Flights from Chicago to Atenas

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, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$349 Roundtrip, found 6 days ago

$349

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $349 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$384 Roundtrip, found 6 days ago

$384

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $384 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$389 Roundtrip, found 6 days ago

$389

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $389 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$392 Roundtrip, found 6 days ago

$392

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $392 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$394 Roundtrip, found 6 days ago

$394

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $394 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$417 Roundtrip, found 6 days ago

$417

Roundtrip

found 6 days ago

Select Copa flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $417 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$421 Roundtrip, found 6 days ago

$421

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $421 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$426 Roundtrip, found 6 days ago

$426

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $426 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$427 Roundtrip, found 6 days ago

$427

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $427 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$429 Roundtrip, found 6 days ago

$429

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $429 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$431 Roundtrip, found 6 days ago

$431

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $431 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$435 Roundtrip, found 6 days ago

$435

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $435 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$439 Roundtrip, found 6 days ago

$439

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $439 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$456 Roundtrip, found 6 days ago

$456

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $456 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$491 Roundtrip, found 6 days ago

$491

Roundtrip

found 6 days ago

Select Copa flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $491 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$622 Roundtrip, found 6 days ago

$622

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $622 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$669 Roundtrip, found 6 days ago

$669

Roundtrip

found 6 days ago

Select Air Canada flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $669 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$676 Roundtrip, found 6 days ago

$676

Roundtrip

found 6 days ago

Select Delta flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $676 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$701 Roundtrip, found 6 days ago

$701

Roundtrip

found 6 days ago

Select avianca flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $701 found 6 days ago

Sun, Jan 25 - Wed, Feb 4

ORD

O'Hare Intl.

SJO

Juan Santamaría Intl.

$946 Roundtrip, found 6 days ago

$946

Roundtrip

found 6 days ago

Select Aeromexico flight, departing Sun, Jan 25 from O'Hare Intl. to Juan Santamaría Intl., returning Wed, Feb 4, priced at $946 found 6 days ago