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

Aer Lingus, American Airlines, and KLM are the most popular carriers operating from Ireland to San Francisco

What airlines fly to San Francisco?

Aer Lingus, American Airlines and United Airlines 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 72% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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 in the early afternoon have, in the past, seen delays more frequently in comparison.

How long does it take to fly to San Francisco?

Flight times from Ireland to San Francisco vary, but if you’re flying out of Dublin and flying into San Francisco (one of the most popular routes), then the duration is 10h 55m on average. Another popular route from Ireland to San Francisco is flying from Cork to San Francisco, which will take roughly 13h 50m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

As of December 2025, there are 6 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Tue, with 50% of flights taking off on this day.

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.

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

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

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

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

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

As of December 2025, there are 3 operators available to choose from for flights from Ireland to San Francisco Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to San Francisco Airport.

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

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$334 Cheap Flights from Ireland to San Francisco in 2025/26

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Recent round-trip flight deals from Ireland to San Francisco

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11:30 am - 2:35 pm

DUB

SFO

35h 05m2 stops

5:40 pm - 6:20 pm

SFO

DUB

17h 40m1 stop

$498Scandinavian Airlines

Thu, Mar 5 - Mon, Mar 9

12:30 pm - 2:35 pm

DUB

SFO

34h 05m1 stop

4:40 pm - 9:25 am

SFO

DUB

32h 45m1 stop

$499Scandinavian Airlines

Fri, Jan 16 - Fri, Jan 23

11:30 am - 2:35 pm

DUB

SFO

35h 05m2 stops

4:40 pm - 9:25 am

SFO

DUB

32h 45m1 stop

$500Scandinavian Airlines

Thu, Jan 15 - Thu, Jan 22

6:00 am - 11:50 am

ORK

SFO

13h 50m1 stop

3:40 pm - 2:45 pm

SFO

ORK

15h 05m1 stop

$589Multiple Airlines

Thu, Jan 15 - Thu, Jan 29

7:55 am - 3:35 pm

CFN

SFO

15h 40m1 stop

5:20 pm - 8:00 pm

SFO

CFN

18h 40m1 stop

$658Aer Lingus

Fri, Jan 30 - Fri, Feb 6

7:50 am - 12:47 am

SNN

SFO

24h 57m2 stops

6:00 am - 11:30 am

SFO

SNN

21h 30m2 stops

$724American Airlines

Wed, Jan 28 - Sun, Feb 1

7:50 am - 8:10 pm

SNN

SFO

20h 20m2 stops

10:11 am - 11:30 am

SFO

SNN

17h 19m2 stops

$725American Airlines

Fri, Jan 16 - Sun, Jan 18

12:30 pm - 10:43 pm

SNN

SFO

18h 13m2 stops

6:00 am - 7:30 am

SFO

SNN

17h 30m1 stop

$766United Airlines

Fri, May 15 - Tue, May 26

12:30 pm - 10:43 pm

SNN

SFO

18h 13m2 stops

6:00 am - 7:30 am

SFO

SNN

17h 30m2 stops

$767United Airlines

Fri, May 15 - Tue, May 26

7:55 am - 3:35 pm

CFN

SFO

15h 40m1 stop

5:30 pm - 8:00 pm

SFO

CFN

18h 30m2 stops

$822Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

Scandinavian Airlines flights from Ireland to San Francisco

Our best Scandinavian Airlines deals on Ireland to San Francisco flight tickets

Scandinavian Airlines

Mar 5

DUB11:30 amDublin

35h 05m

2 stops

SFO2:35 pmSan Francisco

Mar 9

SFO5:40 pmSan Francisco

17h 40m

1 stop

DUB6:20 pmDublin

$498

Find similar

Scandinavian Airlines

Jan 16

DUB12:30 pmDublin

34h 05m

1 stop

SFO2:35 pmSan Francisco

Jan 23

SFO4:40 pmSan Francisco

32h 45m

1 stop

DUB9:25 amDublin

$499

Find similar

Scandinavian Airlines

Jan 15

DUB11:30 amDublin

35h 05m

2 stops

SFO2:35 pmSan Francisco

Jan 22

SFO4:40 pmSan Francisco

32h 45m

1 stop

DUB9:25 amDublin

$500

Find similar

British Airways flights from Ireland to San Francisco

Our best British Airways deals on Ireland to San Francisco flight tickets

British Airways

Jan 12

DUB8:40 pmDublin

26h 20m

1 stop

SFO3:00 pmSan Francisco

Jan 25

SFO5:30 pmSan Francisco

13h 35m

1 stop

DUB3:05 pmDublin

$560

Find similar

British Airways

Jan 14

DUB8:50 amDublin

14h 10m

1 stop

SFO3:00 pmSan Francisco

Jan 31

SFO5:30 pmSan Francisco

13h 30m

1 stop

DUB3:00 pmDublin

$561

Find similar

British Airways

May 15

DUB7:00 pmDublin

26h 50m

1 stop

SFO1:50 pmSan Francisco

May 26

SFO4:35 pmSan Francisco

18h 55m

1 stop

DUB7:30 pmDublin

$565

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 3/5

11:30 am-2:35 pm

2 stops35h 05m

San Francisco

Mon 3/9

5:40 pm-6:20 pm

1 stop17h 40m

$498

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 1/16

12:30 pm-2:35 pm

1 stop34h 05m

San Francisco

Fri 1/23

4:40 pm-9:25 am

1 stop32h 45m

$499

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 1/15

11:30 am-2:35 pm

2 stops35h 05m

San Francisco

Thu 1/22

4:40 pm-9:25 am

1 stop32h 45m

$500

CorkSan Francisco

ORK - SFO

ORKSFO

Cork

Thu 1/15

6:00 am-11:50 am

1 stop13h 50m

San Francisco

Thu 1/29

3:40 pm-2:45 pm

1 stop15h 05m

$589

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Fri 1/30

7:55 am-3:35 pm

1 stop15h 40m

San Francisco

Fri 2/6

5:20 pm-8:00 pm

1 stop18h 40m

$658

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Wed 1/28

7:50 am-12:47 am

2 stops24h 57m

San Francisco

Sun 2/1

6:00 am-11:30 am

2 stops21h 30m

$724

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 1/16

7:50 am-8:10 pm

2 stops20h 20m

San Francisco

Sun 1/18

10:11 am-11:30 am

2 stops17h 19m

$725

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/15

12:30 pm-10:43 pm

2 stops18h 13m

San Francisco

Tue 5/26

6:00 am-7:30 am

1 stop17h 30m

$766

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/15

