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$256+ Cheap flights from Indianapolis (IND) to London (LON)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap 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 July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:09 am
IND
-
LGW
1 stop17h 51m
Multiple Airlines
Sun 9/272:00 pm
LGW
-
IND
1 stop25h 14m
Multiple Airlines
Deal found 7/20$817
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:15 pm
IND
-
LGW
1 stop16h 45m
Multiple Airlines
Sun 9/132:00 pm
LGW
-
IND
1 stop25h 14m
Multiple Airlines
Deal found 7/21$819
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:00 am
IND
-
LGW
1 stop18h 00m
Multiple Airlines
Wed 8/262:00 pm
LGW
-
IND
2 stops35h 04m
Multiple Airlines
Deal found 7/20$820
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:00 am
IND
-
LGW
1 stop18h 00m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
IND
1 stop33h 38m
Multiple Airlines
Deal found 7/20$822
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:09 am
IND
-
LGW
1 stop17h 51m
Multiple Airlines
Fri 9/182:00 pm
LGW
-
IND
1 stop25h 14m
Multiple Airlines
Deal found 7/19$824
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:09 am
IND
-
LGW
1 stop17h 51m
Multiple Airlines
Mon 9/282:00 pm
LGW
-
IND
1 stop25h 14m
Multiple Airlines
Deal found 7/20$825
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:09 am
IND
-
LGW
1 stop17h 51m
Multiple Airlines
Sat 9/122:00 pm
LGW
-
IND
1 stop25h 14m
Multiple Airlines
Deal found 7/21$826
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:53 am
IND
-
LGW
1 stop18h 07m
Multiple Airlines
Wed 8/192:00 pm
LGW
-
IND
1 stop36h 14m
Multiple Airlines
Deal found 7/23$827
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:09 am
IND
-
LGW
1 stop17h 51m
Multiple Airlines
Tue 10/63:40 pm
LGW
-
IND
2 stops48h 02m
Multiple Airlines
Deal found 7/21$828
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:15 pm
IND
-
LGW
1 stop16h 45m
Multiple Airlines
Fri 9/112:00 pm
LGW
-
IND
2 stops50h 44m
Multiple Airlines
Deal found 7/20$829
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:00 am
IND
-
LGW
1 stop18h 00m
Multiple Airlines
Sat 8/222:00 pm
LGW
-
IND
1 stop36h 14m
Multiple Airlines
Deal found 7/21$830
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:20 pm
IND
-
LGW
2 stops40h 40m
Multiple Airlines
Mon 8/172:00 pm
LGW
-
IND
1 stop33h 38m
Multiple Airlines
Deal found 7/20$831

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 July 24, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$817
(Kiwi.com)

One-way from

$256
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,103
Provider with most accurate pricing for Indianapolis-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-London (LON) flights.
Search Deals
From Indianapolis to London (LON)
Search Deals
One-way flight from Indianapolis to London (LON)
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 24, 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 round-trip

