Cheapest return flights from Phoenix to Frankfurt in September from $680

AirHint found the following cheapest return flights from Phoenix (PHX) to Frankfurt (FRA) in September 2025 (see full year).

Return flights

12 Sep - 19 Sep Alaska Airlines
30 Sep - 07 Oct Lufthansa
19 Sep - 22 Sep Frontier Airlines
30 Sep - 25 Oct Air Canada
25 Sep - 04 Oct Frontier Airlines
11 Sep - 18 Sep Spirit Airlines
15 Sep - 11 Oct Air Canada
19 Sep - 26 Sep Air Canada
12 Sep - 04 Oct Frontier Airlines
28 Sep - 11 Oct United
28 Sep - 05 Oct Lufthansa

Also check the deals for one-way flights from Phoenix to Frankfurt 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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