AirHint found the following cheapest return flights from Basel (BSL) to Delhi (DEL) in October 2025 (see full year).

Return flights

13 Oct - 17 Nov	Pegasus Airlines
13 Oct - 16 Nov	Pegasus Airlines
13 Oct - 14 Nov	Pegasus Airlines
11 Oct - 16 Nov	easyJet
11 Oct - 14 Nov	easyJet
11 Oct - 15 Nov	easyJet
10 Oct - 14 Nov	Pegasus Airlines
10 Oct - 15 Nov	Pegasus Airlines
30 Oct - 17 Nov	IndiGo
12 Oct - 31 Oct	IndiGo
12 Oct - 17 Nov	IndiGo
02 Oct - 19 Oct	British Airways
09 Oct - 28 Oct	KLM

Also check the deals for one-way flights from Basel to Delhi in October.

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 Basel to Delhi in October from 529€

Return flights