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$242+ Cheap flights from Indianapolis (IND) to Heathrow (LHR)

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 — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Indianapolis to London Heathrow are usually found in October or September, booked 36 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Indianapolis to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Heathrow (LHR). 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 September 11, 2025.

Round-trip from

$521
(United Airlines)

One-way from

$242
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$780
From Indianapolis to London Heathrow
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One-way flight from Indianapolis to London Heathrow
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Highest demand for flights based on searches. 15% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Indianapolis to Heathrow

Cheapest flights from Indianapolis to Heathrow
Explore the most affordable flight options available from Indianapolis to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 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.
Wed 11/122:37 pmIND - LHR
1 stop15h 13mUnited Airlines
Wed 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.
Wed 11/126:00 amIND - LHR
2 stops20h 10mAir Canada
Wed 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.
Sun 11/24:48 pmIND - LHR
1 stop11h 12mDelta
Fri 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.
Tue 10/75:35 pmIND - LHR
1 stop11h 55mDelta
Tue 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.
Sun 10/512:16 pmIND - LHR
1 stop13h 59mDelta
Thu 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.
Wed 11/125:03 amIND - LHR
1 stop9h 57mBritish Airways
Wed 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.
Wed 10/222:08 pmIND - LHR
2 stops13h 42mDelta
Tue 10/2811:30 amLHR - IND
2 stops16h 52mDelta
Deal found 9/10$528
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.
Tue 10/72:08 pmIND - LHR
2 stops13h 42mDelta
Tue 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.
Tue 10/710:20 amIND - LHR
1 stop15h 15mAir Canada
Wed 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.
Tue 11/42:11 pmIND - LHR
1 stop11h 14mDelta
Fri 11/1412:40 pmLHR - IND
1 stop13h 06mDelta
Deal found 9/10$532
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:20 amIND - LHR
2 stops29h 40mUnited Airlines
Fri 10/242:10 pmLHR - IND
1 stop12h 46mUnited Airlines
Deal found 9/9$533

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indianapolis to Heathrow 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 September 11, 2025.
Use the filters below to find and compare flights from Indianapolis to London Heathrow Airport that are best for you.

Fly from

Indianapolis

Fly to

Heathrow

Route

Depart

Return

Price

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 10/22

6:06 pm-10:00 am

1 stop10h 54m

London Heathrow

Tue 10/28

9:00 am-9:43 pm

2 stops16h 43m

$524

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 10/27

10:33 am-8:45 am

1 stop18h 12m

London Heathrow

Wed 11/12

6:30 am-5:29 pm

2 stops15h 59m

$525

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 10/5

8:15 am-7:15 am

1 stop18h 00m

London Heathrow

Tue 10/14

8:40 am-6:54 pm

2 stops15h 14m

$526

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Tue 10/7

2:08 pm-8:50 am

2 stops13h 42m

London Heathrow

Tue 10/14

8:40 am-6:54 pm

2 stops15h 14m

$530

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 10/22

2:11 pm-6:45 am

1 stop11h 34m

London Heathrow

Tue 10/28

8:55 am-5:46 pm

1 stop12h 51m

$532

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 2/18

11:42 am-5:55 am

1 stop13h 13m

London Heathrow

Mon 2/23

11:05 am-11:48 pm

2 stops41h 43m

$534

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 11/13

7:35 pm-10:50 am

1 stop10h 15m

London Heathrow

Tue 11/18

1:25 pm-1:12 pm

2 stops28h 47m

$559

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 11/14

12:38 pm-7:55 am

1 stop14h 17m

London Heathrow

Wed 11/19

1:25 pm-3:43 pm

2 stops31h 18m

$559

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Fri 9/26

10:05 am-6:55 am

1 stop15h 50m

London Heathrow

Wed 10/1

2:05 pm-11:17 am

2 stops26h 12m

$559

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 11/17

6:00 am-9:20 pm

1 stop10h 20m

London Heathrow

Sun 11/23

6:50 am-4:20 pm

2 stops14h 30m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
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The best insider tips for Indianapolis to London Heathrow Airport 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 Heathrow Airport trip
Airlines
Air Canada

Air Canada's Signature Class offers lie-flat seats and gourmet meals, perfect for long-haul flights.


Air Canada provides complimentary meals for all classes on international flights, enhancing travel experience.

Read more about Air Canadaby Jessica Macdonald
Air India

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


Air India's A350 aircraft provide 38-inch seat pitch in Premium Economy, ideal for long flights.

Read more about Air Indiaby Andreas Spaeth
British Airways

BA's Club Suite offers privacy with solo pods and a door, enhancing business class comfort.


BA's World Traveller Plus provides extra legroom and upgraded service, ideal for long-haul comfort.

Read more about British Airwaysby Gabriel Leigh
Virgin Atlantic

Virgin Atlantic's Economy Delight offers extra legroom and priority boarding, enhancing travel comfort.


Virgin Atlantic's Upper Class includes lie-flat beds and a four-course meal, ideal for luxury travel.

Read more about Virgin Atlanticby Blane Bachelor
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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to Heathrow. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Indianapolis to London Heathrow Airport, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of $661). Flying from Indianapolis to London Heathrow Airport 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 LHR?

Find hourly flight availability from Indianapolis to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Indianapolis to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 14% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Indianapolis to Heathrow. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Indianapolis to London Heathrow Airport 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.

How much does it cost to fly round-trip from Indianapolis to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Indianapolis to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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!
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 Heathrow. 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 Heathrow?

    If you book a flight to London Heathrow from Indianapolis, you will be flying from Indianapolis, which is the city’s only airport. Indianapolis (IND) is located 8.3 mi from the center of Indianapolis. There are 0 flights from Indianapolis to London Heathrow per day from 7 different airlines.

  • How long is the flight from Indianapolis to London Heathrow Airport?

    There are many flights that can get you from Indianapolis to London Heathrow Airport in 10h 54m. Fly via Delta to get the fastest option. The distance from Indianapolis to London Heathrow Airport is about 3983 mi.

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

    Our cheapest airline available from Indianapolis to London Heathrow Airport 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 Delta and Virgin Atlantic, starting at $531 and $531 round-trip. Users have found that Aer Lingus is 45% cheaper than the other options available to this destination.

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

    Of the flights from Indianapolis to London Heathrow Airport that have layovers, most of them stop in Chicago.

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

    If you're on a layover in Chicago and looking for things to do, consider visiting Magnificent Mile, River North, or Grant Park. Those on a layover in Chicago interested in visiting Magnificent Mile, River North, or Grant Park can do so by traveling 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. 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 Heathrow Airport flights?

    Indianapolis to London Heathrow Airport flights that have layovers will least frequently stop in New York.

  • Can I find deals for flights from Indianapolis to Heathrow that include hotel bookings?

    Yes. In addition to deals on Indianapolis to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indianapolis to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indianapolis to Heathrow.

  • Can I find deals for business class flights from Indianapolis to Heathrow?

    Yes. Cheapflights offers flight deals from Indianapolis to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of $661). Flying from Indianapolis to London Heathrow Airport 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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Alternative routes for Indianapolis to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Indianapolis to Heathrow

Discover the top 7 airlines that operate flights from Indianapolis to Heathrow. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$488Average$885FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$531Average$843FlexibilityNo cancel feeOn-time72%
DeltaCheapest$531Average$933FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$571Average$839FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$580Average$880FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$622Average$964FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$680Average$973FlexibilityNo cancel feeOn-time69%

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