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Cheap flights from Indianapolis to London from $248

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 3/1. 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
2:12 pm - 10:00 am
IND
-
LGW
14h 48m1 stop
Multiple Airlines Logo
2:00 pm - 9:43 am
LGW
-
IND
24h 43m1 stop
$506Multiple Airlines
Thu, Jan 22 - Fri, Jan 30
Multiple Airlines Logo
8:31 pm - 10:00 am
IND
-
LGW
32h 29m1 stop
Multiple Airlines Logo
2:00 pm - 9:43 am
LGW
-
IND
24h 43m1 stop
$518Multiple Airlines
Thu, Jan 22 - Fri, Jan 30
Multiple Airlines Logo
6:55 am - 11:25 am
IND
-
LHR
23h 30m2 stops
Multiple Airlines Logo
1:40 pm - 11:26 am
LHR
-
IND
26h 46m2 stops
$544Multiple Airlines
Thu, Jan 22 - Fri, Jan 30
Multiple Airlines Logo
2:12 pm - 10:00 am
IND
-
LGW
14h 48m1 stop
Multiple Airlines Logo
2:00 pm - 11:26 am
LGW
-
IND
26h 26m2 stops
$545Multiple Airlines
Thu, Jan 22 - Fri, Jan 30
Austrian Airlines Logo
12:07 pm - 8:25 am
IND
-
LHR
15h 18m1 stop
Austrian Airlines Logo
6:00 am - 6:57 pm
LHR
-
IND
17h 57m2 stops
$565Austrian Airlines
Wed, Feb 25 - Wed, Mar 4
Lufthansa Logo
2:00 pm - 7:55 am
IND
-
LHR
12h 55m1 stop
Lufthansa Logo
6:35 am - 5:52 pm
LHR
-
IND
16h 17m2 stops
$597Lufthansa
Thu, Jan 15 - Thu, Jan 22
Lufthansa Logo
2:34 pm - 12:50 pm
IND
-
LHR
17h 16m2 stops
Lufthansa Logo
12:50 pm - 8:27 pm
LHR
-
IND
12h 37m1 stop
$598Lufthansa
Fri, Jan 23 - Sun, Jan 25
Austrian Airlines Logo
12:23 pm - 8:25 am
IND
-
LHR
15h 02m1 stop
Austrian Airlines Logo
12:05 pm - 7:02 pm
LHR
-
IND
11h 57m1 stop
$603Austrian Airlines
Thu, Jan 22 - Fri, Jan 30
SWISS Logo
6:12 pm - 12:55 pm
IND
-
LCY
14h 43m2 stops
SWISS Logo
9:20 am - 9:59 pm
LCY
-
IND
16h 39m2 stops
$663SWISS
Mon, Mar 16 - Wed, Mar 25
SWISS Logo
6:12 pm - 5:05 pm
IND
-
LCY
18h 53m2 stops
SWISS Logo
9:15 am - 9:59 pm
LCY
-
IND
16h 44m2 stops
$738SWISS
Tue, Mar 17 - Tue, Mar 24

Lufthansa flights from Indianapolis to London

Our best Lufthansa deals on Indianapolis to London flight tickets
Lufthansa
Jan 15
IND2:00 pmIndianapolis
12h 55m
1 stop
LHR7:55 amLondon Heathrow
Jan 22
LHR6:35 amLondon Heathrow
16h 17m
2 stops
IND5:52 pmIndianapolis
$597
Find similar
Lufthansa
Jan 23
IND2:34 pmIndianapolis
17h 16m
2 stops
LHR12:50 pmLondon Heathrow
Jan 25
LHR12:50 pmLondon Heathrow
12h 37m
1 stop
IND8:27 pmIndianapolis
$598
Find similar
Lufthansa
Jan 14
IND5:50 pmIndianapolis
17h 00m
2 stops
LHR3:50 pmLondon Heathrow
Jan 21
LHR6:35 amLondon Heathrow
16h 17m
2 stops
IND5:52 pmIndianapolis
$605
Find similar

Aer Lingus flights from Indianapolis to London

Our best Aer Lingus deals on Indianapolis to London flight tickets
Aer Lingus
Feb 18
IND8:00 pmIndianapolis
13h 25m
1 stop
LHR2:25 pmLondon Heathrow
Feb 23
LHR9:50 amLondon Heathrow
13h 40m
1 stop
IND6:30 pmIndianapolis
$610
Find similar
Aer Lingus
Feb 18
IND8:00 pmIndianapolis
10h 25m
1 stop
LHR11:25 amLondon Heathrow
Feb 25
LHR9:50 amLondon Heathrow
13h 40m
1 stop
IND6:30 pmIndianapolis
$617
Find similar
Aer Lingus
Mar 18
IND9:00 pmIndianapolis
11h 40m
1 stop
LCY12:40 pmLondon City
Mar 25
LCY6:50 amLondon City
16h 40m
1 stop
IND7:30 pmIndianapolis
$990
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 December 18, 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

Thu 1/22

2:12 pm-10:00 am

1 stop14h 48m

London Gatwick

Fri 1/30

2:00 pm-9:43 am

1 stop24h 43m

$506

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Thu 1/22

8:31 pm-10:00 am

1 stop32h 29m

London Gatwick

Fri 1/30

2:00 pm-9:43 am

1 stop24h 43m

$518

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 1/22

6:55 am-11:25 am

2 stops23h 30m

London Heathrow

Fri 1/30

1:40 pm-11:26 am

2 stops26h 46m

$544

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Thu 1/22

2:12 pm-10:00 am

1 stop14h 48m

London Gatwick

Fri 1/30

2:00 pm-11:26 am

2 stops26h 26m

$545

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 2/25

12:07 pm-8:25 am

1 stop15h 18m

London Heathrow

Wed 3/4

6:00 am-6:57 pm

2 stops17h 57m

$565

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 1/15

2:00 pm-7:55 am

1 stop12h 55m

London Heathrow

Thu 1/22

6:35 am-5:52 pm

2 stops16h 17m

$597

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 1/23

2:34 pm-12:50 pm

2 stops17h 16m

London Heathrow

Sun 1/25

12:50 pm-8:27 pm

1 stop12h 37m

$598

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 1/22

12:23 pm-8:25 am

1 stop15h 02m

London Heathrow

Fri 1/30

12:05 pm-7:02 pm

1 stop11h 57m

$603

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Mon 3/16

6:12 pm-12:55 pm

2 stops14h 43m

London City

Wed 3/25

9:20 am-9:59 pm

2 stops16h 39m

$663

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 3/17

6:12 pm-5:05 pm

2 stops18h 53m

London City

Tue 3/24

9:15 am-9:59 pm

2 stops16h 44m

$738

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 August is another great option to travel to London, with average flight prices from Indianapolis averaging around $740.

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 $857 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 $700 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 December 2025, prices for Indianapolis to London flights are approximately 14% more expensive 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

9h 56m

Direct flights

None
The fastest flight from Indianapolis to London takes 9h 56m
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 9h 56m.

  • 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
675 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,008 reviews
Search Delta flights
IberiaPriceFrom $540Free CancellationRating
7.0
3,054 reviews
Search Iberia flights
Aer LingusPriceFrom $550Free CancellationRating
7.2
1,399 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $554Free CancellationRating
6.7
7,586 reviews
Search British Airways flights
American AirlinesPriceFrom $623Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $633Free CancellationRating
7.4
9,095 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
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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