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Cheap flights from Ireland to San Francisco from £296

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Ireland to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

£369

One-way from

£296

Good round-trip deal

£370 or less

Good one-way deal

£508 or less
SWISS
  • SWISS
  • 18/2-16/3
  • 2 total stops
  • 62h 25m total
  • Ireland to San Francisco
WestJet
  • WestJet
  • 1/4
  • 2 total stops
  • 57h 36m total
  • Ireland to San Francisco
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 January 2025.

Tue 18/218:40DUB - SFO
1 stop29h 45mSWISS
Mon 17/320:25SFO - DUB
1 stop32h 40mSWISS
Deal found 20/1£369
Tue 18/214:05DUB - SFO
1 stop16h 47mAmerican Airlines
Tue 18/318:00SFO - DUB
2 stops18h 35mAmerican Airlines
Deal found 20/1£372
Mon 17/205:55DUB - SFO
1 stop13h 55mDelta
Mon 24/212:35SFO - DUB
2 stops19h 05mDelta
Deal found 20/1£374
Tue 18/209:00DUB - SFO
2 stops20h 30mUnited Airlines
Wed 19/316:59SFO - DUB
1 stop34h 06mUnited Airlines
Deal found 20/1£375
Mon 7/409:50DUB - SFO
1 stop18h 12mAir Canada
Fri 2/523:14SFO - DUB
2 stops24h 31mAir Canada
Deal found 20/1£388
Sun 16/205:00DUB - SFO
1 stop15h 35mLufthansa
Sat 15/319:55SFO - DUB
1 stop28h 50mLufthansa
Deal found 20/1£392
Wed 5/208:40DUB - SFO
1 stop14h 20mBritish Airways
Fri 7/317:30SFO - DUB
1 stop13h 35mBritish Airways
Deal found 20/1£396
Wed 9/409:40DUB - SFO
2 stops21h 29mFinnair
Sun 4/510:19SFO - DUB
1 stop15h 26mFinnair
Deal found 21/1£405
Sun 23/312:05DUB - SFO
2 stops35h 35mScandinavian Airlines
Sun 30/319:40SFO - DUB
2 stops31h 15mScandinavian Airlines
Deal found 20/1£416
Fri 14/204:25DUB - SFO
1 stop18h 30mTAP AIR PORTUGAL
Sat 15/317:40SFO - DUB
1 stop22h 40mTAP AIR PORTUGAL
Deal found 21/1£434
Thu 6/205:55DUB - SFO
2 stops17h 52mKLM
Sat 8/313:45SFO - DUB
1 stop18h 55mKLM
Deal found 20/1£444
Sat 15/217:20DUB - SFO
1 stop26h 30mMultiple Airlines
Sun 16/316:25SFO - DUB
1 stop23h 10mMultiple Airlines
Deal found 21/1£485

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 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/2

18:40-16:25

1 stop29h 45m

San Francisco

Sun 16/3

20:25-12:05

1 stop32h 40m

£369

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/2

14:05-22:52

1 stop16h 47m

San Francisco

Tue 18/3

18:00-19:35

2 stops18h 35m

£372

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 17/2

05:55-11:50

1 stop13h 55m

San Francisco

Mon 24/2

12:35-15:40

2 stops19h 05m

£374

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/2

09:00-21:30

2 stops20h 30m

San Francisco

Wed 19/3

16:59-10:05

1 stop34h 06m

£375

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 7/4

09:50-20:02

1 stop18h 12m

San Francisco

Fri 2/5

23:14-07:45

2 stops24h 31m

£388

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 16/2

05:00-12:35

1 stop15h 35m

San Francisco

Sat 15/3

19:55-07:45

1 stop28h 50m

£392

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 5/2

08:40-15:00

1 stop14h 20m

San Francisco

Fri 7/3

17:30-15:05

1 stop13h 35m

£396

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 9/4

09:40-23:09

2 stops21h 29m

San Francisco

Sun 4/5

10:19-09:45

1 stop15h 26m

£405

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 23/3

12:05-16:40

2 stops35h 35m

San Francisco

Sun 30/3

19:40-10:55

2 stops31h 15m

£416

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 14/2

04:25-14:55

1 stop18h 30m

San Francisco

Sat 15/3

17:40-23:20

1 stop22h 40m

£434

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 17 results
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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 January 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 January 2025.
Read through reviews of airlines operating flights from Ireland to San Francisco, such as Finnair, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

8.0
Very Good
8,521 reviews
8.0
Very Good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

7.8
Good
1,341 reviews
8.0
Very Good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

7.6
Good
1,286 reviews
8.0
Very Good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

7.5
Good
1,600 reviews
8.0
Very Good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

7.4
Good
8,984 reviews
8.0
Very Good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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 £296 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £444 and Delta from £525 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 (65%), Aer Lingus (65%) and British Airways (65%).

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

    While on average a flight from Ireland to San Francisco is generally £554, our data shows the cheapest flight currently is £358. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £461 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 January 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£307Average£483FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£323Average£391FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£357Average£504FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£371Average£661FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£389Average£446FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£392Average£535FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£396Average£638FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£431Average£652FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£444Average£625FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£482Average£655FlexibilityNo 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.

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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