€447 Find Cheap Flights from Shannon to San Francisco – Compare and Save

Three cabin classes are available on flights from Shannon to San Francisco:

• Economy class
• Premium Economy Class
• Business Class

A direct flight from Shannon to San Francisco takes 00m, covering 13,032 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Shannon to San Francisco range from €673 to €878, with an average of €808 over the past 12 months. Anything below €673 counts as a good deal.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €642 to €5,449. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Shannon to San Francisco are currently lower than usual. Average one-way flight prices are about €495, which is 39% below the typical average for this route.

San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around €56 for economy cars. Top options include:

• Europcar
• Thrifty
• Dollar
• Hertz
• Fox

Flights from Shannon to San Francisco usually depart from Shannon (SNN) and arrive at San Francisco (SFO).

One-stop flights from Shannon to San Francisco most commonly connect through:

• New York John F Kennedy Intl (JFK) – 38% of one-stop connections
• London Heathrow (LHR) – 35% of one-stop connections
• Newark (EWR) – 21% of one-stop connections
• Chicago O'Hare Intl (ORD) – 6% of one-stop connections

Yes. Flexible dates can save you up to 29% on flights from Shannon to San Francisco. Wednesday is the cheapest departure day at €711 return on average, while Monday is the most expensive at €994, a difference of €283.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 14h 27m, compared to 14h 51m via Chicago O'Hare Intl (ORD) and 15h 15m via London Heathrow (LHR).

San Francisco is 7 hours behind Shannon (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Francisco are Union Square, Old St. Mary's Cathedral, and Chase Center. These are among the most viewed places in San Francisco on KAYAK.