Flights from Chicago to Marathon

Cheapest flights from Chicago

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 28 - Wed, Oct 15

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$539 Roundtrip, found 5 days ago

$539

Roundtrip

found 5 days ago

Select Delta flight, departing Sun, Sep 28 from O'Hare Intl. to Eleftherios Venizelos, returning Wed, Oct 15, priced at $539 found 5 days ago

Mon, Sep 29 - Tue, Oct 14

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$565 Roundtrip, found 4 days ago

$565

Roundtrip

found 4 days ago

Select Turkish Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Eleftherios Venizelos, returning Tue, Oct 14, priced at $565 found 4 days ago

Mon, Aug 25 - Fri, Sep 5

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$567 Roundtrip, found 3 days ago

$567

Roundtrip

found 3 days ago

Select British Airways flight, departing Mon, Aug 25 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Sep 5, priced at $567 found 3 days ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$584 Roundtrip, found 17 hours ago

$584

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $584 found 17 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$604 Roundtrip, found 17 hours ago

$604

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $604 found 17 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$612 Roundtrip, found 17 hours ago

$612

Roundtrip

found 17 hours ago

Select Lufthansa flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $612 found 17 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$623 Roundtrip, found 17 hours ago

$623

Roundtrip

found 17 hours ago

Select Austrian Airlines flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $623 found 17 hours ago

Tue, Aug 26 - Mon, Sep 8

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$653 Roundtrip, found 2 days ago

$653

Roundtrip

found 2 days ago

Select Air Canada flight, departing Tue, Aug 26 from O'Hare Intl. to Eleftherios Venizelos, returning Mon, Sep 8, priced at $653 found 2 days ago

Tue, Aug 26 - Mon, Sep 8

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$683 Roundtrip, found 2 days ago

$683

Roundtrip

found 2 days ago

Select Swiss International Air Lines flight, departing Tue, Aug 26 from O'Hare Intl. to Eleftherios Venizelos, returning Mon, Sep 8, priced at $683 found 2 days ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$712 Roundtrip, found 17 hours ago

$712

Roundtrip

found 17 hours ago

Select LOT-Polish Airlines flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $712 found 17 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$723 Roundtrip, found 17 hours ago

$723

Roundtrip

found 17 hours ago

Select Delta flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $723 found 17 hours ago

Sun, Aug 24 - Tue, Sep 9

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$735 Roundtrip, found 23 hours ago

$735

Roundtrip

found 23 hours ago

Select United flight, departing Sun, Aug 24 from O'Hare Intl. to Eleftherios Venizelos, returning Tue, Sep 9, priced at $735 found 23 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$760 Roundtrip, found 17 hours ago

$760

Roundtrip

found 17 hours ago

Select Air Serbia flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $760 found 17 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$775 Roundtrip, found 17 hours ago

$775

Roundtrip

found 17 hours ago

Select Air France flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $775 found 17 hours ago

Sun, Aug 24 - Tue, Sep 9

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$788 Roundtrip, found 23 hours ago

$788

Roundtrip

found 23 hours ago

Select Virgin Atlantic flight, departing Sun, Aug 24 from O'Hare Intl. to Eleftherios Venizelos, returning Tue, Sep 9, priced at $788 found 23 hours ago

Wed, Mar 11 - Fri, Mar 20

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$805 Roundtrip, found 17 hours ago

$805

Roundtrip

found 17 hours ago

Select KLM flight, departing Wed, Mar 11 from O'Hare Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $805 found 17 hours ago

Sun, Sep 28 - Sat, Oct 11

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$828 Roundtrip, found 4 days ago

$828

Roundtrip

found 4 days ago

Select Aer Lingus flight, departing Sun, Sep 28 from O'Hare Intl. to Eleftherios Venizelos, returning Sat, Oct 11, priced at $828 found 4 days ago

Sun, Sep 28 - Sat, Oct 11

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$893 Roundtrip, found 4 days ago

$893

Roundtrip

found 4 days ago

Select Scandinavian Airlines flight, departing Sun, Sep 28 from O'Hare Intl. to Eleftherios Venizelos, returning Sat, Oct 11, priced at $893 found 4 days ago

Sun, Sep 28 - Sat, Oct 11

ORD

O'Hare Intl.

ATH

Eleftherios Venizelos

$906 Roundtrip, found 4 days ago

$906

Roundtrip

found 4 days ago

Select Brussels Airlines flight, departing Sun, Sep 28 from O'Hare Intl. to Eleftherios Venizelos, returning Sat, Oct 11, priced at $906 found 4 days ago

Wed, Mar 11 - Fri, Mar 20

MDW

Midway Intl.

ATH

Eleftherios Venizelos

$983 Roundtrip, found 17 hours ago

$983

Roundtrip

found 17 hours ago

Select Delta flight, departing Wed, Mar 11 from Midway Intl. to Eleftherios Venizelos, returning Fri, Mar 20, priced at $983 found 17 hours ago