Cheap flights from Chicago to Kastos

View AU$607 flight on Wed, 20 Aug. 2025Opens in a new window

Popular airlines from Chicago to Kastos

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Chicago (CHI) 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.

Virgin Atlantic
Fri, 15 Aug. - Thu, 28 Aug.
MDW
Chicago
ATH
Athens
AU$870 Return, found 6 days ago
AU$870
Return
found 6 days ago
Select Virgin Atlantic flight, departing Fri, 15 Aug. from Chicago to Athens, returning Thu, 28 Aug., priced at AU$870 found 6 days ago
Virgin Atlantic
Thu, 14 Aug. - Thu, 28 Aug.
ORD
Chicago
ATH
Athens
AU$870 Return, found 6 days ago
AU$870
Return
found 6 days ago
Select Virgin Atlantic flight, departing Thu, 14 Aug. from Chicago to Athens, returning Thu, 28 Aug., priced at AU$870 found 6 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
ORD
Chicago
ATH
Athens
AU$891 Return, found 5 days ago
AU$891
Return
found 5 days ago
Select Delta flight, departing Mon, 1 Sep. from Chicago to Athens, returning Mon, 8 Sep., priced at AU$891 found 5 days ago
Turkish Airlines
Mon, 1 Sep. - Mon, 8 Sep.
ORD
Chicago
ATH
Athens
AU$898 Return, found 5 days ago
AU$898
Return
found 5 days ago
Select Turkish Airlines flight, departing Mon, 1 Sep. from Chicago to Athens, returning Mon, 8 Sep., priced at AU$898 found 5 days ago
KLM
Thu, 14 Aug. - Thu, 28 Aug.
ORD
Chicago
ATH
Athens
AU$910 Return, found 6 days ago
AU$910
Return
found 6 days ago
Select KLM flight, departing Thu, 14 Aug. from Chicago to Athens, returning Thu, 28 Aug., priced at AU$910 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
ORD
Chicago
ATH
Athens
AU$934 Return, found 5 days ago
AU$934
Return
found 5 days ago
Select United flight, departing Mon, 1 Sep. from Chicago to Athens, returning Mon, 8 Sep., priced at AU$934 found 5 days ago

Find the cheapest month to fly from Chicago (CHI) to Athens (ATH)

November is typically the cheapest month to fly

From AU$704 - AU$1,615 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.