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Cheap flights from Indianapolis to London from $230

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Indianapolis to London

Cheap round-trip flights

Aer Lingus Logo
7:50 pm - 11:10 amIND-LHR
10h 20m1 stop
Aer Lingus Logo
12:00 pm - 6:20 pmLHR-IND
11h 20m1 stop
$457Aer Lingus
Find Deal
Mon, Sep 29 - Wed, Oct 15
Aer Lingus Logo
7:50 pm - 11:10 amIND-LHR
10h 20m1 stop
Aer Lingus Logo
12:00 pm - 6:20 pmLHR-IND
11h 20m1 stop
$476Aer Lingus
Find Deal
Mon, Oct 6 - Wed, Oct 15
American Airlines Logo
3:45 pm - 8:10 amIND-LGW
11h 25m1 stop
American Airlines Logo
3:05 pm - 10:51 pmLGW-IND
12h 46m1 stop
$488American Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
American Airlines Logo
1:40 pm - 8:10 amIND-LGW
13h 30m1 stop
American Airlines Logo
3:05 pm - 10:51 pmLGW-IND
12h 46m1 stop
$489American Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 15
British Airways Logo
3:45 pm - 7:45 amIND-LHR
11h 00m1 stop
British Airways Logo
12:15 pm - 6:43 pmLHR-IND
11h 28m1 stop
$507British Airways
Find Deal
Tue, Oct 7 - Tue, Oct 21
United Airlines Logo
2:40 pm - 10:40 amIND-LHR
15h 00m1 stop
United Airlines Logo
2:05 pm - 1:59 pmLHR-IND
28h 54m2 stops
$508United Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
British Airways Logo
2:45 pm - 7:20 amIND-LHR
11h 35m1 stop
British Airways Logo
9:15 am - 3:26 pmLHR-IND
11h 11m1 stop
$509British Airways
Find Deal
Wed, Oct 8 - Tue, Oct 14
United Airlines Logo
10:20 am - 11:50 amIND-LHR
20h 30m1 stop
United Airlines Logo
2:05 pm - 1:22 pmLHR-IND
28h 17m2 stops
$510United Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
Iberia Logo
3:45 pm - 7:45 amIND-LHR
11h 00m1 stop
Iberia Logo
2:25 pm - 9:05 pmLHR-IND
11h 40m1 stop
$525Iberia
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Tue, Oct 14 - Fri, Oct 24
Iberia Logo
1:40 pm - 9:40 pmIND-LHR
27h 00m1 stop
Iberia Logo
2:10 pm - 10:51 pmLHR-IND
13h 41m1 stop
$536Iberia
Find Deal
Sat, Sep 27 - Tue, Oct 7

Delta flights from Indianapolis to London

Our best Delta deals on Indianapolis to London flight tickets
Delta
Sep 2
IND5:58 pmIndianapolis
12h 02m
1 stop
LHR11:00 amLondon Heathrow
Sep 9
LHR9:00 amLondon Heathrow
16h 51m
2 stops
IND8:51 pmIndianapolis
$523
Find similar
Delta
Oct 22
IND6:06 pmIndianapolis
12h 19m
1 stop
LHR11:25 amLondon Heathrow
Nov 8
LHR6:20 amLondon Heathrow
17h 35m
2 stops
IND6:55 pmIndianapolis
$572
Find similar
Delta
Aug 24
IND4:35 pmIndianapolis
15h 35m
1 stop
LHR1:10 pmLondon Heathrow
Aug 31
LHR11:30 amLondon Heathrow
16h 56m
2 stops
IND11:26 pmIndianapolis
$573
Find similar

British Airways flights from Indianapolis to London

Our best British Airways deals on Indianapolis to London flight tickets
British Airways
Oct 7
IND3:45 pmIndianapolis
11h 00m
1 stop
LHR7:45 amLondon Heathrow
Oct 21
LHR12:15 pmLondon Heathrow
11h 28m
1 stop
IND6:43 pmIndianapolis
$507
Find similar
British Airways
Oct 8
IND2:45 pmIndianapolis
11h 35m
1 stop
LHR7:20 amLondon Heathrow
Oct 14
LHR9:15 amLondon Heathrow
11h 11m
1 stop
IND3:26 pmIndianapolis
$509
Find similar
British Airways
Aug 20
IND7:46 amIndianapolis
18h 59m
1 stop
LHR7:45 amLondon Heathrow
Aug 28
LHR9:15 amLondon Heathrow
14h 22m
1 stop
IND6:37 pmIndianapolis
$524
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 14, 2025.
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 - LHR

