$120 Cheap Frontier Airlines flights San Diego (SAN) to Chicago (ORD)

$120 Cheap Frontier Airlines flights San Diego (SAN) to Chicago (ORD)

Prices were available within the past 7 days and start at $120 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 25 - Thu, Jul 31

SAN

San Diego

ORD

Chicago

$199 Roundtrip, found 5 days ago

$199

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from San Diego to Chicago, returning Thu, Jul 31, priced at $199 found 5 days ago

Tue, Jul 22 - Thu, Jul 31

SAN

San Diego

ORD

Chicago

$219 Roundtrip, found 5 days ago

$219

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jul 22 from San Diego to Chicago, returning Thu, Jul 31, priced at $219 found 5 days ago

Tue, Jul 22 - Fri, Jul 25

SAN

San Diego

ORD

Chicago

$220 Roundtrip, found 5 days ago

$220

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jul 22 from San Diego to Chicago, returning Fri, Jul 25, priced at $220 found 5 days ago

Mon, Jul 21 - Thu, Jul 31

SAN

San Diego

ORD

Chicago

$224 Roundtrip, found 5 days ago

$224

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from San Diego to Chicago, returning Thu, Jul 31, priced at $224 found 5 days ago

Wed, Jul 23 - Mon, Jul 28

SAN

San Diego

ORD

Chicago

$235 Roundtrip, found 5 days ago

$235

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Diego to Chicago, returning Mon, Jul 28, priced at $235 found 5 days ago

Sun, Aug 3 - Tue, Aug 12

SAN

San Diego

ORD

Chicago

$241 Roundtrip, found 12 hours ago

$241

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from San Diego to Chicago, returning Tue, Aug 12, priced at $241 found 12 hours ago

Sun, Jul 20 - Thu, Jul 31

SAN

San Diego

ORD

Chicago

$246 Roundtrip, found 5 days ago

$246

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from San Diego to Chicago, returning Thu, Jul 31, priced at $246 found 5 days ago

Sat, Aug 2 - Thu, Aug 14

SAN

San Diego

ORD

Chicago

$248 Roundtrip, found 12 hours ago

$248

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, Aug 2 from San Diego to Chicago, returning Thu, Aug 14, priced at $248 found 12 hours ago