What airlines fly to Ireland?

Aer Lingus, United Airlines and American 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 15 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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

As of December 2025, there are 2 flights per day flying from San Francisco to Ireland. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

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.

How often are flights from San Francisco to Ireland delayed?

Historically, on average around 11% 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 163 minutes.

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 11% of their flights experiencing any sort of delay.

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

As of December 2025, 20 flights take off from San Francisco and land in Ireland each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

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

Scandinavian Airlines, Aer Lingus, and British Airways are the most popular carriers operating from San Francisco to Ireland

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 December 2025, there are 15 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.

$302 Cheap Flights from San Francisco to Ireland in 2025/26

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4:35 pm - 8:35 pm

SFO

SNN

20h 00m1 stop

9:15 pm - 1:50 pm

SNN

SFO

24h 35m1 stop

$566American Airlines

Wed, Apr 15 - Tue, Apr 21

4:35 pm - 4:10 pm

SFO

SNN

15h 35m1 stop

9:15 pm - 1:50 pm

SNN

SFO

24h 35m1 stop

$567American Airlines

Mon, May 4 - Tue, May 12

9:32 am - 11:20 am

SFO

SNN

17h 48m2 stops

9:15 pm - 1:50 pm

SNN

SFO

24h 35m1 stop

$571American Airlines

Wed, Apr 15 - Tue, Apr 21

10:35 pm - 10:15 am

SFO

SNN

27h 40m3 stops

12:30 pm - 9:34 pm

SNN

SFO

17h 04m2 stops

$589United Airlines

Mon, May 4 - Tue, May 12

7:25 am - 11:50 am

SFO

DUB

20h 25m2 stops

8:00 pm - 2:40 pm

DUB

SFO

26h 40m2 stops

$594Scandinavian Airlines

Wed, Apr 8 - Sat, Apr 18

4:45 pm - 11:50 am

SFO

DUB

35h 05m1 stop

12:40 pm - 2:40 pm

DUB

SFO

34h 00m1 stop

$598Scandinavian Airlines

Mon, May 4 - Mon, May 11

7:15 am - 10:15 am

SFO

SNN

19h 00m2 stops

12:30 pm - 7:30 pm

SNN

SFO

15h 00m1 stop

$631United Airlines

Thu, Apr 30 - Thu, May 14

9:35 pm - 12:55 pm

SFO

ORK

31h 20m2 stops

1:25 pm - 11:50 am

ORK

SFO

30h 25m1 stop

$649Delta

Sun, Jan 11 - Tue, Jan 27

10:55 pm - 12:55 pm

SFO

ORK

30h 00m2 stops

6:00 am - 5:43 pm

ORK

SFO

19h 43m2 stops

$655Delta

Sun, Jan 11 - Tue, Jan 27

5:30 pm - 8:00 pm

SFO

CFN

18h 30m2 stops

7:55 am - 3:00 pm

CFN

SFO

39h 05m2 stops

$1,159British Airways

Sun, Feb 1 - Thu, Feb 5

Scandinavian Airlines flights from San Francisco to Ireland

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

Scandinavian Airlines

Apr 8

SFO7:25 amSan Francisco

20h 25m

2 stops

DUB11:50 amDublin

Apr 18

DUB8:00 pmDublin

26h 40m

2 stops

SFO2:40 pmSan Francisco

$594

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Scandinavian Airlines

May 4

SFO4:45 pmSan Francisco

35h 05m

1 stop

DUB11:50 amDublin

May 11

DUB12:40 pmDublin

34h 00m

1 stop

SFO2:40 pmSan Francisco

$598

Find similar

Scandinavian Airlines

Apr 5

SFO4:45 pmSan Francisco

35h 05m

1 stop

DUB11:50 amDublin

Apr 13

DUB12:40 pmDublin

34h 00m

1 stop

SFO2:40 pmSan Francisco

$603

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TAP AIR PORTUGAL flights from San Francisco to Ireland

