Cheap flights from Ireland to San Francisco from £292
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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ireland to San Francisco
Recent return flight deals from Ireland to San Francisco
Recent one-way flight deals from Ireland to San Francisco
Recent last minute flight deals from Ireland to San Francisco
Recent direct flight deals from Ireland to San Francisco
British Airways flights from Ireland to San Francisco
Our best British Airways deals on Ireland to San Francisco flight tickets
Aer Lingus flights from Ireland to San Francisco
Our best Aer Lingus deals on Ireland to San Francisco flight tickets
See travel insights to San Francisco from
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?
The month of November is, on average, the cheapest month to fly to San Francisco from Ireland, with most prices found around £451. If you are unable to visit San Francisco during the month of November, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around £455.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart on your flight to San Francisco is on a Friday when prices can be found for as low as £563. This is often the case because there is less demand to fly during this day of the week. Flights from Ireland to San Francisco on a Saturday will generally be more expensive and average around £664. 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 San Francisco?
Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from Ireland to San Francisco during this time can be as low as £440. Try not to purchase tickets in the afternoon because they tend to be around £749. Of course, these prices can vary depending on the time of year and what airport you fly to.
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 10 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £543 when searching 10 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 £502 on momondo.
What cabin class options are available on Ireland to San Francisco flights?
There are 2 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?
TAP AIR PORTUGAL, WestJet, and United Airlines are the most popular carriers operating from Ireland to San Francisco
Which airlines fly to San Francisco?
Aer Lingus, British Airways 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 65% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 8 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?
As of March 2025, 1 flights take off from Ireland and land in San Francisco each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.
How many flights depart from Ireland to San Francisco on average per week?
As of March 2025, there are 12 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Mon, with 25% 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 | £292 |
|---|---|
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 are updated daily.
How many operators does momondo search for flights from Ireland to San Francisco Airport?
As of March 2025, there are 8 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?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to San Francisco is Airbus A330-300 (66.14% of total bookings). The next most popular plane models are Airbus A330 (23.37%), Airbus A330-200 (6.20%), and Airbus A220-300 (1.59%).
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 £247 | Free Cancellation | Rating 7.3 1,325 reviews | |||
| PriceFrom £338 | Free Cancellation | Rating 7.8 1,319 reviews | |||
| PriceFrom £342 | Free Cancellation | Rating 6.6 6,712 reviews | |||
| PriceFrom £352 | Free Cancellation | Rating 7.0 1,062 reviews | |||
| PriceFrom £374 | Free Cancellation | Rating 7.0 8,960 reviews | |||
| PriceFrom £408 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom £421 | Free Cancellation | Rating 7.4 8,608 reviews | |||
| PriceFrom £461 | Free Cancellation | Rating 7.4 1,423 reviews |
Travelling 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?
Finding the right flight to San Francisco from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.
Can I find flights from Ireland to San Francisco with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Francisco from Ireland with this policy.
How can momondo help me find flights from Ireland to San Francisco?
momondo provides multiple filters to help you find the best flight to San Francisco from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ireland to San Francisco right now. Can momondo alert me if prices change?
Price alerts on flights to San Francisco from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.