What airlines fly to London?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London from Indianapolis according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 13m.

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

Flights via New York (JFK) offer the lowest average round-trip price of $577.

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

American Airlines, United Airlines, and Aer Lingus are the most popular carriers operating from Indianapolis to London

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

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 9h 58m.

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

Dublin (DUB) was the most common stop: 51% of momondo users choosing 1-stop flights on this route connected there.

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?

As of September 2026, there are 8 operators available to choose from 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.

$231 Cheap Flights from Indianapolis to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Indianapolis to London

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One-way

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Enter your travel dates to find the best prices.

8:10 pm - 3:50 pmIND Indianapolis-LHR London Heathrow

14h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

11:10 am - 11:53 pmLHR London Heathrow-IND Indianapolis

17h 43m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$878Lufthansa

Sun, Dec 6 - Wed, Dec 9

12:14 pm - 7:45 amIND Indianapolis-LHR London Heathrow

14h 31m1 stop Detroit Metropolitan Wayne County

11:45 am - 12:13 amLHR London Heathrow-IND Indianapolis

17h 28m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$884Delta

Sun, Dec 6 - Wed, Dec 9

4:25 pm - 9:35 amIND Indianapolis-LHR London Heathrow

12h 10m1 stop Toronto Pearson Intl

8:05 pm - 4:34 pmLHR London Heathrow-IND Indianapolis

25h 29m2 stops Zurich Chicago O'Hare Intl

$884Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

7:00 am - 9:00 amIND Indianapolis-LHR London Heathrow

21h 00m1 stop Atlanta Hartsfield-Jackson

11:45 am - 9:36 pmLHR London Heathrow-IND Indianapolis

14h 51m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$884Delta

Sun, Dec 6 - Wed, Dec 9

11:21 am - 10:00 amIND Indianapolis-LGW London Gatwick

17h 39m1 stop Orlando

2:00 pm - 6:53 pmLGW London Gatwick-IND Indianapolis

33h 53m2 stops Orlando Atlanta Hartsfield-Jackson

$885Multiple Airlines

Fri, Oct 2 - Sun, Oct 4

10:51 am - 7:15 amIND Indianapolis-LHR London Heathrow

15h 24m1 stop Newark

6:50 am - 6:59 pmLHR London Heathrow-IND Indianapolis

17h 09m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$887United Airlines

Wed, Sep 30 - Wed, Oct 7

1:49 pm - 8:30 amIND Indianapolis-LHR London Heathrow

13h 41m1 stop Chicago O'Hare Intl

6:35 am - 8:46 pmLHR London Heathrow-IND Indianapolis

18h 11m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$887United Airlines

Wed, Oct 21 - Thu, Oct 29

4:59 pm - 7:45 amIND Indianapolis-LHR London Heathrow

10h 46m1 stop Detroit Metropolitan Wayne County

9:50 am - 5:19 pmLHR London Heathrow-IND Indianapolis

12h 29m1 stop Minneapolis St Paul

$887Virgin Atlantic

