Cheap flights from San Francisco to Birmingham from $378

The cheapest month to fly to Birmingham from San Francisco is in January. Flight prices, which tend to average around $654, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Birmingham, with average flight prices from San Francisco averaging around $704.

You are more likely to see cheaper flights to Birmingham from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Birmingham for around $872 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Birmingham from San Francisco for as low as $648 on momondo.

You could potentially save up to 14% on your flight if you consider stops on a San Francisco to Birmingham flight.

As of April 2026, prices for San Francisco to Birmingham flights are approximately 34% cheaper when compared to flights at the same time last year.

Aer Lingus and United Airlines are the most popular carriers operating from San Francisco to Birmingham

Aer Lingus, British Airways and Lufthansa are the top three most popular airlines that fly to Birmingham from San Francisco according to our data. Aer Lingus is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Birmingham. Keep in mind that there are 9 different airlines that fly to Birmingham on a routine basis, so you have a few additional options to choose from.

Amsterdam (AMS) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $724.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 38m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 35m.