12:30 pm-10:43 pm

2 stops18h 13m

San Francisco

Tue 5/26

6:00 am-7:30 am

2 stops17h 30m

$767

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Fri 1/30

7:55 am-3:35 pm

1 stop15h 40m

San Francisco

Fri 2/6

5:30 pm-8:00 pm

2 stops18h 30m

$822

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How to get the cheapest flight ticket from Ireland to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $578.

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

The cheapest day to depart from Ireland to San Francisco is on a Saturday when prices can be found for as low as $672. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $818.

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

Our data shows that the cheapest Ireland to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $627. Flights at noon are often more expensive with an average ticket price of $739.

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?

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 $700 when searching weeks out. 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 $608 on momondo.

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

There are 4 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 24% on your flight if you consider stops on a Ireland to San Francisco flight.

Cheap Ireland to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San Francisco

Best Price Found	$581
Fastest flight time	10h 55m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Ireland in the past 72 hours is $581. The best round-trip flight deal from Ireland to San Francisco found on momondo in the last 72 hours is $600.

The fastest flight from Ireland to San Francisco takes 10h 55m

Direct flights go from Ireland to San Francisco every day.

There is 1 airport in San Francisco. From Ireland there are direct flights to San Francisco (SFO).

Search flight deals

When did momondo last update prices for flights from Ireland to San Francisco Airport?
Prices for flights from Ireland to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Ireland to San Francisco Airport?
As of December 2025, there are 3 operators available to choose from for flights from Ireland to San Francisco Airport.
How old do you have to be to fly from Ireland to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ireland to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Ireland to San Francisco is Airbus A330-300, representing 52.10% of all bookings. The subsequent popular models are Airbus A330 at 20.72%, Airbus A330-200 at 19.07%, and Airbus A220-300 at 4.80%.

Best airlines flying from Ireland to San Francisco

Compare and see reviews for airlines that fly from Ireland to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $482	Free Cancellation	Rating 7.2 1,395 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $593	Free Cancellation	Rating 7.2 11,053 reviews	Search American Airlines flights
United Airlines	PriceFrom $613	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Ireland to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Ireland.

Can I find flights from Ireland to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Ireland to San Francisco?

momondo helps you find the best flight between Ireland and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Ireland to San Francisco from $423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to San Francisco departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Ireland to San Francisco

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Scandinavian Airlines flights from Ireland to San Francisco

Our best Scandinavian Airlines deals on Ireland to San Francisco flight tickets

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Our best British Airways deals on Ireland to San Francisco flight tickets

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Use the filters below to find and compare flights from Ireland to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from Ireland to San Francisco

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $578.

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

The cheapest day to depart from Ireland to San Francisco is on a Saturday when prices can be found for as low as $672. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $818.

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

Our data shows that the cheapest Ireland to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $627. Flights at noon are often more expensive with an average ticket price of $739.

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 4 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 24% 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, American Airlines, and KLM are the most popular carriers operating from Ireland to San Francisco

What 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 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 which experiences the fewest number of 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 least number of 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 week?

As of December 2025, there are 6 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Tue, with 50% of flights taking off on this day.

How long does it take to fly to San Francisco?

Cheap Ireland to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San Francisco

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

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

Compare and see reviews for airlines that fly from Ireland to San Francisco with momondo

Traveling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to San Francisco?

Can I find flights from Ireland to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Ireland to San Francisco?

I’m not ready to book a flight from Ireland to San Francisco right now. Can momondo alert me if prices change?

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California