Cheap flights from Seattle to Kastos

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

Popular airlines from Seattle to Kastos

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Cheap Flights from Seattle (SEA) 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.

Air Canada
Sun, 7 Sep. - Sat, 13 Sep.
SEA
Seattle
ATH
Athens
AU$1,279 Return, found 1 day ago
AU$1,279
Return
found 1 day ago
Select Air Canada flight, departing Sun, 7 Sep. from Seattle to Athens, returning Sat, 13 Sep., priced at AU$1,279 found 1 day ago
Air Canada
Sun, 7 Sep. - Sat, 13 Sep.
SEA
Seattle
ATH
Athens
AU$1,289 Return, found 1 day ago
AU$1,289
Return
found 1 day ago
Select Air Canada flight, departing Sun, 7 Sep. from Seattle to Athens, returning Sat, 13 Sep., priced at AU$1,289 found 1 day ago
Lufthansa
Sun, 7 Sep. - Sat, 13 Sep.
SEA
Seattle
ATH
Athens
AU$1,318 Return, found 1 day ago
AU$1,318
Return
found 1 day ago
Select Lufthansa flight, departing Sun, 7 Sep. from Seattle to Athens, returning Sat, 13 Sep., priced at AU$1,318 found 1 day ago
KLM
Sun, 7 Sep. - Sat, 13 Sep.
SEA
Seattle
ATH
Athens
AU$1,692 Return, found 1 day ago
AU$1,692
Return
found 1 day ago
Select KLM flight, departing Sun, 7 Sep. from Seattle to Athens, returning Sat, 13 Sep., priced at AU$1,692 found 1 day ago
Delta
Sun, 7 Sep. - Sat, 13 Sep.
SEA
Seattle
ATH
Athens
AU$1,697 Return, found 1 day ago
AU$1,697
Return
found 1 day ago
Select Delta flight, departing Sun, 7 Sep. from Seattle to Athens, returning Sat, 13 Sep., priced at AU$1,697 found 1 day ago
British Airways
Sun, 7 Sep. - Sat, 13 Sep.
SEA
Seattle
ATH
Athens
AU$1,777 Return, found 1 day ago
AU$1,777
Return
found 1 day ago
Select British Airways flight, departing Sun, 7 Sep. from Seattle to Athens, returning Sat, 13 Sep., priced at AU$1,777 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Athens (ATH)

November is typically the cheapest month to fly

From AU$728 - AU$2,088 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.