Cheap flights from Indianapolis to London from $319
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to London departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Tue 3/2
8:05 pm-7:10 am
2 stops30h 05m
London Heathrow
Fri 3/5
6:50 am-4:15 pm
2 stops14h 25m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Tue 3/2
8:05 pm-7:10 am
2 stops30h 05m
London Heathrow
Fri 3/5
6:50 am-4:15 pm
2 stops14h 25m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Sun 3/14
7:44 pm-6:40 am
1 stop30h 56m
London Heathrow
Wed 3/17
6:00 am-11:41 pm
2 stops21h 41m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Sat 12/5
8:40 pm-2:25 pm
1 stop12h 45m
London Heathrow
Wed 12/9
9:50 am-7:05 pm
1 stop14h 15m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Mon 11/9
8:35 pm-1:25 pm
1 stop11h 50m
London Heathrow
Wed 11/25
9:50 am-7:05 pm
1 stop14h 15m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Mon 1/11
4:43 pm-11:15 am
2 stops37h 32m
London Heathrow
Thu 1/14
9:00 am-6:56 pm
2 stops38h 56m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Mon 3/22
12:18 pm-7:00 am
1 stop14h 42m
London Heathrow
Fri 4/16
7:50 am-9:34 pm
2 stops18h 44m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Mon 3/22
12:18 pm-11:55 am
2 stops19h 37m
London Heathrow
Fri 4/16
7:50 am-9:34 pm
2 stops18h 44m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Wed 11/4
7:45 pm-3:50 pm
2 stops15h 05m
London Heathrow
Wed 11/11
7:40 am-10:14 pm
2 stops19h 34m
IndianapolisLondon
IND Indianapolis - LHR London Heathrow
INDLHR
Indianapolis
Mon 12/7
3:10 pm-3:50 pm
2 stops19h 40m
London Heathrow
Thu 12/17
6:35 am-10:04 pm
2 stops20h 29m
See travel insights to London from
How to get the cheapest flight ticket from Indianapolis to London
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Indianapolis and London?
Prices are currently typical for flights on this route.
Typical prices usually range from $704 to $993.The lowest price recently found on this route was $776.
What is the cheapest month to fly to London?
The cheapest month to fly to London from Indianapolis is in February. Flight prices, which tend to average around $710, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Indianapolis averaging around $764.
How far in advance should I book a flight from Indianapolis to London?
You are more likely to see cheaper flights to London from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $914 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Indianapolis for as low as $779 on momondo.
Can stopping save me money on Indianapolis to London flights?
You could potentially save up to 27% on your flight if you consider stops on a Indianapolis to London flight.
How have Indianapolis to London flight prices changed over time?
As of October 2026, prices for Indianapolis to London flights are approximately 1% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Indianapolis to London?
Virgin Atlantic, Aer Lingus, and British Airways are the most popular carriers operating from Indianapolis to London
What airlines fly to London?
British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London from Indianapolis according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Indianapolis and London?
Dublin (DUB) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Indianapolis to London?
Flights via New York (JFK) offer the lowest average round-trip price of $577.
Which layover airport has the shortest travel time from Indianapolis to London?
Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 9h 58m.
Which layover airport has the shortest connection time from Indianapolis to London?
Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 13m.
When to book flights from Indianapolis to London
Cheap Indianapolis to London (IND to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Indianapolis to London
Frequently asked questions about flying from Indianapolis to London
How far is Indianapolis to London by plane?
The straight-line distance from Indianapolis to London is 3986.9 mi. A reasonable flight in good conditions will take 10h 12m.
When did momondo last update prices for flights from Indianapolis Airport to London?
Prices for flights from Indianapolis Airport to London refresh daily.
How many operators does momondo search for flights from Indianapolis Airport to London?
As of October 2026, there are 8 operators available to choose from for flights from Indianapolis Airport to London.
How old do you have to be to fly from Indianapolis Airport to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indianapolis Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Indianapolis to London?
Based on momondo bookings for flights between Indianapolis and London, the leading airline is American Airlines, making up 21% of the total bookings. Other popular airlines include Aer Lingus with 19%, United Airlines with 17%, and British Airways with 13%.
Best airlines flying from Indianapolis to London
Compare and see reviews for airlines that fly from Indianapolis to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $454 | Free Cancellation | Rating 7.4 693 reviews | |||
| PriceFrom $630 | Free Cancellation | Rating 7.0 12,127 reviews | |||
| PriceFrom $650 | Free Cancellation | Rating 6.7 8,245 reviews | |||
| PriceFrom $656 | Free Cancellation | Rating 7.4 10,289 reviews | |||
| PriceFrom $663 | Free Cancellation | Rating 7.8 8,634 reviews | |||
| PriceFrom $677 | Free Cancellation | Rating 7.3 1,818 reviews | |||
| PriceFrom $686 | Free Cancellation | Rating 7.0 3,257 reviews | |||
| PriceFrom $741 | Free Cancellation | Rating 6.8 8,263 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Indianapolis to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Indianapolis to London for you.
Can I find flights from Indianapolis to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Indianapolis with this policy.
How can momondo help me find flights from Indianapolis to London?
momondo provides multiple filters to help you find the best flight to London from Indianapolis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Indianapolis to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Indianapolis to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.