Flights from Chicago to Grez-Doiceau

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.

Sat, Sep 13 - Mon, Sep 22

ORD

O'Hare Intl.

BRU

Brussels - National

$499 Roundtrip, found 6 days ago

$499

Roundtrip

found 6 days ago

Select Scandinavian Airlines flight, departing Sat, Sep 13 from O'Hare Intl. to Brussels - National, returning Mon, Sep 22, priced at $499 found 6 days ago

Sat, Sep 13 - Sat, Sep 20

ORD

O'Hare Intl.

BRU

Brussels - National

$529 Roundtrip, found 6 days ago

$529

Roundtrip

found 6 days ago

Select Scandinavian Airlines flight, departing Sat, Sep 13 from O'Hare Intl. to Brussels - National, returning Sat, Sep 20, priced at $529 found 6 days ago

Sat, Sep 13 - Tue, Sep 23

ORD

O'Hare Intl.

BRU

Brussels - National

$569 Roundtrip, found 6 days ago

$569

Roundtrip

found 6 days ago

Select Scandinavian Airlines flight, departing Sat, Sep 13 from O'Hare Intl. to Brussels - National, returning Tue, Sep 23, priced at $569 found 6 days ago

Fri, Sep 12 - Wed, Sep 24

ORD

O'Hare Intl.

BRU

Brussels - National

$646 Roundtrip, found 6 days ago

$646

Roundtrip

found 6 days ago

Select Icelandair flight, departing Fri, Sep 12 from O'Hare Intl. to Brussels - National, returning Wed, Sep 24, priced at $646 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

BRU

Brussels - National

$650 Roundtrip, found 6 days ago

$650

Roundtrip

found 6 days ago

Select Turkish Airlines flight, departing Wed, Sep 17 from O'Hare Intl. to Brussels - National, returning Wed, Sep 24, priced at $650 found 6 days ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$762 Roundtrip, found 1 day ago

$762

Roundtrip

found 1 day ago

Select United flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $762 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$889 Roundtrip, found 1 day ago

$889

Roundtrip

found 1 day ago

Select TAP Portugal flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $889 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$904 Roundtrip, found 1 day ago

$904

Roundtrip

found 1 day ago

Select British Airways flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $904 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$996 Roundtrip, found 1 day ago

$996

Roundtrip

found 1 day ago

Select LOT-Polish Airlines flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $996 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,014 Roundtrip, found 1 day ago

$1,014

Roundtrip

found 1 day ago

Select Aer Lingus flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,014 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

ZYR

Brussels Midi Train Station

$1,219 Roundtrip, found 5 days ago

$1,219

Roundtrip

found 5 days ago

Select Air France flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels Midi Train Station, returning Thu, Oct 9, priced at $1,219 found 5 days ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,228 Roundtrip, found 1 day ago

$1,228

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,228 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,251 Roundtrip, found 1 day ago

$1,251

Roundtrip

found 1 day ago

Select Air Canada flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,251 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,266 Roundtrip, found 1 day ago

$1,266

Roundtrip

found 1 day ago

Select Iberia flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,266 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,286 Roundtrip, found 1 day ago

$1,286

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,286 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,302 Roundtrip, found 1 day ago

$1,302

Roundtrip

found 1 day ago

Select Austrian Airlines flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,302 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,320 Roundtrip, found 1 day ago

$1,320

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,320 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

ZYR

Brussels Midi Train Station

$1,390 Roundtrip, found 1 day ago

$1,390

Roundtrip

found 1 day ago

Select KLM flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels Midi Train Station, returning Thu, Oct 9, priced at $1,390 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,451 Roundtrip, found 1 day ago

$1,451

Roundtrip

found 1 day ago

Select Brussels Airlines flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,451 found 1 day ago

Fri, Oct 3 - Thu, Oct 9

ORD

O'Hare Intl.

BRU

Brussels - National

$1,491 Roundtrip, found 1 day ago

$1,491

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Fri, Oct 3 from O'Hare Intl. to Brussels - National, returning Thu, Oct 9, priced at $1,491 found 1 day ago