AirHint found the following cheapest return flights from Denver (DEN) to Milano (MXP) in October 2025 (see full year).

Return flights

28 Oct - 04 Nov	Frontier Airlines
15 Oct - 22 Oct	Air Canada
27 Oct - 03 Nov	Frontier Airlines
07 Oct - 14 Oct	Air Canada
29 Oct - 05 Nov	Lufthansa
14 Oct - 21 Oct	jetBlue
22 Oct - 29 Oct	Air Canada
12 Oct - 19 Oct	Icelandair
19 Oct - 26 Oct	Icelandair
30 Oct - 06 Nov	Brussels Airlines
16 Oct - 23 Oct	Lufthansa
20 Oct - 27 Oct	Frontier Airlines
03 Oct - 10 Oct	Icelandair
26 Oct - 02 Nov	Air Canada
23 Oct - 30 Oct	Condor
25 Oct - 01 Nov	Turkish Airlines
31 Oct - 07 Nov	Lufthansa

Also check the deals for one-way flights from Denver to Milano 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 Denver to Milano in October from 403€

Return flights