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$329+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LHR
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
1 adult, Economy
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Cheap 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 May 20, 2026.

This Delta deal was found by Cheapflights users on 5/18. 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 7/812:52 pm
IND
-
LHR
1 stop14h 58m
Delta
Wed 7/156:30 am
LHR
-
IND
2 stops16h 57m
Delta
Deal found 5/18$1,062
This United Airlines deal was found by Cheapflights users on 5/15. 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 7/810:55 am
IND
-
LHR
1 stop15h 20m
United Airlines
Wed 7/156:50 am
LHR
-
IND
2 stops22h 09m
United Airlines
Deal found 5/15$1,063
This Air Canada deal was found by Cheapflights users on 5/16. 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 5/199:28 am
IND
-
LHR
2 stops16h 02m
Air Canada
Thu 5/285:40 pm
LHR
-
IND
2 stops27h 50m
Air Canada
Deal found 5/16$1,064
This CheapOair deal was found by Cheapflights users on 5/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:03 pm
IND
-
LHR
2 stops32h 57m
Multiple Airlines
Mon 5/259:05 am
LHR
-
IND
2 stops39h 11m
Multiple Airlines
Deal found 5/17$1,065
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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.
Sun 5/174:25 pm
IND
-
LHR
2 stops19h 40m
Lufthansa
Tue 5/269:30 am
LHR
-
IND
2 stops16h 09m
Lufthansa
Deal found 5/16$1,066
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 7/84:25 pm
IND
-
LHR
1 stop14h 25m
Lufthansa
Wed 7/158:30 am
LHR
-
IND
1 stop17h 14m
Lufthansa
Deal found 5/18$1,069
This Air Canada deal was found by Cheapflights users on 5/15. 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.
Mon 5/182:30 pm
IND
-
LHR
2 stops13h 05m
Air Canada
Fri 6/55:40 pm
LHR
-
IND
2 stops26h 34m
Air Canada
Deal found 5/15$1,070
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:25 pm
IND
-
LHR
1 stop12h 10m
Multiple Airlines
Mon 7/138:05 pm
LHR
-
IND
2 stops49h 25m
Multiple Airlines
Deal found 5/17$1,072
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Sun 5/177:28 pm
IND
-
LHR
2 stops33h 32m
United Airlines
Tue 5/268:30 am
LHR
-
IND
1 stop12h 09m
United Airlines
Deal found 5/17$1,073
This United Airlines deal was found by Cheapflights users on 5/16. 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 5/1912:47 pm
IND
-
LHR
1 stop12h 58m
United Airlines
Fri 5/298:30 am
LHR
-
IND
1 stop12h 09m
United Airlines
Deal found 5/16$1,074

Find 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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(Delta)

One-way from

$329
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$890
Provider with most accurate pricing for Indianapolis-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-London Heathrow flights.
Search Deals
From Indianapolis to London Heathrow
Search Deals
One-way flight from Indianapolis to London Heathrow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($222 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 20, 2026.
Use the filters below to find and compare flights from Indianapolis to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 7/8

12:52 pm-8:50 am

1 stop14h 58m

London Heathrow

Wed 7/15

6:30 am-6:27 pm

2 stops16h 57m

$1,062

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 7/4

10:54 am-8:40 pm

1 stop28h 46m

London Heathrow

Tue 7/14

6:50 am-11:59 pm

2 stops22h 09m

$1,068

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 7/2

3:50 pm-9:25 pm

1 stop24h 35m

London Heathrow

Wed 7/8

6:50 am-4:30 pm

2 stops14h 40m

$1,129

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 7/9

3:50 pm-7:15 am

1 stop10h 25m

London Heathrow

Mon 7/13

11:05 am-7:16 pm

2 stops37h 11m

$1,136

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 8/6

10:13 am-7:10 am

2 stops15h 57m

London Heathrow

Mon 8/10

9:55 am-9:27 pm

2 stops16h 32m

$1,162

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 8/1

5:48 pm-12:05 pm

2 stops13h 17m

London Heathrow

Sat 8/8

6:15 am-5:08 pm

2 stops15h 53m

$1,171

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sat 7/4

4:32 pm-11:20 am

1 stop13h 48m

London Heathrow

Sat 7/11

8:20 am-4:30 pm

1 stop13h 10m

$1,219

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Thu 7/2

4:25 pm-6:45 am

1 stop33h 20m

London Heathrow

Sat 7/11

8:00 am-4:30 pm

1 stop13h 30m

$1,227

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 6/3

12:54 pm-7:15 am

1 stop13h 21m

London Heathrow

Wed 6/10

6:30 am-5:20 pm

2 stops15h 50m

$1,252
Quickest round-trip

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 6/3

3:59 pm-7:10 am

1 stop10h 11m

London Heathrow

Wed 6/17

6:30 am-5:35 pm

2 stops16h 05m

$1,255

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Indianapolis to Heathrow

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 Heathrow in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*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 Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Heathrow Airport 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 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?

To ensure you get the cheapest price possible for a flight from Indianapolis to London Heathrow Airport, you should look to book at least 4 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, September is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of $648). Flying from Indianapolis to London Heathrow Airport in June is currently the most expensive (average of $1,253). 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 Heathrow Airport?

The best insider tips for Indianapolis to London Heathrow Airport 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 Heathrow Airport trip
Our travel experts
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
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

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 May 20, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAer Lingus 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
7.9
Good
8,454 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

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
7.9
Good
8,454 reviews
Delta
7.9
Good
8,454 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

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
9,736 reviews
Delta
7.9
Good
8,454 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

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
1,571 reviews
Delta
7.9
Good
8,454 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

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
11,641 reviews
Delta
7.9
Good
8,454 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

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
7,989 reviews
Delta
7.9
Good
8,454 reviews

Boarding

8.1

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

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 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 8 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 14h 58m. Fly via Delta or United Airlines to get the fastest option. The distance from Indianapolis to London Heathrow Airport is about 3983 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Delta. Our recent data shows that you can find tickets from as low as $229 on this airline. Additional options worth looking into are British Airways and Virgin Atlantic, starting at $510 and $531 round-trip. Users have found that Delta is 72% cheaper than the other options available to this destination.

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

    $214 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on American Airlines and British Airways, with prices starting from $226 and $226, respectively.

  • 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, September is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of $648). Flying from Indianapolis to London Heathrow Airport in June is currently the most expensive (average of $1,253). 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Indianapolis to Heathrow

Discover the top 8 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 May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$799FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$510Average$738FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$531Average$1,037FlexibilityNo cancel feeOn-time72%
IberiaCheapest$532Average$686FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$598Average$797FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$601Average$883FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$633Average$983FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$741Average$921FlexibilityNo cancel feeOn-time76%

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