Cheap flights from Ireland to San Francisco from £419

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 24 April 2026.

Tue 19/509:30
DUB
-
SFO
1 stop22h 29m
Multiple Airlines
Tue 26/519:30
SFO
-
DUB
1 stop15h 20m
Multiple Airlines
Deal found 21/4£433
Tue 17/1119:05
DUB
-
SFO
1 stop27h 30m
Scandinavian Airlines
Wed 2/1216:40
SFO
-
DUB
2 stops33h 20m
Scandinavian Airlines
Deal found 20/4£438
Mon 9/1119:05
DUB
-
SFO
1 stop27h 30m
Scandinavian Airlines
Sat 13/216:40
SFO
-
DUB
1 stop35h 05m
Scandinavian Airlines
Deal found 22/4£442
Thu 10/912:40
DUB
-
SFO
1 stop34h 00m
Scandinavian Airlines
Mon 14/916:45
SFO
-
DUB
1 stop35h 05m
Scandinavian Airlines
Deal found 23/4£445
Sun 8/1112:05
DUB
-
SFO
2 stops34h 30m
Scandinavian Airlines
Sat 13/216:40
SFO
-
DUB
1 stop35h 05m
Scandinavian Airlines
Deal found 22/4£445
Wed 11/1119:05
DUB
-
SFO
1 stop27h 30m
Scandinavian Airlines
Thu 18/216:40
SFO
-
DUB
2 stops32h 40m
Scandinavian Airlines
Deal found 22/4£448
Sun 8/1112:05
DUB
-
SFO
2 stops34h 30m
Scandinavian Airlines
Wed 17/216:40
SFO
-
DUB
2 stops34h 05m
Scandinavian Airlines
Deal found 22/4£450
Sat 9/513:00
DUB
-
SFO
Nonstop10h 55m
Aer Lingus
Sat 23/517:40
SFO
-
DUB
Nonstop10h 05m
Aer Lingus
Deal found 24/4£454

Find 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 24 April 2026.

Round-trip from

£433

One-way from

£419

Popular in

July

Cheapest in

January

Average price

£473

Good round-trip deal

£468 or less
19/5-26/5
  • 19/5-26/5
  • 2 total stops
  • 37h 49m total
  • Ireland to San Francisco
JetBlue
  • JetBlue
  • 5/9
  • 1 total stop
  • 21h 51m total
  • Ireland to San Francisco
Highest demand for flights based on searches. 20% potential increase in price (£98 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Ireland to San Francisco.

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 24 April 2026.
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 - SFO

DUBSFO

Dublin

Thu 10/9

19:05-14:40

1 stop27h 35m

San Francisco

Mon 14/9

16:45-11:50

1 stop35h 05m

£447

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 3/6

05:55-11:45

1 stop13h 50m

San Francisco

Wed 10/6

05:32-10:00

1 stop20h 28m

£481

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 19/5

05:55-16:57

2 stops19h 02m

San Francisco

Tue 26/5

14:43-18:25

2 stops19h 42m

£483

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 16/6

11:10-20:19

2 stops17h 09m

San Francisco

Mon 22/6

18:25-07:55

1 stop29h 30m

£485

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 19/6

13:15-10:15

1 stop29h 00m

San Francisco

Sun 28/6

18:25-07:55

1 stop29h 30m

£493
Fastest return journey

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 10/6

05:55-11:45

1 stop13h 50m

San Francisco

Mon 20/7

12:42-15:25

2 stops18h 43m

£542

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 24/5

05:55-15:56

2 stops18h 01m

San Francisco

Sun 31/5

23:55-08:45

1 stop24h 50m

£548

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 6/5

08:55-20:51

2 stops19h 56m

San Francisco

Wed 13/5

14:43-18:25

2 stops19h 42m

£561

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 7/5

12:30-23:51

2 stops19h 21m

San Francisco

Wed 13/5

07:05-09:00

2 stops17h 55m

£583

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 6/5

11:10-22:00

2 stops18h 50m

San Francisco

Tue 2/6

15:59-17:00

2 stops17h 01m

£585

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

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 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £211). Flying from Ireland to San Francisco in July is currently the most expensive (average of £498). 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 24 April 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 10% of weekly flights between Ireland and San Francisco have experienced delays in the past year, with the average delay time being 143 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?

Tuesday 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 10% 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 24 April 2026.
Check out reviews from past customers who have flown with Air France,United 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.

Crew

8.1

Food

7.0

Boarding

7.5

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

Crew

8.1

Food

7.0

Boarding

7.5

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

Crew

8.1

Food

7.0

Boarding

7.5

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

Crew

8.1

Food

7.0

Boarding

7.5

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

Crew

8.1

Food

7.0

Boarding

7.5

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

Crew

8.1

Food

7.0

Boarding

7.5

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

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 11.0 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?

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

    There are many flights that can get you from Ireland to San Francisco in 13h 50m. Fly via Scandinavian 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 Aer Lingus (94%), Iberia (94%) and British Airways (94%).

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

    While on average a flight from Ireland to San Francisco is generally £948, our data shows the cheapest flight currently is £448. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £479 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, October is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £211). Flying from Ireland to San Francisco in July is currently the most expensive (average of £498). 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
San Bruno
Bodega Bay
South San Francisco
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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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 9 airlines flying from Ireland to San Francisco

Discover the top 9 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£313Average£387FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£316Average£335FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£381Average£559FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£400Average£459FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£411Average£587FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£418Average£597FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£436Average£629FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£479Average£572FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£508Average£571FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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