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 59% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 5 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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

Iberia, LEVEL, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to San Francisco

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

The number of flights available between Ireland and San Francisco is 2 per day as of July 2025. The most frequent departure time is 1:00PM, with 100% of daily flights leaving in the afternoon.

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

As of July 2025, there are 18 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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 45m. Keep in mind that layovers or delays could extend your travel time.

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 July 2025, there are 5 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.

$325 Cheap Flights from Ireland to San Francisco in 2025

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Find the cheapest flights from Ireland to San Francisco

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ireland to San Francisco

6:50 pm - 2:35 pmDUB-SFO

27h 45m1 stop

6:45 pm - 11:55 pmSFO-DUB

21h 10m2 stops

$439TAP AIR PORTUGAL

Find Deal

mar., sep. 2 - mar., sep. 16

7:05 pm - 4:30 pmDUB-SFO

29h 25m1 stop

7:40 pm - 11:50 amSFO-DUB

32h 10m1 stop

$444Scandinavian Airlines

Find Deal

jue., sep. 4 - mié., sep. 17

1:00 pm - 3:55 pmDUB-SFO

10h 55mnonstop

5:40 pm - 11:45 amSFO-DUB

10h 05mnonstop

$507Aer Lingus

Find Deal

jue., sep. 4 - jue., sep. 18

12:55 pm - 3:50 pmDUB-SFO

10h 55mnonstop

5:40 pm - 11:45 amSFO-DUB

10h 05mnonstop

$517Aer Lingus

Find Deal

vie., sep. 5 - jue., sep. 18

12:30 pm - 8:57 pmSNN-SFO

16h 27m1 stop

8:30 am - 7:30 amSFO-SNN

15h 00m1 stop

$598United Airlines

Find Deal

mié., sep. 3 - vie., sep. 19

9:30 am - 3:30 pmSNN-SFO

14h 00m1 stop

10:35 am - 7:30 amSFO-SNN

12h 55m1 stop

$710United Airlines

Find Deal

dom., ago. 31 - jue., sep. 18

7:20 am - 9:18 pmORK-SFO

21h 58m2 stops

9:00 am - 10:45 amSFO-ORK

17h 45m2 stops

$719British Airways

Find Deal

lun., sep. 15 - mar., sep. 30

8:30 pm - 5:52 pmORK-SFO

29h 22m2 stops

4:37 pm - 7:50 pmSFO-ORK

19h 13m2 stops

$725British Airways

Find Deal

sáb., ago. 30 - lun., sep. 29

7:20 am - 9:05 pmORK-SFO

21h 45m2 stops

1:21 pm - 3:15 pmSFO-ORK

17h 54m2 stops

$731American Airlines

Find Deal

lun., sep. 8 - mar., sep. 23

7:50 am - 10:12 pmSNN-SFO

22h 22m2 stops

2:06 pm - 4:45 pmSFO-SNN

18h 39m2 stops

$734American Airlines

Find Deal

mar., nov. 11 - jue., nov. 20

Lufthansa flights from Ireland to San Francisco

Our best Lufthansa deals on Ireland to San Francisco flight tickets

Lufthansa

Sep 2

SNN12:30 pmShannon

16h 27m

1 stop

SFO8:57 pmSan Francisco

Sep 16

SFO7:05 amSan Francisco

19h 10m

1 stop

SNN10:15 amShannon

$592

Find similar

Lufthansa

Sep 8

ORK5:10 pmCork

33h 50m

2 stops

SFO7:00 pmSan Francisco

Sep 23

SFO1:20 pmSan Francisco

19h 05m

1 stop

ORK4:25 pmCork

$625

Find similar

Lufthansa

Sep 15

ORK5:10 pmCork

33h 50m

2 stops

SFO7:00 pmSan Francisco

Sep 28

SFO2:40 pmSan Francisco

17h 45m

1 stop

ORK4:25 pmCork

$629

Find similar

United Airlines flights from Ireland to San Francisco

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

United Airlines

Sep 3

SNN12:30 pmShannon

16h 27m

1 stop

SFO8:57 pmSan Francisco

Sep 19

SFO8:30 amSan Francisco

15h 00m

1 stop

SNN7:30 amShannon

$598

Find similar

United Airlines

Aug 31

SNN9:30 amShannon

14h 00m

1 stop

SFO3:30 pmSan Francisco

Sep 18

SFO10:35 amSan Francisco

12h 55m

1 stop

SNN7:30 amShannon

$710

Find similar

United Airlines

Sep 13

SNN12:30 pmShannon

18h 30m

2 stops

SFO11:00 pmSan Francisco

Sep 20

SFO10:40 amSan Francisco

15h 35m

1 stop

SNN10:15 amShannon

$730

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

mar. 9/2

6:50 pm-2:35 pm

1 stop27h 45m

San Francisco

mar. 9/16

6:45 pm-11:55 pm

2 stops21h 10m

$439

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

jue. 9/4

7:05 pm-4:30 pm

1 stop29h 25m

San Francisco

mié. 9/17

7:40 pm-11:50 am

1 stop32h 10m

$444

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

jue. 9/4

1:00 pm-3:55 pm

Nonstop10h 55m

San Francisco

jue. 9/18

5:40 pm-11:45 am

Nonstop10h 05m

$507

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

