€271 Cheap flights to San Francisco
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Francisco departing on 15/6. 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.
Save money when you book flights 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
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Recent direct flight deals from Ireland to San Francisco
See travel insights to San Francisco from
San Francisco flights insights and trends
Explore insights for your San Francisco flight to craft the best travel plan
What is the cheapest month to fly to San Francisco?
The cheapest month to fly to San Francisco from Ireland is in February. Flight prices, which tend to average around €524, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to San Francisco from Ireland during November instead. Flights to San Francisco in November, while not as cheap as those in February, still average around €530.
What is the absolute cheapest flight to San Francisco?
See prices from:
What is the cheapest day to depart on your flight to San Francisco?
On average, the least expensive day to fly to San Francisco from Ireland is on a Monday. momondo users have found tickets for Monday departures for as low as €579. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €725.
What is the cheapest time of day to depart on your flight to San Francisco?
According to our data, the cheapest time of day to fly to San Francisco is in the evening. momondo users have found flights departing from Ireland to San Francisco in the evening for as low as €550. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €991 on average. Flights to San Francisco from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
Cheapest flights to San Francisco
Find the cheapest flights to San Francisco from your nearest city or airport
| CHEAPEST MONTH TO FLY TO SAN FRANCISCO FROM DUBLIN | February | 19% cheaper | Flying from Dublin to San Francisco costs on average just €524 in February |
| MOST EXPENSIVE MONTH TO FLY TO SAN FRANCISCO FROM DUBLIN | July | 27% more expensive | It costs about €818 for flights to San Francisco from Dublin in July |
| MOST POPULAR MONTH TO FLY TO SAN FRANCISCO FROM DUBLIN | July | 371% more users visited | More momondo users searched in flights to San Francisco from Dublin in July than any other month |
Cheap San Francisco flight deals and tips
Summary info about San Francisco flight prices, duration and airlines
Best One-Way Price | €271 |
|---|---|
Best Round-Trip Price | €449 |
Fastest flight time | 17h 00m |
Popular in | July |
Frequently asked questions about flying to San Francisco
When is it best to fly to San Francisco to go sightseeing?
The best time to plan to fly to San Francisco to go sightseeing would be when the temperature is not unbearable and the chance of rain is only moderate. Considering those guidelines, January, February, or December seem like the best times of year to plan your visit.
How far in advance should I book a flight to San Francisco?
The best time to book a flight to San Francisco from Ireland is 40 days out, which is when prices tend to be around €640. However, in the past 72 hours, people saw flights from Ireland for as low as €492.
Is there an alternative airport near San Francisco?
Those flying to San Francisco could potentially find better pricing at Oakland Airport (19 km from San Francisco city centre), Concord Buchanan Fld Airport (38 km from San Francisco city centre), Napa County Airport (48 km from San Francisco city centre), San Jose Airport (64 km from San Francisco city centre) or Santa Rosa Sonoma County Airport (87 km from San Francisco city centre) depending on the month and departure airport.
Is there a cheaper alternative to flying into San Francisco?
Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in San Francisco is Santa Rosa Sonoma County Airport where the average price is €302. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
When did momondo last update prices for flights to San Francisco Airport?
Prices for flights to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights to San Francisco Airport?
As of May 2025, there are 11 operators available to choose from for flights to San Francisco Airport.
How old do you have to be to fly to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
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 to San Francisco?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to San Francisco. Millions of users trust and use momondo every year so you are in good company.
Can I find flights to San Francisco with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Francisco which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to San Francisco?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to San Francisco.
I’m not ready to book a flight to San Francisco right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for San Francisco and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.