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Cheap flights from Indianapolis to London from $181

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 1/28. 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.
British Airways Logo
5:22 pm - 9:05 am
IND
-
LHR
10h 43m
1 stop
British Airways Logo
9:10 pm - 6:20 pm
LHR
-
IND
26h 10m
1 stop
$592British Airways
Wed, Apr 22 - Tue, May 5
British Airways Logo
5:22 pm - 3:50 pm
IND
-
LGW
17h 28m
2 stops
British Airways Logo
9:05 pm - 6:57 pm
LGW
-
IND
26h 52m
2 stops
$596British Airways
Tue, Apr 7 - Mon, Apr 13
Air Canada Logo
12:45 pm - 7:10 am
IND
-
LHR
14h 25m
2 stops
Air Canada Logo
11:10 am - 5:01 pm
LHR
-
IND
33h 51m
2 stops
$597Air Canada
Tue, Mar 17 - Wed, Mar 25
British Airways Logo
12:20 pm - 7:00 am
IND
-
LHR
14h 40m
1 stop
British Airways Logo
9:35 am - 6:44 pm
LHR
-
IND
13h 09m
1 stop
$599British Airways
Wed, Mar 11 - Tue, Mar 24
United Airlines Logo
12:47 pm - 8:35 am
IND
-
LHR
14h 48m
2 stops
United Airlines Logo
12:40 pm - 9:40 pm
LHR
-
IND
38h 00m
2 stops
$601United Airlines
Wed, Apr 22 - Tue, May 5
Iberia Logo
1:08 pm - 8:25 am
IND
-
LHR
14h 17m
2 stops
Iberia Logo
7:40 pm - 7:40 pm
LHR
-
IND
29h 00m
2 stops
$604Iberia
Mon, Feb 2 - Mon, Feb 9
United Airlines Logo
12:45 pm - 7:10 am
IND
-
LHR
14h 25m
2 stops
United Airlines Logo
6:50 am - 5:01 pm
LHR
-
IND
14h 11m
2 stops
$607United Airlines
Wed, Mar 11 - Tue, Mar 17
Delta Logo
3:25 pm - 8:10 am
IND
-
LCY
12h 45m
2 stops
Delta Logo
7:45 am - 9:15 pm
LCY
-
IND
17h 30m
2 stops
$665Delta
Tue, Mar 17 - Wed, Mar 25
Lufthansa Logo
12:04 pm - 5:35 pm
IND
-
LCY
25h 31m
2 stops
Lufthansa Logo
9:50 am - 6:50 pm
LCY
-
IND
37h 00m
2 stops
$690Lufthansa
Tue, Mar 17 - Mon, Mar 23
Lufthansa Logo
2:34 pm - 9:15 am
IND
-
LCY
13h 41m
2 stops
Lufthansa Logo
9:50 am - 8:27 pm
LCY
-
IND
15h 37m
2 stops
$735Lufthansa
Mon, Feb 2 - Mon, Feb 9

Iberia flights from Indianapolis to London

Our best Iberia deals on Indianapolis to London flight tickets
Iberia
Feb 2
IND1:08 pmIndianapolis
14h 17m
2 stops
LHR8:25 amLondon Heathrow
Feb 9
LHR7:40 pmLondon Heathrow
29h 00m
2 stops
IND7:40 pmIndianapolis
$604
Iberia
Jan 28
IND12:20 pmIndianapolis
15h 55m
2 stops
LHR9:15 amLondon Heathrow
Feb 18
LHR1:30 pmLondon Heathrow
14h 51m
1 stop
IND11:21 pmIndianapolis
$621
Iberia
Jan 28
IND1:08 pmIndianapolis
15h 07m
2 stops
LHR9:15 amLondon Heathrow
Feb 18
LHR1:30 pmLondon Heathrow
14h 51m
1 stop
IND11:21 pmIndianapolis
$622

United Airlines flights from Indianapolis to London

Our best United Airlines deals on Indianapolis to London flight tickets
United Airlines
Apr 22
IND2:40 pmIndianapolis
11h 15m
1 stop
LHR6:55 amLondon Heathrow
May 5
LHR12:40 pmLondon Heathrow
38h 00m
2 stops
IND9:40 pmIndianapolis
$601
United Airlines
Mar 11
IND12:45 pmIndianapolis
14h 25m
2 stops
LHR7:10 amLondon Heathrow
Mar 17
LHR6:50 amLondon Heathrow
14h 11m
2 stops
IND5:01 pmIndianapolis
$607
United Airlines
Mar 11
IND6:00 amIndianapolis
11h 20m
1 stop
LHR9:20 pmLondon Heathrow
Mar 23
LHR1:25 pmLondon Heathrow
38h 01m
2 stops
IND11:26 pmIndianapolis
$613

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 21, 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 - LHR

INDLHR

Indianapolis

Wed 4/22

5:22 pm-9:05 am

1 stop10h 43m

London Heathrow

Tue 5/5

9:10 pm-6:20 pm

1 stop26h 10m

$592

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Tue 4/7

5:22 pm-3:50 pm

2 stops17h 28m

London Gatwick

Mon 4/13

9:05 pm-6:57 pm

2 stops26h 52m

$596

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 3/17

12:45 pm-7:10 am

2 stops14h 25m

London Heathrow

Wed 3/25

11:10 am-5:01 pm

2 stops33h 51m

$597

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 3/11

12:20 pm-7:00 am

1 stop14h 40m

London Heathrow

Tue 3/24

9:35 am-6:44 pm

1 stop13h 09m

$599

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 4/22

12:47 pm-8:35 am

2 stops14h 48m

London Heathrow

Tue 5/5

12:40 pm-9:40 pm

2 stops38h 00m

$601

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 2/2

1:08 pm-8:25 am

2 stops14h 17m

London Heathrow

Mon 2/9

7:40 pm-7:40 pm

2 stops29h 00m

$604

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 3/11

12:45 pm-7:10 am

2 stops14h 25m

London Heathrow

Tue 3/17

6:50 am-5:01 pm

2 stops14h 11m

$607

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 3/17

3:25 pm-8:10 am

2 stops12h 45m

London City

Wed 3/25

7:45 am-9:15 pm

2 stops17h 30m

$665

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 3/17

12:04 pm-5:35 pm

2 stops25h 31m

London City

Mon 3/23

9:50 am-6:50 pm

2 stops37h 00m

$690

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Mon 2/2

2:34 pm-9:15 am

2 stops13h 41m

London City

Mon 2/9

9:50 am-8:27 pm

2 stops15h 37m

$735

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 $690, 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 $692 on momondo.

Can stopping save me money on Indianapolis to London flights?

You could potentially save up to 39% 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 20m

Direct flights

None
The fastest flight from Indianapolis to London takes 10h 20m
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 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?

  • 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
British AirwaysPriceFrom $529Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $531Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,089 reviews
Search Delta flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,094 reviews
Search Iberia flights
Aer LingusPriceFrom $601Free CancellationRating
7.2
1,439 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
United AirlinesPriceFrom $633Free CancellationRating
7.4
9,191 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
Wembley
Crawley
Dartford
Hayes
Brentwood
Watford
Cobham
Folkestone
Romford
Stansted
Harrow
Croydon
Richmond

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