How popular is this Ireland to San Francisco flight route?

The Ireland to San Francisco flight path was viewed by 108 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Ireland to San Francisco?

There are many flights that can get you from Ireland to San Francisco in 14h. Fly via Scandinavian Airlines, United Airlines, or Delta to get the fastest option. Ireland and San Francisco are separated by a distance of 5081 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from Ireland to San Francisco?

While on average a flight from Ireland to San Francisco is generally £858, our data shows the cheapest flight currently is £236. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £512 for that flight.

What are the most reliable airlines from Ireland to San Francisco?

The top 3 most reliable airlines when flying from Ireland to San Francisco are American Airlines (67%), Aer Lingus (67%) and Iberia (67%).

What airport do you fly into for flights to San Francisco from Ireland?

Located just 11.0 mi from the city center, San Francisco (SFO) is the airport most travelers will use when flying to San Francisco from Ireland.

Can I find deals for flights from Ireland to San Francisco that include hotel bookings?

Yes. In addition to deals on Ireland to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Francisco.

Can I find deals for business class flights from Ireland to San Francisco?

Yes. Cheapflights offers flight deals from Ireland to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£304+ Cheap Flights from Ireland to San Francisco

Cheap flight deals from Ireland to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ireland to San Francisco
Explore the most affordable flight options available from Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Wed 4/1112:35 -

2 stops34h 15m

Sat 14/1116:45 -

2 stops34h 00m

Deal found 17/9£304

Tue 17/1112:30 -

1 stop34h 20m

Wed 2/1216:45 -

1 stop35h 00m

Deal found 17/9£384

Wed 28/1012:30 -

1 stop34h 20m

Wed 4/1116:45 -

1 stop35h 00m

Deal found 13/9£417

Thu 5/1112:30 -

1 stop34h 20m

Fri 13/1116:45 -

1 stop32h 40m

Deal found 14/9£434

Tue 6/1012:40 -

1 stop34h 00m

Sun 11/1016:45 -

1 stop17h 35m

Deal found 14/9£447

Mon 12/1019:05 -

1 stop27h 35m

Mon 19/1016:45 -

2 stops33h 25m

Deal found 14/9£448

Sun 1/1118:35 -

1 stop29h 55m

Sun 8/1119:25 -

1 stop31h 55m

Deal found 17/9£449

Tue 17/1119:05 -

1 stop27h 45m

Sun 22/1116:45 -

1 stop35h 00m

Deal found 16/9£449

Fri 6/1112:10 -

1 stop36h 20m

Sun 22/1119:25 -

1 stop31h 55m

Deal found 15/9£452

Find flight deals from Ireland to San Francisco

Round-trip from	£304
Popular in	August
Cheapest in	January
Average price	£624
Good round-trip deal	£534 or less
Good one-way deal	£584 or less

Scandinavian Airlines
4/11-14/11
4 total stops
68h 15m total
Ireland to San Francisco

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£98 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Ireland to San Francisco.

Search Deals

Price to beat on a one-way flight from Ireland to San Francisco.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Mon 2/11

20:40-14:55

1 stop26h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£396

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Fri 6/11

18:25-14:55

1 stop28h 30m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£400

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Sat 28/11

05:45-21:23

2 stops23h 38m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£412

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Tue 29/9

10:00-14:35

2 stops36h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£417

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Wed 30/9

10:40-00:56

1 stop22h 16m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£434

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Wed 14/10

11:30-22:21

1 stop18h 51m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£452

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Fri 27/11

05:45-19:49

2 stops22h 04m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£460

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Wed 4/11

12:35-14:50

2 stops34h 15m

San Francisco

Sat 14/11

16:45-10:45

2 stops34h 00m

£464

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Thu 29/10

19:55-21:10

1 stop32h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£466

DublinSan Francisco

DUB Dublin - SFO San Francisco

DUBSFO

Dublin

Tue 6/10

11:40-14:40

2 stops35h 00m

San Francisco

Sun 11/10

16:45-10:55

2 stops34h 10m

£485

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Ireland to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ireland with our price prediction graph.

DUB-SFO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to San Francisco

IE0-SFO

DUB-SFO

What is the cheapest month to book a flight from Ireland to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £426). Flying from Ireland to San Francisco in August is currently the most expensive (average of £769). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to SFO?

When flying from Ireland to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Ireland to San Francisco delayed?

About 14% of weekly flights between Ireland and San Francisco have experienced delays in the past year, with the average delay time being 119 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from Ireland to San Francisco?

