How long is the flight from Indiana to London Heathrow Airport?

United Airlines, KLM, and Delta can get you from Indiana to London Heathrow Airport in just under 15h 10m. Your travel time can differ by up to 15h 55m. Airlines will cover a distance of 3880 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Indiana to London Heathrow Airport?

While some choose either Chicago Midway - London Heathrow or Cincinnati Cinci./N. Kentucky - London Heathrow, Chicago O'Hare Intl - London Heathrow is the most popular route from Indiana to London Heathrow Airport.

What is the cheapest time of day to fly from IN to LHR?

When flying from Indiana to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Indiana to Heathrow that include hotel bookings?

Yes. In addition to deals on Indiana to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Indiana to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indiana to Heathrow.

Can I find deals for business class flights from Indiana to Heathrow?

Yes. Cheapflights offers flight deals from Indiana to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£266+ Cheap Flights from Indiana to London Heathrow Airport

Cheap flight deals from Indiana to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Indiana to Heathrow
Explore the most affordable flight options available from Indiana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Mon 30/1120:35 -

1 stop18h 15m

Wed 16/1207:50 -

1 stop16h 15m

Deal found 14/10£612

Mon 7/1220:35 -

1 stop11h 50m

Fri 11/1212:10 -

1 stop12h 00m

Deal found 15/10£633

Fri 27/1110:56 -

3 stops24h 04m

Fri 4/1206:40 -

3 stops32h 29m

Deal found 12/10£643

Wed 11/1120:35 -

1 stop12h 50m

Wed 18/1108:50 -

1 stop15h 15m

Deal found 11/10£648

Mon 23/1120:35 -

1 stop19h 30m

Wed 9/1207:50 -

1 stop16h 15m

Deal found 14/10£654

Tue 10/1111:29 -

1 stop15h 26m

Tue 17/1109:00 -

2 stops16h 28m

Deal found 11/10£669

Tue 17/1111:29 -

1 stop15h 26m

Wed 25/1106:50 -

2 stops18h 38m

Deal found 13/10£670

Mon 9/1120:35 -

1 stop11h 50m

Wed 25/1108:50 -

1 stop15h 15m

Deal found 11/10£671

Wed 11/1120:35 -

1 stop9h 50m

Wed 25/1109:50 -

1 stop14h 15m

Deal found 13/10£671

Wed 11/1120:35 -

1 stop15h 15m

Wed 18/1106:40 -

3 stops32h 50m

Deal found 13/10£675

Wed 11/1115:11 -

2 stops14h 34m

Wed 18/1107:40 -

2 stops19h 34m

Deal found 14/10£679

Wed 18/1113:08 -

1 stop13h 47m

Tue 24/1111:05 -

2 stops33h 56m

Deal found 14/10£680

Best flights from Indiana to Heathrow
Discover carefully curated flight deals from Indiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Wed 3/211:40 -

