Cheap flights from Ireland to San Francisco from £382

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to San Francisco

Keep the following information in mind while searching for Ireland to San Francisco flight deals. Data was last updated 26 November 2025.

Round-trip from

£382

Popular in

July

Cheapest in

February

Average price

£437

Good round-trip deal

£450 or less

Good one-way deal

£511 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/1-31/1
  • 2 total stops
  • 45h 10m total
  • Ireland to San Francisco
Highest demand for flights based on searches. 18% potential increase in price (£91 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Ireland to San Francisco.
Price to beat on a one-way flight from Ireland to San Francisco.

Find flight deals from Ireland to San Francisco

Enter your travel dates to find the best prices.

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 26 November 2025.

Thu 11/1211:30DUB - SFO
2 stops35h 05mScandinavian Airlines
Sun 28/1216:40SFO - DUB
2 stops34h 05mScandinavian Airlines
Deal found 24/11£408
Fri 12/1219:05DUB - SFO
2 stops36h 00mScandinavian Airlines
Thu 26/216:40SFO - DUB
1 stop17h 40mScandinavian Airlines
Deal found 24/11£474
Fri 12/1205:55DUB - SFO
1 stop13h 55mDelta
Tue 20/111:02SFO - DUB
2 stops20h 43mDelta
Deal found 24/11£494
Fri 12/1205:55DUB - SFO
1 stop13h 55mDelta
Wed 25/200:40SFO - DUB
1 stop23h 05mDelta
Deal found 24/11£496
Fri 12/1205:55DUB - SFO
2 stops19h 45mDelta
Mon 19/110:30SFO - DUB
2 stops21h 15mDelta
Deal found 25/11£499
Fri 12/1209:00DUB - SFO
1 stop14h 25mUnited Airlines
Sun 18/100:43SFO - DUB
2 stops23h 27mUnited Airlines
Deal found 25/11£500
Fri 12/1212:30DUB - SFO
Nonstop11h 05mMultiple Airlines
Sun 28/1205:00SFO - DUB
1 stop16h 10mMultiple Airlines
Deal found 24/11£510
Sun 7/1205:55DUB - SFO
1 stop13h 55mDelta
Tue 23/1205:55SFO - DUB
1 stop17h 50mDelta
Deal found 24/11£518

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from Ireland to San Francisco that are best for you.

Fly from

Ireland

Fly to

San Francisco

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 28/1

19:05-14:35

1 stop27h 30m

San Francisco

Sat 31/1

16:40-18:20

1 stop17h 40m

£382

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 28/2

10:10-14:35

1 stop36h 25m

San Francisco

Sat 14/3

17:40-18:20

1 stop17h 40m

£428

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 2/3

19:05-14:35

1 stop27h 30m

San Francisco

Sat 14/3

17:40-18:20

1 stop17h 40m

£428

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 1/3

20:40-15:00

1 stop26h 20m

San Francisco

Sat 14/3

21:40-18:40

1 stop14h 00m

£437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 28/2

08:55-15:00

1 stop14h 05m

San Francisco

Sat 14/3

17:00-18:40

2 stops18h 40m

£437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 12/1

20:40-15:00

1 stop26h 20m

San Francisco

Mon 19/1

07:00-09:50

2 stops18h 50m

£437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 3/3

10:55-18:45

1 stop15h 50m

San Francisco

Sat 14/3

17:00-18:40

2 stops18h 40m

£437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 28/2

20:40-15:00

1 stop26h 20m

San Francisco

Tue 10/3

15:07-14:20

2 stops16h 13m

£437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 13/2

08:50-15:00

1 stop14h 10m

San Francisco

Wed 4/3

20:40-07:55

1 stop27h 15m

£437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 3/3

08:50-15:00

1 stop14h 10m

San Francisco

Sun 15/3

21:40-19:40

1 stop15h 00m

£437

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 23 results
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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.
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

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

Currently, March is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £329). Flying from Ireland to San Francisco in July is currently the most expensive (average of £529). 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?

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 26 November 2025.

When flying from Ireland to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight in the afternoon.

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 122 minutes.

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

Historically, flights departing in the early afternoon 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?

Monday tends to have the lowest number of delays on this route, whereas Thursday 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 26 November 2025.
Check out reviews from past customers who have flown with United Airlines, American Airlines, andAer Lingus 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.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Ireland to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Ireland?

    Located just 11.8 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?

  • How long is the flight from Ireland to San Francisco?

    There are many flights that can get you from Ireland to San Francisco in 26h 20m. Fly via Scandinavian Airlines or British Airways 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 Aer Lingus (83%), Iberia (83%) and British Airways (83%).

  • What are the cheapest flights from Ireland to San Francisco?

    While on average a flight from Ireland to San Francisco is generally £809, our data shows the cheapest flight currently is £367. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £369 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, March is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £329). Flying from Ireland to San Francisco in July is currently the most expensive (average of £529). 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
San Bruno
Bodega Bay
Pacific Grove

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Alternative routes for Ireland to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Ireland to San Francisco

Discover the top 10 airlines that operate flights from Ireland to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£321Average£366FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£324Average£344FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£332Average£454FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£333Average£468FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£347Average£494FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£347Average£575FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£404Average£500FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£422Average£595FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£429Average£640FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£449Average£608FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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