Cheap flights from San Francisco (SFO) to Northern Ireland from $349

Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Northern Ireland. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

Yes, there are multiple flights from San Francisco to Northern Ireland for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $956, but on average you can expect to pay $1,297.

$493 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and Lufthansa, with prices starting from $503 and $527, respectively.

The most popular flight routes from San Francisco to Northern Ireland are San Francisco - Belfast Intl, San Francisco - Belfast City and San Francisco - Campbeltown Machrihanish.

San Francisco Airport is SFO and Belfast Intl Airport is BFS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY).

The amount of baggage you can bring on your San Francisco to Northern Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter San Francisco to Northern Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on San Francisco to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Northern Ireland.

Yes. Cheapflights offers flight deals from San Francisco to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from San Francisco to Northern Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on San Francisco to Northern Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The San Francisco to Northern Ireland flight deals you see on this page were last updated on 5/29.

Currently, February is the cheapest month in which you can book a flight from San Francisco to Northern Ireland (average of $641). Flying from San Francisco to Northern Ireland in June is currently the most expensive (average of $1,181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.