Cheap flights from Ireland to San Francisco from $309
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to San Francisco departing on 6/18. 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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How to get the cheapest flight ticket from Ireland to San Francisco
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 San Francisco?
If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $591.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Ireland to San Francisco is on a Thursday when prices can be found for as low as $650. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $768.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Ireland to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $627. Flights at noon are often more expensive with an average ticket price of $818.
What is the cheapest Ireland to San Francisco flight route?
Fly from Dublin to San Francisco for the best Ireland - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Ireland when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $710 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Ireland for as low as $625 on momondo.
What cabin class options are available on Ireland to San Francisco flights?
There are 4 cabin classes available to choose from on Ireland to San Francisco 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 Ireland to San Francisco?
Iberia, WestJet, and Vueling are the most popular carriers operating from Ireland to San Francisco
What airlines fly to San Francisco?
Aer Lingus, American Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Ireland according to our data. Aer Lingus is the first choice among our users, with 62% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 5 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to San Francisco on average per day?
The number of flights available between Ireland and San Francisco is 2 per day as of June 2025. The most frequent departure time is 1:00PM, with 100% of daily flights leaving in the afternoon.
How many flights depart from Ireland to San Francisco on average per week?
As of June 2025, there are 18 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.
Cheap Ireland to San Francisco flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to San Francisco
Best Price Found | $309 |
|---|---|
Fastest flight time | 10h 55m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
When did momondo last update prices for flights from Ireland to San Francisco Airport?
Prices for flights from Ireland to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Ireland to San Francisco Airport?
As of June 2025, there are 5 operators available to choose from for flights from Ireland to San Francisco Airport.
How old do you have to be to fly from Ireland to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport 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 San Francisco Airport. 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 Ireland to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Ireland to San Francisco is Airbus A330, representing 49.66% of all bookings. The subsequent popular models are Airbus A330-300 at 36.58%, Airbus A330-200 at 4.70%, and Boeing 777 at 1.34%.
Best airlines flying from Ireland to San Francisco
Compare and see reviews for airlines that fly from Ireland to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $481 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $512 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $537 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $593 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ireland to San Francisco?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Ireland.
Can I find flights from Ireland to San Francisco with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ireland to San Francisco flights to just show those with flexible booking policies.
How can momondo help me find flights from Ireland to San Francisco?
momondo helps you find the best flight between Ireland and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ireland to San Francisco right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Francisco from Ireland. 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.