How popular is this Ireland to San Francisco flight route?

The Ireland to San Francisco flight path was viewed by 206 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 45m. Fly via Scandinavian Airlines, British Airways, or Lufthansa 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 cheapest airlines to fly from Ireland to San Francisco one-way?

One-way options have recently been found by users for as low as £461 on WestJet. Other airlines that offer cheap prices include JetBlue from £464 and Aer Lingus from £530 one-way.

What is the cheapest day to fly from Ireland to San Francisco?

Travellers seeking maximum savings on their Ireland to San Francisco flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 £754, our data shows the cheapest flight currently is £378. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £402 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 (86%), Aer Lingus (86%) and British Airways (86%).

What are the most popular airlines that fly from Ireland to San Francisco?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Ireland to San Francisco.

What is the cheapest day to fly round-trip from Ireland to San Francisco?

Flights from Ireland to San Francisco are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

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

Find a great deal and save up to 33% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ireland to San Francisco within the next two weeks, with the cheapest ticket starting at £436.

What is the cheapest month to fly from Ireland to San Francisco?

February is one of the best times of the year to fly to San Francisco from Ireland. Prices for February average £519 per person but you can even find prices for as low as £319. The most expensive prices can be found in the month of July. Opting for a February flight can save you 29% on your journey compared to booking in July

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.

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.

£409+ Cheap Flights from Ireland to San Francisco

Cheap flight deals from Ireland to San Francisco

Round-trip from	£409
Popular in	July
Cheapest in	February
Average price	£479
Good round-trip deal	£392 or less
Good one-way deal	£486 or less

SWISS
27/10-3/11
2 total stops
49h 20m total
Ireland to San Francisco

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£80 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

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

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 12 September 2025.

Mon 27/1010:50DUB - SFO

1 stop16h 45mMultiple Airlines

Mon 3/1119:25SFO - DUB

1 stop32h 35mMultiple Airlines

Deal found 12/9£409

Fri 10/1013:35DUB - SFO

1 stop14h 53mLufthansa

Fri 17/1013:02SFO - DUB

1 stop13h 18mLufthansa

Deal found 10/9£419

Mon 3/1119:05DUB - SFO

2 stops36h 18mScandinavian Airlines

Sun 16/1116:40SFO - DUB

1 stop17h 40mScandinavian Airlines

Deal found 10/9£419

Fri 31/1011:55DUB - SFO

1 stop16h 15mLufthansa

Fri 14/1108:25SFO - DUB

1 stop17h 55mLufthansa

Deal found 12/9£422

Tue 18/1108:50DUB - SFO

1 stop14h 10mBritish Airways

Mon 24/1117:30SFO - DUB

1 stop15h 35mBritish Airways

Deal found 12/9£422

Mon 6/1015:20DUB - SFO

1 stop30h 30mAmerican Airlines

Mon 13/1019:20SFO - DUB

1 stop16h 15mAmerican Airlines

Deal found 12/9£423

Tue 23/905:55DUB - SFO

1 stop14h 45mMultiple Airlines

Mon 13/1019:40SFO - DUB

1 stop14h 10mMultiple Airlines

Deal found 11/9£426

Fri 31/1005:55DUB - SFO

1 stop13h 55mDelta

Fri 14/1109:51SFO - DUB

2 stops21h 54mDelta

Deal found 10/9£427

Fri 31/1005:55DUB - SFO

1 stop13h 55mDelta

Fri 14/1100:45SFO - DUB

1 stop23h 00mDelta

Deal found 12/9£428

Wed 15/1005:55DUB - SFO

1 stop13h 50mDelta

Sun 19/1015:05SFO - DUB

1 stop15h 55mDelta

Deal found 12/9£429

Sun 21/909:20DUB - SFO

1 stop33h 08mUnited Airlines

Mon 13/1006:30SFO - DUB

1 stop16h 40mUnited Airlines

Deal found 11/9£430

Wed 17/905:55DUB - SFO

1 stop13h 50mDelta

Mon 22/907:05SFO - DUB

2 stops17h 10mDelta

Deal found 10/9£430

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 12 September 2025.

