$79 Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (ORD)

$79 Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (ORD)

Prices were available within the past 7 days and start at $79 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 14 - Mon, Mar 16

SFO

San Francisco

ORD

Chicago

$195 Roundtrip, found 4 days ago

$195

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Mar 14 from San Francisco to Chicago, returning Mon, Mar 16, priced at $195 found 4 days ago

Mon, Mar 30 - Mon, Apr 13

SFO

San Francisco

ORD

Chicago

$205 Roundtrip, found 4 days ago

$205

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Mar 30 from San Francisco to Chicago, returning Mon, Apr 13, priced at $205 found 4 days ago

Mon, Mar 30 - Thu, Apr 9

SFO

San Francisco

ORD

Chicago

$225 Roundtrip, found 4 days ago

$225

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Mar 30 from San Francisco to Chicago, returning Thu, Apr 9, priced at $225 found 4 days ago

Thu, Apr 2 - Mon, Apr 13

SFO

San Francisco

ORD

Chicago

$235 Roundtrip, found 4 days ago

$235

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Apr 2 from San Francisco to Chicago, returning Mon, Apr 13, priced at $235 found 4 days ago

Thu, Apr 2 - Thu, Apr 9

SFO

San Francisco

ORD

Chicago

$255 Roundtrip, found 4 days ago

$255

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Apr 2 from San Francisco to Chicago, returning Thu, Apr 9, priced at $255 found 4 days ago

Mon, Mar 16 - Thu, Mar 19

SFO

San Francisco

ORD

Chicago

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Mar 16 from San Francisco to Chicago, returning Thu, Mar 19, priced at $257 found 4 days ago