What is the cheapest airline that flies from San Francisco to Ireland?

Scandinavian Airlines and JetBlue are the most popular carriers operating from San Francisco to Ireland

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Francisco to Ireland flights?

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

How many flights depart from San Francisco to Ireland on average per day?

As of November 2025, there are 2 flights per day flying from San Francisco to Ireland. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from San Francisco to Ireland delayed?

Historically, on average around 10% of flights between San Francisco and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

What airlines fly to Ireland?

Aer Lingus, American Airlines and United Airlines are the top three most popular airlines that fly to Ireland from San Francisco according to our data. Aer Lingus is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 14 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

How many flights depart from San Francisco to Ireland on average per week?

As of November 2025, 19 flights take off from San Francisco and land in Ireland each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

When did momondo last update prices for flights from San Francisco Airport to Ireland?

Prices for flights from San Francisco Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from San Francisco Airport to Ireland?

As of November 2025, there are 14 operators available to choose from for flights from San Francisco Airport to Ireland.

How old do you have to be to fly from San Francisco Airport to Ireland?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$251 Cheap Flights from San Francisco to Ireland in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Francisco to Ireland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 4:45 pmSFO-SNN

15h 15m1 stop

7:50 am - 3:00 pmSNN-SFO

15h 10m1 stop

$565American Airlines

Find Deal

lun., ene. 12 - mié., ene. 21

8:00 am - 11:30 amSFO-SNN

19h 30m2 stops

7:50 am - 3:00 pmSNN-SFO

15h 10m1 stop

$570American Airlines

Find Deal

lun., ene. 12 - mié., ene. 21

2:36 pm - 4:45 pmSFO-SNN

18h 09m2 stops

7:50 am - 8:48 pmSNN-SFO

20h 58m2 stops

$580American Airlines

Find Deal

lun., ene. 12 - mié., ene. 21

8:40 pm - 7:40 pmSFO-DUB

15h 00m1 stop

8:50 am - 3:00 pmDUB-SFO

14h 10m1 stop

$613British Airways

Find Deal

dom., feb. 15 - mar., feb. 24

8:40 pm - 7:40 pmSFO-DUB

15h 00m1 stop

10:30 am - 6:45 pmDUB-SFO

16h 15m1 stop

$614British Airways

Find Deal

mar., feb. 24 - jue., mar. 5

5:30 pm - 3:45 pmSFO-SNN

14h 15m1 stop

7:50 am - 3:00 pmSNN-SFO

15h 10m1 stop

$615American Airlines

Find Deal

vie., ene. 9 - vie., ene. 16

10:37 pm - 10:15 amSFO-SNN

27h 38m2 stops

12:30 pm - 8:36 pmSNN-SFO

16h 06m1 stop

$638United Airlines

Find Deal

jue., abr. 30 - jue., may. 14

9:50 am - 3:00 pmSFO-ORK

21h 10m2 stops

6:00 am - 11:50 amORK-SFO

13h 50m1 stop

$698Delta

Find Deal

vie., ene. 30 - vie., feb. 6

5:45 pm - 12:35 pmSFO-NOC

34h 50m2 stops

1:05 pm - 1:50 pmNOC-SFO

32h 45m1 stop

$962Aer Lingus

Find Deal

vie., may. 8 - mié., may. 13

7:30 pm - 12:35 pmSFO-NOC

33h 05m1 stop

1:05 pm - 1:50 pmNOC-SFO

32h 45m1 stop

$1,067Aer Lingus

Find Deal

vie., may. 8 - mié., may. 13

British Airways flights from San Francisco to Ireland

Our best British Airways deals on San Francisco to Ireland flight tickets

British Airways

Feb 15

SFO8:40 pmSan Francisco

15h 00m

1 stop

DUB7:40 pmDublin

Feb 24

DUB8:50 amDublin

14h 10m

1 stop

SFO3:00 pmSan Francisco

$613

Find similar

British Airways

Feb 24

SFO8:40 pmSan Francisco

15h 00m

1 stop

DUB7:40 pmDublin

Mar 5

DUB10:30 amDublin

16h 15m

1 stop

SFO6:45 pmSan Francisco

$614

Find similar

British Airways

Feb 17

SFO8:40 pmSan Francisco

27h 15m

1 stop

DUB7:55 amDublin

Mar 2

DUB8:40 pmDublin

26h 20m

1 stop

SFO3:00 pmSan Francisco

$636

Find similar

