Cheapest return flights from Denver to Zurich in September from 513€

AirHint found the following cheapest return flights from Denver (DEN) to Zurich (ZRH) in September 2025 (see full year).

Return flights

08 Sep - 15 Sep Icelandair
01 Sep - 08 Sep Icelandair
30 Sep - 07 Oct Icelandair
19 Sep - 09 Oct Icelandair
24 Sep - 01 Oct Icelandair
17 Sep - 24 Sep Icelandair
09 Sep - 16 Sep United
03 Sep - 10 Sep United
14 Sep - 23 Sep Lufthansa
11 Sep - 18 Sep Icelandair
01 Sep - 08 Sep SWISS direct
08 Sep - 15 Sep SWISS direct
19 Sep - 26 Sep United
27 Sep - 04 Oct United

Also check the deals for one-way flights from Denver to Zurich in September.

Skyscanner

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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