Cheap flights from California to Washington, D.C. from $81

If you’re not able to fly to Baltimore in August, then September is your next best option. Flight prices from California to Baltimore during September average around $258.

The cheapest day to depart from California to Baltimore is on a Friday. Travelers who choose to depart for Baltimore on a Friday will often find tickets for as low as $290. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $427. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

Flying to Baltimore from California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $268 when looking at flights departing in the afternoon. Flights at noon are often more expensive with an average ticket price of $451.

Fly from Ontario to Baltimore/Washington for the best California - Baltimore/Washington flight prices

You are more likely to see cheaper flights to Baltimore from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from California for as low as $233 on momondo.

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

United Airlines, Frontier, and Southwest are the most popular carriers operating from California to Baltimore/Washington

United Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Baltimore from California according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 9 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

As of February 2026, 22 flights take off from California and land in Baltimore each day. The most common flight departure time for this route is 9:00AM, with 45% of daily flights taking off in the evening.

As of February 2026, there are 154 flights per week flying from California to Baltimore. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.