Flights from Chicago to Meco

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, Sep 22 - Wed, Oct 1

ORD

O'Hare Intl.

LIS

Humberto Delgado

$579 Roundtrip, found 1 day ago

$579

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 22 from O'Hare Intl. to Humberto Delgado, returning Wed, Oct 1, priced at $579 found 1 day ago

Tue, Aug 19 - Thu, Aug 28

ORD

O'Hare Intl.

LIS

Humberto Delgado

$594 Roundtrip, found 5 days ago

$594

Roundtrip

found 5 days ago

Select United flight, departing Tue, Aug 19 from O'Hare Intl. to Humberto Delgado, returning Thu, Aug 28, priced at $594 found 5 days ago

Sun, Sep 21 - Wed, Oct 1

ORD

O'Hare Intl.

LIS

Humberto Delgado

$596 Roundtrip, found 1 day ago

$596

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Sep 21 from O'Hare Intl. to Humberto Delgado, returning Wed, Oct 1, priced at $596 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

ORD

O'Hare Intl.

LIS

Humberto Delgado

$622 Roundtrip, found 1 day ago

$622

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from O'Hare Intl. to Humberto Delgado, returning Tue, Sep 30, priced at $622 found 1 day ago

Wed, Sep 17 - Fri, Sep 26

ORD

O'Hare Intl.

LIS

Humberto Delgado

$641 Roundtrip, found 1 day ago

$641

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Sep 17 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $641 found 1 day ago

Mon, Sep 22 - Mon, Sep 29

ORD

O'Hare Intl.

LIS

Humberto Delgado

$642 Roundtrip, found 1 day ago

$642

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from O'Hare Intl. to Humberto Delgado, returning Mon, Sep 29, priced at $642 found 1 day ago

Sun, Aug 24 - Sat, Aug 30

ORD

O'Hare Intl.

LIS

Humberto Delgado

$651 Roundtrip, found 5 days ago

$651

Roundtrip

found 5 days ago

Select TAP Portugal flight, departing Sun, Aug 24 from O'Hare Intl. to Humberto Delgado, returning Sat, Aug 30, priced at $651 found 5 days ago

Fri, Sep 19 - Fri, Sep 26

ORD

O'Hare Intl.

LIS

Humberto Delgado

$672 Roundtrip, found 1 day ago

$672

Roundtrip

found 1 day ago

Select British Airways flight, departing Fri, Sep 19 from O'Hare Intl. to Humberto Delgado, returning Fri, Sep 26, priced at $672 found 1 day ago

Fri, Aug 22 - Wed, Sep 3

ORD

O'Hare Intl.

LIS

Humberto Delgado

$728 Roundtrip, found 5 days ago

$728

Roundtrip

found 5 days ago

Select Air Canada flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Wed, Sep 3, priced at $728 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$904 Roundtrip, found 5 days ago

$904

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $904 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$985 Roundtrip, found 5 days ago

$985

Roundtrip

found 5 days ago

Select Aer Lingus flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $985 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,023 Roundtrip, found 5 days ago

$1,023

Roundtrip

found 5 days ago

Select Turkish Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,023 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,029 Roundtrip, found 5 days ago

$1,029

Roundtrip

found 5 days ago

Select Lufthansa flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,029 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,030 Roundtrip, found 5 days ago

$1,030

Roundtrip

found 5 days ago

Select Swiss International Air Lines flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,030 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,142 Roundtrip, found 5 days ago

$1,142

Roundtrip

found 5 days ago

Select Iberia flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,142 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,145 Roundtrip, found 5 days ago

$1,145

Roundtrip

found 5 days ago

Select LOT-Polish Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,145 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,227 Roundtrip, found 5 days ago

$1,227

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,227 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,234 Roundtrip, found 5 days ago

$1,234

Roundtrip

found 5 days ago

Select Finnair flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,234 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,417 Roundtrip, found 5 days ago

$1,417

Roundtrip

found 5 days ago

Select Scandinavian Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,417 found 5 days ago

Fri, Aug 22 - Sun, Aug 31

ORD

O'Hare Intl.

LIS

Humberto Delgado

$1,826 Roundtrip, found 5 days ago

$1,826

Roundtrip

found 5 days ago

Select Brussels Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to Humberto Delgado, returning Sun, Aug 31, priced at $1,826 found 5 days ago