Cheap flights from Denver to Serifos Island

View AU$719 flight on Sun, 7 Dec. 2025Opens in a new window

Popular airlines from Denver to Serifos Island

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Air France

    Air France

  • ITA Airways

    ITA Airways

  • British Airways

    British Airways

  • Delta

    Delta

  • Iberia

    Iberia

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Cheap Flights from Denver (DEN) to Serifos Island (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.

Lufthansa
Sun, 7 Dec. - Tue, 16 Dec.
DEN
Denver
ATH
Athens
AU$958 Return, found 11 hours ago
AU$958
Return
found 11 hours ago
Select Lufthansa flight, departing Sun, 7 Dec. from Denver to Athens, returning Tue, 16 Dec., priced at AU$958 found 11 hours ago
United
Sun, 7 Dec. - Tue, 16 Dec.
DEN
Denver
ATH
Athens
AU$958 Return, found 11 hours ago
AU$958
Return
found 11 hours ago
Select United flight, departing Sun, 7 Dec. from Denver to Athens, returning Tue, 16 Dec., priced at AU$958 found 11 hours ago
British Airways
Sun, 7 Dec. - Tue, 16 Dec.
DEN
Denver
ATH
Athens
AU$964 Return, found 11 hours ago
AU$964
Return
found 11 hours ago
Select British Airways flight, departing Sun, 7 Dec. from Denver to Athens, returning Tue, 16 Dec., priced at AU$964 found 11 hours ago
Air Canada
Sun, 30 Nov. - Sun, 14 Dec.
DEN
Denver
ATH
Athens
AU$1,028 Return, found 5 days ago
AU$1,028
Return
found 5 days ago
Select Air Canada flight, departing Sun, 30 Nov. from Denver to Athens, returning Sun, 14 Dec., priced at AU$1,028 found 5 days ago
Virgin Atlantic
Sat, 6 Dec. - Mon, 15 Dec.
DEN
Denver
ATH
Athens
AU$1,107 Return, found 5 days ago
AU$1,107
Return
found 5 days ago
Select Virgin Atlantic flight, departing Sat, 6 Dec. from Denver to Athens, returning Mon, 15 Dec., priced at AU$1,107 found 5 days ago
Turkish Airlines
Sat, 6 Dec. - Mon, 15 Dec.
DEN
Denver
ATH
Athens
AU$1,117 Return, found 5 days ago
AU$1,117
Return
found 5 days ago
Select Turkish Airlines flight, departing Sat, 6 Dec. from Denver to Athens, returning Mon, 15 Dec., priced at AU$1,117 found 5 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.