1 stop15h 10m

Wed 24/211:45 -

2 stops14h 16m

Deal found 12/10£668

Sun 21/314:30 -

1 stop13h 15m

Tue 30/309:55 -

2 stops15h 55m

Deal found 15/10£669

Wed 25/1108:38 -

1 stop16h 17m

Wed 2/1211:05 -

2 stops33h 56m

Deal found 11/10£680

Mon 9/1118:26 -

1 stop12h 14m

Wed 25/1113:05 -

1 stop12h 30m

Deal found 11/10£711

Fri 27/1105:45 -

2 stops20h 25m

Fri 4/1209:00 -

2 stops37h 24m

Deal found 12/10£733

Mon 7/1214:06 -

2 stops22h 34m

Fri 11/1206:40 -

2 stops18h 50m

Deal found 15/10£736

Mon 11/110:25 -

2 stops16h 40m

Thu 14/111:45 -

2 stops16h 14m

Deal found 10/10£677

Wed 18/1111:27 -

2 stops13h 53m

Tue 24/1111:05 -

2 stops33h 56m

Deal found 11/10£683

Sun 14/311:40 -

1 stop17h 20m

Sun 21/316:00 -

1 stop22h 57m

Deal found 10/10£730

Thu 3/1206:45 -

2 stops29h 55m

Mon 7/1206:40 -

2 stops23h 12m

Deal found 10/10£743

Wed 11/1116:30 -

1 stop10h 25m

Wed 18/1109:00 -

2 stops16h 46m

Deal found 11/10£688

Sun 29/1110:23 -

1 stop15h 02m

Sat 12/1208:55 -

2 stops16h 35m

Deal found 12/10£732

Sun 14/216:45 -

1 stop10h 10m

Fri 19/207:40 -

1 stop12h 11m

Deal found 10/10£688

Tue 10/1107:00 -

3 stops29h 40m

Tue 17/1106:40 -

3 stops18h 55m

Deal found 10/10£778

Tue 8/1218:00 -

1 stop10h 55m

Sat 19/1217:20 -

1 stop22h 57m

Deal found 13/10£754

Sun 28/315:17 -

1 stop10h 28m

Wed 31/311:05 -

1 stop13h 43m

Deal found 15/10£689

Fri 27/1111:29 -

1 stop13h 26m

Fri 4/1209:00 -

2 stops19h 39m

Deal found 13/10£707

Thu 26/1105:25 -

1 stop19h 30m

Thu 3/1209:00 -

2 stops16h 13m

Deal found 12/10£707

Thu 26/1107:38 -

2 stops20h 42m

Thu 3/1209:00 -

2 stops17h 51m

Deal found 12/10£707

Sun 14/305:25 -

1 stop20h 30m

Sun 21/313:00 -

2 stops32h 55m

Deal found 10/10£711

Fri 2/413:07 -

1 stop12h 38m

Mon 12/417:50 -

2 stops27h 21m

Deal found 10/10£714

Sun 29/1116:48 -

1 stop32h 07m

Sun 6/1211:05 -

2 stops34h 53m

Deal found 15/10£721

Sat 7/1116:30 -

2 stops33h 40m

Wed 25/1109:00 -

2 stops16h 46m

Deal found 11/10£728

Sun 29/1116:39 -

1 stop32h 16m

Sun 6/1211:10 -

2 stops15h 41m

Deal found 15/10£745

Sat 28/1107:09 -

1 stop19h 46m

Sat 5/1209:00 -

2 stops16h 47m

Deal found 14/10£764

Mon 7/1219:40 -

2 stops15h 10m

Wed 9/1213:00 -

2 stops29h 13m

Deal found 10/10£768

Fri 20/1107:30 -

2 stops22h 50m

Fri 27/1112:00 -

2 stops15h 14m

Deal found 11/10£833

Find flight deals from Indiana to Heathrow

Round-trip from	£571
One-way from	£266
Popular in	June
Cheapest in	March
Average price	£676

United Airlines
18/1-21/1
3 total stops
49h 12m total
Indiana to London

Search Deals

Aer Lingus
11/11-31/12
1 total stop
19h 30m total
Indiana to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£108 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Indiana to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 23/11

20:35-13:25

1 stop11h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£323

South BendLondon

SBN South Bend/Michiana - LHR London Heathrow

SBNLHR

South Bend/Michiana

Mon 2/11

14:27-11:35

1 stop16h 08m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£353

Fort WayneLondon

FWA Fort Wayne - LHR London Heathrow

FWALHR

Fort Wayne

Fri 13/11

11:36-06:55

1 stop14h 19m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£386

Fort WayneLondon

FWA Fort Wayne - LHR London Heathrow

FWALHR

Fort Wayne

Fri 13/11

14:20-10:25

2 stops15h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£388

Fort WayneLondon

FWA Fort Wayne - LHR London Heathrow

FWALHR

Fort Wayne

Fri 13/11

21:53-17:30

3 stops38h 37m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£388

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 4/1

20:35-16:05

2 stops14h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£403

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 29/11

12:50-07:05

1 stop13h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£422

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 4/1

12:00-07:15

2 stops14h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£422

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Mon 23/11

09:10-07:10

3 stops17h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£431

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 3/1

07:00-06:40

2 stops18h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£443

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 39 resultsSorted by cheapest first

Best time to book a flight from Indiana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Indiana with our price prediction graph.

