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Cheap flights from Indianapolis to London from £171

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Indianapolis to London are usually found in October or August, booked 84 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 14 November 2025.

Round-trip from

£448

One-way from

£171

Popular in

June

Cheapest in

October

Average price

£646
Delta
  • Delta
  • 2/12-9/12
  • 3 total stops
  • 33h 54m total
  • Indianapolis to London
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Iberia
  • Iberia
  • 25/2
  • 1 total stop
  • 11h 35m total
  • Indianapolis to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Indianapolis to London

Enter your travel dates to find the best prices.

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 14 November 2025.

Fri 12/1220:00IND - LHR
1 stop12h 25mAer Lingus
Mon 15/1208:50LHR - IND
1 stop14h 40mAer Lingus
Deal found 12/11£458
Wed 3/1220:00IND - LHR
1 stop10h 25mAer Lingus
Fri 12/1209:50LHR - IND
1 stop13h 40mAer Lingus
Deal found 12/11£460
Tue 2/1211:15IND - LHR
2 stops14h 55mMultiple Airlines
Tue 9/1211:10LHR - IND
2 stops15h 49mMultiple Airlines
Deal found 12/11£462
Wed 3/1212:10IND - LHR
2 stops14h 00mMultiple Airlines
Fri 12/1209:00LHR - IND
2 stops17h 59mMultiple Airlines
Deal found 12/11£463
Tue 2/1214:42IND - LHR
1 stop10h 58mUnited Airlines
Tue 9/1206:35LHR - IND
2 stops16h 09mUnited Airlines
Deal found 12/11£469
Wed 3/1212:10IND - LHR
2 stops14h 00mUnited Airlines
Fri 12/1209:00LHR - IND
2 stops16h 00mUnited Airlines
Deal found 12/11£470
Wed 12/1110:29IND - LHR
1 stop17h 16mDelta
Wed 19/1106:30LHR - IND
2 stops16h 10mDelta
Deal found 12/11£470
Mon 1/1214:20IND - LHR
1 stop15h 55mUnited Airlines
Mon 8/1211:05LHR - IND
2 stops34h 24mUnited Airlines
Deal found 12/11£480
Thu 11/1214:15IND - LHR
1 stop16h 00mSWISS
Tue 16/1209:00LHR - IND
2 stops17h 59mSWISS
Deal found 12/11£483
Fri 28/1105:00IND - LHR
2 stops21h 10mMultiple Airlines
Sat 6/1209:00LHR - IND
3 stops27h 43mMultiple Airlines
Deal found 12/11£485
Tue 9/1215:59IND - LHR
1 stop10h 51mBritish Airways
Thu 18/1213:30LHR - IND
1 stop13h 49mBritish Airways
Deal found 12/11£486
Wed 31/1213:48IND - LHR
1 stop13h 27mIberia
Thu 8/110:35LHR - IND
1 stop13h 05mIberia
Deal found 13/11£487

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 14 November 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 2/12

10:09-09:00

1 stop17h 51m

London Heathrow

Tue 9/12

06:20-17:23

2 stops16h 03m

£448

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 3/3

06:00-09:20

2 stops22h 20m

London Heathrow

Tue 24/3

19:30-21:00

2 stops29h 30m

£454

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 25/2

12:29-18:30

2 stops25h 01m

London Heathrow

Wed 4/3

21:05-21:10

3 stops29h 05m

£460

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 26/2

06:45-09:20

2 stops21h 35m

London Heathrow

Fri 6/3

06:40-21:10

3 stops19h 30m

£460

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 12/12

17:34-09:00

1 stop10h 26m

London Heathrow

Thu 18/12

11:05-19:00

1 stop12h 55m

£473

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 11/12

10:09-07:50

1 stop16h 41m

London Heathrow

Tue 16/12

09:40-21:03

1 stop16h 23m

£473

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 13/1

15:50-08:25

1 stop11h 35m

London Heathrow

Tue 20/1

06:50-16:37

2 stops14h 47m

£475

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 25/2

10:04-07:50

1 stop16h 46m

London Heathrow

Wed 4/3

06:30-17:20

2 stops15h 50m

£476

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Thu 26/2

14:00-09:20

2 stops14h 20m

London City

Fri 6/3

09:20-19:57

2 stops15h 37m

£493

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 13/1

12:25-12:55

2 stops19h 30m

London City

Tue 20/1

17:40-19:02

2 stops30h 22m

£501

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 60 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 7 November 2025.

Booking 84 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, October is the cheapest month in which you can book a flight from Indianapolis to London (average of £373). Flying from Indianapolis to London in June is currently the most expensive (average of £674). 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 14 November 2025.

It’s optimal to fly from Indianapolis to London in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at midday.

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 Sunday afternoons 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.

What’s the top stopover airport for flights from Indianapolis to London?

Share of one-stop return flights from Indianapolis to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Chicago (ORD) – chosen by Cheapflights users on 33% of one-stop itineraries from Indianapolis to London on Cheapflights.

What’s the cheapest stopover airport for flights from Indianapolis to London?

Average return fare for one-stop flights from Indianapolis to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Detroit (DTW) is the most affordable one-stop option, with an average return flight price of £379.

What’s the fastest stopover option from Indianapolis to London?

Shortest average travel time for one-stop one-way flights from Indianapolis to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Boston (BOS) have the shortest average one-way travel time for one-stop routes: 9h 45m.

Which airport typically offers the quickest stopover for flights from Indianapolis to London?

Average stopover duration for one-stop one-way flights from Indianapolis to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Boston (BOS) offer the fastest connection on this route, with an average stopover time of 1h 10m.

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 14 November 2025.
Get a feel of what it's like to fly with United Airlines, Lufthansa, andBritish Airways 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.
United Airlines
7.4
Good
9,017 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,017 reviews
United Airlines
7.4
Good
9,017 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,572 reviews
United Airlines
7.4
Good
9,017 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,521 reviews
United Airlines
7.4
Good
9,017 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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. 2 airlines 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.

  • How long is the flight from Indianapolis to London?

    Airlines like Delta, Scandinavian Airlines, and Lufthansa fly from Indianapolis to London in about 14h 20m. The time it takes to get you to your destination can typically vary by up to 8h. There are 4001 mi between Indianapolis and London. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at £379. Another option worth looking into is British Airways, starting at £512 return. You may be able to fly from Indianapolis to London for 42% 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 £171 on Iberia. Other airlines that offer cheap prices include Aer Lingus from £171 and British Airways from £205 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, October is the cheapest month in which you can book a flight from Indianapolis to London (average of £373). Flying from Indianapolis to London in June is currently the most expensive (average of £674). 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 London?

Book flights to London if you plan to visit one of these locations
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Croydon
Slough
Gatwick
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Luton
Ilford
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Deal
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Ipswich
Bedford
Eastbourne

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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 2 airlines flying from Indianapolis to London

Discover the top 2 airlines 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£379Average£517FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£512Average£680FlexibilityNo 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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