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

Our cheapest airline available from Indianapolis to London is Delta. Our recent data shows that you can find tickets from as low as $705 on this airline. Additional options worth looking into are Iberia and Virgin Atlantic, starting at $706 and $707 round-trip. Users have found that Delta is 22% 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 Lufthansa, with whom users have recently found tickets for as low as $468. However, be on the lookout for offers from Delta and Aer Lingus, 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.

What are the most popular airlines that fly from Indianapolis to London?

When booking a flight from Indianapolis to London, you may want to consider flying on American Airlines, Air Canada or British Airways as they are the most popular for this route.

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.

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.

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

Magnificent Mile, Grant Park, and River North are the most popular attractions in Chicago if you're in need of something to do during your layover. Magnificent Mile, Grant Park and River North are located about 15.5 mi, 16.2 mi, and 15.0 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.

What is the cheapest day to fly round-trip from Indianapolis to London?

Users have found that flying from Indianapolis to London on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Users have found that booking a flight from Indianapolis to London at least 37 days early can save you up to 11% on average compared to booking a flight this week. If booking 37 days before your flight isn’t an option for you, users have found flights from Indianapolis to London for as little as $724 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $754 for flights departing within the next 3 days.

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

The best pricing can be found in the month of February. Prices to London from Indianapolis average $904. You can even find prices in February for less than $904, as users have found deals to London from as low as $682. The month of June appears to be one of the more expensive times to travel to London from Indianapolis. Flying in the targeted month can save you up to 31%.

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.

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.

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.

$323+ Flights from Indianapolis to London

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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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Indianapolis to London are usually found in February or August, booked 36 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Indianapolis to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$705 (Delta)
One-way from	$323 (CheapOair)
Popular in	June
Cheapest in	February
Average price	$907

Provider with most accurate pricing for Indianapolis-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Indianapolis-London (LON) flights.

Search Deals

From Indianapolis to London (LON)

Search Deals

One-way flight from Indianapolis to London (LON)

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($154 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 1, 2025.

Tue 10/2112:05 pmIND - LHR

2 stops15h 45mDelta

Fri 11/76:20 amLHR - IND

2 stops16h 04mDelta

Deal found 4/29

$704

Mon 7/284:13 pmIND - LHR

1 stop10h 32mIberia

Fri 8/1511:05 amLHR - IND

1 stop12h 44mIberia

Deal found 4/30

$706

Wed 8/202:31 pmIND - LGW

1 stop12h 39mAmerican Airlines

Tue 8/263:05 pmLGW - IND

1 stop12h 57mAmerican Airlines

Deal found 4/29

$706

Mon 7/281:58 pmIND - LGW

2 stops15h 02mVirgin Atlantic

Fri 8/1512:00 pmLGW - IND

1 stop14h 04mVirgin Atlantic

Deal found 4/30

$707

Mon 9/226:28 pmIND - LHR

1 stop10h 52mBritish Airways

Mon 10/68:15 pmLHR - IND

2 stops26h 21mBritish Airways

Deal found 4/30

$709

Tue 10/216:05 amIND - LHR

2 stops22h 15mScandinavian Airlines

Sun 11/96:40 pmLHR - IND

2 stops31h 04mScandinavian Airlines

Deal found 4/29

$712

Mon 9/224:15 pmIND - LGW

1 stop10h 55mBritish Airways

Mon 10/63:05 pmLGW - IND

1 stop12h 24mBritish Airways

Deal found 4/30

$716

Fri 8/225:59 pmIND - LGW

1 stop11h 01mDelta

Thu 8/2812:00 pmLGW - IND

2 stops16h 59mDelta

Deal found 4/29

$720

Tue 10/149:40 amIND - LHR

1 stop16h 15mUnited Airlines

Fri 10/242:05 pmLHR - IND

2 stops25h 57mUnited Airlines

Deal found 4/30

$725

Sun 5/181:15 pmIND - LGW

1 stop15h 55mMultiple Airlines

Fri 5/232:00 pmLGW - IND

1 stop14h 59mMultiple Airlines

Deal found 4/29

$725

Wed 10/2212:14 pmIND - LHR

2 stops13h 16mMultiple Airlines

Fri 11/78:55 amLHR - IND

2 stops17h 50mMultiple Airlines

Deal found 4/30

$726

Tue 10/2110:20 amIND - LHR

1 stop18h 40mAir Canada

Mon 11/107:25 pmLHR - IND

2 stops31h 20mAir Canada

Deal found 4/30

$731

Best flights from Indianapolis to London
Discover carefully curated flight deals from Indianapolis to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Tue 10/212:00 pmIND - LHR

