Flights from St. Louis to Winthrop Harbor

Cheapest flights from St. Louis

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.

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$94 Roundtrip, found 1 day ago

$94

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $94 found 1 day ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$94 Roundtrip, found 1 day ago

$94

Roundtrip

found 1 day ago

Select United flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $94 found 1 day ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$124 Roundtrip, found 1 day ago

$124

Roundtrip

found 1 day ago

Select United flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $124 found 1 day ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$138 Roundtrip, found 1 day ago

$138

Roundtrip

found 1 day ago

Select Southern Airways Express flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $138 found 1 day ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$144 Roundtrip, found 1 day ago

$144

Roundtrip

found 1 day ago

Select Southern Airways Express flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $144 found 1 day ago

Tue, Sep 30 - Wed, Oct 8

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 30 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Oct 8, priced at $151 found 1 day ago

Mon, Sep 29 - Wed, Oct 8

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 29 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Oct 8, priced at $154 found 1 day ago

Mon, Sep 29 - Thu, Oct 9

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 29 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $157 found 1 day ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$159 Roundtrip, found 1 day ago

$159

Roundtrip

found 1 day ago

Select United flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $159 found 1 day ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$166 Roundtrip, found 1 day ago

$166

Roundtrip

found 1 day ago

Select United flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $166 found 1 day ago

Tue, Sep 30 - Fri, Oct 10

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$168 Roundtrip, found 1 day ago

$168

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Lambert-St. Louis Intl. to O'Hare Intl., returning Fri, Oct 10, priced at $168 found 1 day ago

Mon, Sep 29 - Fri, Oct 10

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$171 Roundtrip, found 1 day ago

$171

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Sep 29 from Lambert-St. Louis Intl. to O'Hare Intl., returning Fri, Oct 10, priced at $171 found 1 day ago

Wed, Jul 23 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$173 Roundtrip, found 3 days ago

$173

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Jul 30, priced at $173 found 3 days ago

Thu, Oct 2 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$176 Roundtrip, found 1 day ago

$176

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 11, priced at $176 found 1 day ago

Sun, Oct 5 - Wed, Oct 8

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$177 Roundtrip, found 1 day ago

$177

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Oct 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Oct 8, priced at $177 found 1 day ago

Sun, Jul 20 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$179 Roundtrip, found 5 days ago

$179

Roundtrip

found 5 days ago

Select Southern Airways Express flight, departing Sun, Jul 20 from Lambert-St. Louis Intl. to O'Hare Intl., returning Tue, Jul 29, priced at $179 found 5 days ago

Sun, Oct 5 - Thu, Oct 9

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$181 Roundtrip, found 1 day ago

$181

Roundtrip

found 1 day ago

Select Southern Airways Express flight, departing Sun, Oct 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $181 found 1 day ago

Fri, Oct 3 - Fri, Oct 10

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$185 Roundtrip, found 1 day ago

$185

Roundtrip

found 1 day ago

Select Southern Airways Express flight, departing Fri, Oct 3 from Lambert-St. Louis Intl. to O'Hare Intl., returning Fri, Oct 10, priced at $185 found 1 day ago

Wed, Jul 23 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$215 Roundtrip, found 5 days ago

$215

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to O'Hare Intl., returning Tue, Jul 29, priced at $215 found 5 days ago

Tue, Jul 22 - Mon, Jul 28

STL

Lambert-St. Louis Intl.

ORD

O'Hare Intl.

$274 Roundtrip, found 5 days ago

$274

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Lambert-St. Louis Intl. to O'Hare Intl., returning Mon, Jul 28, priced at $274 found 5 days ago