Mon, Oct 26 - Wed, Nov 11

4:25 pm - 11:50 amIND Indianapolis-LHR London Heathrow

14h 25m1 stop Toronto Pearson Intl

8:30 am - 8:41 pmLHR London Heathrow-IND Indianapolis

17h 11m1 stop Toronto Pearson Intl

$896Lufthansa

Mon, Oct 12 - Tue, Oct 20

5:59 pm - 10:20 amIND Indianapolis-LHR London Heathrow

11h 21m1 stop New York John F Kennedy Intl

8:20 am - 4:26 pmLHR London Heathrow-IND Indianapolis

13h 06m1 stop New York John F Kennedy Intl

$898Virgin Atlantic

Wed, Oct 14 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

4:25 pm - 11:50 amIND Indianapolis-LHR London Heathrow

14h 25m1 stop Toronto Pearson Intl

7:30 pm - 11:47 pmLHR London Heathrow-IND Indianapolis

33h 17m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,027Lufthansa

Wed, Sep 9 - Mon, Sep 21

4:25 pm - 8:35 amIND Indianapolis-LHR London Heathrow

11h 10m1 stop Toronto Pearson Intl

7:30 pm - 11:47 pmLHR London Heathrow-IND Indianapolis

33h 17m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,027Lufthansa

Tue, Sep 8 - Mon, Sep 14

4:25 pm - 6:45 amIND Indianapolis-LHR London Heathrow

33h 20m1 stop Chicago O'Hare Intl

2:10 pm - 10:11 amLHR London Heathrow-IND Indianapolis

25h 01m2 stops Ottawa Washington, D.C. Dulles Intl

$1,027United Airlines

Sat, Sep 5 - Wed, Sep 16

10:20 am - 6:35 amIND Indianapolis-LHR London Heathrow

15h 15m1 stop Toronto Pearson Intl

8:05 pm - 4:33 pmLHR London Heathrow-IND Indianapolis

25h 28m2 stops Zurich Chicago O'Hare Intl

$1,027Multiple Airlines

Tue, Sep 8 - Mon, Sep 14

10:20 am - 6:35 amIND Indianapolis-LHR London Heathrow

15h 15m1 stop Toronto Pearson Intl

8:05 pm - 4:33 pmLHR London Heathrow-IND Indianapolis

25h 28m2 stops Zurich Chicago O'Hare Intl

$1,028Multiple Airlines

Tue, Sep 8 - Mon, Sep 14

7:43 pm - 6:55 amIND Indianapolis-LHR London Heathrow

30h 12m1 stop Washington, D.C. Dulles Intl

2:05 pm - 11:56 amLHR London Heathrow-IND Indianapolis

26h 51m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$1,034United Airlines

Sat, Sep 5 - Tue, Sep 15

2:25 pm - 9:15 amIND Indianapolis-LHR London Heathrow

13h 50m1 stop Boston Logan Intl

9:55 am - 8:27 pmLHR London Heathrow-IND Indianapolis

15h 32m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,070Delta

Sat, Sep 5 - Wed, Sep 16

7:20 am - 6:45 amIND Indianapolis-LHR London Heathrow

18h 25m1 stop New York John F Kennedy Intl

9:55 am - 9:49 pmLHR London Heathrow-IND Indianapolis

16h 54m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,070Delta

Sat, Sep 5 - Wed, Sep 16

12:34 pm - 9:00 amIND Indianapolis-LCY London City

15h 26m2 stops New York John F Kennedy Intl Madrid Barajas

7:00 am - 5:52 pmLCY London City-IND Indianapolis

15h 52m2 stops Edinburgh Turnhouse New York John F Kennedy Intl

$1,225British Airways

Tue, Sep 8 - Mon, Sep 14

12:34 pm - 9:00 amIND Indianapolis-LCY London City

15h 26m2 stops New York John F Kennedy Intl Madrid Barajas

7:00 am - 5:52 pmLCY London City-IND Indianapolis

15h 52m2 stops Edinburgh Turnhouse New York John F Kennedy Intl

$1,414British Airways

Tue, Sep 8 - Mon, Sep 14

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British Airways flights from Indianapolis to London

