Cheap flights from Indianapolis to London from $215
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 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Indianapolis to London
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Iberia flights from Indianapolis to London
Our best Iberia deals on Indianapolis to London flight tickets
United Airlines flights from Indianapolis to London
Our best United Airlines deals on Indianapolis to London flight tickets
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?
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 $769, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Indianapolis averaging around $772.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Indianapolis to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $938. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,010. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Indianapolis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,018. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Indianapolis when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to London for around $911 when searching 18 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 $830 on momondo.
What is the cheapest airline that flies from Indianapolis to London?
Aer Lingus, Delta, and SWISS are the most popular carriers operating from Indianapolis to London
What airlines fly to London?
British Airways, American Airlines and Iberia 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 43% of people opting to fly with this airline when traveling to London. Keep in mind that there are 9 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
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
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 9h 57m.
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 April 2025, 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 33% of the total bookings. Other popular airlines include British Airways with 33%, United Airlines with 11%, and Iberia with 7%.
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 $610 | Free Cancellation | Rating 6.6 6,793 reviews | |||
| PriceFrom $632 | Free Cancellation | Rating 7.0 2,682 reviews | |||
| PriceFrom $656 | Free Cancellation | Rating 7.0 9,179 reviews | |||
| PriceFrom $678 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $696 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $725 | Free Cancellation | Rating 7.4 8,684 reviews | |||
| PriceFrom $739 | Free Cancellation | Rating 7.4 642 reviews | |||
| PriceFrom $768 | Free Cancellation | Rating 7.0 1,067 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.