The price you pay for your flight from Ireland to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with Aer Lingus and Iberia from Ireland to San Francisco to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,765 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Aer Lingus

7.3

Good

1,765 reviews

Aer Lingus

7.3

Good

1,765 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Iberia

7.0

Good

3,249 reviews

Aer Lingus

7.3

Good

1,765 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Related info for your journey

What airport do you fly into for flights to San Francisco from Ireland?
Located just 11.0 mi from the city center, San Francisco (SFO) is the airport most travelers will use when flying to San Francisco from Ireland.
How popular is this Ireland to San Francisco flight route?
The Ireland to San Francisco flight path was viewed by 108 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Ireland to San Francisco?
There are many flights that can get you from Ireland to San Francisco in 14h. Fly via Scandinavian Airlines, United Airlines, or Delta to get the fastest option. Ireland and San Francisco are separated by a distance of 5081 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Ireland to San Francisco?
The top 3 most reliable airlines when flying from Ireland to San Francisco are American Airlines (67%), Aer Lingus (67%) and Iberia (67%).
What are the cheapest flights from Ireland to San Francisco?
While on average a flight from Ireland to San Francisco is generally £858, our data shows the cheapest flight currently is £236. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £512 for that flight.
Can I find deals for flights from Ireland to San Francisco that include hotel bookings?
Yes. In addition to deals on Ireland to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Francisco.
Can I find deals for business class flights from Ireland to San Francisco?
Yes. Cheapflights offers flight deals from Ireland to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ireland to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £426). Flying from Ireland to San Francisco in August is currently the most expensive (average of £769). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Ireland to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£383	Average£551	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Iberia	Cheapest£483	Average£684	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

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How does Cheapflights help users find flights from Ireland to San Francisco?

Deals for Ireland to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ireland to San Francisco?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Ireland.

Can Cheapflights find flights from Ireland to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to San Francisco become cheaper?

Of course! You can now track prices for flights from Ireland to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ireland to San Francisco from £304

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to San Francisco

Cheapest flights from Ireland to San FranciscoExplore the most affordable flight options available from Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Ireland to San FranciscoDiscover carefully curated flight deals from Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Ireland to San FranciscoExplore direct flight options from Ireland to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Explore direct flight options from Ireland to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Ireland to San FranciscoDiscover last-minute flight deals from Ireland to San Francisco. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to San Francisco. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Ireland to San FranciscoSearch for one-way flight options from Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Ireland to San Francisco

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Ireland to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ireland with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Ireland to San Francisco?

What is the cheapest time of day to fly from IE to SFO?

Find hourly flight availability from Ireland to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2026.

When flying from Ireland to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Ireland to San Francisco delayed?

About 14% of weekly flights between Ireland and San Francisco have experienced delays in the past year, with the average delay time being 119 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from Ireland to San Francisco?

The price you pay for your flight from Ireland to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with Aer Lingus and Iberia from Ireland to San Francisco to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to San Francisco from Ireland?

How popular is this Ireland to San Francisco flight route?

How long is the flight from Ireland to San Francisco?

What are the most reliable airlines from Ireland to San Francisco?

What are the cheapest flights from Ireland to San Francisco?

Can I find deals for flights from Ireland to San Francisco that include hotel bookings?

How can I find direct flights from Ireland to San Francisco?

Can I find deals for business class flights from Ireland to San Francisco?

What is the cheapest month to book a flight from Ireland to San Francisco?

Travelling to a place near San Francisco?

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Alternative routes for Ireland to San Francisco

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Complete your trip

Complete your trip to San Francisco by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

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Search flights from Ireland to San Francisco by cabin class

Find flights from Ireland to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ireland and San Francisco flights

Browse other Ireland and San Francisco flight options. Last updated on 18 September 2026.

Popular flight searches

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Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Ireland to San Francisco flights

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Top 2 airlines flying from Ireland to San Francisco

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How does Cheapflights help users find flights from Ireland to San Francisco?

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Can Cheapflights find flights from Ireland to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to San Francisco become cheaper?

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Cheapest flights from Ireland to San Francisco
Explore the most affordable flight options available from Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Ireland to San Francisco
Discover carefully curated flight deals from Ireland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Ireland to San Francisco
Explore direct flight options from Ireland to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Ireland to San Francisco
Discover last-minute flight deals from Ireland to San Francisco. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Ireland to San Francisco
Search for one-way flight options from Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.