Cheap flights from San Francisco (SFO) to Belfast from $251

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Belfast. Flights to Belfast from San Francisco in October are about $868 on average during October, but can be found for as low as $570.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Belfast as you normally would.

Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Belfast. On average, San Francisco has 0 outbound flights to Belfast per day from 2 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

Some of our airline partners flying from San Francisco to Belfast have new flexible policies in place due to COVID-19. British Airways and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Yes, there are multiple flights from San Francisco to Belfast for under $700. The cheapest flight booked recently is on British Airways for just $668, but on average you can expect to pay $748.

Cheapflights users have booked flights from San Francisco to Belfast round-trip from $668. Other airlines that can offer you cheap pricing are Delta, from $676, and American Airlines, from $682. British Airways is 23% cheaper than the average price of flights available within the next 90 days to this destination.

$649 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and Virgin Atlantic, with prices starting from $651 and $749, respectively.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a San Francisco Airport to Belfast Intl Airport flight would often be abbreviated as a SFO to BFS flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).