$90 Cheap Frontier Airlines flights Chicago (ORD) to San Francisco (SFO)

$90 Cheap Frontier Airlines flights Chicago (ORD) to San Francisco (SFO)

Prices were available within the past 7 days and start at $90 for one-way flights and $236 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Thu, Nov 20

ORD

Chicago

SFO

San Francisco

$236 Roundtrip, found 21 hours ago

$236

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Nov 18 from Chicago to San Francisco, returning Thu, Nov 20, priced at $236 found 21 hours ago

Sun, Dec 14 - Sat, Jan 10

ORD

Chicago

SFO

San Francisco

$238 Roundtrip, found 4 days ago

$238

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Dec 14 from Chicago to San Francisco, returning Sat, Jan 10, priced at $238 found 4 days ago

Sun, Dec 14 - Mon, Jan 5

ORD

Chicago

SFO

San Francisco

$242 Roundtrip, found 4 days ago

$242

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Dec 14 from Chicago to San Francisco, returning Mon, Jan 5, priced at $242 found 4 days ago

Tue, Nov 18 - Tue, Nov 25

ORD

Chicago

SFO

San Francisco

$247 Roundtrip, found 21 hours ago

$247

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Nov 18 from Chicago to San Francisco, returning Tue, Nov 25, priced at $247 found 21 hours ago

Mon, Nov 10 - Mon, Nov 24

ORD

Chicago

SFO

San Francisco

$262 Roundtrip, found 5 days ago

$262

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Nov 10 from Chicago to San Francisco, returning Mon, Nov 24, priced at $262 found 5 days ago

Tue, Nov 18 - Mon, Dec 1

ORD

Chicago

SFO

San Francisco

$276 Roundtrip, found 21 hours ago

$276

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Nov 18 from Chicago to San Francisco, returning Mon, Dec 1, priced at $276 found 21 hours ago