Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (MDW)

Cheap Frontier Airlines flights San Francisco (SFO) to Chicago (MDW)

Prices were available within the past 7 days and start at for one-way flights and $230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 19 - Thu, May 29

SFO

San Francisco

MDW

Chicago

$230 Roundtrip, found 5 days ago

$230

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, May 19 from San Francisco to Chicago, returning Thu, May 29, priced at $230 found 5 days ago

Mon, May 19 - Sat, May 31

SFO

San Francisco

MDW

Chicago

$240 Roundtrip, found 5 days ago

$240

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, May 19 from San Francisco to Chicago, returning Sat, May 31, priced at $240 found 5 days ago

Sat, May 24 - Sat, May 31

SFO

San Francisco

MDW

Chicago

$250 Roundtrip, found 5 days ago

$250

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 24 from San Francisco to Chicago, returning Sat, May 31, priced at $250 found 5 days ago

Wed, May 21 - Sat, May 31

SFO

San Francisco

MDW

Chicago

$260 Roundtrip, found 5 days ago

$260

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 21 from San Francisco to Chicago, returning Sat, May 31, priced at $260 found 5 days ago

Sat, May 24 - Sun, Jun 1

SFO

San Francisco

MDW

Chicago

$270 Roundtrip, found 5 days ago

$270

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 24 from San Francisco to Chicago, returning Sun, Jun 1, priced at $270 found 5 days ago

Mon, May 19 - Mon, May 26

SFO

San Francisco

MDW

Chicago

$271 Roundtrip, found 5 days ago

$271

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, May 19 from San Francisco to Chicago, returning Mon, May 26, priced at $271 found 5 days ago

Wed, May 21 - Sun, Jun 1

SFO

San Francisco

MDW

Chicago

$280 Roundtrip, found 5 days ago

$280

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 21 from San Francisco to Chicago, returning Sun, Jun 1, priced at $280 found 5 days ago

Sat, May 24 - Mon, May 26

SFO

San Francisco

MDW

Chicago

$281 Roundtrip, found 5 days ago

$281

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 24 from San Francisco to Chicago, returning Mon, May 26, priced at $281 found 5 days ago

Thu, May 22 - Sun, Jun 1

SFO

San Francisco

MDW

Chicago

$290 Roundtrip, found 5 days ago

$290

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, May 22 from San Francisco to Chicago, returning Sun, Jun 1, priced at $290 found 5 days ago

Wed, May 21 - Mon, May 26

SFO

San Francisco

MDW

Chicago

$291 Roundtrip, found 5 days ago

$291

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 21 from San Francisco to Chicago, returning Mon, May 26, priced at $291 found 5 days ago

Mon, May 19 - Tue, May 27

SFO

San Francisco

MDW

Chicago

$301 Roundtrip, found 5 days ago

$301

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, May 19 from San Francisco to Chicago, returning Tue, May 27, priced at $301 found 5 days ago

Fri, May 23 - Mon, May 26

SFO

San Francisco

MDW

Chicago

$310 Roundtrip, found 5 days ago

$310

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, May 23 from San Francisco to Chicago, returning Mon, May 26, priced at $310 found 5 days ago