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

Return flights

25 Sep - 02 Oct	IndiGo
27 Sep - 11 Oct	IndiGo
23 Sep - 30 Sep	Air India
24 Sep - 01 Oct	Air India
26 Sep - 30 Sep	Air India
21 Sep - 04 Oct	IndiGo
27 Sep - 27 Oct	Air India
22 Sep - 06 Oct	Air India
24 Sep - 08 Oct	Air India
23 Sep - 10 Oct	Air India
23 Sep - 09 Oct	Air India
24 Sep - 10 Oct	IndiGo
21 Sep - 22 Sep	IndiGo
23 Sep - 29 Sep	Qatar Airways
23 Sep - 28 Sep	Qatar Airways
22 Sep - 27 Sep	Qatar Airways

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 403€

Return flights