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Cheap flights from Indianapolis to London from $225

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 3/2. 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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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
6:07 pm - 6:00 amIND-LGW
30h 53m1 stop
Multiple Airlines Logo
2:00 pm - 11:24 amLGW-IND
26h 24m1 stop
$559Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
6:07 pm - 6:00 amIND-LGW
30h 53m1 stop
Multiple Airlines Logo
2:00 pm - 7:43 amLGW-IND
22h 43m2 stops
$571Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
9:03 am - 10:00 amIND-LGW
19h 57m1 stop
Multiple Airlines Logo
2:00 pm - 7:43 amLGW-IND
22h 43m2 stops
$575Multiple Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Virgin Atlantic Logo
11:34 am - 6:25 amIND-LHR
13h 51m1 stop
Virgin Atlantic Logo
11:05 am - 7:00 pmLHR-IND
12h 55m1 stop
$583Virgin Atlantic
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Mon, Dec 1 - Mon, Dec 8
United Airlines Logo
5:45 am - 7:10 amIND-LHR
20h 25m2 stops
United Airlines Logo
11:10 am - 9:59 pmLHR-IND
15h 49m2 stops
$617United Airlines
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Wed, Nov 19 - Tue, Nov 25
United Airlines Logo
4:30 pm - 7:10 amIND-LHR
33h 40m2 stops
United Airlines Logo
6:50 am - 7:01 pmLHR-IND
17h 11m2 stops
$618United Airlines
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Mon, Dec 1 - Mon, Dec 8
Iberia Logo
3:45 pm - 8:35 amIND-LHR
11h 50m1 stop
Iberia Logo
11:20 am - 6:30 pmLHR-IND
12h 10m1 stop
$672Iberia
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Sun, Feb 22 - Fri, Feb 27
Aer Lingus Logo
7:50 pm - 6:20 pmIND-LCY
17h 30m1 stop
Aer Lingus Logo
6:45 am - 6:20 pmLCY-IND
16h 35m1 stop
$994Aer Lingus
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Wed, Apr 15 - Fri, Apr 24
Aer Lingus Logo
7:50 pm - 12:45 pmIND-LCY
11h 55m1 stop
Aer Lingus Logo
6:45 am - 6:20 pmLCY-IND
16h 35m1 stop
$1,020Aer Lingus
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Wed, Apr 1 - Fri, Apr 10
British Airways Logo
4:03 pm - 4:25 pmIND-LCY
19h 22m2 stops
British Airways Logo
7:15 am - 8:59 pmLCY-IND
18h 44m2 stops
$1,186British Airways
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Tue, Dec 23 - Thu, Jan 8

KLM flights from Indianapolis to London

Our best KLM deals on Indianapolis to London flight tickets
KLM
Nov 9
IND5:17 pmIndianapolis
10h 43m
1 stop
LHR9:00 amLondon Heathrow
Nov 25
LHR11:45 amLondon Heathrow
17h 41m
2 stops
IND12:26 amIndianapolis
$580
Find similar
KLM
Dec 9
IND2:19 pmIndianapolis
12h 31m
1 stop
LHR7:50 amLondon Heathrow
Dec 18
LHR1:00 pmLondon Heathrow
13h 23m
1 stop
IND9:23 pmIndianapolis
$596
Find similar
KLM
Nov 9
IND7:57 pmIndianapolis
15h 08m
2 stops
LHR4:05 pmLondon Heathrow
Nov 25
LHR11:45 amLondon Heathrow
17h 41m
2 stops
IND12:26 amIndianapolis
$611
Find similar

Delta flights from Indianapolis to London

Our best Delta deals on Indianapolis to London flight tickets
Delta
Nov 12
IND6:09 pmIndianapolis
10h 11m
1 stop
LHR9:20 amLondon Heathrow
Nov 19
LHR6:20 amLondon Heathrow
16h 09m
2 stops
IND5:29 pmIndianapolis
$589
Find similar
Delta
Nov 12
IND12:52 pmIndianapolis
13h 13m
1 stop
LHR7:05 amLondon Heathrow
Nov 19
LHR6:20 amLondon Heathrow
16h 09m
2 stops
IND5:29 pmIndianapolis
$590
Find similar
Delta
Nov 19
IND6:00 amIndianapolis
20h 50m
1 stop
LHR7:50 amLondon Heathrow
Nov 26
LHR10:00 amLondon Heathrow
16h 21m
2 stops
IND9:21 pmIndianapolis
$591
Find similar

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 November 5, 2025.
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

Mon 12/1

6:07 pm-6:00 am

1 stop30h 53m

London Gatwick

Fri 12/5

2:00 pm-11:24 am

1 stop26h 24m

$559

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 12/1

6:07 pm-6:00 am

1 stop30h 53m

London Gatwick

Fri 12/5

2:00 pm-7:43 am

2 stops22h 43m

$571

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Fri 11/28

9:03 am-10:00 am

1 stop19h 57m

London Gatwick

Fri 12/5

2:00 pm-7:43 am

2 stops22h 43m

$575

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 12/1

11:34 am-6:25 am

1 stop13h 51m

London Heathrow

Mon 12/8

11:05 am-7:00 pm

1 stop12h 55m

$583

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 11/19

5:45 am-7:10 am

2 stops20h 25m

London Heathrow

Tue 11/25

11:10 am-9:59 pm

2 stops15h 49m

$617

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 12/1

4:30 pm-7:10 am

2 stops33h 40m

London Heathrow

Mon 12/8

6:50 am-7:01 pm

2 stops17h 11m

$618

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 2/22

3:45 pm-8:35 am

1 stop11h 50m

London Heathrow

Fri 2/27

11:20 am-6:30 pm

1 stop12h 10m

$672

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Wed 4/15

7:50 pm-6:20 pm

1 stop17h 30m

London City

Fri 4/24

6:45 am-6:20 pm

1 stop16h 35m

$994

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Wed 4/1

7:50 pm-12:45 pm

1 stop11h 55m

London City

Fri 4/10

6:45 am-6:20 pm

1 stop16h 35m

$1,020

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 12/23

4:03 pm-4:25 pm

2 stops19h 22m

London City

Thu 1/8

7:15 am-8:59 pm

2 stops18h 44m

$1,186

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 $703, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Indianapolis averaging around $747.

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 $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 $743 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 November 2025, prices for Indianapolis to London flights are approximately 2% 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

Direct flights

None
There are no direct flights from Indianapolis to London. There are no popular flight routes from Indianapolis to London.
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  • 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 00m.

  • 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
672 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,004 reviews
Search Delta flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,007 reviews
Search Iberia flights
Aer LingusPriceFrom $550Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
American AirlinesPriceFrom $622Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $680Free CancellationRating
7.4
9,004 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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

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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