AirHint found the following cheapest return flights from Indianapolis (IND) to London (LGW) in July 2025 (see full year).

Return flights

15 Jul - 09 Aug	Spirit Airlines
21 Jul - 01 Aug	Frontier Airlines
14 Jul - 09 Aug	Spirit Airlines
24 Jul - 28 Jul	Spirit Airlines
15 Jul - 29 Jul	Spirit Airlines
15 Jul - 28 Jul	Spirit Airlines
16 Jul - 24 Jul	KLM
19 Jul - 24 Jul	Spirit Airlines
16 Jul - 18 Jul	Spirit Airlines
15 Jul - 27 Jul	Spirit Airlines
12 Jul - 19 Jul	Frontier Airlines
14 Jul - 27 Jul	Spirit Airlines
13 Jul - 27 Jul	Spirit Airlines

Also check the deals for one-way flights from Indianapolis to London in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Indianapolis to London in July from 682€

Return flights