Tue 24/219:05DUB - SFO

2 stops35h 42mScandinavian Airlines

Sat 7/316:40SFO - DUB

2 stops35h 05mScandinavian Airlines

Deal found 10/9£422

Sat 28/209:15DUB - SFO

1 stop14h 40mMultiple Airlines

Wed 11/308:45SFO - DUB

1 stop15h 45mMultiple Airlines

Deal found 11/9£422

Tue 18/1108:50DUB - SFO

1 stop17h 55mBritish Airways

Tue 25/1117:30SFO - DUB

1 stop15h 30mBritish Airways

Deal found 12/9£422

Mon 3/1109:10DUB - SFO

1 stop14h 45mLufthansa

Sun 16/1108:30SFO - DUB

1 stop15h 40mLufthansa

Deal found 10/9£422

Fri 31/1005:55DUB - SFO

1 stop13h 55mDelta

Fri 14/1110:30SFO - DUB

2 stops21h 15mDelta

Deal found 11/9£426

Wed 19/1108:50DUB - SFO

1 stop14h 10mBritish Airways

Sun 23/1117:30SFO - DUB

1 stop15h 20mBritish Airways

Deal found 12/9£422

Tue 23/905:55DUB - SFO

1 stop14h 45mMultiple Airlines

Mon 13/1019:40SFO - DUB

1 stop14h 10mMultiple Airlines

Deal found 11/9£426

Tue 4/1105:55DUB - SFO

1 stop13h 55mDelta

Wed 12/1100:45SFO - DUB

1 stop23h 00mDelta

Deal found 11/9£428

Mon 17/1120:40DUB - SFO

1 stop26h 20mBritish Airways

Tue 25/1120:40SFO - DUB

1 stop15h 00mBritish Airways

Deal found 12/9£422

Mon 3/1105:55DUB - SFO

1 stop13h 55mDelta

Mon 17/1100:45SFO - DUB

1 stop23h 00mDelta

Deal found 11/9£428

Tue 18/1108:50DUB - SFO

1 stop14h 10mBritish Airways

Sun 23/1117:30SFO - DUB

1 stop15h 20mBritish Airways

Deal found 12/9£422

Wed 14/110:20DUB - SFO

2 stops20h 20mBritish Airways

Thu 29/113:22SFO - DUB

2 stops17h 28mBritish Airways

Deal found 11/9£425

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 12 September 2025.

Mon 27/1012:30DUB - SFO

Nonstop11h 05mAer Lingus

Mon 3/1117:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 12/9£422

Sun 21/1213:30DUB - SFO

Nonstop11h 05mAer Lingus

Tue 13/117:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 10/9£444

Fri 10/1013:00DUB - SFO

Nonstop10h 55mAer Lingus

Fri 17/1017:40SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 10/9£465

Thu 2/1013:00DUB - SFO

Nonstop10h 55mAer Lingus

Thu 23/1017:40SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 11/9£545

Thu 2/1013:00DUB - SFO

Nonstop10h 55mAmerican Airlines

Thu 23/1017:40SFO - DUB

Nonstop10h 05mAmerican Airlines

Deal found 12/9£555

Thu 2/1013:00DUB - SFO

Nonstop10h 55mAmerican Airlines

Wed 29/1018:20SFO - DUB

Nonstop10h 05mAmerican Airlines

Deal found 11/9£556

Sat 15/1112:30DUB - SFO

Nonstop11h 05mAer Lingus

Mon 24/1117:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 12/9£692

Sun 5/1013:00DUB - SFO

Nonstop10h 55mAer Lingus

Mon 13/1017:40SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 12/9£783

Mon 17/1112:30DUB - SFO

Nonstop11h 05mAer Lingus

Sat 22/1117:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 12/9£831

Fri 6/212:30DUB - SFO

Nonstop11h 05mAer Lingus

Mon 16/217:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 11/9£1,637

Last-minute flights from Ireland to San Francisco
Discover last-minute flight deals from Ireland to San Francisco. Data last updated 12 September 2025 and is based on user searches.