vie. 9/5

12:55 pm-3:50 pm

Nonstop10h 55m

San Francisco

jue. 9/18

5:40 pm-11:45 am

Nonstop10h 05m

$517

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

mié. 9/3

12:30 pm-8:57 pm

1 stop16h 27m

San Francisco

vie. 9/19

8:30 am-7:30 am

1 stop15h 00m

$598

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

dom. 8/31

9:30 am-3:30 pm

1 stop14h 00m

San Francisco

jue. 9/18

10:35 am-7:30 am

1 stop12h 55m

$710

CorkSan Francisco

ORK - SFO

ORKSFO

Cork

lun. 9/15

7:20 am-9:18 pm

2 stops21h 58m

San Francisco

mar. 9/30

9:00 am-10:45 am

2 stops17h 45m

$719

CorkSan Francisco

ORK - SFO

ORKSFO

Cork

sáb. 8/30

8:30 pm-5:52 pm

2 stops29h 22m

San Francisco

lun. 9/29

4:37 pm-7:50 pm

2 stops19h 13m

$725

CorkSan Francisco

ORK - SFO

ORKSFO

Cork

lun. 9/8

7:20 am-9:05 pm

2 stops21h 45m

San Francisco

mar. 9/23

1:21 pm-3:15 pm

2 stops17h 54m

$731

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

mar. 11/11

7:50 am-10:12 pm

2 stops22h 22m

San Francisco

jue. 11/20

2:06 pm-4:45 pm

2 stops18h 39m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $598.

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 Thursday when prices can be found for as low as $650. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $786.

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 $818.

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 $705 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 $613 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 27% 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	$325
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 $325. The best round-trip flight deal from Ireland to San Francisco found on momondo in the last 72 hours is $439.

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 near San Francisco: 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 July 2025, there are 5 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 55.88% of all bookings. The subsequent popular models are Airbus A330 at 29.41%, Airbus A220-300 at 7.45%, and Airbus A330-200 at 2.75%.

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
Delta	PriceFrom $481	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
United Airlines	PriceFrom $544	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $549	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $593	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Calistoga

Hayward

Bodega Bay

Sonoma

Roseville

Santa Clara

Big Sur

Daly City

Berkeley

Walnut Creek

Fremont

Half Moon Bay

South San Francisco

Redwood City

Vallejo

Sunnyvale

Pacific Grove

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.

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.

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Cheap flights from Ireland to San Francisco from $325

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Ireland to San Francisco

Recent round-trip flight deals from Ireland to San Francisco

Recent one-way flight deals from Ireland to San Francisco

Recent last minute flight deals from Ireland to San Francisco

Recent direct flight deals from Ireland to San Francisco

Lufthansa flights from Ireland to San Francisco

Our best Lufthansa deals on Ireland to San Francisco flight tickets

United Airlines flights from Ireland to San Francisco

Our best United Airlines 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

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

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $598.

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 Thursday when prices can be found for as low as $650. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $786.

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 $818.

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 27% 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?

Iberia, LEVEL, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to San Francisco

What airlines fly to San Francisco?

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

The number of flights available between Ireland and San Francisco is 2 per day as of July 2025. The most frequent departure time is 1:00PM, with 100% of daily flights leaving in the afternoon.

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

As of July 2025, there are 18 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Mon, with 17% 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