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Cheap flights from Indianapolis to London from £147

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 August 2026.

Tue 3/1110:44 -
1 stop14h 16m
Fri 13/1112:35 -
1 stop26h 14m
Deal found 11/8£606
Fri 21/812:15 -
1 stop16h 45m
Tue 25/814:00 -
1 stop33h 38m
Deal found 10/8£607
Sat 3/1011:21 -
1 stop17h 39m
Sun 4/1014:00 -
1 stop25h 25m
Deal found 11/8£608
Tue 8/919:33 -
1 stop33h 27m
Sun 13/914:00 -
2 stops33h 53m
Deal found 11/8£609
Mon 21/911:21 -
1 stop17h 39m
Wed 30/914:00 -
1 stop24h 31m
Deal found 10/8£609
Wed 4/1110:44 -
1 stop14h 16m
Wed 11/1111:55 -
2 stops26h 54m
Deal found 11/8£612
Tue 3/1110:44 -
1 stop14h 16m
Wed 11/1110:10 -
1 stop28h 39m
Deal found 11/8£612
Fri 2/1019:48 -
2 stops29h 32m
Fri 9/1014:00 -
1 stop25h 28m
Deal found 9/8£613
Mon 28/917:02 -
2 stops14h 58m
Tue 6/1006:00 -
2 stops15h 34m
Deal found 10/8£614
Wed 25/1112:10 -
1 stop12h 50m
Fri 4/1212:35 -
1 stop34h 24m
Deal found 10/8£616
Fri 16/1006:30 -
1 stop22h 30m
Sun 25/1012:35 -
2 stops34h 29m
Deal found 12/8£617
Sun 15/1118:33 -
2 stops31h 37m
Wed 18/1106:50 -
2 stops14h 33m
Deal found 8/8£618

Find 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 13 August 2026.

Round-trip from

£606

One-way from

£147

Popular in

June

Cheapest in

October

Average price

£620
3/11-13/11
  • 3/11-13/11
  • 2 total stops
  • 40h 30m total
  • Indianapolis to London
Search Deals
20/10
  • 20/10
  • 1 total stop
  • 17h 35m total
  • Indianapolis to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£138 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 13 August 2026.
Use the filters below to find and compare flights from Indianapolis to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IndianapolisLondon

IND Indianapolis - LGW London Gatwick

INDLGW

Indianapolis

Wed 4/11

14:25-09:00

2 stops13h 35m

London Gatwick

Fri 13/11

10:00-20:40

2 stops15h 40m

£665

IndianapolisLondon

IND Indianapolis - LCY London City

INDLCY

Indianapolis

Sun 4/10

17:02-17:25

2 stops19h 23m

London City

Wed 14/10

18:00-16:34

2 stops27h 34m

£677

IndianapolisLondon

IND Indianapolis - LCY London City

INDLCY

Indianapolis

Mon 28/9

17:02-18:40

2 stops20h 38m

London City

Wed 14/10

18:00-16:34

2 stops27h 34m

£677

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Wed 7/10

16:32-10:20

1 stop12h 48m

London Heathrow

Tue 13/10

12:50-20:41

1 stop12h 51m

£678

IndianapolisLondon

IND Indianapolis - LCY London City

INDLCY

Indianapolis

Wed 30/9

17:02-12:35

2 stops14h 33m

London City

Wed 28/10

09:15-23:47

2 stops18h 32m

£678

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sat 17/10

18:50-20:40

1 stop20h 50m

London Heathrow

Sun 25/10

06:50-09:48

2 stops30h 58m

£697

IndianapolisLondon

IND Indianapolis - LGW London Gatwick

INDLGW

Indianapolis

Mon 7/9

16:25-17:50

2 stops20h 25m

London Gatwick

Mon 14/9

18:35-16:33

2 stops26h 58m

£704

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 13/12

18:25-11:40

1 stop12h 15m

London Heathrow

Mon 21/12

06:30-18:59

2 stops17h 29m

£708
Fastest return journey

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sun 27/9

13:38-06:45

1 stop12h 07m

London Heathrow

Sun 4/10

12:05-20:36

1 stop13h 31m

£714

IndianapolisLondon

IND Indianapolis - LHR London Heathrow

INDLHR

Indianapolis

Sat 6/2

18:30-20:35

1 stop21h 05m

London Heathrow

Sat 13/2

10:25-17:50

1 stop12h 25m

£719

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, February is the cheapest month in which you can book a flight from Indianapolis to London (average of £525). Flying from Indianapolis to London in June is currently the most expensive (average of £970). 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 Indianapolis to London?

Airfare is typical for this route at the moment.
Indianapolis to London flights typically cost between £498 and £703 in November.
The cheapest return price found within the last 5 days was £606 on Multiple Airlines (3 Nov–13 Nov).

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.

Dublin (DUB) – chosen by Cheapflights users on 38% 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 £370.

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 Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 10h 23m.

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 Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 17m.

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

Booking 20 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.

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.

  • How long is the flight from Indianapolis to London?

    Airlines like Delta, SWISS, and United Airlines fly from Indianapolis to London in about 13h 35m. The time it takes to get you to your destination can typically vary by up to 7h 15m. There are 4003 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 is the cheapest airline to fly from Indianapolis to London round-trip?

    Flying on British Airways is currently your cheapest option to London, with prices starting at £447. You may be able to fly from Indianapolis to London for 32% less than the average price by searching for this airline.

  • 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, February is the cheapest month in which you can book a flight from Indianapolis to London (average of £525). Flying from Indianapolis to London in June is currently the most expensive (average of £970). 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?

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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 13 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£447Average£552FlexibilityNo 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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