INDLHR

Indianapolis

Mon 9/29

7:50 pm-11:10 am

1 stop10h 20m

London Heathrow

Wed 10/15

12:00 pm-6:20 pm

1 stop11h 20m

$457

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 10/6

7:50 pm-11:10 am

1 stop10h 20m

London Heathrow

Wed 10/15

12:00 pm-6:20 pm

1 stop11h 20m

$476

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 10/8

3:45 pm-8:10 am

1 stop11h 25m

London Gatwick

Tue 10/14

3:05 pm-10:51 pm

1 stop12h 46m

$488

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 9/29

1:40 pm-8:10 am

1 stop13h 30m

London Gatwick

Wed 10/15

3:05 pm-10:51 pm

1 stop12h 46m

$489

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 10/7

3:45 pm-7:45 am

1 stop11h 00m

London Heathrow

Tue 10/21

12:15 pm-6:43 pm

1 stop11h 28m

$507

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 9/3

2:40 pm-10:40 am

1 stop15h 00m

London Heathrow

Tue 9/9

2:05 pm-1:59 pm

2 stops28h 54m

$508

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 10/8

2:45 pm-7:20 am

1 stop11h 35m

London Heathrow

Tue 10/14

9:15 am-3:26 pm

1 stop11h 11m

$509

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 10/8

10:20 am-11:50 am

1 stop20h 30m

London Heathrow

Tue 10/14

2:05 pm-1:22 pm

2 stops28h 17m

$510

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 10/14

3:45 pm-7:45 am

1 stop11h 00m

London Heathrow

Fri 10/24

2:25 pm-9:05 pm

1 stop11h 40m

$525

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 9/27

1:40 pm-9:40 pm

1 stop27h 00m

London Heathrow

Tue 10/7

2:10 pm-10:51 pm

1 stop13h 41m

$536

Flights are sorted by cheapest round-trip 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 August. Flight prices, which tend to average around $747, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Indianapolis averaging around $772.

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

The cheapest day to depart from Indianapolis to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $938. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,010. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Indianapolis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,018. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $910 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Indianapolis for as low as $800 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 31% 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 August 2025, prices for Indianapolis to London flights are approximately 1% 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 round-trip 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

$230

Fastest flight time

10h 05m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from Indianapolis in the past 72 hours is $230. The best round-trip flight deal from Indianapolis to London found on momondo in the last 72 hours is $457.
The fastest flight from Indianapolis to London takes 10h 05m
There are no direct flights from Indianapolis to London. Popular non-direct routes for this connection are Indianapolis Airport - London Stansted Airport, Indianapolis Airport - London Heathrow Airport and Indianapolis Airport - London Gatwick Airport.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)
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  • How far is Indianapolis to London by plane?

    The straight-line distance from Indianapolis to London is 3986.9 mi. A reasonable flight in good conditions will take 10h 05m.

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

    Prices for flights from Indianapolis Airport to London refresh 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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
DeltaPriceFrom $229Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Aer LingusPriceFrom $550Free CancellationRating
7.1
1,214 reviews
Search Aer Lingus flights
IberiaPriceFrom $589Free CancellationRating
7.0
2,878 reviews
Search Iberia flights
British AirwaysPriceFrom $637Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $648Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $666Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $680Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Dover
Slough
Luton
Guildford
Milton Keynes
Dartford
Crawley
Hayes
Chelmsford
Stansted
Brentwood
Ilford
Colchester
Folkestone
Watford
Richmond
Canterbury
Wembley

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Indianapolis to London for you.

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

Yes. momondo enables you to select and highlight flights to London from Indianapolis with this policy.

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

momondo provides multiple filters to help you find the best flight to London from Indianapolis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Indianapolis to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Indianapolis to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London trip

We make it super easy to schedule, organize 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