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

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

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

Flights via New York (JFK) offer the lowest average round-trip price of $488.

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.

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

Dublin (DUB) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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.

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 August 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.

$263 Cheap Flights from Indianapolis to London in 2026

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Find the cheapest flights from Indianapolis to London

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One-way

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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

$818Multiple Airlines

Wed, Sep 16 - Sun, Sep 20

10:26 am - 10:00 amIND Indianapolis-LGW London Gatwick

18h 34m1 stop Orlando

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

33h 53m2 stops Orlando Atlanta Hartsfield-Jackson

$821Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

7:50 pm - 12:40 pmIND Indianapolis-LHR London Heathrow

11h 50m1 stop Dublin

8:50 am - 6:20 pmLHR London Heathrow-IND Indianapolis

14h 30m1 stop Dublin

$850Aer Lingus

Wed, Oct 14 - Wed, Oct 21

8:35 pm - 11:25 amIND Indianapolis-LHR London Heathrow

9h 50m1 stop Dublin

12:10 pm - 7:05 pmLHR London Heathrow-IND Indianapolis

11h 55m1 stop Dublin

$863Aer Lingus

Wed, Nov 4 - Wed, Nov 11

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

11h 10m1 stop Toronto Pearson Intl

6:55 am - 8:36 pmLHR London Heathrow-IND Indianapolis

18h 41m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$868Lufthansa

Mon, Sep 28 - Tue, Oct 6

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

12h 10m1 stop Toronto Pearson Intl

7:25 am - 8:36 pmLHR London Heathrow-IND Indianapolis

18h 11m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$868Lufthansa

Mon, Oct 12 - Tue, Oct 20

2:20 pm - 6:15 amIND Indianapolis-LHR London Heathrow

10h 55m1 stop New York John F Kennedy Intl

7:35 am - 8:59 pmLHR London Heathrow-IND Indianapolis

18h 24m2 stops Madrid Barajas Philadelphia

$869British Airways

Wed, Jan 13 - Wed, Jan 20

2:20 pm - 6:15 amIND Indianapolis-LHR London Heathrow

10h 55m1 stop New York John F Kennedy Intl

7:30 am - 8:59 pmLHR London Heathrow-IND Indianapolis

18h 29m2 stops Madrid Barajas Philadelphia

$870British Airways

Sun, Jan 10 - Tue, Feb 9

2:31 pm - 7:40 amIND Indianapolis-LHR London Heathrow

12h 09m1 stop Chicago O'Hare Intl

9:15 am - 9:10 pmLHR London Heathrow-IND Indianapolis

16h 55m2 stops Madrid Barajas Boston Logan Intl

$882Iberia

Wed, Sep 30 - Tue, Oct 6

8:57 pm - 12:15 pmIND Indianapolis-LHR London Heathrow

10h 18m1 stop Chicago O'Hare Intl

7:50 am - 9:10 pmLHR London Heathrow-IND Indianapolis

18h 20m2 stops Madrid Barajas Boston Logan Intl

$882Iberia

Wed, Oct 7 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

4:25 pm - 5:50 pmIND Indianapolis-LGW London Gatwick

20h 25m2 stops Chicago O'Hare Intl Zurich

6:35 pm - 4:33 pmLGW London Gatwick-IND Indianapolis

26h 58m2 stops Zurich Chicago O'Hare Intl

$948SWISS

Sun, Aug 23 - Tue, Sep 8

4:25 pm - 1:00 pmIND Indianapolis-LHR London Heathrow

15h 35m2 stops Chicago O'Hare Intl Zurich

6:00 am - 4:33 pmLHR London Heathrow-IND Indianapolis

15h 33m2 stops Zurich Chicago O'Hare Intl

$949SWISS

Sun, Aug 23 - Tue, Sep 8

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

14h 25m1 stop Toronto Pearson Intl

7:25 am - 8:41 pmLHR London Heathrow-IND Indianapolis

18h 16m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$995Lufthansa

Sun, Aug 23 - Tue, Sep 8

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

14h 25m1 stop Toronto Pearson Intl

7:25 am - 8:41 pmLHR London Heathrow-IND Indianapolis

18h 16m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$996Lufthansa

Sun, Aug 23 - Tue, Sep 8

7:50 pm - 1:55 pmIND Indianapolis-LHR London Heathrow

13h 05m1 stop Dublin

9:50 am - 6:20 pmLHR London Heathrow-IND Indianapolis

13h 30m1 stop Dublin

$1,010Aer Lingus

Mon, Aug 24 - Wed, Aug 26

4:34 pm - 1:15 pmIND Indianapolis-LHR London Heathrow

15h 41m1 stop Atlanta Hartsfield-Jackson

6:30 am - 7:01 pmLHR London Heathrow-IND Indianapolis

17h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,069Delta

Mon, Aug 24 - Sun, Aug 30

11:38 am - 8:30 amIND Indianapolis-LHR London Heathrow

15h 52m1 stop Chicago O'Hare Intl

6:50 am - 4:33 pmLHR London Heathrow-IND Indianapolis

14h 43m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$1,070United Airlines

Mon, Aug 24 - Sun, Aug 30

11:38 am - 6:30 amIND Indianapolis-LHR London Heathrow

13h 52m2 stops Chicago O'Hare Intl Ottawa

6:50 am - 7:02 pmLHR London Heathrow-IND Indianapolis

17h 12m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,070United Airlines

Mon, Aug 24 - Sun, Aug 30

4:34 pm - 1:15 pmIND Indianapolis-LHR London Heathrow

15h 41m1 stop Atlanta Hartsfield-Jackson

6:30 am - 7:01 pmLHR London Heathrow-IND Indianapolis

17h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,070Delta

Mon, Aug 24 - Sun, Aug 30

10:45 am - 8:35 amIND Indianapolis-LCY London City

16h 50m2 stops Chicago O'Hare Intl Dublin

1:45 pm - 6:20 pmLCY London City-IND Indianapolis

33h 35m1 stop Dublin

$10,527Aer Lingus

Tue, Aug 25 - Thu, Aug 27

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SWISS flights from Indianapolis to London