2 stops13h 50mDelta

Tue 11/116:20 amLHR - IND

2 stops16h 04mDelta

Deal found 4/30

$705

Mon 7/284:13 pmIND - LHR

1 stop10h 32mIberia

Fri 8/1511:05 amLHR - IND

1 stop12h 44mIberia

Deal found 4/30

$706

Mon 7/281:58 pmIND - LGW

2 stops15h 02mVirgin Atlantic

Fri 8/1512:00 pmLGW - IND

1 stop14h 04mVirgin Atlantic

Deal found 4/30

$707

Mon 9/227:50 pmIND - LHR

1 stop10h 20mAer Lingus

Mon 10/612:00 pmLHR - IND

1 stop11h 20mAer Lingus

Deal found 4/30

$708

Mon 9/226:28 pmIND - LHR

1 stop10h 52mBritish Airways

Mon 10/68:15 pmLHR - IND

2 stops26h 21mBritish Airways

Deal found 4/30

$709

Tue 10/216:05 amIND - LHR

2 stops22h 15mScandinavian Airlines

Sun 11/96:40 pmLHR - IND

2 stops31h 04mScandinavian Airlines

Deal found 4/30

$713

Sun 9/76:00 amIND - LHR

2 stops19h 30mAir Canada

Wed 9/242:05 pmLHR - IND

2 stops30h 24mAir Canada

Deal found 4/30

$725

Wed 10/2212:14 pmIND - LHR

2 stops13h 16mMultiple Airlines

Fri 11/78:55 amLHR - IND

2 stops17h 50mMultiple Airlines

Deal found 4/30

$726

Sun 9/77:35 pmIND - LHR

1 stop10h 05mUnited Airlines

Wed 9/248:30 amLHR - IND

1 stop17h 31mUnited Airlines

Deal found 4/30

$745

Sun 9/72:20 pmIND - LHR

2 stops20h 20mLufthansa

Thu 9/256:30 amLHR - IND

2 stops14h 58mLufthansa

Deal found 4/30

$761

Fri 8/152:31 pmIND - LGW

1 stop12h 39mAmerican Airlines

Sat 8/233:05 pmLGW - IND

1 stop12h 57mAmerican Airlines

Deal found 4/29

$766

Thu 8/284:40 pmIND - LGW

2 stops20h 10mSWISS

Mon 9/16:35 pmLGW - IND

2 stops26h 57mSWISS

Deal found 4/30

$857

Last-minute flights from Indianapolis to London
Discover last-minute flight deals from Indianapolis to London. Data last updated May 1, 2025 and is based on user searches.

Mon 5/55:35 amIND - LGW

3 stops25h 10mMultiple Airlines

Wed 5/72:00 pmLGW - IND

2 stops23h 15mMultiple Airlines

Deal found 4/29

$748

Mon 5/52:36 pmIND - LHR

2 stops34h 59mMultiple Airlines

Mon 5/126:00 amLHR - IND

2 stops34h 10mMultiple Airlines

Deal found 4/29

$841

Mon 5/512:21 pmIND - LGW

2 stops17h 29mIberia

Mon 5/128:40 pmLGW - IND

2 stops27h 10mIberia

Deal found 4/29

$846

Mon 5/55:35 amIND - LCY

3 stops30h 40mMultiple Airlines

Mon 5/128:10 amLCY - IND

2 stops32h 00mMultiple Airlines

Deal found 4/29

$862

Mon 5/512:43 pmIND - LGW

1 stop14h 27mBritish Airways

Sun 5/112:45 pmLGW - IND

1 stop32h 30mBritish Airways

Deal found 4/30

$878

Mon 5/54:05 pmIND - LHR

2 stops14h 45mAir Canada

Mon 5/127:30 pmLHR - IND

2 stops30h 29mAir Canada

Deal found 4/29

$925

Mon 5/57:15 amIND - LHR

1 stop23h 30mUnited Airlines

Mon 5/125:40 pmLHR - IND

1 stop32h 19mUnited Airlines

Deal found 4/28

$972

Mon 5/56:18 pmIND - LCY

2 stops17h 07mLufthansa

Mon 5/127:10 pmLCY - IND

2 stops28h 50mLufthansa

Deal found 4/28

$1,008

Tue 5/65:35 amIND - STN

3 stops24h 05mMultiple Airlines

Sat 5/1011:40 amSTN - IND

3 stops35h 29mMultiple Airlines

Deal found 4/29

$877

Wed 5/74:49 pmIND - LHR

2 stops13h 36mDelta

Wed 5/146:15 amLHR - IND

2 stops16h 04mDelta

Deal found 4/29

$854

Wed 5/73:47 pmIND - LHR

1 stop13h 43mIberia

Wed 5/1412:15 pmLHR - IND

1 stop11h 35mIberia

Deal found 4/29

$858

Sat 5/105:47 amIND - LHR

1 stop10h 53mAmerican Airlines

Fri 5/161:10 pmLHR - IND

1 stop12h 58mAmerican Airlines

Deal found 4/29

$988

One-way flights from Indianapolis to London
Search for one-way flight options from Indianapolis to London. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 6/241:03 pmIND - LGW

