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Cheap flights from Ireland to San Francisco from £325

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

£406

One-way from

£325

Popular in

July

Cheapest in

February

Average price

£451

Good round-trip deal

£496 or less

Good one-way deal

£429 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 20/3-27/3
  • 2 total stops
  • 67h 05m total
  • Ireland to San Francisco
WestJet
  • WestJet
  • 30/4
  • 2 total stops
  • 57h 09m total
  • Ireland to San Francisco
Highest demand for flights based on searches. 20% potential increase in price (£116 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in February 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

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 21 February 2025.

Thu 20/312:30DUB - SFO
1 stop35h 10mScandinavian Airlines
Thu 27/318:30SFO - DUB
1 stop31h 55mScandinavian Airlines
Deal found 20/2£406
Wed 16/410:55DUB - SFO
1 stop14h 20mBritish Airways
Tue 22/419:20SFO - DUB
1 stop13h 45mBritish Airways
Deal found 20/2£427
Fri 28/209:00DUB - SFO
1 stop20h 00mUnited Airlines
Fri 7/308:25SFO - DUB
1 stop17h 40mUnited Airlines
Deal found 21/2£470
Wed 3/910:45DUB - SFO
1 stop35h 45mTAP AIR PORTUGAL
Wed 17/916:20SFO - DUB
1 stop17h 45mTAP AIR PORTUGAL
Deal found 20/2£471
Thu 13/305:55DUB - SFO
1 stop13h 55mDelta
Thu 20/307:10SFO - DUB
2 stops17h 55mDelta
Deal found 20/2£501
Wed 16/412:50DUB - SFO
Nonstop10h 55mAer Lingus
Tue 22/417:45SFO - DUB
Nonstop10h 00mAer Lingus
Deal found 21/2£521
Tue 20/512:10DUB - SFO
1 stop15h 50mLufthansa
Wed 4/613:00SFO - DUB
1 stop13h 20mLufthansa
Deal found 20/2£522
Wed 3/910:55DUB - SFO
2 stops19h 32mMultiple Airlines
Wed 17/910:24SFO - DUB
2 stops17h 31mMultiple Airlines
Deal found 20/2£531
Wed 21/509:20DUB - SFO
2 stops16h 28mAir Canada
Sun 1/623:47SFO - DUB
1 stop23h 58mAir Canada
Deal found 20/2£539
Wed 16/412:50DUB - SFO
Nonstop10h 55mAmerican Airlines
Tue 22/416:20SFO - DUB
1 stop14h 30mAmerican Airlines
Deal found 20/2£558
Sun 12/1013:35DUB - SFO
1 stop35h 05mTurkish Airlines
Fri 17/1018:45SFO - DUB
1 stop33h 50mTurkish Airlines
Deal found 21/2£564
Sat 15/318:40DUB - SFO
2 stops30h 15mSWISS
Mon 31/319:05SFO - DUB
1 stop14h 45mSWISS
Deal found 20/2£578

Find flights from Ireland to San Francisco within your budget

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 21 February 2025.

Fly from

Ireland

Fly to

San Francisco

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 20/3

12:30-16:40

1 stop35h 10m

San Francisco

Thu 27/3

18:30-09:25

1 stop31h 55m

£406

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 16/4

10:55-17:15

1 stop14h 20m

San Francisco

Tue 22/4

19:20-17:05

1 stop13h 45m

£427

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 5/3

09:00-20:18

2 stops19h 18m

San Francisco

Wed 12/3

05:00-10:05

2 stops22h 05m

£473

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 13/3

05:55-12:50

1 stop13h 55m

San Francisco

Thu 20/3

07:10-08:05

2 stops17h 55m

£501

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 10/3

04:25-15:45

1 stop18h 20m

San Francisco

Sat 15/3

17:40-23:20

1 stop22h 40m

£509

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 16/4

12:50-15:45

Nonstop10h 55m

San Francisco

Tue 22/4

17:45-11:45

Nonstop10h 00m

£521

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 20/5

12:10-20:00

1 stop15h 50m

San Francisco

Wed 4/6

13:00-10:20

1 stop13h 20m

£522

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 16/4

12:50-15:45

Nonstop10h 55m

San Francisco

Tue 22/4

14:30-11:45

1 stop13h 15m

£532

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 21/5

09:20-17:48

2 stops16h 28m

San Francisco

Sun 1/6

23:47-07:45

1 stop23h 58m

£539

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 16/4

12:50-15:45

Nonstop10h 55m

San Francisco

Tue 22/4

16:20-14:50

1 stop14h 30m

£558

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 18 results
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.

Travel insights for flights from Ireland to San Francisco

Get recent, data-driven insights about flights from Ireland to San Francisco including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £538). Flying from Ireland to San Francisco in July is currently the most expensive (average of £803). 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 21 February 2025.

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.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

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.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

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).

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 21 February 2025.
Read through reviews of airlines operating flights from Ireland to San Francisco, such as Delta, Finnair and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

  • What are the cheapest airlines to fly from Ireland to San Francisco one-way?

    One-way options have recently been found by users for as low as £325 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £433 and Finnair from £467 one-way.

  • 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 (86%), Aer Lingus (86%) and British Airways (86%).

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

    While on average a flight from Ireland to San Francisco is generally £1,045, our data shows the cheapest flight currently is £428. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £353 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, February is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £538). Flying from Ireland to San Francisco in July is currently the most expensive (average of £803). 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 Ireland?

Book flights to Ireland if you plan to visit one of these locations
Santa Cruz
San Mateo
Los Banos
Vallejo
South San Francisco
Pacific Grove
Union City

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 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£253Average£372FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£346Average£512FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£347Average£489FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£348Average£469FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£360Average£642FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£378Average£433FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£384Average£619FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£418Average£628FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£431Average£606FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£467Average£618FlexibilityNo cancel feeOn-time77%
Search Air France 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.

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