Question 1

What is the cheapest time of day to depart on your flight to San Francisco?

Accepted Answer

According to our data, the cheapest time of day to fly to San Francisco is in the evening. momondo users have found flights departing from Ireland to San Francisco in the evening for as low as €526. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €948 on average. Flights to San Francisco from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 2

What is the most punctual flight time for Ireland to San Francisco flights?

Accepted Answer

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

Question 3

What is the cheapest Ireland to San Francisco flight route?

Accepted Answer

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

Question 4

How often are flights from Ireland to San Francisco delayed?

Accepted Answer

Historically, on average around 12% of flights between Ireland and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Question 5

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 6

What is the cheapest day to depart on your flight to San Francisco?

Accepted Answer

On average, the least expensive day to fly to San Francisco from Ireland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €575. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €692.

Question 7

What is the cheapest month to fly to San Francisco?

Accepted Answer

The cheapest month to fly to San Francisco from Ireland is in November. Flight prices, which tend to average around €490, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to San Francisco from Ireland during February instead. Flights to San Francisco in February, while not as cheap as those in November, still average around €496.

Question 8

What is the cheapest airline that flies from Ireland to San Francisco?

Accepted Answer

Aer Lingus and Icelandair are the most popular carriers operating from Ireland to San Francisco

Question 9

How long does it take to fly to San Francisco?

Accepted Answer

The flight from Ireland to San Francisco depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to San Francisco (the most popular airport in San Francisco), then the flight time is 10h 55m on average. If you fly from Cork (another popular airport in Ireland) to San Francisco, then the average flight time is 13h 50m.

Question 10

How many flights depart from Ireland to San Francisco on average per day?

Accepted Answer

As of December 2025, 2 flights take off from Ireland and land in San Francisco each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.

Question 11

Which airlines fly to San Francisco?

Accepted Answer

Aer Lingus, United Airlines and British Airways are the top three most popular airlines that fly to San Francisco from Ireland according to our data. Aer Lingus is the first choice among our users, with 62% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Question 12

Can stopping save me money on Ireland to San Francisco flights?

Accepted Answer

You could potentially save up to 36% on your flight if you consider stops on a Ireland to San Francisco flight.

Question 13

How far in advance should I book a flight to San Francisco?

Accepted Answer

You are more likely to see cheaper flights to San Francisco from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around €600 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Ireland for as low as €522 on momondo.

Question 14

How many flights depart from Ireland to San Francisco on average per week?

Accepted Answer

The number of flights available between Ireland and San Francisco is 17 per week as of December 2025. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.

Question 15

Which airline has the best punctuality record on Ireland to San Francisco flights?

Accepted Answer

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

Question 16

What cabin class options are available on Ireland to San Francisco flights?

Accepted Answer

There are 2 cabin classes available to choose from on Ireland to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 17

When did momondo last update prices for flights from Ireland to San Francisco Airport?

Accepted Answer

Prices for flights from Ireland to San Francisco Airport were last updated today.

Question 18

How many operators does momondo search for flights from Ireland to San Francisco Airport?

Accepted Answer

The number of operators available for flights from Ireland to San Francisco Airport is 6 as of December 2025.

Question 19

How old do you have to be to fly from Ireland to San Francisco Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to San Francisco Airport.

Question 20

What documentation or ID do you need to fly to San Francisco Airport?

Accepted Answer

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	€458
Fastest flight time	10h 55m
Direct flights	Every day
Airports in San Francisco	1 airport

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom €298	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
British Airways	PriceFrom €395	Free Cancellation	Rating 6.7 7,564 reviews	Search British Airways flights
Aer Lingus	PriceFrom €437	Free Cancellation	Rating 7.2 1,389 reviews	Search Aer Lingus flights
American Airlines	PriceFrom €532	Free Cancellation	Rating 7.2 11,044 reviews	Search American Airlines flights
United Airlines	PriceFrom €561	Free Cancellation	Rating 7.4 9,076 reviews	Search United Airlines flights
Air Canada	PriceFrom €590	Free Cancellation	Rating 7.1 10,512 reviews	Search Air Canada flights

Cheap flights from Ireland to San Francisco from €333

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What is the cheapest month to fly to San Francisco?

What is the cheapest day to depart on your flight to San Francisco?

What is the cheapest time of day to depart on your flight to San Francisco?

What is the cheapest Ireland to San Francisco flight route?

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

How far in advance should I book a flight to San Francisco?

What cabin class options are available on Ireland to San Francisco flights?

There are 2 cabin classes available to choose from on Ireland to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to San Francisco flights?

You could potentially save up to 36% on your flight if you consider stops on a Ireland to San Francisco flight.

What is the cheapest airline that flies from Ireland to San Francisco?

Aer Lingus and Icelandair are the most popular carriers operating from Ireland to San Francisco

Which airlines fly to San Francisco?

How often are flights from Ireland to San Francisco delayed?

Historically, on average around 12% of flights between Ireland and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

What is the most punctual flight time for Ireland to San Francisco flights?

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

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ireland to San Francisco flights?

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

How many flights depart from Ireland to San Francisco on average per day?

As of December 2025, 2 flights take off from Ireland and land in San Francisco each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.

How many flights depart from Ireland to San Francisco on average per week?

The number of flights available between Ireland and San Francisco is 17 per week as of December 2025. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.

How long does it take to fly to San Francisco?

Cheap Ireland to San Francisco flight deals and tips

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When did momondo last update prices for flights from Ireland to San Francisco Airport?

How many operators does momondo search for flights from Ireland to San Francisco Airport?

How old do you have to be to fly from Ireland to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Ireland to San Francisco?

Best airlines flying from Ireland to San Francisco

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