Frontier Airlines

Flights from Denver to Athens

DEN ATH · Greece

From

£931

return · 1 adult · economy

Operated by

Frontier Airlines

Shortest outbound

13h 45m

Direct option

No (connecting only)

Live offers

Sample sail-date: 2026-10-10 outbound · 2026-10-17 return. Prices refresh daily.

How long is a flight from Denver to Athens with Frontier Airlines?: The shortest current offer is 13h 45m outbound from DEN to ATH. On the sample dates we only see connecting options — try other dates for direct flights.
Does Frontier Airlines fly direct from DEN to ATH?: Not on these sample dates — the cheapest offers we see are connecting flights. Direct service may exist on other dates.
How much does a Frontier Airlines ticket from DEN to ATH cost?: The cheapest return economy fare we found today is £931 for 1 adult, based on sample dates 2026-10-10 → 2026-10-17. Prices change daily — run the live search for current fares.