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 10/5

6:55 pm-10:25 am

1 stop10h 30m

London Heathrow

Fri 10/16

6:00 am-8:36 pm

2 stops19h 36m

$885

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Fri 9/4

7:33 pm-10:00 am

1 stop33h 27m

London Gatwick

Fri 9/11

2:00 pm-10:14 am

1 stop25h 14m

$893

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 9/21

4:25 pm-5:50 pm

2 stops20h 25m

London Gatwick

Wed 9/30

6:35 pm-4:34 pm

2 stops26h 59m

$895

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 9/2

4:25 pm-9:20 am

1 stop11h 55m

London Heathrow

Wed 9/9

6:50 am-6:16 pm

2 stops16h 26m

$943

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 10/5

5:02 pm-5:50 pm

2 stops19h 48m

London Gatwick

Fri 10/16

6:35 pm-4:34 pm

2 stops26h 59m

$945

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Tue 9/8

4:25 pm-5:50 pm

2 stops20h 25m

London Gatwick

Wed 9/16

6:35 pm-4:33 pm

2 stops26h 58m

$951

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 9/7

4:25 pm-5:50 pm

2 stops20h 25m

London Gatwick

Mon 9/14

6:35 pm-4:33 pm

2 stops26h 58m

$951

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 10/10

7:01 pm-6:45 am

1 stop30h 44m

London Heathrow

Sun 10/18

7:30 am-8:04 pm

2 stops17h 34m

$952

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 9/9

4:25 pm-5:50 pm

2 stops20h 25m

London Gatwick

Thu 10/1

6:35 pm-4:34 pm

2 stops26h 59m

$952

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Tue 9/8

4:25 pm-5:50 pm

2 stops20h 25m

London Gatwick

Tue 9/29

9:25 am-4:34 pm

2 stops36h 09m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Indianapolis to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to London in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Indianapolis-London flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Indianapolis-London flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Indianapolis-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-London flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, September is the cheapest month in which you can book a flight from Indianapolis to London (average of $700). Flying from Indianapolis to London in June is currently the most expensive (average of $1,315). 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 to fly round-trip from Indianapolis to London?

Airfare is typical for this route at the moment.
Indianapolis to London flights typically cost between $759 and $1,116 in September.
The cheapest round-trip price found within the last 5 days was $817 on Multiple Airlines (Sep 12-Sep 27).

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

Share of 1-stop round-trip flights from Indianapolis to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dublin (DUB) – chosen by Cheapflights users on 38% of 1-stop itineraries from Indianapolis to London on Cheapflights.

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

Average round-trip fare for 1-stop flights from Indianapolis to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $636.

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

Shortest average travel time for 1-stop one-way flights from Indianapolis to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 9h 57m.

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

Average layover duration for 1-stop one-way flights from Indianapolis to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 29m.

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

Booking 83 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.

The best insider tips for Indianapolis to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Indianapolis to London trip
Our travel experts
Andreas Spaeth

Andreas Spaeth

Expert on Air India

Andreas hails from Hamburg, Germany, and has been visiting over 130 countries around the globe in his never-ending curiosity to explore new places. Visiting airlines and airports on every continent is a good excuse to see their home countries. Andreas is particularly proud he visited the North Pole (by icebreaker) and Antarctica (landing on an ice runway).

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Blane Bachelor

Blane Bachelor

Expert on Virgin Atlantic

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more

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 July 24, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAer Lingus from Indianapolis to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,026 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Aer Lingus
7.3
Good
1,676 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,843 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
British Airways
6.7
Okay
8,129 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    For a flight from Indianapolis to London, you will be flying from Indianapolis. Indianapolis (IND) is just 8.3 mi from the center of the city. Indianapolis is the only Indianapolis airport and it handles 0 outbound flights to London per day. 8 airlines have flights to London from Indianapolis on a regular basis.

  • How long is the flight from Indianapolis to London?

    Airlines like SWISS, United Airlines, and Turkish Airlines fly from Indianapolis to London in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 30h 43m. Airlines will cover a distance of 3983 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Indianapolis to London is Virgin Atlantic. Our recent data shows that you can find tickets from as low as $449 on this airline. Additional options worth looking into are British Airways and Iberia, starting at $509 and $526 round-trip. Users have found that Virgin Atlantic is 48% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $222. However, be on the lookout for offers from American Airlines and British Airways, as they are both options that can get you from Indianapolis to London for a low price.

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

    While some choose either Indianapolis - London Gatwick or Indianapolis - London Stansted, Indianapolis - London Heathrow is the most popular 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 vacation 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, September is the cheapest month in which you can book a flight from Indianapolis to London (average of $700). Flying from Indianapolis to London in June is currently the most expensive (average of $1,315). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Indianapolis to London

Discover the top 8 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 2,558,603 searches. Data last updated July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$449Average$1,037FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$509Average$731FlexibilityNo cancel feeOn-time70%
IberiaCheapest$526Average$589FlexibilityNo cancel feeOn-time77%
DeltaCheapest$555Average$886FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$598Average$800FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$633Average$911FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$633Average$1,019FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$741Average$978FlexibilityNo cancel feeOn-time76%

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