis
£439

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 9 January 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

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 1/4

17:06-10:00

1 stop35h 54m

London Gatwick

Mon 13/4

14:00-14:12

1 stop29h 12m

£367

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 9/2

10:38-10:00

1 stop18h 22m

London Gatwick

Fri 20/2

14:00-10:11

1 stop25h 11m

£377

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 9/2

14:12-10:00

1 stop14h 48m

London Gatwick

Fri 20/2

14:00-12:14

2 stops27h 14m

£393

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 21/4

19:30-06:55

1 stop30h 25m

London Heathrow

Fri 24/4

06:55-18:53

2 stops16h 58m

£402

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 18/2

11:48-06:15

1 stop13h 27m

London Heathrow

Wed 25/2

08:50-18:30

1 stop14h 40m

£411

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 23/2

14:35-06:40

1 stop11h 05m

London Heathrow

Sun 1/3

06:00-18:57

2 stops17h 57m

£414

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 6/2

12:23-08:25

1 stop15h 02m

London Heathrow

Mon 9/2

19:25-18:55

2 stops28h 30m

£419

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 16/2

12:20-07:00

1 stop13h 40m

London Heathrow

Wed 4/3

07:50-18:30

1 stop15h 40m

£420

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 3/3

14:00-09:15

2 stops14h 15m

London City

Tue 10/3

09:50-20:59

2 stops15h 09m

£486

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Mon 9/3

15:47-09:15

2 stops13h 28m

London City

Sun 15/3

17:15-18:50

2 stops29h 35m

£499

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to London?

The cheapest month to fly to London from Indianapolis is in October. Flight prices, which tend to average around £515, 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 Indianapolis averaging around £544.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £607. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Indianapolis to London for around £642.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £603. Flights in the afternoon are often more expensive, with an average ticket price of £669.

How far in advance should I book a flight 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 £624 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 £504 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 3% 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 January 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

Fastest flight time

10h 20m

Direct flights

None
The fastest flight from Indianapolis to London takes 10h 20m
There are no direct flights from Indianapolis to London. There are no popular flight routes from Indianapolis to London.
Search flight deals

  • 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 10h 20m.

  • 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.

  • What is the most popular airline from Indianapolis to London?

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 £371Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £463Free CancellationRating
6.7
7,659 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
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Worthing
Hounslow
Colchester
Bedford
Ramsgate
Folkestone

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