Cheap flights from Glasgow Intl Airport to San Francisco from £324

The month of March is, on average, the cheapest month to fly to San Francisco from Glasgow Intl Airport, with most prices found around £587. If you are unable to visit San Francisco during the month of March, then departing from Glasgow Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around £587.

You are more likely to see cheaper flights to San Francisco from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £673 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Glasgow Intl Airport for as low as £461 on momondo.

You could potentially save up to 41% on your flight if you consider stops on a Glasgow Intl Airport to San Francisco flight.

As of August 2026, prices for Glasgow Intl Airport to San Francisco flights are approximately 18% cheaper when compared to flights at the same time last year.

British Airways is the most popular carrier operating from Glasgow Intl to San Francisco

British Airways, Aer Lingus and KLM are the top three most popular airlines that fly to San Francisco from Glasgow Intl Airport according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Dublin (DUB) was the most common stop: 55% of momondo users choosing one-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average return price of £685.

Flights connecting via London (LHR) have the shortest average one-way travel time: 14h 39m.

London (LHR) has the shortest average stopover time for this route: 2h 09m.