$499 Find Cheap Flights from Ireland to San Francisco - Compare and Save

In the last 5 days, the cheapest flight deal to San Francisco was found on the route from Shannon, at $509 return. The most popular connection is from Dublin to San Francisco and KAYAK users have found round-trip deals for as low as $509 in the last 5 days.

Based on KAYAK data, the cheapest day to fly to San Francisco is Tuesday where round-trip tickets can be as cheap as $647. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,049 on average.

The cheapest month for flights to San Francisco is January, where tickets cost $551 on average for return flights. On the other hand, the most expensive months are August and July, where the average cost of tickets from Ireland is $1,002 and $915 respectively. For one-way flights, the best month to travel is February with an average price of $566.

The cheapest time of day to fly to San Francisco is generally in the morning, when round-trip flights cost $757 on average. The most expensive time of day to fly to San Francisco is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $841.

If you’re looking for cheap airfare to San Francisco, 25% of our users found tickets to San Francisco for the following prices or less: From Dublin $789 round-trip.

To get a below average price, you should book around 2 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

The duration of your flight to San Francisco depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to San Francisco on KAYAK are from Dublin, which takes 11h 00m, Shannon, which takes 18h 31m, and Cork, which takes 26h 15m.

There are around 2,614 direct flights from within Ireland to San Francisco every day. Most flights depart in the morning, with 44% of flights departing in the morning.

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to San Francisco. Instead, there are 40 long-haul flights (6-12 hour flight duration), with the most arriving from Dublin.

From Ireland, there are direct flights to San Francisco from 1 city. This city is Dublin and there are 40 direct flights each week.