Helping travelers to find the best flight offers
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Francisco to Saint Louis. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from San Francisco to Saint Louis:
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We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The cheapest one-way flight from San Francisco to Saint Louis departs on 01/04/2026, is operated by Frontier Airlines and costs $174
The cheapest roundtrip flight from San Francisco to Saint Louis departs on 12/27/2025, is operated by Southwest Airlines and costs $427
Fastest flight from San Francisco to Saint Louis takes 23h 29m
There are no direct flights on this route.
The distance between San Francisco and Saint Louis is 2802km (1737 miles). There are 15 direct flights from San Francisco to Saint Louis. The time difference between San Francisco and Saint Louis is 2h. Flights from San Francisco begin at 10:35 AM. The latest flight from San Francisco departs at 12:50 PM
Unable to find information about the schedule of direct flights from
A direct flight is the most convenient and comfortable way to fly from San Francisco to Saint Louis, despite the fact that sometimes flights with transfers can cost significantly less.
San Francisco — Saint Louis
01/04/2026
Departure
Direct flight
UA5997
Starting at $560
San Francisco — Saint Louis
01/05/2026
Departure
Direct flight
UA5997
Starting at $489
Starting at $489
Starting at $174
The route San Francisco — Saint Louis is served by several airlines: United Airlines and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $174 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
We couldn't find any special offers for flights from San Francisco to Saint Louis
The cheapest flight ticket from San Francisco to Saint Louis according to data for the last 48 hours costs $174
Often the best time to buy tickets from San Francisco to Saint Louis is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Francisco to Saint Louis can be found flying in these months: January.
The fastest flights from San Francisco to Saint Louis start from 23 hours 29 minutes in the air.
The following airlines operate direct flights on the route San Francisco — Saint Louis: United Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from San Francisco to Saint Louis