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Cheap flights from Indianapolis to London from £153

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Indianapolis to London are usually found in August or February, 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 11 July 2025.

Round-trip from

£478

One-way from

£153

Popular in

June

Cheapest in

August

Average price

£733
Aer Lingus
  • Aer Lingus
  • 3/11-10/11
  • 2 total stops
  • 24h 05m total
  • Indianapolis to London
7/10
  • 7/10
  • 1 total stop
  • 23h 30m total
  • Indianapolis to London
Highest demand for flights based on searches. 14% potential increase in price (£80 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 11 July 2025.

Mon 3/1120:00IND - LHR
1 stop10h 25mAer Lingus
Mon 10/1109:50LHR - IND
1 stop13h 40mAer Lingus
Deal found 10/7£478
Mon 18/814:33IND - LGW
1 stop12h 37mBritish Airways
Sun 24/814:45LGW - IND
1 stop13h 18mBritish Airways
Deal found 10/7£478
Thu 30/1013:48IND - LHR
2 stops13h 52mKLM
Mon 10/1120:25LHR - IND
2 stops29h 32mKLM
Deal found 10/7£479
Sun 12/1009:15IND - LHR
2 stops16h 15mUnited Airlines
Fri 24/1012:15LHR - IND
1 stop11h 37mUnited Airlines
Deal found 10/7£481
Thu 28/814:45IND - LHR
1 stop12h 05mBritish Airways
Tue 9/909:15LHR - IND
1 stop12h 53mBritish Airways
Deal found 10/7£482
Fri 12/912:06IND - LGW
2 stops16h 54mMultiple Airlines
Fri 19/914:00LGW - IND
1 stop14h 08mMultiple Airlines
Deal found 9/7£486
Mon 1/917:42IND - LHR
2 stops19h 58mLufthansa
Sun 7/918:40LHR - IND
2 stops32h 11mLufthansa
Deal found 11/7£486
Sat 6/905:30IND - LHR
3 stops22h 35mMultiple Airlines
Mon 8/909:50LHR - IND
2 stops15h 22mMultiple Airlines
Deal found 9/7£487
Mon 1/909:16IND - LGW
2 stops17h 54mAmerican Airlines
Sun 7/910:40LGW - IND
2 stops18h 19mAmerican Airlines
Deal found 9/7£489
Mon 18/818:11IND - LCY
2 stops17h 14mLufthansa
Wed 3/908:45LCY - IND
2 stops20h 14mLufthansa
Deal found 10/7£490
Sat 23/812:57IND - LCY
2 stops18h 43mBritish Airways
Sat 30/808:10LCY - IND
2 stops17h 55mBritish Airways
Deal found 9/7£492
Tue 30/1211:42IND - LHR
2 stops13h 48mAir Canada
Wed 7/118:00LHR - IND
2 stops28h 48mAir Canada
Deal found 9/7£496

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 11 July 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

Mon 3/11

20:00-11:25

1 stop10h 25m

London Heathrow

Mon 10/11

09:50-18:30

1 stop13h 40m

£478

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 18/8

14:33-08:10

1 stop12h 37m

London Gatwick

Sun 24/8

14:45-23:03

1 stop13h 18m

£478

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 30/10

13:48-07:40

2 stops13h 52m

London Heathrow

Mon 10/11

20:25-20:57

2 stops29h 32m

£479

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 12/10

09:15-06:30

2 stops16h 15m

London Heathrow

Fri 24/10

12:15-18:52

1 stop11h 37m

£481

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 28/8

14:45-07:50

1 stop12h 05m

London Heathrow

Tue 9/9

09:15-17:08

1 stop12h 53m

£482

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Fri 12/9

12:06-10:00

2 stops16h 54m

London Gatwick

Fri 19/9

14:00-23:08

1 stop14h 08m

£486

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 1/9

17:42-18:40

2 stops19h 58m

London Heathrow

Sun 7/9

18:40-21:51

2 stops32h 11m

£486

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 6/9

05:30-09:05

3 stops22h 35m

London Heathrow

Mon 8/9

09:50-20:12

2 stops15h 22m

£487

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 1/9

09:16-08:10

2 stops17h 54m

London Gatwick

Sun 7/9

10:40-23:59

2 stops18h 19m

£489

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Mon 18/8

18:11-16:25

2 stops17h 14m

London City

Wed 3/9

08:45-23:59

2 stops20h 14m

£490

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 46 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 27 June 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 11 July 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.

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 11 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andAir France from Indianapolis to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Aer Lingus is currently your cheapest option to London, with prices starting at £478. Additional return tickets that might be worth considering are offered by British Airways and KLM, with the lowest prices starting at £478 and £479, respectively. You may be able to fly from Indianapolis to London for 27% 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 £289 on Air Canada. Other airlines that offer cheap prices include Aer Lingus from £293 and Air France from £305 one-way.

  • What are the most popular routes 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
Hounslow
Croydon
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Ilford
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Watford
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Chichester

Browse thousands of different options on Cheapflights for your next trip

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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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£501Average£649FlexibilityNo 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 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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