On our knowledge there are no direct flights Belfast - San Francisco.
From our control systems the cheapest prices for flights Belfast - San Francisco are from the Air companies Air France, Finnair, British Airways, KLM, Thomas Cook Airlines, United Airlines, Virgin Atlantic, American Airlines, Air Canada, British Airways, Aer Lingus, Iberia, KLM, United Airlines, Virgin Atlantic.
The prices displayed include all taxes, but they do NOT include any possible agency fees or management charges for issuing the air ticket. Our offers are NOT monitored in real time. Some low-cost companies may require a supplement for check-in luggage.