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Cheap flights from Indianapolis to London from $225

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 2/25. 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

Enter your travel dates to find the best prices.
Delta Logo
10:09 am - 9:00 amIND-LHR
17h 51m1 stop
Delta Logo
6:20 am - 5:23 pmLHR-IND
16h 03m2 stops
$590Delta
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Tue, Dec 2 - Tue, Dec 9
Delta Logo
2:08 pm - 8:05 amIND-LHR
12h 57m2 stops
Delta Logo
8:40 am - 7:04 pmLHR-IND
15h 24m2 stops
$594Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
KLM Logo
2:19 pm - 7:50 amIND-LHR
12h 31m1 stop
KLM Logo
10:45 am - 7:01 pmLHR-IND
13h 16m1 stop
$596KLM
Find Deal
Tue, Dec 9 - Thu, Dec 18
Aer Lingus Logo
8:00 pm - 11:25 amIND-LHR
10h 25m1 stop
Aer Lingus Logo
9:50 am - 7:30 pmLHR-IND
13h 40m1 stop
$616Aer Lingus
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Wed, Mar 4 - Wed, Mar 11
United Airlines Logo
2:42 pm - 6:40 amIND-LHR
10h 58m1 stop
United Airlines Logo
6:35 am - 5:44 pmLHR-IND
16h 09m2 stops
$617United Airlines
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Tue, Dec 2 - Tue, Dec 9
United Airlines Logo
11:15 am - 7:10 amIND-LHR
14h 55m2 stops
United Airlines Logo
9:00 am - 8:00 pmLHR-IND
16h 00m2 stops
$618United Airlines
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Tue, Dec 9 - Tue, Dec 16
Virgin Atlantic Logo
11:38 am - 9:00 amIND-LHR
16h 22m1 stop
Virgin Atlantic Logo
10:00 am - 9:00 pmLHR-IND
15h 00m2 stops
$640Virgin Atlantic
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Wed, Mar 4 - Wed, Mar 11
Aer Lingus Logo
7:50 pm - 11:10 amIND-LHR
10h 20m1 stop
Aer Lingus Logo
9:50 am - 6:20 pmLHR-IND
13h 30m1 stop
$641Aer Lingus
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Wed, Apr 29 - Wed, May 13
Iberia Logo
2:20 pm - 6:20 amIND-LHR
11h 00m1 stop
Iberia Logo
10:35 am - 6:40 pmLHR-IND
13h 05m1 stop
$648Iberia
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Fri, Jan 9 - Sun, Jan 25
Virgin Atlantic Logo
11:34 am - 6:25 amIND-LHR
13h 51m1 stop
Virgin Atlantic Logo
11:05 am - 9:42 pmLHR-IND
15h 37m2 stops
$651Virgin Atlantic
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Mon, Dec 1 - Sat, Dec 13

Air Canada flights from Indianapolis to London Heathrow Airport

Our best Air Canada deals on Indianapolis to London Heathrow Airport flight tickets
Air Canada
Jan 9
IND6:00 pmIndianapolis
32h 10m
2 stops
LHR7:10 amLondon Heathrow
Jan 18
LHR1:25 pmLondon Heathrow
32h 12m
2 stops
IND4:37 pmIndianapolis
$636
Find similar
Air Canada
Nov 26
IND11:25 amIndianapolis
14h 45m
2 stops
LHR7:10 amLondon Heathrow
Dec 1
LHR6:00 pmLondon Heathrow
24h 33m
2 stops
IND1:33 pmIndianapolis
$794
Find similar
Air Canada
Nov 20
IND6:00 amIndianapolis
20h 10m
2 stops
LHR7:10 amLondon Heathrow
Nov 26
LHR1:25 pmLondon Heathrow
28h 53m
2 stops
IND1:18 pmIndianapolis
$840
Find similar

Lufthansa flights from Indianapolis to London Heathrow Airport

Our best Lufthansa deals on Indianapolis to London Heathrow Airport flight tickets
Lufthansa
Jan 9
IND2:00 pmIndianapolis
22h 05m
2 stops
LHR5:05 pmLondon Heathrow
Jan 15
LHR11:10 amLondon Heathrow
16h 04m
2 stops
IND10:14 pmIndianapolis
$644
Find similar
Lufthansa
Nov 13
IND2:20 pmIndianapolis
14h 25m
2 stops
LHR9:45 amLondon Heathrow
Nov 19
LHR11:10 amLondon Heathrow
15h 49m
2 stops
IND9:59 pmIndianapolis
$663
Find similar
Lufthansa
Nov 13
IND2:20 pmIndianapolis
14h 25m
2 stops
LHR9:45 amLondon Heathrow
Nov 19
LHR11:10 amLondon Heathrow
15h 49m
2 stops
IND9:59 pmIndianapolis
$664
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 November 12, 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

Tue 12/2

10:09 am-9:00 am

1 stop17h 51m

London Heathrow

Tue 12/9

6:20 am-5:23 pm

2 stops16h 03m

$590

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 12/9

2:08 pm-8:05 am

2 stops12h 57m

London Heathrow

Tue 12/16

8:40 am-7:04 pm

2 stops15h 24m

$594

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 12/9

2:19 pm-7:50 am

1 stop12h 31m

London Heathrow

Thu 12/18

10:45 am-7:01 pm

1 stop13h 16m

$596

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 3/4

8:00 pm-11:25 am

1 stop10h 25m

London Heathrow

Wed 3/11

9:50 am-7:30 pm

1 stop13h 40m

$616

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 12/2

2:42 pm-6:40 am

1 stop10h 58m

London Heathrow

Tue 12/9

6:35 am-5:44 pm

2 stops16h 09m

$617

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 12/9

11:15 am-7:10 am

2 stops14h 55m

London Heathrow

Tue 12/16

9:00 am-8:00 pm

2 stops16h 00m

$618

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 3/4

11:38 am-9:00 am

1 stop16h 22m

London Heathrow

Wed 3/11

10:00 am-9:00 pm

2 stops15h 00m

$640

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 4/29

7:50 pm-11:10 am

1 stop10h 20m

London Heathrow

Wed 5/13

9:50 am-6:20 pm

1 stop13h 30m

$641

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 1/9

2:20 pm-6:20 am

1 stop11h 00m

London Heathrow

Sun 1/25

10:35 am-6:40 pm

1 stop13h 05m

$648

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 12/1

11:34 am-6:25 am

1 stop13h 51m

London Heathrow

Sat 12/13

11:05 am-9:42 pm

2 stops15h 37m

$651

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 cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Indianapolis, with most prices found around $714. If you’re not able to fly to London Heathrow Airport in February, then September is your next best option. Flight prices from Indianapolis to London Heathrow Airport during September average around $718.

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 $862 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 $743 on momondo.

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

You could potentially save up to 43% 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 November 2025, prices for Indianapolis to London Heathrow Airport flights are approximately 7% more expensive 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

Direct flights

None
There are no direct flights from Indianapolis to London Heathrow Airport. There are no popular flight routes from Indianapolis to London Heathrow Airport.
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  • How far is Indianapolis to London Heathrow by plane?

    London Heathrow is 3974.7 mi away from Indianapolis. 10h 07m 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
Virgin AtlanticPriceFrom $531Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,009 reviews
Search Delta flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,009 reviews
Search Iberia flights
Aer LingusPriceFrom $550Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,513 reviews
Search British Airways flights
American AirlinesPriceFrom $622Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $680Free CancellationRating
7.4
9,015 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
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

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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