Flights from Chicago to Tres Cantos

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, Jun 15 - Tue, Jul 1

ORD

O'Hare Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,414 Roundtrip, found 6 days ago

$1,414

Roundtrip

found 6 days ago

Select Swiss International Air Lines flight, departing Sun, Jun 15 from O'Hare Intl. to Adolfo Suárez Madrid-Barajas, returning Tue, Jul 1, priced at $1,414 found 6 days ago

Sun, Jun 15 - Tue, Jul 1

ORD

O'Hare Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,871 Roundtrip, found 6 days ago

$1,871

Roundtrip

found 6 days ago

Select ITA Airways flight, departing Sun, Jun 15 from O'Hare Intl. to Adolfo Suárez Madrid-Barajas, returning Tue, Jul 1, priced at $1,871 found 6 days ago

Sun, Jun 15 - Fri, Jun 20

ORD

O'Hare Intl.

MAD

Adolfo Suárez Madrid-Barajas

$1,956 Roundtrip, found 6 days ago

$1,956

Roundtrip

found 6 days ago

Select Turkish Airlines flight, departing Sun, Jun 15 from O'Hare Intl. to Adolfo Suárez Madrid-Barajas, returning Fri, Jun 20, priced at $1,956 found 6 days ago

Sun, Jun 15 - Tue, Jul 1

ORD

O'Hare Intl.

MAD

Adolfo Suárez Madrid-Barajas

$2,109 Roundtrip, found 6 days ago

$2,109

Roundtrip

found 6 days ago

Select Brussels Airlines flight, departing Sun, Jun 15 from O'Hare Intl. to Adolfo Suárez Madrid-Barajas, returning Tue, Jul 1, priced at $2,109 found 6 days ago

Fri, Jun 20 - Sat, Jun 21

ORD

O'Hare Intl.

MAD

Adolfo Suárez Madrid-Barajas

$2,131 Roundtrip, found 6 days ago

$2,131

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Fri, Jun 20 from O'Hare Intl. to Adolfo Suárez Madrid-Barajas, returning Sat, Jun 21, priced at $2,131 found 6 days ago