Cheapest return flights from Denver to Athens in October from $520

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

Return flights

20 Oct - 05 Nov Air Canada
14 Oct - 08 Nov Turkish Airlines
21 Oct - 15 Nov Turkish Airlines
30 Oct - 06 Nov Turkish Airlines
16 Oct - 08 Nov Turkish Airlines
17 Oct - 08 Nov Turkish Airlines
15 Oct - 08 Nov Air Canada
29 Oct - 24 Nov Lufthansa
22 Oct - 30 Oct Frontier Airlines
22 Oct - 31 Oct Icelandair
21 Oct - 30 Oct Air Canada
08 Oct - 22 Oct Frontier Airlines
08 Oct - 15 Oct Frontier Airlines
24 Oct - 16 Nov Air Canada
18 Oct - 01 Nov Frontier Airlines
02 Oct - 25 Oct Frontier Airlines
03 Oct - 25 Oct Frontier Airlines
08 Oct - 18 Oct Frontier Airlines

Also check the deals for one-way flights from Denver to Athens in October.

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Feel free to contact us with any feedback or request another flight research.