AirHint found the following cheapest return flights from Amritsar (ATQ) to London (LHR) in September 2025 (see full year).

Return flights

19 Sep - 21 Sep	Air India
22 Sep - 29 Sep	Air India
18 Sep - 29 Sep	Air India
17 Sep - 30 Sep	Air India
17 Sep - 28 Sep	Air India
17 Sep - 26 Sep	Air India
30 Sep - 21 Oct	Air India
14 Sep - 24 Sep	Air India
11 Sep - 01 Oct	Air India
10 Sep - 06 Oct	Air India
13 Sep - 18 Sep	Air India
15 Sep - 18 Sep	Air India
16 Sep - 20 Sep	Air India
18 Sep - 06 Oct	Air India
12 Sep - 04 Oct	Air India
24 Sep - 03 Oct	Air India
16 Sep - 15 Oct	Air India
15 Sep - 02 Oct	Air India
10 Sep - 02 Oct	Air India

Also check the deals for one-way flights from Amritsar to London in September.

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 Amritsar to London in September from 454€

Return flights