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Cheap flights from Indianapolis to London Heathrow Airport from £235

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LHR
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Indianapolis to London Heathrow are usually found in October or February, booked 85 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Indianapolis to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 April 2025.

Round-trip from

£533

One-way from

£235

Popular in

June

Cheapest in

October

Average price

£627
Delta
  • Delta
  • 1/9-17/9
  • 3 total stops
  • 32h 07m total
  • Indianapolis to London
Search Deals
17/9
  • 17/9
  • 2 total stops
  • 19h 58m total
  • Indianapolis to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Indianapolis to Heathrow

Cheapest flights from Indianapolis to Heathrow
Explore the most affordable flight options available from Indianapolis to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Mon 1/909:55IND - LHR
1 stop16h 20mDelta
Wed 17/906:30LHR - IND
2 stops15h 47mDelta
Deal found 14/4£533
Tue 20/505:47IND - LHR
1 stop10h 53mBritish Airways
Fri 30/514:40LHR - IND
1 stop12h 33mBritish Airways
Deal found 15/4£535
Mon 27/1021:00IND - LHR
1 stop10h 25mAer Lingus
Mon 3/1109:50LHR - IND
1 stop13h 40mAer Lingus
Deal found 14/4£536
Mon 1/916:40IND - LHR
2 stops18h 45mSWISS
Mon 15/920:05LHR - IND
2 stops25h 27mSWISS
Deal found 15/4£541
Wed 13/813:17IND - LHR
2 stops17h 38mMultiple Airlines
Mon 25/813:05LHR - IND
3 stops34h 07mMultiple Airlines
Deal found 14/4£546
Mon 19/516:38IND - LHR
1 stop10h 12mIberia
Sun 25/514:40LHR - IND
1 stop12h 33mIberia
Deal found 14/4£553
Mon 21/419:34IND - LHR
1 stop10h 06mUnited Airlines
Mon 28/414:05LHR - IND
2 stops29h 28mUnited Airlines
Deal found 14/4£558
Fri 24/1010:30IND - LHR
2 stops18h 30mAir Canada
Fri 31/1008:55LHR - IND
2 stops16h 50mAir Canada
Deal found 15/4£558
Mon 21/419:43IND - LHR
1 stop12h 27mVirgin Atlantic
Mon 28/409:20LHR - IND
1 stop17h 28mVirgin Atlantic
Deal found 14/4£575
Fri 25/419:23IND - LHR
1 stop10h 07mFinnair
Sat 3/514:25LHR - IND
1 stop11h 41mFinnair
Deal found 14/4£606
Tue 21/1007:20IND - LHR
2 stops21h 15mScandinavian Airlines
Sun 9/1119:50LHR - IND
3 stops29h 54mScandinavian Airlines
Deal found 14/4£675

Cheapflights Fare Finder

Customise your flight search to find flights from Indianapolis to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from Indianapolis to London Heathrow Airport that are best for you.

Fly from

Indianapolis

Fly to

Heathrow

Route

Depart

Return

Price

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 1/9

09:55-07:15

1 stop16h 20m

London Heathrow

Wed 17/9

06:30-17:17

2 stops15h 47m

£533

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 20/5

05:47-21:40

1 stop10h 53m

London Heathrow

Fri 30/5

14:40-22:13

1 stop12h 33m

£535

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 12/5

19:50-12:40

1 stop11h 50m

London Heathrow

Mon 19/5

09:50-18:20

1 stop13h 30m

£538

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 1/9

16:40-16:25

2 stops18h 45m

London Heathrow

Mon 15/9

20:05-16:32

2 stops25h 27m

£541

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 13/8

13:17-11:55

2 stops17h 38m

London Heathrow

Mon 25/8

13:05-18:12

3 stops34h 07m

£546

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 19/5

16:38-07:50

1 stop10h 12m

London Heathrow

Sun 25/5

14:40-22:13

1 stop12h 33m

£553

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 9/5

09:00-06:30

2 stops16h 30m

London Heathrow

Tue 13/5

14:05-12:08

2 stops27h 03m

£558

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 9/5

10:30-08:35

1 stop17h 05m

London Heathrow

Tue 13/5

08:45-20:59

2 stops17h 14m

£561

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 25/4

19:23-10:30

1 stop10h 07m

London Heathrow

Sat 3/5

14:25-21:06

1 stop11h 41m

£606

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 16/8

12:00-09:35

2 stops16h 35m

London Heathrow

Sun 24/8

21:05-20:43

3 stops28h 38m

£715

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Indianapolis to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from Indianapolis to Heathrow. Price data was last updated on 11 April 2025.

The price you pay for your flight from Indianapolis to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of £112). Flying from Indianapolis to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

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

Find hourly flight availability from Indianapolis to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

One of the essential ways to save on airfare from Indianapolis to London Heathrow Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.

What is the cheapest day to fly from Indianapolis to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Indianapolis to Heathrow. Price data was last updated on 30 March 2025.

Travellers seeking maximum savings on their Indianapolis to London Heathrow Airport flight should consider departing on Thursday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 15 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Indianapolis to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,916 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,656 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Indianapolis to London Heathrow?

    Indianapolis (IND) is the airport you will fly out of if you book a flight from Indianapolis to London Heathrow. You should not have trouble finding flights to London Heathrow from Indianapolis; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Indianapolis airport to London Heathrow. It is only a 8.3 mi journey to Indianapolis (IND) from Indianapolis’s city center.

  • What are the cheapest airlines flying from Indianapolis to London Heathrow Airport round-trip?

    According to our current data, Delta (£533), British Airways (£535), and Aer Lingus (£538) offers the cheapest pricing from Indianapolis to London Heathrow Airport. Delta is currently priced 22% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Indianapolis to London Heathrow Airport one-way?

    £308 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Lufthansa and Finnair, with prices starting from £334 and £342, respectively.

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

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

  • How can I find direct flights from Indianapolis to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Indianapolis 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 Indianapolis to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of £112). Flying from Indianapolis to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Hounslow
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Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Indianapolis to Heathrow

Discover the top airline that operate flights from Indianapolis to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£517Average£693FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Indianapolis to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Indianapolis to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Heathrow from Indianapolis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Indianapolis 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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