1 stop15h 57mMultiple Airlines

Deal found 4/29

$323

Wed 6/117:59 pmIND - LHR

2 stops37h 16mMultiple Airlines

Deal found 4/29

$384

Mon 9/224:45 pmIND - STN

2 stops21h 15mLufthansa

Deal found 4/29

$468

Wed 7/91:58 pmIND - LHR

2 stops13h 52mDelta

Deal found 4/30

$479

Sun 7/65:45 pmIND - LGW

1 stop11h 15mDelta

Deal found 4/29

$479

Sat 6/146:00 amIND - STN

3 stops44h 25mMultiple Airlines

Deal found 4/30

$487

Sat 5/107:50 pmIND - LHR

1 stop12h 35mAer Lingus

Deal found 4/29

$523

Wed 5/147:20 pmIND - LHR

1 stop11h 55mIberia

Deal found 4/29

$549

Wed 7/94:43 pmIND - LCY

2 stops21h 02mSWISS

Deal found 4/29

$564

Sat 6/146:00 amIND - LCY

3 stops45h 00mMultiple Airlines

Deal found 4/30

$591

Wed 5/145:47 amIND - LGW

1 stop21h 23mBritish Airways

Deal found 4/29

$591

Wed 5/141:07 pmIND - LCY

2 stops17h 23mBritish Airways

Deal found 4/29

$618

Cheapflights Fare Finder

Use the filters below to find and compare flights from Indianapolis to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Mon 7/28

4:13 pm-7:45 am

1 stop10h 32m

London Heathrow

Fri 8/15

11:05 am-6:49 pm

1 stop12h 44m

$706

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 7/28

1:58 pm-10:00 am

2 stops15h 02m

London Gatwick

Fri 8/15

12:00 pm-9:04 pm

1 stop14h 04m

$707

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Sun 5/18

1:15 pm-10:10 am

1 stop15h 55m

London Gatwick

Fri 5/23

2:00 pm-11:59 pm

1 stop14h 59m

$725

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 7/27

10:30 am-9:35 am

1 stop18h 05m

London Heathrow

Mon 8/18

8:40 am-4:32 pm

2 stops36h 52m

$732

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Sun 7/27

1:06 pm-11:30 am

2 stops17h 24m

London City

Mon 8/18

8:40 am-9:03 pm

2 stops41h 23m

$756

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Sun 7/27

4:03 pm-7:20 am

1 stop10h 17m

London Heathrow

Mon 8/18

8:55 am-7:44 pm

1 stop15h 49m

$772

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 5/5

12:21 pm-10:50 am

2 stops17h 29m

London Gatwick

Mon 5/12

8:40 pm-6:50 pm

2 stops27h 10m

$846

IndianapolisLondon

IND - LHR

INDLHR

Indianapolis

Wed 5/7

4:49 pm-11:25 am

2 stops13h 36m

London Heathrow

Wed 5/14

6:15 am-5:19 pm

2 stops16h 04m

$854

IndianapolisLondon

IND - LCY

INDLCY

Indianapolis

Mon 5/5

5:35 am-5:15 pm

3 stops30h 40m

London City

Mon 5/12

8:10 am-11:10 am

2 stops32h 00m

$862

IndianapolisLondon

IND - LGW

INDLGW

Indianapolis

Mon 5/5

12:43 pm-8:10 am

1 stop14h 27m

London Gatwick

Sun 5/11

2:45 pm-6:15 pm

1 stop32h 30m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 49 results

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Compare providers for flights from Indianapolis to London

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust 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

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

Expert on Air India

Gabriel Leigh

Expert on British Airways

Blane Bachelor

Expert on Virgin Atlantic

Jessica Macdonald

Expert on Air Canada

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?

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 $1,103). 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?

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?

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

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

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

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

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

643 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 Delta. Our recent data shows that you can find tickets from as low as $705 on this airline. Additional options worth looking into are Iberia and Virgin Atlantic, starting at $706 and $707 round-trip. Users have found that Delta is 22% 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 Lufthansa, with whom users have recently found tickets for as low as $468. However, be on the lookout for offers from Delta and Aer Lingus, 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, Grant Park, and River North are the most popular attractions in Chicago if you're in need of something to do during your layover. Magnificent Mile, Grant Park and River North are located about 15.5 mi, 16.2 mi, and 15.0 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 $1,103). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Indianapolis to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$610	Average$854	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$632	Average$883	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$656	Average$811	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$678	Average$965	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$697	Average$967	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$727	Average$1,002	FlexibilityNo cancel fee	On-time69%
Virgin Atlantic	Cheapest$739	Average$906	FlexibilityNo cancel fee	On-time72%
Aer Lingus	Cheapest$768	Average$949	FlexibilityNo cancel fee	On-timeN/A

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$323+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Indianapolis to London are usually found in February or August, booked 36 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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Find flight deals from Indianapolis to London

Cheapest flights from Indianapolis to LondonExplore 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 1, 2025.

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 1, 2025.

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Use the filters below to find and compare flights from Indianapolis to London that are best for you.

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.

The best insider tips for Indianapolis to London flights

Cheapflights partnered with top experts to bring you the best recommendations for your Indianapolis to London trip

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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.

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 April 25, 2025.

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

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 1, 2025.

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.

Rainfall in London by month

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

Temperature in London by month

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

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 1, 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.

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?

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

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

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?

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?

How can I find direct flights from Indianapolis to London?

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

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

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Alternative routes for Indianapolis to London

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Top 8 airlines flying from Indianapolis to London

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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 1, 2025.