Our best British Airways deals on Indianapolis to London flight tickets

British Airways

Oct 10

IND8:58 pmIndianapolis

30h 07m

1 stop

LHR8:05 amLondon Heathrow

Nov 4

LHR3:45 pmLondon Heathrow

31h 00m

2 stops

IND5:45 pmIndianapolis

$935

British Airways

Nov 29

IND3:32 pmIndianapolis

18h 48m

2 stops

LHR3:20 pmLondon Heathrow

Dec 12

LHR6:00 amLondon Heathrow

21h 50m

2 stops

IND10:50 pmIndianapolis

$944

British Airways

Sep 12

IND7:01 amIndianapolis

31h 44m

1 stop

LHR7:45 pmLondon Heathrow

Dec 12

LHR6:00 amLondon Heathrow

21h 50m

2 stops

IND10:50 pmIndianapolis

$1,080

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets

United Airlines

Sep 30

IND10:51 amIndianapolis

15h 24m

1 stop

LHR7:15 amLondon Heathrow

Oct 7

LHR6:50 amLondon Heathrow

17h 09m

2 stops

IND6:59 pmIndianapolis

$887

United Airlines

Sep 30

IND10:51 amIndianapolis

14h 39m

2 stops

LHR6:30 amLondon Heathrow

Oct 7

LHR6:50 amLondon Heathrow

17h 09m

2 stops

IND6:59 pmIndianapolis

$890

United Airlines

Dec 6

IND1:37 pmIndianapolis

13h 18m

1 stop

LHR7:55 amLondon Heathrow

Dec 9

LHR10:25 amLondon Heathrow

13h 21m

1 stop

IND6:46 pmIndianapolis

$913

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 12/6

8:10 pm-3:50 pm

2 stops14h 40m

London Heathrow

Wed 12/9

11:10 am-11:53 pm

2 stops17h 43m

$878

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 12/6

12:14 pm-7:45 am

1 stop14h 31m

London Heathrow

Wed 12/9

11:45 am-12:13 am

2 stops17h 28m

$884

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 9/30

4:25 pm-9:35 am

1 stop12h 10m

London Heathrow

Tue 10/6

8:05 pm-4:34 pm

2 stops25h 29m

$884

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 12/6

7:00 am-9:00 am

1 stop21h 00m

London Heathrow

Wed 12/9

11:45 am-9:36 pm

2 stops14h 51m

$884

IndianapolisLondon

IND Indianapolis - LGW London Gatwick

INDLGW

Indianapolis

Fri 10/2

11:21 am-10:00 am

1 stop17h 39m

London Gatwick

Sun 10/4

2:00 pm-6:53 pm

2 stops33h 53m

$885

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 9/30

10:51 am-7:15 am

1 stop15h 24m

London Heathrow

Wed 10/7

6:50 am-6:59 pm

2 stops17h 09m

$887

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 10/21

1:49 pm-8:30 am

1 stop13h 41m

London Heathrow

Thu 10/29

6:35 am-8:46 pm

2 stops18h 11m

$887

Quickest round-trip

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 10/26

4:59 pm-7:45 am

1 stop10h 46m

London Heathrow

Wed 11/11

9:50 am-5:19 pm

1 stop12h 29m

$887

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 10/12

4:25 pm-11:50 am

1 stop14h 25m

London Heathrow

Tue 10/20

8:30 am-8:41 pm

1 stop17h 11m

$896

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 10/14

5:59 pm-10:20 am

1 stop11h 21m

London Heathrow

Tue 10/20

8:20 am-4:26 pm

1 stop13h 06m

$898

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

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 typical price of a round-trip flight between Indianapolis and London?

Prices are currently typical for flights on this route.

Typical prices usually range from $709 to $1,110.
The lowest price recently found on this route was $878.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Indianapolis is in February. Flight prices, which tend to average around $709, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Indianapolis averaging around $730.

How far in advance should I book a flight from Indianapolis 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 $873 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 $764 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 38% 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 2026, prices for Indianapolis to London flights are approximately 48% 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	$231
Fastest flight time	9h 50m
Direct flights	None

The best one-way flight to London from Indianapolis in the past 72 hours is $231. The best round-trip flight deal from Indianapolis to London found on momondo in the last 72 hours is $878.

The fastest flight from Indianapolis to London takes 9h 50m

There are no direct flights from Indianapolis to London. There are no popular flight routes from Indianapolis to London.

Search flight deals

Frequently asked questions about flying from Indianapolis to London

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 50m.
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?
As of September 2026, there are 8 operators available to choose from 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?
Based on momondo bookings for flights between Indianapolis and London, the leading airline is American Airlines, making up 20% of the total bookings. Other popular airlines include United Airlines with 19%, Aer Lingus with 18%, and British Airways with 15%.

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
Virgin Atlantic	PriceFrom $449	Free Cancellation	Rating 7.4 696 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $494	Free Cancellation	Rating 6.7 8,204 reviews	Search British Airways flights
Iberia	PriceFrom $540	Free Cancellation	Rating 7.0 3,248 reviews	Search Iberia flights
Delta	PriceFrom $555	Free Cancellation	Rating 7.8 8,566 reviews	Search Delta flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $631	Free Cancellation	Rating 7.4 10,171 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $668	Free Cancellation	Rating 7.3 1,745 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $741	Free Cancellation	Rating 6.8 8,225 reviews	Search Lufthansa flights

Hounslow

Gatwick

Milton Keynes

Hayes

Wembley

Luton

Croydon

Dover

Richmond

Stansted

Kingston upon Thames

Harrow

Cobham

Watford

Slough

Eastbourne

Worthing

Hook

Uxbridge

Romford

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.

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Cheap flights from Indianapolis to London from $231

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 9/30. 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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British Airways flights from Indianapolis to London

Our best British Airways deals on Indianapolis to London flight tickets

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets

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How to get the cheapest flight ticket from Indianapolis to London

What is the typical price of a round-trip flight between Indianapolis and London?

What is the cheapest month to fly to London?

How far in advance should I book a flight from Indianapolis to London?

Can stopping save me money on Indianapolis to London flights?

How have Indianapolis to London flight prices changed over time?

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

What airlines fly to London?

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

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

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

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

When to book flights from Indianapolis to London

Cheap Indianapolis to London (IND to LON) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near London?

Why use momondo?

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.

Get notified when prices go down

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

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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

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

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