Home >> Fares From A City >> St. Louis, MO >> St. Louis, MO (STL) To San Francisco, CA (SFO)
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    Wed, July 27, 2016
    Wed, November 16, 2016
Peter T.
Staff Airfare Analyst
Peter's Notes:
30% Off Promo Code Fare; Late Summer/Fall travel. No min. stay. Fare can be bought one-way for half the lowest roundtrip price.
Book this fare on FlyFrontier.com using promo code SAVE30 for Tue/Wed/Sat travel between Aug. 2 - Nov. 16, 2016. Blackout dates apply: Oct. 8 & 11, 2016. This fare may require a long layover in Denver.

This is the lowest fare found within the promo code travel period and may not be available throughout the entire travel period or on a daily basis. Some routes are seasonal and may not operate through the entire travel period.

Promo code takes 30% off the base fare only and does not apply to taxes/fees. This promo code expires at 11:59 p.m. ET on Jul. 27, 2016.

Frontier charges a $30-$35 fee each way for carry-on bags larger than 18x14x8 inches and a $25-$30 fee each way for first checked bag no larger than 62 linear inches (length + width + depth) and no heavier than 50 pounds. These bag fees apply to online purchases before check-in. Higher fees apply at the airport.

During booking on FlyFrontier.com, you can purchase "The Works", which includes one checked bag, one carry-on bag, stretch seating, no change fees, and refundability, for much less than purchasing these items separately.
Seats are not available on all flights or all dates of travel. You may need to have flexible travel dates to find this fare. Fares for travel on holidays may be higher.
All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included. Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.
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Reviews for St. Louis to San Francisco
1 Traveler Reviews
"Way to go, Southwest"
Flight from St. Louis to San Francisco
Airline: Southwest
RT/OW: roundtrip
Number of Stops: 1 stop in LAS
Date of Flight: November 2010
Seat Class: economy
Check-in Experience
In-flight Service
Seat Comfort
I didn't give this flight experience a 5 paws because my flight was delayed by 40 minutes, which isn't that much of a problem comparing to other airlines in my past experience. After all, SW was waiting for connection flight passengers. What I like most about Southwest is the 2 free checked bags allowance. All others are charging outrageous fees for such a basic travel necessity. I also enjoy the snacks SW pass out with their complimentary beverage. Way to go, Southwest!
Found by other travelers: St. Louis, MO (STL) to San Francisco, CA (SFO)
Flight from to San Francisco (STL - SFO)
Fri, Jun 13 - Wed, Jun 18
US Airways
Flight from to San Francisco (STL - SFO)
Fri, Jul 25 - Mon, Jul 28
Flight from to San Francisco (STL - SFO)
Thu, Jul 10 - Thu, Jul 10
Flight from to San Francisco (STL - SFO)
Thu, Jun 26 - Sat, Jun 28
Flight from to San Francisco (STL - SFO)
Sat, Jul 5 - Wed, Jul 9
Flight from to San Francisco (STL - SFO)
Fri, Oct 3 - Mon, Oct 6
Flight from to San Francisco (STL - SFO)
Sat, Jun 28 - Sun, Jul 6
Flight from to San Francisco (STL - SFO)
Sat, Jun 28 - Sun, Jul 6
Flight from to San Francisco (STL - SFO)
Sun, Jul 13 - Tue, Jul 15
Flight from to San Francisco (STL - SFO)
Wed, Aug 6 - Wed, Aug 13
There are approximately 659 flights covering the route from Lambert-St. Louis International Airport in to SFO International Airport in San Francisco, provided by as many as 10 airlines.
The following airlines often offer cheap flights from to San Francisco
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