Flights from Chicago to Fallbrook

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.

Tue, Jul 1 - Sat, Jul 5

ORD

O'Hare Intl.

SAN

San Diego Intl.

$208 Roundtrip, found 6 days ago

$208

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jul 1 from O'Hare Intl. to San Diego Intl., returning Sat, Jul 5, priced at $208 found 6 days ago

Fri, Jun 13 - Tue, Jun 17

ORD

O'Hare Intl.

SAN

San Diego Intl.

$214 Roundtrip, found 10 hours ago

$214

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from O'Hare Intl. to San Diego Intl., returning Tue, Jun 17, priced at $214 found 10 hours ago

Fri, Jun 13 - Tue, Jun 17

ORD

O'Hare Intl.

SAN

San Diego Intl.

$219 Roundtrip, found 10 hours ago

$219

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from O'Hare Intl. to San Diego Intl., returning Tue, Jun 17, priced at $219 found 10 hours ago

Sat, Oct 4 - Sat, Oct 11

ORD

O'Hare Intl.

SAN

San Diego Intl.

$219 Roundtrip, found 5 days ago

$219

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Oct 4 from O'Hare Intl. to San Diego Intl., returning Sat, Oct 11, priced at $219 found 5 days ago

Fri, Jun 13 - Sat, Jun 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$223 Roundtrip, found 10 hours ago

$223

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from O'Hare Intl. to San Diego Intl., returning Sat, Jun 14, priced at $223 found 10 hours ago

Mon, Jun 30 - Mon, Jul 7

ORD

O'Hare Intl.

SAN

San Diego Intl.

$225 Roundtrip, found 6 days ago

$225

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jun 30 from O'Hare Intl. to San Diego Intl., returning Mon, Jul 7, priced at $225 found 6 days ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$228 Roundtrip, found 5 days ago

$228

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Oct 7 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $228 found 5 days ago

Fri, Jun 13 - Tue, Jun 17

ORD

O'Hare Intl.

SAN

San Diego Intl.

$230 Roundtrip, found 10 hours ago

$230

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from O'Hare Intl. to San Diego Intl., returning Tue, Jun 17, priced at $230 found 10 hours ago

Sat, Oct 4 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$230 Roundtrip, found 5 days ago

$230

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Oct 4 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $230 found 5 days ago

Sun, Jun 29 - Mon, Jul 7

ORD

O'Hare Intl.

SAN

San Diego Intl.

$232 Roundtrip, found 6 days ago

$232

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jun 29 from O'Hare Intl. to San Diego Intl., returning Mon, Jul 7, priced at $232 found 6 days ago

Sun, Oct 5 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$234 Roundtrip, found 5 days ago

$234

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Oct 5 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $234 found 5 days ago

Sun, Oct 5 - Thu, Oct 16

ORD

O'Hare Intl.

SAN

San Diego Intl.

$237 Roundtrip, found 5 days ago

$237

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Sun, Oct 5 from O'Hare Intl. to San Diego Intl., returning Thu, Oct 16, priced at $237 found 5 days ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$237 Roundtrip, found 5 days ago

$237

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Tue, Oct 7 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $237 found 5 days ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$237 Roundtrip, found 5 days ago

$237

Roundtrip

found 5 days ago

Select United flight, departing Tue, Oct 7 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $237 found 5 days ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$237 Roundtrip, found 5 days ago

$237

Roundtrip

found 5 days ago

Select American Airlines flight, departing Tue, Oct 7 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $237 found 5 days ago

Fri, Jun 13 - Sun, Jun 15

ORD

O'Hare Intl.

SAN

San Diego Intl.

$238 Roundtrip, found 10 hours ago

$238

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from O'Hare Intl. to San Diego Intl., returning Sun, Jun 15, priced at $238 found 10 hours ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$257 Roundtrip, found 5 days ago

$257

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Oct 7 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $257 found 5 days ago

Mon, Nov 10 - Sun, Nov 16

MDW

Midway Intl.

SNA

John Wayne

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Nov 10 from Midway Intl. to John Wayne, returning Sun, Nov 16, priced at $257 found 1 day ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

CLD

McClellan-Palomar

$330 Roundtrip, found 5 days ago

$330

Roundtrip

found 5 days ago

Select American Airlines flight, departing Tue, Oct 7 from O'Hare Intl. to McClellan-Palomar, returning Tue, Oct 14, priced at $330 found 5 days ago

Tue, Oct 7 - Tue, Oct 14

ORD

O'Hare Intl.

SAN

San Diego Intl.

$403 Roundtrip, found 5 days ago

$403

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Tue, Oct 7 from O'Hare Intl. to San Diego Intl., returning Tue, Oct 14, priced at $403 found 5 days ago