AirHint found the following cheapest return flights from Indianapolis (IND) to London (LHR) in May 2026 (see full year).

Return flights

20 May - 02 Jun	Air Canada
02 May - 23 May	Aer Lingus
22 May - 28 May	Aer Lingus
31 May - 07 Jun	British Airways

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

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 May from $706

Return flights