Flights from Chicago to Warrenton

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.

Thu, Aug 21 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$80 Roundtrip, found 6 days ago

$80

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $80 found 6 days ago

Thu, Aug 21 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$84 Roundtrip, found 6 days ago

$84

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $84 found 6 days ago

Tue, Aug 19 - Sat, Aug 23

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$85 Roundtrip, found 5 hours ago

$85

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Tue, Aug 19 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 23, priced at $85 found 5 hours ago

Mon, Sep 8 - Mon, Sep 15

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$88 Roundtrip, found 3 days ago

$88

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Sep 8 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Sep 15, priced at $88 found 3 days ago

Thu, Aug 21 - Sat, Aug 23

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$90 Roundtrip, found 5 hours ago

$90

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 23, priced at $90 found 5 hours ago

Tue, Aug 19 - Fri, Aug 22

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$95 Roundtrip, found 5 hours ago

$95

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Tue, Aug 19 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Aug 22, priced at $95 found 5 hours ago

Mon, Sep 8 - Fri, Sep 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$98 Roundtrip, found 3 days ago

$98

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Sep 8 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Sep 12, priced at $98 found 3 days ago

Thu, Sep 11 - Sun, Sep 14

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$99 Roundtrip, found 7 hours ago

$99

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Thu, Sep 11 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Sep 14, priced at $99 found 7 hours ago

Thu, Aug 21 - Fri, Aug 22

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$100 Roundtrip, found 5 hours ago

$100

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Aug 22, priced at $100 found 5 hours ago

Fri, Sep 12 - Fri, Sep 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$105 Roundtrip, found 3 days ago

$105

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Sep 12 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Sep 12, priced at $105 found 3 days ago

Thu, Aug 21 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$106 Roundtrip, found 6 days ago

$106

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $106 found 6 days ago

Thu, Aug 21 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$110 Roundtrip, found 6 days ago

$110

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $110 found 6 days ago

Thu, Sep 11 - Sun, Sep 14

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$111 Roundtrip, found 7 hours ago

$111

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Thu, Sep 11 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Sep 14, priced at $111 found 7 hours ago

Tue, Aug 19 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$115 Roundtrip, found 5 hours ago

$115

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Tue, Aug 19 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $115 found 5 hours ago

Fri, Aug 22 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$116 Roundtrip, found 5 hours ago

$116

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $116 found 5 hours ago

Fri, Aug 22 - Fri, Aug 22

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$118 Roundtrip, found 5 hours ago

$118

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Fri, Aug 22 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Aug 22, priced at $118 found 5 hours ago

Thu, Aug 21 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $157 found 6 days ago

Thu, Aug 21 - Mon, Aug 25

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Aug 21 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 25, priced at $157 found 6 days ago

Thu, Oct 9 - Mon, Oct 13

MDW

Midway Intl.

IAH

George Bush Intercontinental

$168 Roundtrip, found 2 days ago

$168

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Midway Intl. to George Bush Intercontinental, returning Mon, Oct 13, priced at $168 found 2 days ago

Sat, Aug 23 - Sat, Aug 23

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$211 Roundtrip, found 5 hours ago

$211

Roundtrip

found 5 hours ago

Select Delta flight, departing Sat, Aug 23 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 23, priced at $211 found 5 hours ago