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Cheap flights from Indianapolis to London from $186

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 10/14. 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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0 bags

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Find the cheapest flights from Indianapolis to London

Cheap round-trip flights

United Airlines Logo
2:37 pm - 10:50 amIND-LHR
15h 13m1 stop
United Airlines Logo
6:50 am - 4:20 pmLHR-IND
14h 30m2 stops
$521United Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Air Canada Logo
6:00 am - 7:10 amIND-LHR
20h 10m2 stops
Air Canada Logo
1:25 pm - 11:18 pmLHR-IND
14h 53m2 stops
$523Air Canada
Find Deal
Wed, Nov 12 - Wed, Nov 19
Delta Logo
4:48 pm - 9:00 amIND-LHR
11h 12m1 stop
Delta Logo
1:05 pm - 9:02 pmLHR-IND
12h 57m1 stop
$524Delta
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Sun, Nov 2 - Fri, Nov 14
Delta Logo
5:35 pm - 10:30 amIND-LHR
11h 55m1 stop
Delta Logo
8:40 am - 6:54 pmLHR-IND
15h 14m2 stops
$525Delta
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Tue, Oct 7 - Tue, Oct 21
British Airways Logo
5:03 am - 8:00 pmIND-LHR
9h 57m1 stop
British Airways Logo
12:35 pm - 9:15 pmLHR-IND
13h 40m1 stop
$527British Airways
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Wed, Nov 12 - Wed, Nov 19
Aer Lingus Logo
9:00 pm - 11:25 amIND-LHR
10h 25m1 stop
Aer Lingus Logo
8:50 am - 6:30 pmLHR-IND
14h 40m1 stop
$556Aer Lingus
Find Deal
Wed, Oct 29 - Mon, Nov 3
Aer Lingus Logo
8:00 pm - 11:25 amIND-LHR
10h 25m1 stop
Aer Lingus Logo
9:50 am - 6:30 pmLHR-IND
13h 40m1 stop
$557Aer Lingus
Find Deal
Fri, Nov 14 - Wed, Nov 19
British Airways Logo
3:54 pm - 6:55 amIND-LHR
10h 01m1 stop
British Airways Logo
1:10 pm - 8:50 pmLHR-IND
12h 40m1 stop
$579British Airways
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Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
12:46 pm - 8:10 amIND-LGW
14h 24m2 stops
American Airlines Logo
12:30 pm - 12:17 pmLGW-IND
27h 47m2 stops
$580American Airlines
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Thu, Oct 23 - Thu, Oct 30
Iberia Logo
1:57 pm - 6:20 amIND-LHR
11h 23m1 stop
Iberia Logo
11:00 am - 7:09 pmLHR-IND
13h 09m1 stop
$580Iberia
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Fri, Nov 14 - Wed, Nov 19

British Airways flights from Indianapolis to London

Our best British Airways deals on Indianapolis to London flight tickets
British Airways
Nov 12
IND5:03 amIndianapolis
9h 57m
1 stop
LHR8:00 pmLondon Heathrow
Nov 19
LHR12:35 pmLondon Heathrow
13h 40m
1 stop
IND9:15 pmIndianapolis
$527
Find similar
British Airways
Feb 19
IND3:54 pmIndianapolis
10h 01m
1 stop
LHR6:55 amLondon Heathrow
Feb 25
LHR1:10 pmLondon Heathrow
12h 40m
1 stop
IND8:50 pmIndianapolis
$579
Find similar
British Airways
Oct 8
IND12:38 pmIndianapolis
14h 32m
1 stop
LGW8:10 amLondon Gatwick
Oct 14
LGW3:05 pmLondon Gatwick
12h 46m
1 stop
IND10:51 pmIndianapolis
$589
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Air Canada flights from Indianapolis to London

Our best Air Canada deals on Indianapolis to London flight tickets
Air Canada
Nov 12
IND6:00 amIndianapolis
20h 10m
2 stops
LHR7:10 amLondon Heathrow
Nov 19
LHR1:25 pmLondon Heathrow
14h 53m
2 stops
IND11:18 pmIndianapolis
$523
Find similar
Air Canada
Oct 7
IND10:20 amIndianapolis
15h 15m
1 stop
LHR6:35 amLondon Heathrow
Oct 16
LHR12:05 pmLondon Heathrow
13h 56m
1 stop
IND9:01 pmIndianapolis
$531
Find similar
Air Canada
Oct 1
IND10:20 amIndianapolis
15h 15m
1 stop
LHR6:35 amLondon Heathrow
Oct 13
LHR6:50 amLondon Heathrow
19h 11m
2 stops
IND9:01 pmIndianapolis
$569
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 September 11, 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

Wed 11/12

2:37 pm-10:50 am

1 stop15h 13m

London Heathrow

Wed 11/19

6:50 am-4:20 pm

2 stops14h 30m

$521

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 11/12

6:00 am-7:10 am

2 stops20h 10m

London Heathrow

Wed 11/19

1:25 pm-11:18 pm

2 stops14h 53m

$523

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 11/2

4:48 pm-9:00 am

1 stop11h 12m

London Heathrow

Fri 11/14

1:05 pm-9:02 pm

1 stop12h 57m

$524

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 10/7

5:35 pm-10:30 am

1 stop11h 55m

London Heathrow

Tue 10/21

8:40 am-6:54 pm

2 stops15h 14m

$525

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 11/12

5:03 am-8:00 pm

1 stop9h 57m

London Heathrow

Wed 11/19

12:35 pm-9:15 pm

1 stop13h 40m

$527

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 10/29

9:00 pm-11:25 am

1 stop10h 25m

London Heathrow

Mon 11/3

8:50 am-6:30 pm

1 stop14h 40m

$556

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 11/14

8:00 pm-11:25 am

1 stop10h 25m

London Heathrow

Wed 11/19

9:50 am-6:30 pm

1 stop13h 40m

$557

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 2/19

3:54 pm-6:55 am

1 stop10h 01m

London Heathrow

Wed 2/25

1:10 pm-8:50 pm

1 stop12h 40m

$579

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Thu 10/23

12:46 pm-8:10 am

2 stops14h 24m

London Gatwick

Thu 10/30

12:30 pm-12:17 pm

2 stops27h 47m

$580

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 11/14

1:57 pm-6:20 am

1 stop11h 23m

London Heathrow

Wed 11/19

11:00 am-7:09 pm

1 stop13h 09m

$580

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 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 $740, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Indianapolis averaging around $764.

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 $903 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 $742 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 14% 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 2025, prices for Indianapolis to London flights are approximately 30% more expensive 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

Direct flights

None
There are no direct flights from Indianapolis to London. There are no popular flight routes from Indianapolis to London.
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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 9h 56m.

  • 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
Aer LingusPriceFrom $488Free CancellationRating
7.2
1,271 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $488Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $531Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $531Free CancellationRating
7.9
7,960 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
2,929 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
United AirlinesPriceFrom $680Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near London?

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

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Sat 10/11
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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