AirHint found the following cheapest return flights from London (STN) to Delhi (DEL) in September 2026 (see full year).

Return flights

29 Sep - 05 Oct	Ryanair
19 Sep - 26 Sep	Pegasus Airlines
14 Sep - 21 Sep	Pegasus Airlines
19 Sep - 30 Sep	Pegasus Airlines
14 Sep - 25 Sep	Pegasus Airlines
02 Sep - 09 Sep	Ryanair
10 Sep - 24 Sep	Pegasus Airlines
21 Sep - 12 Oct	Ryanair
25 Sep - 11 Oct	Turkish Airlines
08 Sep - 24 Sep	Emirates
14 Sep - 28 Sep	Emirates
01 Sep - 30 Sep	Emirates
23 Sep - 07 Oct	Emirates
12 Sep - 19 Sep	Ryanair
18 Sep - 28 Oct	Emirates
19 Sep - 02 Oct	Emirates
18 Sep - 24 Oct	Emirates

Also check the deals for one-way flights from London to Delhi 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 London to Delhi in September from $494

Return flights