€482 Find Cheap Flights from Shannon to San Francisco – Compare and Save

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

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

• Economy class
• Premium Economy Class
• Business Class

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

• London Heathrow (LHR) – 53% of one-stop connections
• New York John F Kennedy Intl (JFK) – 25% of one-stop connections
• Newark (EWR) – 10% of one-stop connections
• Chicago O'Hare Intl (ORD) – 10% of one-stop connections

London Heathrow (LHR) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 41% on the Shannon to San Francisco route. Wednesday is the cheapest departure day at €612 return on average, while Monday is the most expensive at €1,029, a difference of €416. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

A direct flight from Shannon to San Francisco takes 0h 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.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €632 to €4,331. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Shannon to San Francisco are currently higher than usual. Average one-way flight prices are about €1,480, which is 88% above the typical average for this route.

Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 14h 17m, compared to 15h 07m via Chicago O'Hare Intl (ORD) and 15h 39m via Boston Logan Intl (BOS).

San Francisco is 8 hours behind Shannon (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around €13 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Return flights from Shannon to San Francisco range from €619 to €846, with an average of €689 over the past 12 months. Anything below €619 counts as a good deal.