Flights from San Francisco to Southwest Illinois

Cheapest flights from San Francisco

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.

Sun, Aug 24 - Sun, Aug 24

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$225 Roundtrip, found 23 hours ago

$225

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Aug 24 from San Francisco Intl. to Lambert-St. Louis Intl., returning Sun, Aug 24, priced at $225 found 23 hours ago

Sun, Aug 24 - Sun, Aug 31

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$237 Roundtrip, found 23 hours ago

$237

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Aug 24 from San Francisco Intl. to Lambert-St. Louis Intl., returning Sun, Aug 31, priced at $237 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$262 Roundtrip, found 23 hours ago

$262

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $262 found 23 hours ago

Fri, Aug 29 - Fri, Aug 29

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$266 Roundtrip, found 23 hours ago

$266

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Fri, Aug 29 from San Francisco Intl. to Lambert-St. Louis Intl., returning Fri, Aug 29, priced at $266 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$272 Roundtrip, found 23 hours ago

$272

Roundtrip

found 23 hours ago

Select Alaska Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $272 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$288 Roundtrip, found 23 hours ago

$288

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $288 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$290 Roundtrip, found 23 hours ago

$290

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $290 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$307 Roundtrip, found 23 hours ago

$307

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $307 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$317 Roundtrip, found 23 hours ago

$317

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $317 found 23 hours ago

Tue, Aug 26 - Tue, Aug 26

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$319 Roundtrip, found 23 hours ago

$319

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 26 from San Francisco Intl. to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $319 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$322 Roundtrip, found 23 hours ago

$322

Roundtrip

found 23 hours ago

Select Alaska Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $322 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$333 Roundtrip, found 23 hours ago

$333

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $333 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$333 Roundtrip, found 23 hours ago

$333

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $333 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$335 Roundtrip, found 23 hours ago

$335

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $335 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$341 Roundtrip, found 23 hours ago

$341

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $341 found 23 hours ago

Sat, Aug 30 - Sat, Aug 30

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$343 Roundtrip, found 23 hours ago

$343

Roundtrip

found 23 hours ago

Select Delta flight, departing Sat, Aug 30 from San Francisco Intl. to Lambert-St. Louis Intl., returning Sat, Aug 30, priced at $343 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$347 Roundtrip, found 23 hours ago

$347

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $347 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$351 Roundtrip, found 23 hours ago

$351

Roundtrip

found 23 hours ago

Select United flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $351 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$356 Roundtrip, found 23 hours ago

$356

Roundtrip

found 23 hours ago

Select Alaska Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $356 found 23 hours ago

Wed, Aug 27 - Thu, Aug 28

SFO

San Francisco Intl.

STL

Lambert-St. Louis Intl.

$361 Roundtrip, found 23 hours ago

$361

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $361 found 23 hours ago