Brussels Airlines flights from San Francisco to Ireland

Our best Brussels Airlines deals on San Francisco to Ireland flight tickets

Brussels Airlines

Feb 17

SFO7:00 amSan Francisco

16h 30m

1 stop

DUB7:30 amDublin

Feb 27

DUB10:40 amDublin

16h 39m

1 stop

SFO7:19 pmSan Francisco

$616

Find similar

Brussels Airlines

Feb 17

SFO7:00 amSan Francisco

16h 30m

1 stop

DUB7:30 amDublin

Feb 27

DUB10:40 amDublin

16h 39m

1 stop

SFO7:19 pmSan Francisco

$624

Find similar

Brussels Airlines

Feb 17

SFO7:00 amSan Francisco

16h 30m

1 stop

DUB7:30 amDublin

Feb 27

DUB10:40 amDublin

16h 39m

1 stop

SFO7:19 pmSan Francisco

$625

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

lun. 1/12

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

mié. 1/21

7:50 am-3:00 pm

1 stop15h 10m

$565

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

lun. 1/12

8:00 am-11:30 am

2 stops19h 30m

Shannon

mié. 1/21

7:50 am-3:00 pm

1 stop15h 10m

$570

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

lun. 1/12

2:36 pm-4:45 pm

2 stops18h 09m

Shannon

mié. 1/21

7:50 am-8:48 pm

2 stops20h 58m

$580

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

dom. 2/15

8:40 pm-7:40 pm

1 stop15h 00m

Dublin

mar. 2/24

8:50 am-3:00 pm

1 stop14h 10m

$613

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mar. 2/24

8:40 pm-7:40 pm

1 stop15h 00m

Dublin

jue. 3/5

10:30 am-6:45 pm

1 stop16h 15m

$614

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

vie. 1/9

5:30 pm-3:45 pm

1 stop14h 15m

Shannon

vie. 1/16

7:50 am-3:00 pm

1 stop15h 10m

$615

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

jue. 4/30

10:37 pm-10:15 am

2 stops27h 38m

Shannon

jue. 5/14

12:30 pm-8:36 pm

1 stop16h 06m

$638

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

vie. 1/30

9:50 am-3:00 pm

2 stops21h 10m

Cork

vie. 2/6

6:00 am-11:50 am

1 stop13h 50m

$698

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

vie. 5/8

5:45 pm-12:35 pm

2 stops34h 50m

Knock Intl

mié. 5/13

1:05 pm-1:50 pm

1 stop32h 45m

$962

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

vie. 5/8

7:30 pm-12:35 pm

1 stop33h 05m

Knock Intl

mié. 5/13

1:05 pm-1:50 pm

1 stop32h 45m

$1,067

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from San Francisco to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $597. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $635.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $757. This is often the case because there is less demand to fly during this day of the week. Flights from San Francisco to Ireland on a Thursday will generally be more expensive and average around $861. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from San Francisco to Ireland in the evening for as low as $674. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $931.

What is the cheapest San Francisco to Ireland flight route?

Fly from San Francisco to Dublin for the best San Francisco - Ireland flight prices

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

You are more likely to see cheaper flights to Ireland from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $764 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from San Francisco for as low as $668 on momondo.

What cabin class options are available on San Francisco to Ireland flights?

There are 3 cabin classes available to choose from on San Francisco to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Ireland flights?

You could potentially save up to 8% on your flight if you consider stops on a San Francisco to Ireland flight.

Cheap San Francisco to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Ireland

Best Price Found	$410
Fastest flight time	10h 00m
Direct flights	Every day
Airports in Ireland	1 airport

The best one-way flight to Ireland from San Francisco in the past 72 hours is $410. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $702.

