St. Louis, MO STL to San Francisco, CA SFO Flights

Cheap plane tickets from St. Louis, MO to San Francisco, CA can start from as little as $243 (€197) when you book in advance. The average flight ticket price for St. Louis, MO to San Francisco, CA is $429 (€348); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.

On average the St. Louis, MO to San Francisco, CA flight travel time is 4 h 25 min   for the 1737 mile (2802 km) long route, but the duration can vary if you travel on weekends and holidays.

The earliest flight from St. Louis, MO to San Francisco, CA leaves at 12: 09AM. Plan your trip with the Journey Planner   from Omio.

The latest flight from St. Louis, MO to San Francisco, CA leaves at 11: 55PM.

The cheapest month for a flight from St. Louis, MO to San Francisco, CA is April.

You have options as you can travel to San Francisco, CA from St. Louis, MO 3 different ways: bus, train or flight.

Since neither St. Louis, MO nor San Francisco, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 2 h between St. Louis, MO and San Francisco, CA all year round.

The best events to attend in San Francisco, CA include:

• Fleet Week, a maritime celebration featuring the Blue Angels and naval ship tours
• Outside Lands, a major music festival showcasing top artists and local food
• Chinese New Year Parade, the largest Lunar New Year celebration outside Asia with colorful floats and performances
• Hardly Strictly Bluegrass, a free music festival in Golden Gate Park featuring a diverse lineup of bluegrass and folk artists.

The best holidays to experience in San Francisco, CA include:

• Thanksgiving, mild weather and a festive atmosphere with family gatherings
• Christmas, beautiful decorations and holiday spirit throughout the city
• Memorial Day, the start of summer with outdoor activities and parades
• Labor Day, a long weekend perfect for enjoying the city's parks and beaches.

The best seasons to visit San Francisco, CA are Spring or Fall. The best weather to explore San Francisco, CA is during April-June or September-November.

For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.