Wed 17/905:55DUB - SFO

1 stop13h 50mDelta

Mon 22/907:05SFO - DUB

2 stops17h 10mDelta

Deal found 10/9£430

Sun 21/909:20DUB - SFO

1 stop33h 08mUnited Airlines

Mon 13/1006:30SFO - DUB

1 stop16h 40mUnited Airlines

Deal found 11/9£430

Tue 23/905:55DUB - SFO

1 stop14h 45mMultiple Airlines

Mon 13/1019:40SFO - DUB

1 stop14h 10mMultiple Airlines

Deal found 11/9£426

Mon 6/1015:20DUB - SFO

1 stop30h 30mAmerican Airlines

Mon 13/1019:20SFO - DUB

1 stop16h 15mAmerican Airlines

Deal found 12/9£423

Thu 9/1005:55DUB - SFO

1 stop13h 50mDelta

Thu 16/1007:05SFO - DUB

1 stop18h 10mDelta

Deal found 12/9£431

Fri 10/1013:35DUB - SFO

1 stop14h 53mLufthansa

Fri 17/1013:02SFO - DUB

1 stop13h 18mLufthansa

Deal found 10/9£419

Wed 15/1005:55DUB - SFO

1 stop13h 50mDelta

Sun 19/1015:05SFO - DUB

1 stop15h 55mDelta

Deal found 12/9£429

Mon 27/1010:50DUB - SFO

1 stop16h 45mMultiple Airlines

Mon 3/1119:25SFO - DUB

1 stop32h 35mMultiple Airlines

Deal found 12/9£409

Mon 27/1012:30DUB - SFO

Nonstop11h 05mAer Lingus

Mon 3/1117:20SFO - DUB

Nonstop10h 05mAer Lingus

Deal found 12/9£422

Fri 31/1011:55DUB - SFO

1 stop16h 15mLufthansa

Fri 14/1108:25SFO - DUB

1 stop17h 55mLufthansa

Deal found 12/9£422

Fri 31/1005:55DUB - SFO

1 stop13h 55mDelta

Fri 14/1109:51SFO - DUB

2 stops21h 54mDelta

Deal found 10/9£427

Fri 31/1005:55DUB - SFO

1 stop13h 55mDelta

Fri 14/1100:45SFO - DUB

1 stop23h 00mDelta

Deal found 12/9£428

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 12 September 2025.

Sat 4/1009:45DUB - SFO

2 stops34h 09mWestJet

Deal found 11/9£461

Fri 10/1011:30DUB - SFO

1 stop20h 14mJetBlue

Deal found 11/9£464

Sat 11/1011:30DUB - SFO

1 stop17h 31mJetBlue

Deal found 11/9£495

Fri 2/113:15DUB - SFO

1 stop16h 22mMultiple Airlines

Deal found 10/9£518

Wed 4/312:30DUB - SFO

Nonstop11h 05mAer Lingus

Deal found 11/9£530

Thu 6/1104:25DUB - SFO

2 stops37h 09mTAP AIR PORTUGAL

Deal found 11/9£757

Sun 5/1013:00DUB - SFO

Nonstop10h 55mAer Lingus

Deal found 12/9£769

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

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 24/2

19:05-22:47

2 stops35h 42m

San Francisco

Sat 7/3

16:40-11:45

2 stops35h 05m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 28/2

09:15-15:55

1 stop14h 40m

San Francisco

Wed 11/3

08:45-07:30

1 stop15h 45m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/11

08:50-18:45

1 stop17h 55m

San Francisco

Tue 25/11

17:30-17:00

1 stop15h 30m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 3/11

09:10-15:55

1 stop14h 45m

San Francisco

Sun 16/11

08:30-08:10

1 stop15h 40m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 19/11

08:50-15:00

1 stop14h 10m

San Francisco

Sun 23/11

17:30-16:50

1 stop15h 20m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 17/11

20:40-15:00

1 stop26h 20m

San Francisco

Tue 25/11

20:40-19:40

1 stop15h 00m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 18/11

08:50-15:00

1 stop14h 10m

San Francisco

Sun 23/11

17:30-16:50

1 stop15h 20m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 14/1

10:20-22:40

2 stops20h 20m

San Francisco

Thu 29/1

13:22-14:50

2 stops17h 28m

£425

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 31/10

05:55-12:50

1 stop13h 55m

San Francisco

Fri 14/11

10:30-15:45

2 stops21h 15m

£426

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 23/9

05:55-12:40

1 stop14h 45m

San Francisco

Mon 13/10

19:40-17:50

1 stop14h 10m

£426

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 18 results

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, 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?

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 morning, which can drop the price by up to 5% versus a flight at midday.

Reviews of airlines servicing San Francisco

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.

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

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

United Airlines

7.4

Good

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

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

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

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

Aer Lingus

7.2

Good

1,271 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

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

Air Canada

7.1

Good

10,000 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

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

British Airways

6.7

Okay

7,361 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

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

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?
The Ireland to San Francisco flight path was viewed by 206 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 45m. Fly via Scandinavian Airlines, British Airways, or Lufthansa 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 cheapest airlines to fly from Ireland to San Francisco one-way?
One-way options have recently been found by users for as low as £461 on WestJet. Other airlines that offer cheap prices include JetBlue from £464 and Aer Lingus from £530 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 £754, our data shows the cheapest flight currently is £378. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £402 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

Santa Cruz

Newark

South San Francisco

Bodega Bay

Pacific Grove

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Top 10 airlines flying from Ireland to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£292	Average£353	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£315	Average£531	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
KLM	Cheapest£323	Average£463	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£327	Average£454	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£337	Average£565	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Lufthansa	Cheapest£395	Average£495	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£408	Average£607	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest£410	Average£578	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Canada	Cheapest£424	Average£569	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	Cheapest£435	Average£590	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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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Cheap flights from Ireland to San Francisco from £409

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. 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

Keep the following information in mind while searching for Ireland to San Francisco flight deals. Data was last updated 12 September 2025.

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Find 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 12 September 2025.

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 12 September 2025.

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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.

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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?

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 12 September 2025.

Reviews of airlines servicing San Francisco

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.

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?

How popular is this Ireland to San Francisco flight route?

How long is the flight from Ireland to San Francisco?

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

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?

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Alternative routes for Ireland to San Francisco

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Top 10 airlines flying from Ireland to San Francisco

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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 12 September 2025.