At the moment, there are two airlines flying to San Francisco. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to San Francisco.
Delta Air Lines is the most popular airline that flies from Belfast Aldergrove International Airport to San Francisco. But it's still worth looking at other options, as there are ten flights to San Francisco every week. If you want to broaden your search, look at flights departing from other airports.
Your flight from Belfast Aldergrove International Airport to San Francisco will take at least 18 hrs 25 mins. On average, it takes 18 hrs 25 mins to fly the 8100 km distance. Take a look at flight times to see which one works best for you.
January is normally the cheapest month to fly to San Francisco, but it’s important to try different options when you search. Searching by month, for instance, will show you the best time of the week to fly. September is always the most expensive time to fly but, if you check regularly and book early, you have a better chance of getting a good deal.