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

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

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 offers the lowest fares from Indianapolis to London?

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

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

Dublin (DUB) was the most common stop: 44% of momondo users choosing 1-stop flights on this route connected there.

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

Dublin (DUB) has the shortest average layover time for this route: 1h 20m.

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 July 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.

$259 Cheap Flights from Indianapolis to London in 2026

Q: 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 $817 to $1,192. The lowest price recently found on this route was $830.

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Find the cheapest flights from Indianapolis to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:53 am - 10:00 am

IND

LGW

18h 07m

1 stop

2:00 pm - 6:53 pm

LGW

IND

33h 53m

1 stop

$830Multiple Airlines

Wed, Aug 5 - Wed, Aug 12

7:50 pm - 2:10 pm

IND

STN

13h 20m

1 stop

6:30 am - 6:20 pm

STN

IND

16h 50m

1 stop

$831Multiple Airlines

Mon, Aug 3 - Mon, Aug 10

7:47 pm - 10:00 am

IND

LGW

33h 13m

1 stop

2:00 pm - 6:15 pm

LGW

IND

33h 15m

1 stop

$831Multiple Airlines

Sat, Aug 1 - Mon, Aug 10

7:50 pm - 5:55 pm

IND

LGW

17h 05m

1 stop

8:40 am - 6:20 pm

LGW

IND

14h 40m

1 stop

$832Multiple Airlines

Mon, Aug 3 - Mon, Aug 10

7:50 pm - 5:20 pm

IND

LHR

16h 30m

1 stop

7:40 am - 6:20 pm

LHR

IND

15h 40m

1 stop

$843Aer Lingus

Mon, Aug 17 - Mon, Aug 31

5:02 pm - 1:00 pm

IND

LHR

14h 58m

2 stops

6:00 am - 4:34 pm

LHR

IND

15h 34m

2 stops

$844SWISS

Mon, Sep 28 - Tue, Oct 6

5:02 pm - 1:00 pm

IND

LHR

14h 58m

2 stops

6:00 am - 4:34 pm

LHR

IND

15h 34m

2 stops

$845SWISS

Mon, Sep 28 - Tue, Oct 6

7:50 pm - 1:55 pm

IND

LHR

13h 05m

1 stop

9:50 am - 6:20 pm

LHR

IND

13h 30m

1 stop

$849Aer Lingus

Mon, Oct 5 - Thu, Oct 15

4:25 pm - 9:35 am

IND

LHR

12h 10m

1 stop

7:25 am - 8:36 pm

LHR

IND

18h 11m

2 stops

$863Lufthansa

Mon, Oct 5 - Thu, Oct 15

4:25 pm - 8:35 am

IND

LHR

11h 10m

1 stop

6:55 am - 8:36 pm

LHR

IND

18h 41m

2 stops

$865Lufthansa

Mon, Sep 28 - Tue, Oct 6

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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

$844

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

$845

SWISS

Sep 30

IND5:02 pmIndianapolis

19h 48m

2 stops

LGW5:50 pmLondon Gatwick

Oct 5

LGW6:35 pmLondon Gatwick

26h 59m

2 stops

IND4:34 pmIndianapolis

$871

Lufthansa flights from Indianapolis to London

Our best Lufthansa deals on Indianapolis to London flight tickets

Lufthansa

Oct 5

IND4:25 pmIndianapolis

12h 10m

1 stop

LHR9:35 amLondon Heathrow

Oct 15

LHR7:25 amLondon Heathrow

18h 11m

2 stops

IND8:36 pmIndianapolis

$863

Lufthansa

Sep 28

IND4:25 pmIndianapolis

11h 10m

1 stop

LHR8:35 amLondon Heathrow

Oct 6

LHR6:55 amLondon Heathrow

18h 41m

2 stops

IND8:36 pmIndianapolis

$865

Lufthansa

Sep 28

IND4:25 pmIndianapolis

11h 10m

1 stop

LHR8:35 amLondon Heathrow

Oct 6

LHR6:55 amLondon Heathrow

18h 41m

2 stops

IND8:36 pmIndianapolis

$866

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 8/5

10:53 am-10:00 am

1 stop18h 07m

London Gatwick

Wed 8/12

2:00 pm-6:53 pm

1 stop33h 53m

$830

IndianapolisLondon

IND - STN

INDSTN

Indianapolis

Mon 8/3

7:50 pm-2:10 pm

1 stop13h 20m

London Stansted

Mon 8/10

6:30 am-6:20 pm

1 stop16h 50m

$831

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Sat 8/1

7:47 pm-10:00 am

1 stop33h 13m

London Gatwick

Mon 8/10

2:00 pm-6:15 pm

1 stop33h 15m

$831

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 8/3

7:50 pm-5:55 pm

1 stop17h 05m

London Gatwick

Mon 8/10

8:40 am-6:20 pm

1 stop14h 40m

$832

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 8/17

7:50 pm-5:20 pm

1 stop16h 30m

London Heathrow

Mon 8/31

7:40 am-6:20 pm

1 stop15h 40m

$843

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 9/28

5:02 pm-1:00 pm

2 stops14h 58m

London Heathrow

Tue 10/6

6:00 am-4:34 pm

2 stops15h 34m

$844

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 9/28

5:02 pm-1:00 pm

2 stops14h 58m

London Heathrow

Tue 10/6

6:00 am-4:34 pm

2 stops15h 34m

$845

Quickest round-trip

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 10/5

7:50 pm-1:55 pm

1 stop13h 05m

London Heathrow

Thu 10/15

9:50 am-6:20 pm

1 stop13h 30m

$849

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 10/5

4:25 pm-9:35 am

1 stop12h 10m

London Heathrow

Thu 10/15

7:25 am-8:36 pm

2 stops18h 11m

$863

IndianapolisLondon

IND - LHR

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

$865

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?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Indianapolis is in March. Flight prices, which tend to average around $87, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Indianapolis averaging around $95.

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 $843 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 $732 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 52% 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 July 2026, prices for Indianapolis to London flights are approximately 53% 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

Fastest flight time	10h 45m
Direct flights	None

The fastest flight from Indianapolis to London takes 10h 45m

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

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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 10h 45m.
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 July 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 British Airways with 18%, United Airlines with 17%, and Aer Lingus 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 7.5 691 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 8,097 reviews	Search British Airways flights
Iberia	PriceFrom $526	Free Cancellation	Rating 7.0 3,247 reviews	Search Iberia flights
Delta	PriceFrom $555	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
American Airlines	PriceFrom $598	Free Cancellation	Rating 7.1 11,782 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $614	Free Cancellation	Rating 7.3 1,647 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $631	Free Cancellation	Rating 7.4 9,940 reviews	Search United Airlines flights
Lufthansa	PriceFrom $741	Free Cancellation	Rating 6.8 8,117 reviews	Search Lufthansa flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Harrow

Slough

Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

Romford

Uxbridge

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 $259

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 7/23. 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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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

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Direct flights

Frequently asked questions about flying from Indianapolis to London

Best airlines flying from Indianapolis to London

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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.

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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

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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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