Cheap flights from Denver to Kastos

View AU$718 flight on Tue, 28 Oct. 2025Opens in a new window

Popular airlines from Denver to Kastos

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Cheap Flights from Denver (DEN) to Kastos (ATH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 7 Dec. - Tue, 16 Dec.
DEN
Denver
ATH
Athens
AU$923 Return, found 4 days ago
AU$923
Return
found 4 days ago
Select Delta flight, departing Sun, 7 Dec. from Denver to Athens, returning Tue, 16 Dec., priced at AU$923 found 4 days ago
Lufthansa
Sun, 7 Dec. - Tue, 16 Dec.
DEN
Denver
ATH
Athens
AU$940 Return, found 4 days ago
AU$940
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 7 Dec. from Denver to Athens, returning Tue, 16 Dec., priced at AU$940 found 4 days ago
United
Sun, 7 Dec. - Tue, 16 Dec.
DEN
Denver
ATH
Athens
AU$941 Return, found 4 days ago
AU$941
Return
found 4 days ago
Select United flight, departing Sun, 7 Dec. from Denver to Athens, returning Tue, 16 Dec., priced at AU$941 found 4 days ago
British Airways
Sun, 7 Dec. - Mon, 15 Dec.
DEN
Denver
ATH
Athens
AU$978 Return, found 4 days ago
AU$978
Return
found 4 days ago
Select British Airways flight, departing Sun, 7 Dec. from Denver to Athens, returning Mon, 15 Dec., priced at AU$978 found 4 days ago
Air Canada
Sun, 30 Nov. - Sun, 14 Dec.
DEN
Denver
ATH
Athens
AU$1,028 Return, found 4 days ago
AU$1,028
Return
found 4 days ago
Select Air Canada flight, departing Sun, 30 Nov. from Denver to Athens, returning Sun, 14 Dec., priced at AU$1,028 found 4 days ago
Virgin Atlantic
Sat, 6 Dec. - Mon, 15 Dec.
DEN
Denver
ATH
Athens
AU$1,107 Return, found 4 days ago
AU$1,107
Return
found 4 days ago
Select Virgin Atlantic flight, departing Sat, 6 Dec. from Denver to Athens, returning Mon, 15 Dec., priced at AU$1,107 found 4 days ago

Find the cheapest month to fly from Denver (DEN) to Athens (ATH)

November is typically the cheapest month to fly

From AU$736 - AU$2,103 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.