Cheap flights from St Louis to San Francisco (STL - SFO)

Flight FAQs

From St Louis to San Francisco

Are flight prices decreasing from St Louis to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Lambert-St Louis to San Francisco to control the spread of COVID-19?

Alaska Airlines and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Lambert-St Louis to San Francisco include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Lambert-St Louis to San Francisco have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Frontier, and American Airlines flying from Lambert-St Louis to San Francisco have implemented new flexible cancellation policies.

Can I find flights from St Louis to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to San Francisco for under $200. The cheapest flight booked recently is on Frontier for just $115, but on average you can expect to pay $148.

Are there nonstop flights from St Louis to San Francisco for under $300 on Cheapflights?

Cheapflights has at least 12 direct flights from St Louis to San Francisco under $300. A good price for a nonstop flight from St Louis to San Francisco is less than $421.

Are there last-minute flights available from St Louis to San Francisco for under $200?

There are currently 20+ open flights from St Louis to San Francisco within the next 7 days for less than $200.

How popular is this flight route?

The Lambert-St Louis to San Francisco flight path was viewed by 78 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in St Louis or San Francisco?

The rainfall in St Louis is generally more than the rainfall in San Francisco. This will continue over the next 15 days.

Is St Louis weather warmer or cooler than San Francisco?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in San Francisco are colder than in St Louis.

How long is the flight from St Louis to San Francisco?

Airlines like Frontier fly from St Louis to San Francisco in about 6h 26m. The time it takes to get you to your destination can typically vary by up to .

What is the cheapest airline to fly from St Louis to San Francisco round-trip?

Our cheapest airline available from St Louis to San Francisco is Frontier. Our recent data shows that you can find tickets from as low as $115 on this airline. You may be able to fly from St Louis to San Francisco for 65% less than the average price by searching for this airline.

What are the cheapest airlines to fly from St Louis to San Francisco one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $50. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from St Louis to San Francisco for a low price.