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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 9/23. 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

Aer Lingus Logo
8:00 pm - 1:25 pmIND-LHR
12h 25m1 stop
Aer Lingus Logo
8:50 am - 6:30 pmLHR-IND
14h 40m1 stop
$474Aer Lingus
Find Deal
Mon, Nov 3 - Fri, Nov 7
Air Canada Logo
10:20 am - 10:00 amIND-LHR
18h 40m1 stop
Air Canada Logo
12:05 pm - 9:01 pmLHR-IND
13h 56m1 stop
$500Air Canada
Find Deal
Sun, Sep 14 - Tue, Sep 30
Logo
7:20 am - 8:35 amIND-LHR
20h 15m2 stops
Logo
8:05 pm - 4:32 pmLHR-IND
25h 27m2 stops
$503
Find Deal
Wed, Aug 13 - Wed, Aug 20
United Airlines Logo
7:20 am - 6:55 amIND-LHR
18h 35m2 stops
United Airlines Logo
2:05 pm - 11:24 amLHR-IND
26h 19m2 stops
$507United Airlines
Find Deal
Wed, Aug 13 - Tue, Aug 26
British Airways Logo
3:45 pm - 7:45 amIND-LHR
11h 00m1 stop
British Airways Logo
11:05 am - 6:43 pmLHR-IND
12h 38m1 stop
$509British Airways
Find Deal
Tue, Oct 7 - Tue, Oct 21
British Airways Logo
3:45 pm - 6:50 amIND-LHR
10h 05m1 stop
British Airways Logo
1:10 pm - 11:32 pmLHR-IND
14h 22m1 stop
$510British Airways
Find Deal
Tue, Oct 14 - Tue, Oct 28
United Airlines Logo
10:05 am - 10:40 amIND-LHR
19h 35m1 stop
United Airlines Logo
8:40 am - 11:31 pmLHR-IND
19h 51m2 stops
$512United Airlines
Find Deal
Wed, Aug 20 - Wed, Aug 27
Delta Logo
12:59 pm - 6:25 amIND-LHR
12h 26m1 stop
Delta Logo
6:15 am - 5:13 pmLHR-IND
15h 58m2 stops
$522Delta
Find Deal
Mon, Sep 1 - Tue, Sep 16
Delta Logo
6:05 am - 6:45 amIND-LHR
19h 40m1 stop
Delta Logo
8:40 am - 6:50 pmLHR-IND
15h 10m2 stops
$524Delta
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Wed, Aug 27 - Fri, Sep 19
Iberia Logo
2:33 pm - 9:40 pmIND-LHR
26h 07m1 stop
Iberia Logo
9:45 am - 11:06 pmLHR-IND
18h 21m1 stop
$536Iberia
Find Deal
Sun, Aug 31 - Wed, Sep 10

United Airlines flights from Indianapolis to London Heathrow Airport

Our best United Airlines deals on Indianapolis to London Heathrow Airport flight tickets
United Airlines
Aug 13
IND7:20 amIndianapolis
18h 35m
2 stops
LHR6:55 amLondon Heathrow
Aug 26
LHR2:05 pmLondon Heathrow
26h 19m
2 stops
IND11:24 amIndianapolis
$507
Find similar
United Airlines
Aug 20
IND10:05 amIndianapolis
19h 35m
1 stop
LHR10:40 amLondon Heathrow
Aug 27
LHR8:40 amLondon Heathrow
19h 51m
2 stops
IND11:31 pmIndianapolis
$512
Find similar
United Airlines
Oct 11
IND10:20 amIndianapolis
29h 40m
2 stops
LHR9:00 pmLondon Heathrow
Oct 21
LHR11:05 amLondon Heathrow
11h 49m
1 stop
IND5:54 pmIndianapolis
$532
Find similar

British Airways flights from Indianapolis to London Heathrow Airport

Our best British Airways deals on Indianapolis to London Heathrow Airport flight tickets
British Airways
Oct 7
IND3:45 pmIndianapolis
11h 00m
1 stop
LHR7:45 amLondon Heathrow
Oct 21
LHR11:05 amLondon Heathrow
12h 38m
1 stop
IND6:43 pmIndianapolis
$509
Find similar
British Airways
Oct 14
IND3:45 pmIndianapolis
10h 05m
1 stop
LHR6:50 amLondon Heathrow
Oct 28
LHR1:10 pmLondon Heathrow
14h 22m
1 stop
IND11:32 pmIndianapolis
$510
Find similar
British Airways
Oct 8
IND2:45 pmIndianapolis
12h 05m
1 stop
LHR7:50 amLondon Heathrow
Oct 14
LHR8:55 amLondon Heathrow
15h 49m
1 stop
IND7:44 pmIndianapolis
$511
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Indianapolis to London Heathrow Airport 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 July 31, 2025.
Use the filters below to find and compare flights from Indianapolis to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 11/3

