St. Louis (STL) → San Francisco (SFO)
About St. Louis to San Francisco Flights
Discover the best flights from St. Louis to San Francisco, covering 2,786 km in approximately 3h 59m. St. Louis (STL) to San Francisco (SFO) is one of the popular medium-haul routes within United States. With 2 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from St. Louis to San Francisco.
12-Month Price History
Flight prices from St. Louis to San Francisco vary significantly throughout the year. February typically offers the best deals with average prices around $436, while July sees the highest prices, averaging $735. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
50 days
For best prices
Booking Tips
For the best prices on St. Louis to San Francisco flights, we recommend booking 68 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Alaska Airlines AS | $620 | $2280 | $4290 |
United Airlines UA | $640 | $2270 | $4000 |
Alaska Airlines
AS
Economy
$620
Business
$2280
First
$4290
United Airlines
UA
Economy
$640
Business
$2270
First
$4000
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
St. Louis → San Jose
St. Louis Lambert International (STL) to San Jose International (SJC)
Distance: 2,754 km
Average price: $513
St. Louis → Oakland
St. Louis Lambert International (STL) to Oakland International (OAK)
Distance: 2,770 km
Average price: $516
St. Louis → Sacramento
St. Louis Lambert International (STL) to Sacramento International (SMF)
Distance: 2,695 km
Average price: $504
St. Louis → San Jose
St. Louis Lambert International (STL) to San Jose International (SJC)
Distance: 2,754 km
Average price: $513
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to San Francisco, United States.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from St. Louis to San Francisco?
The flight time from St. Louis (STL) to San Francisco (SFO) is approximately 3 hours and 59 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between St. Louis and San Francisco?
The aerial distance between St. Louis and San Francisco is 2,786 kilometers (1,731 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from St. Louis to San Francisco?
Several airlines operate flights between St. Louis and San Francisco, including United Airlines, Alaska Airlines. Direct flights are available on this route.
What is the cheapest month to fly from St. Louis to San Francisco?
Based on historical data, February typically offers the lowest airfares for flights from St. Louis to San Francisco. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to San Francisco?
For the best prices on St. Louis to San Francisco flights, we recommend booking 41 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.
Do I need a visa to travel from St. Louis to San Francisco?
Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.
What is the time difference between St. Louis and San Francisco?
St. Louis operates on America/Chicago time zone, while San Francisco is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.