Our best SWISS deals on Indianapolis to London flight tickets

SWISS

Sep 28

IND5:02 pmIndianapolis

14h 58m

2 stops

LHR1:00 pmLondon Heathrow

Oct 6

LHR6:00 amLondon Heathrow

15h 34m

2 stops

IND4:34 pmIndianapolis

$829

SWISS

Sep 28

IND5:02 pmIndianapolis

14h 58m

2 stops

LHR1:00 pmLondon Heathrow

Oct 6

LHR6:00 amLondon Heathrow

15h 34m

2 stops

IND4:34 pmIndianapolis

$830

SWISS

Sep 28

IND5:02 pmIndianapolis

14h 58m

2 stops

LHR1:00 pmLondon Heathrow

Oct 6

LHR6:00 amLondon Heathrow

15h 34m

2 stops

IND4:34 pmIndianapolis

$831

Aer Lingus flights from Indianapolis to London

Our best Aer Lingus deals on Indianapolis to London flight tickets

Aer Lingus

Oct 14

IND7:50 pmIndianapolis

11h 50m

1 stop

LHR12:40 pmLondon Heathrow

Oct 21

LHR8:50 amLondon Heathrow

14h 30m

1 stop

IND6:20 pmIndianapolis

$850

Aer Lingus

Oct 10

IND7:50 pmIndianapolis

12h 40m

1 stop

LHR1:30 pmLondon Heathrow

Nov 4

LHR9:50 amLondon Heathrow

13h 40m

1 stop

IND6:30 pmIndianapolis

$913

Aer Lingus

Aug 24

IND7:50 pmIndianapolis

13h 05m

1 stop

LHR1:55 pmLondon Heathrow

Aug 26

LHR9:50 amLondon Heathrow

13h 30m

1 stop

IND6:20 pmIndianapolis

$1,010

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisLondon

IND Indianapolis - LGW London Gatwick

INDLGW

Indianapolis

Wed 9/16

11:21 am-10:00 am

1 stop17h 39m

London Gatwick

Sun 9/20

2:00 pm-6:53 pm

2 stops33h 53m

$818

IndianapolisLondon

IND Indianapolis - LGW London Gatwick

INDLGW

Indianapolis

Sun 9/20

10:26 am-10:00 am

1 stop18h 34m

London Gatwick

Sun 9/27

2:00 pm-6:53 pm

2 stops33h 53m

$821

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 10/14

7:50 pm-12:40 pm

1 stop11h 50m

London Heathrow

Wed 10/21

8:50 am-6:20 pm

1 stop14h 30m

$850

Quickest round-trip

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 11/4

8:35 pm-11:25 am

1 stop9h 50m

London Heathrow

Wed 11/11

12:10 pm-7:05 pm

1 stop11h 55m

$863

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 9/28

4:25 pm-8:35 am

1 stop11h 10m

London Heathrow

Tue 10/6

6:55 am-8:36 pm

2 stops18h 41m

$868

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 10/12

4:25 pm-9:35 am

1 stop12h 10m

London Heathrow

Tue 10/20

7:25 am-8:36 pm

2 stops18h 11m

$868

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 1/13

2:20 pm-6:15 am

1 stop10h 55m

London Heathrow

Wed 1/20

7:35 am-8:59 pm

2 stops18h 24m

$869

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 1/10

2:20 pm-6:15 am

1 stop10h 55m

London Heathrow

Tue 2/9

7:30 am-8:59 pm

2 stops18h 29m

$870

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 9/30

2:31 pm-7:40 am

1 stop12h 09m

London Heathrow

Tue 10/6

9:15 am-9:10 pm

2 stops16h 55m

$882

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 10/7

8:57 pm-12:15 pm

1 stop10h 18m

London Heathrow

Tue 10/13

7:50 am-9:10 pm

2 stops18h 20m

$882

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 $683 to $1,014.
The lowest price recently found on this route was $821.

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 $865 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 $744 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 24% 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 August 2026, prices for Indianapolis to London flights are approximately 46% 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	$263
Fastest flight time	9h 50m
Direct flights	None

The best one-way flight to London from Indianapolis in the past 72 hours is $263. The best round-trip flight deal from Indianapolis to London found on momondo in the last 72 hours is $818.

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 August 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 21% of the total bookings. Other popular airlines include United Airlines with 19%, Aer Lingus with 17%, and British Airways with 16%.

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 7.4 695 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 8,183 reviews	Search British Airways flights
Iberia	PriceFrom $540	Free Cancellation	Rating 7.0 3,258 reviews	Search Iberia flights
Delta	PriceFrom $555	Free Cancellation	Rating 7.8 8,520 reviews	Search Delta flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.1 11,989 reviews	Search American Airlines flights
United Airlines	PriceFrom $656	Free Cancellation	Rating 7.4 10,110 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $668	Free Cancellation	Rating 7.3 1,713 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $741	Free Cancellation	Rating 6.8 8,203 reviews	Search Lufthansa flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Wembley

Croydon

Dover

Stansted

Richmond

Kingston upon Thames

Harrow

Watford

Cobham

Slough

Uxbridge

Eastbourne

Worthing

Romford

Ilford

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 $263

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 10/24. 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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SWISS flights from Indianapolis to London

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Aer Lingus flights from Indianapolis to London

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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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