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Cheap flights from Indianapolis to London from $224

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 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Multiple Airlines Logo
7:50 pm - 5:50 pm
IND
-
LGW
17h 00m
1 stop
Multiple Airlines Logo
8:50 am - 6:20 pm
LGW
-
IND
14h 30m
1 stop
$544Multiple Airlines
Wed, Apr 29 - Wed, May 13
Multiple Airlines Logo
7:50 pm - 5:35 pm
IND
-
STN
16h 45m
1 stop
Multiple Airlines Logo
6:30 am - 6:20 pm
STN
-
IND
16h 50m
1 stop
$546Multiple Airlines
Wed, Apr 29 - Wed, May 13
British Airways Logo
6:18 pm - 10:25 am
IND
-
LHR
11h 07m
1 stop
British Airways Logo
7:50 am - 6:30 pm
LHR
-
IND
15h 40m
1 stop
$553British Airways
Wed, Jan 28 - Wed, Feb 18
British Airways Logo
12:20 pm - 7:00 am
IND
-
LHR
13h 40m
1 stop
British Airways Logo
8:50 am - 6:30 pm
LHR
-
IND
14h 40m
1 stop
$554British Airways
Wed, Feb 18 - Wed, Feb 25
British Airways Logo
12:20 pm - 7:00 am
IND
-
LHR
13h 40m
1 stop
British Airways Logo
7:50 am - 6:30 pm
LHR
-
IND
15h 40m
1 stop
$559British Airways
Wed, Feb 18 - Wed, Feb 25
British Airways Logo
3:49 pm - 6:35 am
IND
-
LHR
9h 46m
1 stop
British Airways Logo
8:50 am - 6:30 pm
LHR
-
IND
14h 40m
1 stop
$560British Airways
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
2:12 pm - 10:00 am
IND
-
LGW
14h 48m
1 stop
Multiple Airlines Logo
2:00 pm - 1:15 pm
LGW
-
IND
28h 15m
1 stop
$584Multiple Airlines
Mon, Jan 26 - Thu, Jan 29
SWISS Logo
2:00 pm - 12:55 pm
IND
-
LCY
17h 55m
2 stops
SWISS Logo
9:15 am - 8:03 pm
LCY
-
IND
15h 48m
2 stops
$665SWISS
Wed, Feb 4 - Tue, Feb 17
SWISS Logo
6:12 pm - 12:55 pm
IND
-
LCY
14h 43m
2 stops
SWISS Logo
9:15 am - 8:02 pm
LCY
-
IND
15h 47m
2 stops
$723SWISS
Tue, Mar 17 - Tue, Apr 14
SWISS Logo
6:12 pm - 12:55 pm
IND
-
LCY
14h 43m
2 stops
SWISS Logo
9:15 am - 8:02 pm
LCY
-
IND
15h 47m
2 stops
$775SWISS
Mon, Mar 16 - Mon, Mar 30

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets
United Airlines
Feb 4
IND2:34 pmIndianapolis
15h 16m
1 stop
LHR10:50 amLondon Heathrow
Feb 17
LHR1:25 pmLondon Heathrow
30h 33m
2 stops
IND2:58 pmIndianapolis
$589
United Airlines
Mar 4
IND10:00 amIndianapolis
15h 40m
1 stop
LHR6:40 amLondon Heathrow
Mar 18
LHR9:00 amLondon Heathrow
16h 59m
2 stops
IND9:59 pmIndianapolis
$591
United Airlines
Feb 4
IND11:40 amIndianapolis
13h 40m
2 stops
LHR6:20 amLondon Heathrow
Feb 11
LHR6:50 amLondon Heathrow
14h 47m
2 stops
IND4:37 pmIndianapolis
$603

British Airways flights from Indianapolis to London

Our best British Airways deals on Indianapolis to London flight tickets
British Airways
Jan 28
IND6:18 pmIndianapolis
11h 07m
1 stop
LHR10:25 amLondon Heathrow
Feb 18
LHR7:50 amLondon Heathrow
15h 40m
1 stop
IND6:30 pmIndianapolis
$553
British Airways
Feb 18
IND12:20 pmIndianapolis
13h 40m
1 stop
LHR7:00 amLondon Heathrow
Feb 25
LHR8:50 amLondon Heathrow
14h 40m
1 stop
IND6:30 pmIndianapolis
$554
British Airways
Feb 18
IND12:20 pmIndianapolis
13h 40m
1 stop
LHR7:00 amLondon Heathrow
Feb 25
LHR7:50 amLondon Heathrow
15h 40m
1 stop
IND6:30 pmIndianapolis
$559

momondo Fare Finder

 
Customize your flight search to find flights from Indianapolis to London 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 January 15, 2026.
Use the filters below to find and compare flights from Indianapolis to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 4/29

7:50 pm-5:50 pm

1 stop17h 00m

London Gatwick

Wed 5/13

8:50 am-6:20 pm

1 stop14h 30m

$544

IndianapolisLondon

IND - STN

INDSTN

Indianapolis

Wed 4/29

7:50 pm-5:35 pm

1 stop16h 45m

London Stansted

Wed 5/13

6:30 am-6:20 pm

1 stop16h 50m

$546

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 1/28

6:18 pm-10:25 am

1 stop11h 07m

London Heathrow

Wed 2/18

7:50 am-6:30 pm

1 stop15h 40m

$553

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 2/18

12:20 pm-7:00 am

1 stop13h 40m

London Heathrow

Wed 2/25

8:50 am-6:30 pm

1 stop14h 40m

$554

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 2/18

12:20 pm-7:00 am

1 stop13h 40m

London Heathrow

Wed 2/25

7:50 am-6:30 pm

1 stop15h 40m

$559

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 2/11

3:49 pm-6:35 am

1 stop9h 46m

London Heathrow

Wed 2/18

8:50 am-6:30 pm

1 stop14h 40m

$560

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 1/26

2:12 pm-10:00 am

1 stop14h 48m

London Gatwick

Thu 1/29

2:00 pm-1:15 pm

1 stop28h 15m

$584

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Wed 2/4

2:00 pm-12:55 pm

2 stops17h 55m

London City

Tue 2/17

9:15 am-8:03 pm

2 stops15h 48m

$665

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 3/17

6:12 pm-12:55 pm

2 stops14h 43m

London City

Tue 4/14

9:15 am-8:02 pm

2 stops15h 47m

$723

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Mon 3/16

6:12 pm-12:55 pm

2 stops14h 43m

London City

Mon 3/30

9:15 am-8:02 pm

2 stops15h 47m

$775

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

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 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 October. Flight prices, which tend to average around $692, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Indianapolis averaging around $732.

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

The cheapest day to depart from Indianapolis to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $938. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,010. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Indianapolis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,018. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $836 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 $676 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 43% 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 January 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

Fastest flight time

10h 07m

Direct flights

None
The fastest flight from Indianapolis to London takes 10h 07m
There are no direct flights from Indianapolis to London. There are no popular flight routes from Indianapolis to London.
Search flight deals

  • 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 07m.

  • 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?

  • 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?

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 AtlanticPriceFrom $531Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,051 reviews
Search Delta flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,087 reviews
Search Iberia flights
British AirwaysPriceFrom $554Free CancellationRating
6.7
7,680 reviews
Search British Airways flights
Aer LingusPriceFrom $601Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
United AirlinesPriceFrom $633Free CancellationRating
7.4
9,164 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
Luton
Milton Keynes
Dover
Slough
Guildford
Crawley
Dartford
Hayes
Wembley
Brentwood
Watford
Cobham
Folkestone
Romford
Harrow
Croydon
Richmond
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.

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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport