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Cheap flights from Indianapolis to London from £221

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Indianapolis to London are usually found in February or August, booked 36 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Indianapolis to London

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to London (LON). 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 30 April 2025.

Round-trip from

£525

One-way from

£221

Popular in

June

Cheapest in

February

Average price

£611
Delta
  • Delta
  • 21/10-7/11
  • 4 total stops
  • 31h 49m total
  • Indianapolis to London
Search Deals
15/7
  • 15/7
  • 2 total stops
  • 26h 03m total
  • Indianapolis to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Indianapolis to London

Cheapest flights from Indianapolis to London
Explore the most affordable flight options available from Indianapolis to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Tue 21/1012:05IND - LHR
2 stops15h 45mDelta
Fri 7/1106:20LHR - IND
2 stops16h 04mDelta
Deal found 29/4£525
Tue 14/1006:05IND - LHR
2 stops22h 15mScandinavian Airlines
Tue 21/1006:40LHR - IND
2 stops19h 04mScandinavian Airlines
Deal found 28/4£526
Wed 20/814:31IND - LGW
1 stop12h 39mAmerican Airlines
Tue 26/815:05LGW - IND
1 stop12h 57mAmerican Airlines
Deal found 29/4£526
Fri 22/817:59IND - LGW
1 stop11h 01mDelta
Thu 28/812:00LGW - IND
1 stop14h 04mDelta
Deal found 29/4£534
Tue 14/1015:19IND - LHR
1 stop10h 01mIberia
Fri 24/1012:15LHR - IND
1 stop11h 34mIberia
Deal found 29/4£535
Sun 18/513:15IND - LGW
1 stop15h 55mMultiple Airlines
Fri 23/514:00LGW - IND
1 stop14h 59mMultiple Airlines
Deal found 29/4£541
Wed 1/1019:50IND - LHR
1 stop11h 50mAer Lingus
Wed 15/1008:50LHR - IND
1 stop14h 30mAer Lingus
Deal found 28/4£550
Wed 22/1014:17IND - LHR
1 stop12h 33mBritish Airways
Fri 7/1114:10LHR - IND
1 stop11h 42mBritish Airways
Deal found 28/4£564
Wed 22/1010:20IND - LHR
1 stop15h 15mMultiple Airlines
Tue 28/1009:30LHR - IND
2 stops40h 15mMultiple Airlines
Deal found 29/4£567
Wed 13/809:22IND - LHR
2 stops19h 38mAir Canada
Fri 22/814:05LHR - IND
2 stops28h 12mAir Canada
Deal found 29/4£570
Tue 14/1016:40IND - LHR
1 stop32h 40mUnited Airlines
Fri 24/1012:40LHR - IND
2 stops30h 19mUnited Airlines
Deal found 29/4£571
Wed 27/814:31IND - LGW
1 stop12h 39mBritish Airways
Wed 3/915:05LGW - IND
1 stop12h 16mBritish Airways
Deal found 29/4£573

Cheapflights Fare Finder

Customise 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, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Indianapolis to London that are best for you.

Fly from

Indianapolis

Fly to

London

Route

Depart

Return

Price

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 21/10

12:05-08:50

2 stops15h 45m

London Heathrow

Fri 7/11

06:20-17:24

2 stops16h 04m

£525

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 14/10

06:05-09:20

2 stops22h 15m

London Heathrow

Tue 21/10

06:40-20:44

2 stops19h 04m

£526

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 20/8

14:31-08:10

1 stop12h 39m

London Gatwick

Tue 26/8

15:05-23:02

1 stop12h 57m

£526

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Fri 22/8

17:59-10:00

1 stop11h 01m

London Gatwick

Thu 28/8

12:00-21:04

1 stop14h 04m

£534

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 14/10

15:19-06:20

1 stop10h 01m

London Heathrow

Fri 24/10

12:15-18:49

1 stop11h 34m

£535

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Sun 18/5

13:15-10:10

1 stop15h 55m

London Gatwick

Fri 23/5

14:00-23:59

1 stop14h 59m

£541

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 1/10

19:50-12:40

1 stop11h 50m

London Heathrow

Wed 15/10

08:50-18:20

1 stop14h 30m

£550

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 22/10

14:17-09:30

1 stop14h 13m

London Heathrow

Tue 11/11

14:10-20:52

1 stop11h 42m

£564

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 22/10

10:20-06:35

1 stop15h 15m

London Heathrow

Tue 28/10

09:30-21:45

2 stops40h 15m

£567

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 13/8

09:22-10:00

2 stops19h 38m

London Heathrow

Fri 22/8

14:05-13:17

2 stops28h 12m

£570

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 55 results
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Best time to book a flight from Indianapolis to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Use this chart to determine the optimal time to book a return flight from Indianapolis to London. Price data was last updated on 25 April 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Indianapolis to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Indianapolis to London (average of £112). Flying from Indianapolis to London 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 LON?

Find hourly flight availability from Indianapolis to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s optimal to fly from Indianapolis to London in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Indianapolis to London. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Indianapolis to London 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 London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 30 April 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS from Indianapolis to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,333 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,588 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 London. 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?

    Indianapolis (IND), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Indianapolis to London. 1 airline have flights from Indianapolis to London on a regular basis. Booking flights from Indianapolis to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

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

    Flying on Delta is currently your cheapest option to London, with prices starting at £525. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and American Airlines, with the lowest prices starting at £526 and £526, respectively. You may be able to fly from Indianapolis to London for 22% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as £302 on Delta. Other airlines that offer cheap prices include Aer Lingus from £327 and United Airlines from £340 one-way.

  • What are the most popular routes from Indianapolis to London?

    Most travelers choose Indianapolis - London Heathrow, Indianapolis - London Gatwick or Indianapolis - London City when deciding on the best route from Indianapolis to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Indianapolis to London 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?

    Currently, January is the cheapest month in which you can book a flight from Indianapolis to London (average of £112). Flying from Indianapolis to London 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
Deal
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Gatwick
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Winchester
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Watford
Chichester

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Alternative routes for Indianapolis to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Indianapolis to London

Discover the top airline that operate flights from Indianapolis to London. 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£508Average£680FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

When you search for this flight from Indianapolis to London, 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 Indianapolis to London?

Cheapflights simply makes it quick and affordable to book flights from Indianapolis to London 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 London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Indianapolis to London, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Indianapolis to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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