Our best TAP AIR PORTUGAL deals on San Francisco to Ireland flight tickets

TAP AIR PORTUGAL

Feb 7

SFO4:35 pmSan Francisco

22h 45m

1 stop

DUB11:20 pmDublin

Feb 13

DUB4:25 amDublin

18h 20m

1 stop

SFO2:45 pmSan Francisco

$604

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TAP AIR PORTUGAL

Jan 14

SFO4:35 pmSan Francisco

22h 45m

1 stop

DUB11:20 pmDublin

Jan 27

DUB4:55 pmDublin

29h 35m

1 stop

SFO2:30 pmSan Francisco

$607

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Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 4/15

4:35 pm-8:35 pm

1 stop20h 00m

Shannon

Tue 4/21

9:15 pm-1:50 pm

1 stop24h 35m

$566

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 5/4

4:35 pm-4:10 pm

1 stop15h 35m

Shannon

Tue 5/12

9:15 pm-1:50 pm

1 stop24h 35m

$567

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 4/15

9:32 am-11:20 am

2 stops17h 48m

Shannon

Tue 4/21

9:15 pm-1:50 pm

1 stop24h 35m

$571

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 5/4

10:35 pm-10:15 am

3 stops27h 40m

Shannon

Tue 5/12

12:30 pm-9:34 pm

2 stops17h 04m

$589

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 4/8

7:25 am-11:50 am

2 stops20h 25m

Dublin

Sat 4/18

8:00 pm-2:40 pm

2 stops26h 40m

$594

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 5/4

4:45 pm-11:50 am

1 stop35h 05m

Dublin

Mon 5/11

12:40 pm-2:40 pm

1 stop34h 00m

$598

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 4/30

7:15 am-10:15 am

2 stops19h 00m

Shannon

Thu 5/14

12:30 pm-7:30 pm

1 stop15h 00m

$631

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Sun 1/11

9:35 pm-12:55 pm

2 stops31h 20m

Cork

Tue 1/27

1:25 pm-11:50 am

1 stop30h 25m

$649

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Sun 1/11

10:55 pm-12:55 pm

2 stops30h 00m

Cork

Tue 1/27

6:00 am-5:43 pm

2 stops19h 43m

$655

San FranciscoDonegal

SFO - CFN

SFOCFN

San Francisco

Sun 2/1

5:30 pm-8:00 pm

2 stops18h 30m

Donegal

Thu 2/5

7:55 am-3:00 pm

2 stops39h 05m

$1,159

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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 $596. 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 $672.

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 $764. 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 $865. 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 $768 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 $674 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.

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	$445
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 $445. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $734.

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 December 2025, there are 15 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 43.56% of the total bookings. Other popular models include Airbus A330 with 14.20%, Boeing 777 with 13.39%, and Airbus A330-200 with 8.80%.

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 1,604 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $471	Free Cancellation	Rating 6.7 7,573 reviews	Search British Airways flights
SWISS	PriceFrom $506	Free Cancellation	Rating 7.5 1,809 reviews	Search SWISS flights
Aer Lingus	PriceFrom $506	Free Cancellation	Rating 7.2 1,391 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $508	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Air Canada	PriceFrom $510	Free Cancellation	Rating 7.1 10,514 reviews	Search Air Canada flights
TAP AIR PORTUGAL	PriceFrom $517	Free Cancellation	Rating 7.1 2,086 reviews	Search TAP AIR PORTUGAL flights
Delta	PriceFrom $544	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $574	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
Air France	PriceFrom $578	Free Cancellation	Rating 7.4 1,502 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.

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Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $308

Flights to Shannon, Clarefrom $338

Flights to Corkfrom $391

Flights to Knockfrom $562

Flights to Milltown (Kerry)from $512

Flights to Donegalfrom $833

Cheap flights from San Francisco to Ireland from $302

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 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from San Francisco to Ireland

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See travel insights to Ireland from

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

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.

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

Scandinavian Airlines, Aer Lingus, and British Airways 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 11% 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 163 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 11% of their flights experiencing any sort of delay.

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

As of December 2025, there are 2 flights per day flying from San Francisco to Ireland. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

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

As of December 2025, 20 flights take off from San Francisco and land in Ireland each week. The most common flight departure day for this route is Mon, with 20% 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