Cheap flights from San Francisco to Dublin from $284

In general, February is the cheapest month to fly from San Francisco to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $639. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from San Francisco to Dublin during January average around $682.

The cheapest day to depart from San Francisco to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $742. Flights from San Francisco to Dublin on a Friday will generally be more expensive and average around $866. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the evening is the cheapest time of day to fly from San Francisco to Dublin when you can find flight prices for as low as $674. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $808.

Fly from San Francisco to Dublin for the best San Francisco - Dublin flight prices

You are more likely to see cheaper flights to Dublin from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $775 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from San Francisco for as low as $718 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between San Francisco to Dublin.

As of February 2026, prices for San Francisco to Dublin flights are approximately 10% more expensive when compared to flights at the same time last year.

Historically, on average around 10% of flights between San Francisco and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 165 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Copenhagen (CPH) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $533.

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 11h 39m.

Washington, D.C. (IAD) has the shortest average layover time for this route: 0h 46m.

As of February 2026, there are 1 flights per day flying from San Francisco to Dublin. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

The number of flights available between San Francisco and Dublin is 12 per week as of February 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.