Flights from Chicago to Alcântara

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.

Mon, Oct 13 - Tue, Oct 21

ORD

O'Hare Intl.

LIS

Humberto Delgado

$551 Roundtrip, found 4 days ago

$551

Roundtrip

found 4 days ago

Select Air Canada flight, departing Mon, Oct 13 from O'Hare Intl. to Humberto Delgado, returning Tue, Oct 21, priced at $551 found 4 days ago

Tue, Oct 14 - Fri, Oct 24

ORD

O'Hare Intl.

LIS

Humberto Delgado

$551 Roundtrip, found 4 days ago

$551

Roundtrip

found 4 days ago

Select Swiss International Air Lines flight, departing Tue, Oct 14 from O'Hare Intl. to Humberto Delgado, returning Fri, Oct 24, priced at $551 found 4 days ago

Wed, Oct 15 - Wed, Oct 22

ORD

O'Hare Intl.

LIS

Humberto Delgado

$558 Roundtrip, found 4 days ago

$558

Roundtrip

found 4 days ago

Select Air Canada flight, departing Wed, Oct 15 from O'Hare Intl. to Humberto Delgado, returning Wed, Oct 22, priced at $558 found 4 days ago

Tue, Oct 14 - Fri, Oct 24

ORD

O'Hare Intl.

LIS

Humberto Delgado

$558 Roundtrip, found 4 days ago

$558

Roundtrip

found 4 days ago

Select Lufthansa flight, departing Tue, Oct 14 from O'Hare Intl. to Humberto Delgado, returning Fri, Oct 24, priced at $558 found 4 days ago

Sun, Sep 7 - Thu, Sep 18

ORD

O'Hare Intl.

LIS

Humberto Delgado

$563 Roundtrip, found 1 day ago

$563

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Sun, Sep 7 from O'Hare Intl. to Humberto Delgado, returning Thu, Sep 18, priced at $563 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$610 Roundtrip, found 1 day ago

$610

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $610 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$611 Roundtrip, found 1 day ago

$611

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $611 found 1 day ago

Sat, Sep 6 - Wed, Sep 17

ORD

O'Hare Intl.

LIS

Humberto Delgado

$642 Roundtrip, found 1 day ago

$642

Roundtrip

found 1 day ago

Select Turkish Airlines flight, departing Sat, Sep 6 from O'Hare Intl. to Humberto Delgado, returning Wed, Sep 17, priced at $642 found 1 day ago

Tue, Oct 14 - Fri, Oct 24

ORD

O'Hare Intl.

LIS

Humberto Delgado

$643 Roundtrip, found 4 days ago

$643

Roundtrip

found 4 days ago

Select Swiss International Air Lines flight, departing Tue, Oct 14 from O'Hare Intl. to Humberto Delgado, returning Fri, Oct 24, priced at $643 found 4 days ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$736 Roundtrip, found 1 day ago

$736

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $736 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$779 Roundtrip, found 1 day ago

$779

Roundtrip

found 1 day ago

Select KLM flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $779 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$850 Roundtrip, found 1 day ago

$850

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $850 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$916 Roundtrip, found 1 day ago

$916

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $916 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$934 Roundtrip, found 1 day ago

$934

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $934 found 1 day ago

Tue, Oct 14 - Fri, Oct 24

ORD

O'Hare Intl.

LIS

Humberto Delgado

$994 Roundtrip, found 4 days ago

$994

Roundtrip

found 4 days ago

Select Finnair flight, departing Tue, Oct 14 from O'Hare Intl. to Humberto Delgado, returning Fri, Oct 24, priced at $994 found 4 days ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,087 Roundtrip, found 1 day ago

$1,087

Roundtrip

found 1 day ago

Select Iberia flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $1,087 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,195 Roundtrip, found 1 day ago

$1,195

Roundtrip

found 1 day ago

Select Air France flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $1,195 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,235 Roundtrip, found 1 day ago

$1,235

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $1,235 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,280 Roundtrip, found 1 day ago

$1,280

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $1,280 found 1 day ago

Tue, Sep 9 - Fri, Sep 19

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,391 Roundtrip, found 1 day ago

$1,391

Roundtrip

found 1 day ago

Select Brussels Airlines flight, departing Tue, Sep 9 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 19, priced at $1,391 found 1 day ago