London

$186+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
oct. 11 — oct. 181
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Cheapflights Tip: The best prices from Indianapolis to London are usually found in August or October, booked 84 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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 septiembre 11, 2025.

Round-trip from

$521
(United Airlines)

One-way from

$186
(Norse)

Popular in

June

Cheapest in

August

Average price

$766
From Indianapolis to London (LON)
One-way flight from Indianapolis to London (LON)
Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in September 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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/122:37 pmIND - LHR
1 stop15h 13mUnited Airlines
mié. 11/196:50 amLHR - IND
2 stops14h 30mUnited Airlines
Deal found 9/11$521
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:00 amIND - LHR
2 stops20h 10mAir Canada
mié. 11/191:25 pmLHR - IND
2 stops14h 53mAir Canada
Deal found 9/11$523
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/24:48 pmIND - LHR
1 stop11h 12mDelta
vie. 11/141:05 pmLHR - IND
1 stop12h 57mDelta
Deal found 9/9$524
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:35 pmIND - LHR
1 stop11h 55mDelta
mar. 10/218:40 amLHR - IND
2 stops15h 14mDelta
Deal found 9/9$525
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/512:16 pmIND - LHR
1 stop13h 59mDelta
jue. 10/166:30 amLHR - IND
2 stops17h 24mDelta
Deal found 9/11$526
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/125:03 amIND - LHR
1 stop9h 57mBritish Airways
mié. 11/1912:35 pmLHR - IND
1 stop13h 40mBritish Airways
Deal found 9/11$527
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/222:08 pmIND - LHR
2 stops13h 42mDelta
mar. 10/2811:30 amLHR - IND
2 stops16h 52mDelta
Deal found 9/10$528
This Norse deal was found by Cheapflights users on 9/9. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/155:45 amIND - LGW
1 stop23h 15mMultiple Airlines
vie. 9/192:00 pmLGW - IND
1 stop24h 18mMultiple Airlines
Deal found 9/9$528
This Norse deal was found by Cheapflights users on 9/10. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/15:45 amIND - LGW
1 stop23h 15mMultiple Airlines
vie. 10/312:00 pmLGW - IND
1 stop23h 20mMultiple Airlines
Deal found 9/10$529
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/72:08 pmIND - LHR
2 stops13h 42mDelta
mar. 10/148:40 amLHR - IND
2 stops15h 14mDelta
Deal found 9/11$530
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/710:20 amIND - LHR
1 stop15h 15mAir Canada
mié. 10/1512:05 pmLHR - IND
1 stop13h 56mAir Canada
Deal found 9/11$531
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/42:11 pmIND - LHR
1 stop11h 14mDelta
vie. 11/1412:40 pmLHR - IND
1 stop13h 06mDelta
Deal found 9/10$532

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 septiembre 11, 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

