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$224+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
IND — LON
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Find cheap flights from Indianapolis to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Indianapolis to London are usually found in August or February, booked 36 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 May 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$704
(Ovago)

One-way from

$242
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$907
Provider with most accurate pricing for Indianapolis-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Indianapolis-London (LON) flights.
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From Indianapolis to London (LON)
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One-way flight from Indianapolis to London (LON)
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Highest demand for flights based on searches. 12% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 15, 2025.

This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:00 pmIND - LHR
2 stops16h 35mScandinavian Airlines
Sun 11/97:30 pmLHR - IND
2 stops30h 14mScandinavian Airlines
Deal found 5/15$704
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:20 amIND - LHR
1 stop17h 15mMultiple Airlines
Sun 11/98:55 amLHR - IND
2 stops17h 50mMultiple Airlines
Deal found 5/15$705
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:31 pmIND - LGW
1 stop12h 39mAmerican Airlines
Tue 8/263:05 pmLGW - IND
1 stop12h 57mAmerican Airlines
Deal found 5/14$705
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:00 pmIND - LHR
1 stop10h 50mBritish Airways
Fri 8/158:55 amLHR - IND
1 stop15h 49mBritish Airways
Deal found 5/15$708
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/310:50 amIND - LGW
2 stops18h 10mMultiple Airlines
Tue 6/102:00 pmLGW - IND
1 stop14h 59mMultiple Airlines
Deal found 5/14$709
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.
Fri 8/229:50 amIND - LHR
1 stop16h 05mUnited Airlines
Thu 8/289:30 amLHR - IND
2 stops32h 47mUnited Airlines
Deal found 5/15$724
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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.
Thu 9/44:15 pmIND - LGW
1 stop10h 55mBritish Airways
Tue 9/163:05 pmLGW - IND
1 stop12h 16mBritish Airways
Deal found 5/14$725
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.
Sat 11/1510:10 amIND - LHR
2 stops40h 00mAir Canada
Sat 11/227:25 pmLHR - IND
2 stops31h 20mAir Canada
Deal found 5/15$729
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:50 pmIND - LHR
1 stop12h 35mAer Lingus
Mon 8/259:50 amLHR - IND
1 stop13h 30mAer Lingus
Deal found 5/15$746
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/154:43 pmIND - LGW
2 stops44h 07mSWISS
Mon 8/256:35 pmLGW - IND
2 stops26h 57mSWISS
Deal found 5/15$753
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:59 pmIND - LGW
1 stop11h 01mDelta
Mon 8/2512:00 pmLGW - IND
1 stop14h 04mDelta
Deal found 5/15$755
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:41 amIND - LGW
2 stops17h 19mVirgin Atlantic
Mon 8/2512:00 pmLGW - IND
1 stop14h 04mVirgin Atlantic
Deal found 5/15$760

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 May 15, 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

Thu 6/5

7:20 am-8:20 pm

2 stops32h 00m

London Heathrow

Thu 6/12

9:25 pm-12:59 am

3 stops32h 34m

$704

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 8/13

2:31 pm-8:10 am

1 stop12h 39m

London Gatwick

Tue 8/26

3:05 pm-11:02 pm

1 stop12h 57m

$705

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 7/28

4:00 pm-7:50 am

1 stop10h 50m

London Heathrow

Fri 8/15

8:55 am-7:44 pm

1 stop15h 49m

$708

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Tue 6/3

10:50 am-10:00 am

2 stops18h 10m

London Gatwick

Tue 6/10

2:00 pm-11:59 pm

1 stop14h 59m

$709

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 8/13

6:11 pm-11:45 am

1 stop12h 34m

London Heathrow

Tue 8/26

9:30 am-1:17 pm

2 stops32h 47m

$723

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Tue 8/5

3:43 pm-8:10 am

1 stop11h 27m

London Gatwick

Fri 8/15

3:05 pm-11:02 pm

1 stop12h 57m

$747

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Tue 6/3

10:50 am-5:30 pm

3 stops25h 40m

London City

Tue 6/10

1:05 pm-6:37 pm

2 stops34h 32m

$764

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 7/28

10:20 am-8:35 am

1 stop17h 15m

London Heathrow

Fri 8/15

6:00 am-9:00 pm

2 stops20h 00m

$767

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Tue 8/5

11:05 am-10:00 am

2 stops17h 55m

London Gatwick

Fri 8/15

12:00 pm-11:57 pm

2 stops16h 57m

$776

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Wed 8/13

5:59 pm-10:00 am

1 stop11h 01m

London Gatwick

Tue 8/26

12:00 pm-11:59 pm

2 stops16h 59m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 51 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Indianapolis-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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 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.

Read more about British Airwaysby Gabriel Leigh
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.

Read more about Virgin Atlanticby Blane Bachelor
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
Our travel experts
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
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

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 May 9, 2025.

Booking 36 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 $1,100). 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 May 15, 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 May 15, 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS from Indianapolis to London. 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
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
SWISS
7.5
Good
1,595 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
Air France
7.4
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
8,731 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 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.

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

    Our cheapest airline available from Indianapolis to London is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $704 on this airline. Additional options worth looking into are American Airlines and British Airways, starting at $705 and $708 round-trip. Users have found that Scandinavian Airlines is 21% 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 British Airways, with whom users have recently found tickets for as low as $420. However, be on the lookout for offers from Aer Lingus and Delta, 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 City, Indianapolis - London Heathrow is the most popular route from Indianapolis to London.

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

    Flights departing from Indianapolis and landing in London layover in Chicago most frequently.

  • 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 $55 per day.

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

    Indianapolis to London flights have a layover in New York the least frequently.

  • 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 $1,100). 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 Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Hayes
Hounslow
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Gatwick
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Watford
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Alternative routes for Indianapolis to London

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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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$610Average$852FlexibilityNo cancel feeOn-time70%
IberiaCheapest$632Average$876FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$656Average$811FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$678Average$959FlexibilityNo cancel feeOn-time71%
DeltaCheapest$697Average$944FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$715Average$962FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$739Average$878FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$768Average$949FlexibilityNo cancel feeOn-timeN/A

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