The fastest flight from San Francisco to Ireland takes 10h 00m

Direct flights go from San Francisco to Ireland every day.

There is 1 airport near Ireland: Dublin (DUB)

Search flight deals

When did momondo last update prices for flights from San Francisco Airport to Ireland?
Prices for flights from San Francisco Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Ireland?
As of November 2025, there are 14 operators available to choose from for flights from San Francisco Airport to Ireland.
How old do you have to be to fly from San Francisco Airport to Ireland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to Ireland?
Based on momondo bookings for flights between San Francisco and Ireland, the leading plane model is Airbus A330-300, making up 42.30% of the total bookings. Other popular models include Airbus A330 with 13.06%, Boeing 777 with 12.48%, and Airbus A330-200 with 7.78%.

Best airlines flying from San Francisco to Ireland

Compare and see reviews for airlines that fly from San Francisco to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $421	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $471	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $498	Free Cancellation	Rating 7.1 2,074 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom $502	Free Cancellation	Rating 7.2 1,381 reviews	Search Aer Lingus flights
Air Canada	PriceFrom $510	Free Cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights
American Airlines	PriceFrom $533	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
SWISS	PriceFrom $539	Free Cancellation	Rating 7.5 1,794 reviews	Search SWISS flights
Delta	PriceFrom $544	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $566	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
Air France	PriceFrom $578	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Ireland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Ireland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to Ireland with flexible booking policies on momondo?

All flight searches from San Francisco to Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Ireland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Ireland.

I’m not ready to book a flight from San Francisco to Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ireland from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

jue. 12/25

jue. 1/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $291

Flights to Shannon, Clarefrom $346

Flights to Corkfrom $392

Flights to Knockfrom $529

Flights to Milltown (Kerry)from $428

Flights to Donegalfrom $715

Cheap flights from San Francisco to Ireland from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Ireland departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Francisco to Ireland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

British Airways flights from San Francisco to Ireland

Our best British Airways deals on San Francisco to Ireland flight tickets

Brussels Airlines flights from San Francisco to Ireland

Our best Brussels Airlines deals on San Francisco to Ireland flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from San Francisco to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

What is the cheapest day to depart on your flight to Ireland?

What is the cheapest time of day to depart on your flight to Ireland?

What is the cheapest San Francisco to Ireland flight route?

Fly from San Francisco to Dublin for the best San Francisco - Ireland flight prices

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

What cabin class options are available on San Francisco to Ireland flights?

There are 3 cabin classes available to choose from on San Francisco to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Ireland flights?

You could potentially save up to 8% on your flight if you consider stops on a San Francisco to Ireland flight.

What is the cheapest airline that flies from San Francisco to Ireland?

Scandinavian Airlines and JetBlue are the most popular carriers operating from San Francisco to Ireland

What airlines fly to Ireland?

How often are flights from San Francisco to Ireland delayed?

Historically, on average around 10% of flights between San Francisco and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Francisco to Ireland flights?

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

How many flights depart from San Francisco to Ireland on average per day?

As of November 2025, there are 2 flights per day flying from San Francisco to Ireland. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

How many flights depart from San Francisco to Ireland on average per week?

As of November 2025, 19 flights take off from San Francisco and land in Ireland each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

Cheap San Francisco to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Ireland

Best Price Found

Fastest flight time

Direct flights

Airports in Ireland

When did momondo last update prices for flights from San Francisco Airport to Ireland?

How many operators does momondo search for flights from San Francisco Airport to Ireland?

How old do you have to be to fly from San Francisco Airport to Ireland?

What documentation or ID do you need to fly to Ireland?

What is the most popular plane model from San Francisco to Ireland?

Best airlines flying from San Francisco to Ireland

Compare and see reviews for airlines that fly from San Francisco to Ireland with momondo

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Ireland?

Can I find flights from San Francisco to Ireland with flexible booking policies on momondo?

How can momondo help me find flights from San Francisco to Ireland?

I’m not ready to book a flight from San Francisco to Ireland right now. Can momondo alert me if prices change?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo