Which layover airport offers the lowest fares from Indianapolis to London Heathrow Airport?

Flights via Newark (EWR) offer the lowest average round-trip price of $533.

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Indianapolis according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Indianapolis and London Heathrow Airport?

Dublin (DUB) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Indianapolis to London Heathrow Airport?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 10h 18m.

What is the cheapest airline that flies from Indianapolis to London Heathrow?

Aer Lingus is the most popular carrier operating from Indianapolis to London Heathrow

Which layover airport has the shortest connection time from Indianapolis to London Heathrow Airport?

Chicago (ORD) has the shortest average layover time for this route: 1h 35m.

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?

As of February 2026, there are 7 operators available to choose from 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.

$222 Cheap Flights from Indianapolis to London Heathrow Airport in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 pm - 1:55 pm

IND

LHR

13h 05m

1 stop

9:50 am - 6:20 pm

LHR

IND

13h 30m

1 stop

$621Aer Lingus

Mon, Apr 6 - Wed, Apr 22

6:15 am - 8:20 pm

IND

LHR

33h 05m

3 stops

1:05 pm - 12:08 am

LHR

IND

16h 03m

2 stops

$623Multiple Airlines

Wed, Apr 22 - Mon, Apr 27

7:45 pm - 6:25 pm

IND

LHR

17h 40m

2 stops

10:50 am - 11:57 pm

LHR

IND

18h 07m

2 stops

$625Lufthansa

Mon, Mar 30 - Tue, Apr 7

4:25 pm - 9:35 am

IND

LHR

12h 10m

1 stop

8:30 am - 11:59 pm

LHR

IND

20h 29m

2 stops

$631Lufthansa

Tue, May 12 - Tue, May 19

4:25 pm - 8:35 am

IND

LHR

11h 10m

1 stop

6:55 am - 8:39 pm

LHR

IND

18h 44m

2 stops

$633Lufthansa

Sun, Aug 16 - Wed, Aug 26

7:47 pm - 5:40 pm

IND

LHR

16h 53m

2 stops

7:25 am - 8:34 pm

LHR

IND

18h 09m

2 stops

$634Lufthansa

Wed, Apr 22 - Tue, May 5

7:43 pm - 12:15 pm

IND

LHR

11h 32m

1 stop

11:30 am - 9:34 pm

LHR

IND

39h 04m

2 stops

$643Iberia

Mon, Apr 13 - Tue, Apr 28

4:25 pm - 8:35 am

IND

LHR

11h 10m

1 stop

2:10 pm - 8:34 pm

LHR

IND

11h 24m

1 stop

$645Lufthansa

Tue, May 12 - Tue, May 19

1:50 pm - 10:40 am

IND

LHR

15h 50m

2 stops

6:30 am - 4:52 pm

LHR

IND

15h 22m

2 stops

$646Lufthansa

Tue, Mar 31 - Tue, Apr 7

7:59 pm - 4:40 pm

IND

LHR

15h 41m

2 stops

7:25 am - 8:39 pm

LHR

IND

18h 14m

2 stops

$648Lufthansa

Sun, Aug 16 - Wed, Aug 26

Lufthansa flights from Indianapolis to London Heathrow Airport

Our best Lufthansa deals on Indianapolis to London Heathrow Airport flight tickets

Lufthansa

Mar 30

IND7:45 pmIndianapolis

17h 40m

2 stops

LHR6:25 pmLondon Heathrow

Apr 7

LHR10:50 amLondon Heathrow

18h 07m

2 stops

IND11:57 pmIndianapolis

$625

Lufthansa

May 12

IND4:25 pmIndianapolis

12h 10m

1 stop

LHR9:35 amLondon Heathrow

May 19

LHR8:30 amLondon Heathrow

20h 29m

2 stops

IND11:59 pmIndianapolis

$631

Lufthansa

Aug 16

IND4:25 pmIndianapolis

11h 10m

1 stop

LHR8:35 amLondon Heathrow

Aug 26

LHR6:55 amLondon Heathrow

18h 44m

2 stops

IND8:39 pmIndianapolis

$633

Air Canada flights from Indianapolis to London Heathrow Airport

Our best Air Canada deals on Indianapolis to London Heathrow Airport flight tickets