mié. 10/22

6:06 pm-10:00 am

1 stop10h 54m

London Heathrow

mar. 10/28

9:00 am-9:43 pm

2 stops16h 43m

$524

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

lun. 10/27

10:33 am-8:45 am

1 stop18h 12m

London Heathrow

mié. 11/12

6:30 am-5:29 pm

2 stops15h 59m

$525

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

dom. 10/5

8:15 am-7:15 am

1 stop18h 00m

London Heathrow

mar. 10/14

8:40 am-6:54 pm

2 stops15h 14m

$526

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

mié. 10/1

5:45 am-10:00 am

1 stop23h 15m

London Gatwick

vie. 10/31

2:00 pm-9:20 am

1 stop23h 20m

$529

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

mar. 10/7

2:08 pm-8:50 am

2 stops13h 42m

London Heathrow

mar. 10/14

8:40 am-6:54 pm

2 stops15h 14m

$530

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

mié. 10/22

2:11 pm-6:45 am

1 stop11h 34m

London Heathrow

mar. 10/28

8:55 am-5:46 pm

1 stop12h 51m

$532

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

mié. 2/18

11:42 am-5:55 am

1 stop13h 13m

London Heathrow

lun. 2/23

11:05 am-11:48 pm

2 stops41h 43m

$534

IndianapolisLondon

IND - STN

INDSTN

Indianapolis

mié. 11/12

8:00 pm-5:50 pm

1 stop16h 50m

London Stansted

mié. 11/19

6:30 am-6:30 pm

1 stop17h 00m

$544

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

jue. 11/13

7:35 pm-10:50 am

1 stop10h 15m

London Heathrow

mar. 11/18

1:25 pm-1:12 pm

2 stops28h 47m

$559

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

vie. 9/26

10:05 am-6:55 am

1 stop15h 50m

London Heathrow

mié. 10/1

2:05 pm-11:17 am

2 stops26h 12m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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The best insider tips for Indianapolis to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Indianapolis to London trip
Airlines
Air Canada

Air Canada Signature Class features lie-flat seats and access to exclusive lounges for a premium experience.


Air Canada's Preferred Seats offer up to four inches of extra space, ideal for taller travelers.

Read more about Air Canadaby Jessica Macdonald
Air India

Air India offers complimentary hot meals in all classes, enhancing the in-flight experience.


Air India's A350 features Premium Economy with 38 inches of seat pitch for added comfort.

Read more about Air Indiaby Andreas Spaeth
British Airways

BA's Club Suite in business class offers private pods with a door for enhanced privacy.


World Traveller Plus provides extra legroom and upgraded service in a dedicated cabin.

Virgin Atlantic

Virgin Atlantic's Upper Class offers lie-flat beds and a four-course meal for ultimate comfort.


Economy Delight offers extra legroom, priority boarding, and a free checked bag for added comfort.

Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

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
Andreas Spaeth

Andreas Spaeth

Expert on Air India

Andreas Spaeth

Andreas Spaeth

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 Leigh

Gabriel Leigh

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

Blane Bachelor

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to London. Price data was last updated on August 29, 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, November is the cheapest month in which you can book a flight from Indianapolis to London (average of $661). Flying from Indianapolis to London in June is currently the most expensive (average of $1,098). 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 septiembre 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 14% on flights from Indianapolis to London by exploring options for tickets in the afternoon.

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

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

Travelers seeking maximum savings on their Indianapolis to London flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

Washington, D.C. (IAD) – chosen by Cheapflights users on 45% 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.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $679.

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 Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 10h 17m.

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 Dublin (DUB) offer the fastest connection on this route, with an average layover 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 septiembre 11, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer 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.

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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. 7 airlines have flights to London from Indianapolis on a regular basis.

  • How long is the flight from Indianapolis to London?

    Airlines like Delta, SWISS, and Lufthansa fly from Indianapolis to London in about 10h 54m. The time it takes to get you to your destination can typically vary by up to 8h 41m. 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 Aer Lingus. Our recent data shows that you can find tickets from as low as $488 on this airline. Additional options worth looking into are American Airlines and Virgin Atlantic, starting at $488 and $531 round-trip. Users have found that Aer Lingus is 45% cheaper than the other options available to this destination.

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

  • Where are the most common layover locations when flying from Indianapolis to London?

  • What are some popular things to do or see while on a layover in Chicago?

    Magnificent Mile, River North, and Grant Park are the most popular attractions in Chicago if you're in need of something to do during your layover. Magnificent Mile, River North and Grant Park are located about 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl if you are interested in checking them out. Those landing in Chicago looking to spend some time exploring during their layover can rent a car for about $52 per day.

  • Where are the least popular layover locations for Indianapolis to London flights?

  • 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, November is the cheapest month in which you can book a flight from Indianapolis to London (average of $661). Flying from Indianapolis to London in June is currently the most expensive (average of $1,098). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Arundel

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 7 airlines flying from Indianapolis to London

Discover the top 7 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$488Average$885FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$488Average$950FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$531Average$843FlexibilityNo cancel feeOn-time72%
DeltaCheapest$531Average$933FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$571Average$839FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$580Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$680Average$973FlexibilityNo cancel feeOn-time69%

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