FWA-LHR

SBN-LHR

IND-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Indiana to London Heathrow Airport

USIN-LHR

FWA-LHR

SBN-LHR

IND-LHR

What is the cheapest month to book a flight from Indiana to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Indiana to London Heathrow Airport (average of £522). Flying from Indiana to London Heathrow Airport in June is currently the most expensive (average of £985). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Indiana to London Heathrow Airport?

Airfare is typical for this route at the moment.

Indiana to London Heathrow Airport flights typically cost between £575 and £799 in November.
The cheapest return price found within the last 5 days was £612 on Aer Lingus (30 Nov–16 Dec).

How far ahead should I book a flight from Indiana to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Indiana to London Heathrow Airport, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Indiana to London Heathrow Airport?
United Airlines, KLM, and Delta can get you from Indiana to London Heathrow Airport in just under 15h 10m. Your travel time can differ by up to 15h 55m. Airlines will cover a distance of 3880 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Indiana to London Heathrow Airport?
While some choose either Chicago Midway - London Heathrow or Cincinnati Cinci./N. Kentucky - London Heathrow, Chicago O'Hare Intl - London Heathrow is the most popular route from Indiana to London Heathrow Airport.
Can I find deals for flights from Indiana to Heathrow that include hotel bookings?
Yes. In addition to deals on Indiana to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Indiana to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indiana to Heathrow.
Can I find deals for business class flights from Indiana to Heathrow?
Yes. Cheapflights offers flight deals from Indiana to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Indiana to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Indiana to London Heathrow Airport (average of £522). Flying from Indiana to London Heathrow Airport in June is currently the most expensive (average of £985). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Indiana to Heathrow?

When you search for this flight from Indiana to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Indiana to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Indiana to Heathrow.

Can Cheapflights find flights from Indiana to Heathrow with no change fees?

Yes, we can. To see specific flights from Indiana to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Indiana to Heathrow become cheaper?

Yes! Start tracking prices for Indiana to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Indiana to London Heathrow Airport from £266

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Indiana to Heathrow

Cheapest flights from Indiana to HeathrowExplore the most affordable flight options available from Indiana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Explore the most affordable flight options available from Indiana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from Indiana to HeathrowDiscover carefully curated flight deals from Indiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from Indiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Indiana to HeathrowDiscover last-minute flight deals from Indiana to Heathrow. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Indiana to Heathrow. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Indiana to HeathrowSearch for one-way flight options from Indiana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from Indiana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Find flight deals from Indiana to Heathrow

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Indiana to London Heathrow Airport that are best for you.

Best time to book a flight from Indiana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Indiana with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Indiana to London Heathrow Airport?

How much does it cost for a return flight from Indiana to London Heathrow Airport?

Airfare is typical for this route at the moment.

Indiana to London Heathrow Airport flights typically cost between £575 and £799 in November.The cheapest return price found within the last 5 days was £612 on Aer Lingus (30 Nov–16 Dec).

How far ahead should I book a flight from Indiana to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Indiana to London Heathrow Airport, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Indiana to London Heathrow Airport?

What are the most popular routes from Indiana to London Heathrow Airport?

Can I find deals for flights from Indiana to Heathrow that include hotel bookings?

How can I find direct flights from Indiana to Heathrow?

Can I find deals for business class flights from Indiana to Heathrow?

What is the cheapest month to book a flight from Indiana to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Indiana to Heathrow

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Complete your trip

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Search flights from Indiana to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Indiana and Heathrow flights

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How does Cheapflights help users find flights from Indiana to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Indiana to Heathrow?

Can Cheapflights find flights from Indiana to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Indiana to Heathrow become cheaper?

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Cheapest flights from Indiana to Heathrow
Explore the most affordable flight options available from Indiana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from Indiana to Heathrow
Discover carefully curated flight deals from Indiana to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Indiana to Heathrow
Discover last-minute flight deals from Indiana to Heathrow. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Indiana to Heathrow
Search for one-way flight options from Indiana to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Indiana to London Heathrow Airport flights typically cost between £575 and £799 in November.
The cheapest return price found within the last 5 days was £612 on Aer Lingus (30 Nov–16 Dec).