8:00 pm-1:25 pm

1 stop12h 25m

London Heathrow

Fri 11/7

8:50 am-6:30 pm

1 stop14h 40m

$474

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 9/14

10:20 am-10:00 am

1 stop18h 40m

London Heathrow

Tue 9/30

12:05 pm-9:01 pm

1 stop13h 56m

$500

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 8/13

7:20 am-8:35 am

2 stops20h 15m

London Heathrow

Wed 8/20

8:05 pm-4:32 pm

2 stops25h 27m

$503

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 8/13

7:20 am-6:55 am

2 stops18h 35m

London Heathrow

Tue 8/26

2:05 pm-11:24 am

2 stops26h 19m

$507

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 10/7

3:45 pm-7:45 am

1 stop11h 00m

London Heathrow

Tue 10/21

11:05 am-6:43 pm

1 stop12h 38m

$509

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 10/14

3:45 pm-6:50 am

1 stop10h 05m

London Heathrow

Tue 10/28

1:10 pm-11:32 pm

1 stop14h 22m

$510

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 8/20

10:05 am-10:40 am

1 stop19h 35m

London Heathrow

Wed 8/27

8:40 am-11:31 pm

2 stops19h 51m

$512

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 9/1

12:59 pm-6:25 am

1 stop12h 26m

London Heathrow

Tue 9/16

6:15 am-5:13 pm

2 stops15h 58m

$522

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 8/27

6:05 am-6:45 am

1 stop19h 40m

London Heathrow

Fri 9/19

8:40 am-6:50 pm

2 stops15h 10m

$524

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 8/31

2:33 pm-9:40 pm

1 stop26h 07m

London Heathrow

Wed 9/10

9:45 am-11:06 pm

1 stop18h 21m

$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 Heathrow Airport

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 Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Indianapolis, with most prices found around $753. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Indianapolis to London Heathrow Airport during February average around $785.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $939. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,010.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Indianapolis to London Heathrow Airport in the afternoon for as low as $882. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,018.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $905 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Indianapolis for as low as $804 on momondo.

Can stopping save me money on Indianapolis to London Heathrow Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Indianapolis to London Heathrow Airport flight.

How have Indianapolis to London Heathrow Airport flight prices changed over time?

As of July 2025, prices for Indianapolis to London Heathrow Airport flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Indianapolis to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Indianapolis to London Heathrow Airport (IND to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to London Heathrow Airport

Best Price Found

$230

Fastest flight time

10h 05m

Direct flights

None
The best one-way flight to London Heathrow Airport from Indianapolis in the past 72 hours is $230. The best round-trip flight deal from Indianapolis to London Heathrow Airport found on momondo in the last 72 hours is $474.
The fastest flight from Indianapolis to London Heathrow Airport takes 10h 05m
There are no direct flights from Indianapolis to London Heathrow Airport. Popular non-direct route for this connection is Indianapolis Airport - London Heathrow Airport.
Search flight deals

  • How far is Indianapolis to London Heathrow by plane?

    London Heathrow is 3974.7 mi away from Indianapolis. 10h 05m is a normal flight duration for this route.

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

    Prices for flights from Indianapolis Airport to London Heathrow Airport refresh daily.

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

  • How old do you have to be to fly from Indianapolis Airport to London Heathrow Airport?

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Indianapolis to London Heathrow Airport

Compare and see reviews for airlines that fly from Indianapolis to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $550Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
IberiaPriceFrom $595Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
DeltaPriceFrom $637Free CancellationRating
8.0
7,981 reviews
Search Delta flights
British AirwaysPriceFrom $678Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
American AirlinesPriceFrom $683Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $697Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $739Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights

Traveling to a place near London?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Indianapolis.

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

All flight searches from Indianapolis to London on momondo can be filtered to show those which offer flexible booking policies.

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?

Price alerts on flights to London from Indianapolis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London Heathrow Airport trip

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