Air Canada's Signature Class offers lie-flat seats and gourmet meals, perfect for long-haul flights.
Air Canada provides complimentary meals for all classes on international flights, enhancing travel experience.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | Gurufare 3 stars |
Round-trip from | $576 (Kiwi.com) |
One-way from | $287 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $961 |
Fly from
Fly to
Route
Depart
Return
Price
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Wed 2/18
12:24 pm-4:00 pm
2 stops22h 36m
London Heathrow
Sat 2/28
6:40 am-8:54 pm
2 stops19h 14m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Mon 2/23
12:24 pm-9:20 am
2 stops15h 56m
London Heathrow
Mon 3/2
6:40 am-9:06 pm
2 stops19h 26m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Sun 1/25
6:40 am-4:00 pm
2 stops28h 20m
London Heathrow
Fri 1/30
6:40 am-9:09 pm
2 stops19h 29m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Wed 2/25
6:34 pm-3:50 pm
2 stops16h 16m
London Heathrow
Wed 3/4
7:40 am-6:57 pm
2 stops16h 17m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Mon 3/9
6:26 pm-9:10 am
1 stop10h 44m
London Heathrow
Sun 3/15
7:30 pm-8:10 pm
2 stops28h 40m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Mon 1/26
12:25 pm-7:55 am
1 stop14h 30m
London Heathrow
Mon 2/2
6:50 am-7:02 pm
2 stops17h 12m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Thu 2/5
11:25 am-5:55 am
1 stop13h 30m
London Heathrow
Tue 2/10
6:50 am-4:37 pm
2 stops14h 47m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Wed 2/18
12:37 pm-9:20 am
2 stops15h 43m
London Heathrow
Sun 2/22
6:50 am-4:49 pm
2 stops14h 59m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Fri 3/6
3:42 pm-8:45 am
1 stop12h 03m
London Heathrow
Sat 3/14
6:30 am-8:48 pm
2 stops18h 18m
IndianapolisLondon
IND - LHR
INDLHR
Indianapolis
Sun 1/25
11:41 am-6:25 am
1 stop13h 44m
London Heathrow
Sat 2/14
6:30 am-7:42 pm
2 stops18h 12m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Indianapolis to London Heathrow Airport, you should look to book at least 16 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.
Currently, October is the cheapest month in which you can book a flight from Indianapolis to London Heathrow Airport (average of $491). Flying from Indianapolis to London Heathrow Airport in June is currently the most expensive (average of $887). 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.
When flying from Indianapolis to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 13% versus a flight in the evening.
Travelers seeking maximum savings on their Indianapolis to London Heathrow Airport flight should consider departing on Monday at noon 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.
Dublin (DUB) – chosen by Cheapflights users on 38% of 1-stop itineraries from Indianapolis to London Heathrow Airport on Cheapflights.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $679.
Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 9h 57m.
Flights via Dublin (DUB) offer the fastest connection on this route, with an average layover time of 1h 33m.
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Food
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Jim,Nov 2025
AVL - ATL
Boarding
Food
Entertainment
Crew
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Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$531 | Average$842 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$531 | Average$845 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$540 | Average$767 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$550 | Average$885 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$554 | Average$839 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$624 | Average$862 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$680 | Average$988 | FlexibilityNo cancel fee | On-time69% |