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.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $573 (Norse) |
One-way from | $287 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $986 |
Fly from
Fly to
Route
Depart
Return
Price
IndianapolisLondon
IND - LGW
INDLGW
Indianapolis
Fri 1/16
2:12 pm-10:00 am
1 stop14h 48m
London Gatwick
Mon 1/19
2:00 pm-6:23 pm
1 stop33h 23m
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
| 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 Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Booking 84 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.
Currently, October is the cheapest month in which you can book a flight from Indianapolis to London (average of $491). Flying from Indianapolis to London 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.
Unlike in the evening, when flights are generally more expensive, you can save up to 50% on flights from Indianapolis to London by exploring options for tickets in the afternoon.
Travelers seeking maximum savings on their Indianapolis to London flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday evenings 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 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.
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Sunderesh,Dec 2025
AUS - EWR
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Sunderesh,Dec 2025
AUS - EWR
| 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$867 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$624 | Average$862 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$680 | Average$988 | FlexibilityNo cancel fee | On-time69% |