Air Canada

Apr 29

IND12:47 pmIndianapolis

14h 48m

2 stops

LHR8:35 amLondon Heathrow

May 6

LHR2:10 pmLondon Heathrow

28h 31m

2 stops

IND1:41 pmIndianapolis

$653

Air Canada

Apr 26

IND11:04 amIndianapolis

17h 31m

2 stops

LHR9:35 amLondon Heathrow

May 6

LHR2:05 pmLondon Heathrow

28h 36m

2 stops

IND1:41 pmIndianapolis

$665

Air Canada

Aug 19

IND8:00 amIndianapolis

19h 35m

2 stops

LHR8:35 amLondon Heathrow

Aug 28

LHR5:40 pmLondon Heathrow

29h 08m

2 stops

IND5:48 pmIndianapolis

$677

momondo Fare Finder

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 4/6

7:50 pm-1:55 pm

1 stop13h 05m

London Heathrow

Wed 4/22

9:50 am-6:20 pm

1 stop13h 30m

$621

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 4/22

6:15 am-8:20 pm

3 stops33h 05m

London Heathrow

Mon 4/27

1:05 pm-12:08 am

2 stops16h 03m

$623

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 3/30

7:45 pm-6:25 pm

2 stops17h 40m

London Heathrow

Tue 4/7

10:50 am-11:57 pm

2 stops18h 07m

$625

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 5/12

4:25 pm-9:35 am

1 stop12h 10m

London Heathrow

Tue 5/19

8:30 am-11:59 pm

2 stops20h 29m

$631

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 8/16

4:25 pm-8:35 am

1 stop11h 10m

London Heathrow

Wed 8/26

6:55 am-8:39 pm

2 stops18h 44m

$633

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 4/22

7:47 pm-5:40 pm

2 stops16h 53m

London Heathrow

Tue 5/5

7:25 am-8:34 pm

2 stops18h 09m

$634

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 4/13

7:43 pm-12:15 pm

1 stop11h 32m

London Heathrow

Tue 4/28

11:30 am-9:34 pm

2 stops39h 04m

$643

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 5/12

4:25 pm-8:35 am

1 stop11h 10m

London Heathrow

Tue 5/19

2:10 pm-8:34 pm

1 stop11h 24m

$645

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 3/31

1:50 pm-10:40 am

2 stops15h 50m

London Heathrow

Tue 4/7

6:30 am-4:52 pm

2 stops15h 22m

$646

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 8/16

7:59 pm-4:40 pm

2 stops15h 41m

London Heathrow

Wed 8/26

7:25 am-8:39 pm

2 stops18h 14m

$648

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Indianapolis, with most prices found around $632. If you’re not able to fly to London Heathrow Airport in September, then February is your next best option. Flight prices from Indianapolis to London Heathrow Airport during February average around $672.

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 $818 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 $659 on momondo.

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

You could potentially save up to 44% 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?

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

Fastest flight time	10h 10m
Direct flights	None

The fastest flight from Indianapolis to London Heathrow Airport takes 10h 10m

There are no direct flights from Indianapolis to London Heathrow Airport. There are no popular flight routes from Indianapolis to 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 10m 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?
As of February 2026, there are 7 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Indianapolis to London Heathrow Airport is British Airways, representing 29% of all bookings. The subsequent popular airlines are American Airlines at 24%, Aer Lingus at 14%, and United Airlines at 13%.

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 Atlantic	PriceFrom $449	Free Cancellation	Rating 7.5 679 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $525	Free Cancellation	Rating 6.7 7,757 reviews	Search British Airways flights
Delta	PriceFrom $531	Free Cancellation	Rating 7.9 8,238 reviews	Search Delta flights
Iberia	PriceFrom $540	Free Cancellation	Rating 7.0 3,123 reviews	Search Iberia flights
Aer Lingus	PriceFrom $579	Free Cancellation	Rating 7.2 1,460 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.2 11,341 reviews	Search American Airlines flights
United Airlines	PriceFrom $633	Free Cancellation	Rating 7.4 9,339 reviews	Search United Airlines flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Stratford-upon-Avon

Crawley

Hayes

Wembley

Dartford

Brentwood

Croydon

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

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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Flights to London Gatwick Airportfrom $388

Flights to London City Airportfrom $508

Flights to London Stansted Airportfrom $332

Flights to London Luton Airportfrom $349

Flights to Glasgow Intl Airportfrom $341

Flights to Belfast Intl Airportfrom $566

Flights to London Southend Airportfrom $417

Flights to Belfast City Airportfrom $566

Cheap flights from Indianapolis to London from $283

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 3/17. 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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momondo Fare Finder

Use the filters below to find and compare flights from Indianapolis to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Indianapolis to London Heathrow Airport

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

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

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

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

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

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

What is the cheapest airline that flies from Indianapolis to London Heathrow?

What airlines fly to London Heathrow Airport?

Which airport is the most popular layover for flights between Indianapolis and London Heathrow Airport?

Which layover airport offers the lowest fares from Indianapolis to London Heathrow Airport?

Which layover airport has the shortest travel time from Indianapolis to London Heathrow Airport?

Which layover airport has the shortest connection time from Indianapolis to London Heathrow Airport?

When to book flights from Indianapolis to London Heathrow Airport

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

Fastest flight time

Direct flights

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

Traveling to a place near London?

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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