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Cheap flights from Indianapolis to London from £249

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 20/7. 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
19:59 - 09:55
IND
-
LHR
32h 56m
2 stops
Multiple Airlines Logo
06:00 - 16:29
LHR
-
IND
15h 29m
2 stops
£582Multiple Airlines
Sat, 12 Sep - Tue, 15 Sep
Aer Lingus Logo
19:50 - 13:55
IND
-
LHR
13h 05m
1 stop
Aer Lingus Logo
12:00 - 18:20
LHR
-
IND
11h 20m
1 stop
£590Aer Lingus
Mon, 7 Sep - Fri, 11 Sep
Scandinavian Airlines Logo
12:52 - 09:20
IND
-
LHR
39h 28m
2 stops
Scandinavian Airlines Logo
06:40 - 23:15
LHR
-
IND
21h 35m
2 stops
£591Scandinavian Airlines
Tue, 29 Sep - Fri, 2 Oct
Scandinavian Airlines Logo
06:49 - 09:35
IND
-
LHR
21h 46m
2 stops
Scandinavian Airlines Logo
06:40 - 21:20
LHR
-
IND
19h 40m
2 stops
£613Scandinavian Airlines
Thu, 7 May - Wed, 13 May
United Airlines Logo
19:40 - 06:55
IND
-
LHR
30h 15m
1 stop
United Airlines Logo
06:50 - 16:29
LHR
-
IND
14h 39m
2 stops
£623United Airlines
Sat, 12 Sep - Tue, 15 Sep
Aer Lingus Logo
19:50 - 13:55
IND
-
LHR
13h 05m
1 stop
Aer Lingus Logo
09:50 - 18:20
LHR
-
IND
13h 30m
1 stop
£624Aer Lingus
Wed, 12 Aug - Wed, 19 Aug
Multiple Airlines Logo
06:00 - 21:20
IND
-
LHR
34h 20m
2 stops
Multiple Airlines Logo
19:30 - 19:41
LHR
-
IND
29h 11m
2 stops
£630Multiple Airlines
Sun, 3 May - Sun, 10 May
Scandinavian Airlines Logo
16:15 - 16:00
IND
-
LHR
18h 45m
2 stops
Scandinavian Airlines Logo
07:05 - 21:01
LHR
-
IND
18h 56m
2 stops
£631Scandinavian Airlines
Mon, 17 Aug - Fri, 21 Aug
SWISS Logo
16:31 - 13:00
IND
-
LHR
15h 29m
2 stops
SWISS Logo
20:05 - 16:29
LHR
-
IND
25h 24m
2 stops
£636SWISS
Wed, 12 Aug - Wed, 19 Aug
SWISS Logo
16:31 - 17:50
IND
-
LGW
20h 19m
2 stops
SWISS Logo
18:35 - 16:29
LGW
-
IND
26h 54m
2 stops
£690SWISS
Mon, 31 Aug - Wed, 9 Sep

Aer Lingus flights from Indianapolis to London

Our best Aer Lingus deals on Indianapolis to London flight tickets
Aer Lingus
7 Sept
IND19:50Indianapolis
13h 05m
1 stop
LHR13:55London Heathrow
11 Sept
LHR12:00London Heathrow
11h 20m
1 stop
IND18:20Indianapolis
£590
Aer Lingus
12 Aug
IND19:50Indianapolis
13h 05m
1 stop
LHR13:55London Heathrow
19 Aug
LHR09:50London Heathrow
13h 30m
1 stop
IND18:20Indianapolis
£624
Aer Lingus
26 Aug
IND19:50Indianapolis
12h 40m
1 stop
LHR13:30London Heathrow
29 Aug
LHR08:50London Heathrow
14h 30m
1 stop
IND18:20Indianapolis
£645

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets
United Airlines
12 Sept
IND19:40Indianapolis
30h 15m
1 stop
LHR06:55London Heathrow
15 Sept
LHR06:50London Heathrow
14h 39m
2 stops
IND16:29Indianapolis
£623
United Airlines
12 Aug
IND05:54Indianapolis
23h 46m
1 stop
LHR10:40London Heathrow
19 Aug
LHR14:10London Heathrow
25h 00m
2 stops
IND10:10Indianapolis
£670
United Airlines
29 Sept
IND19:59Indianapolis
10h 56m
1 stop
LHR11:55London Heathrow
20 Oct
LHR12:05London Heathrow
13h 31m
1 stop
IND20:36Indianapolis
£685

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 7 April 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 - LHR

INDLHR

Indianapolis

Sat 12/9

19:59-09:55

2 stops32h 56m

London Heathrow

Tue 15/9

06:00-16:29

2 stops15h 29m

£582
Fastest return journey

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 7/9

19:50-13:55

1 stop13h 05m

London Heathrow

Fri 11/9

12:00-18:20

1 stop11h 20m

£590

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 29/9

12:52-09:20

2 stops39h 28m

London Heathrow

Fri 2/10

06:40-23:15

2 stops21h 35m

£591

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 7/5

06:49-09:35

2 stops21h 46m

London Heathrow

Wed 13/5

06:40-21:20

2 stops19h 40m

£613

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 12/9

19:40-06:55

1 stop30h 15m

London Heathrow

Tue 15/9

06:50-16:29

2 stops14h 39m

£623

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 12/8

19:50-13:55

1 stop13h 05m

London Heathrow

Wed 19/8

09:50-18:20

1 stop13h 30m

£624

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 3/5

06:00-21:20

2 stops34h 20m

London Heathrow

Sun 10/5

19:30-19:41

2 stops29h 11m

£630

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 17/8

16:15-16:00

2 stops18h 45m

London Heathrow

Fri 21/8

07:05-21:01

2 stops18h 56m

£631

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 12/8

16:31-13:00

2 stops15h 29m

London Heathrow

Wed 19/8

20:05-16:29

2 stops25h 24m

£636

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 31/8

16:31-17:50

2 stops20h 19m

London Gatwick

Wed 9/9

18:35-16:29

2 stops26h 54m

£690

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 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 October. Flight prices, which tend to average around £521, 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 £554.

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 £617. 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 £652.

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 £612. Flights in the afternoon are often more expensive, with an average ticket price of £679.

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 £618 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 £497 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 8% 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 April 2026, prices for Indianapolis to London flights are approximately 24% 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 45m

Direct flights

None
The fastest flight from Indianapolis to London takes 10h 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 10h 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 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 £377Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £456Free CancellationRating
6.7
7,859 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
Slough
Maidstone
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Bedford
Chichester
Ramsgate
Colchester

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

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