Cheap flights from Baltimore to San Francisco from $166

If you aren’t able to travel to San Francisco during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $460.

The cheapest day to depart from Baltimore to San Francisco is on a Thursday when prices can be found for as low as $535. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $790.

Our data shows that the cheapest Baltimore to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $527. Flights in the evening are often more expensive with an average ticket price of $706.

Fly from Baltimore/Washington to San Francisco for the best Baltimore/Washington - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $500 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Baltimore for as low as $377 on momondo.

There are 4 cabin classes available to choose from on Baltimore to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Baltimore to San Francisco.

As of July 2026, prices for Baltimore to San Francisco flights are approximately 27% cheaper when compared to flights at the same time last year.

United Airlines and Southwest are the most popular carriers operating from Baltimore/Washington to San Francisco

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to San Francisco from Baltimore according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 9 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Los Angeles (LAX) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Houston (IAH) offer the lowest average round-trip price of $232.

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 8h 15m.

Phoenix (PHX) has the shortest average layover time for this route: 0h 50m.

The number of flights available between Baltimore and San Francisco is 4 per day as of July 2026. The most frequent departure time is 6:00PM, with 60% of daily flights leaving in the evening.

The number of flights available between Baltimore and San Francisco is 33 per week as of July 2026. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.