Ontario to San Francisco runs about 24 times a day, with the first departure around 06:06 and the last around 20:00. One passenger pays between €52.06 and €54.42, every fee included, depending on the operator and the way you travel. The fastest door to door is 4h 21m over 613 km, on services run by 4 operators across 1 mode.
What one seat costs
The spread between the cheapest and dearest typical fare on this corridor, across 4 operators and 1 way of making the journey. The operator sets the price on the day.
Typical fares · Priced for October 6, 2026
€52.06 to €54.42
- 214%Moves across the booking window
When it runs, leaving Ontario
No operator has filed a timetable for this direction yet, so the first and last departure below follow the pattern of the corridor. Read them as the shape of the service day rather than as times to turn up for.
- 06:06First departure
- 20:00Last departure
- 24Services per day
- 100%Run direct
Fares by date
What this journey usually costs, by departure date. It shows which days run dearer.
Typical fares
- about €137.61Sat19
- about €109.88Sun20
- about €95.72Mon21
- about €78.61Tue22
- about €84.51Wed23
- about €107.52Thu24
- about €95.72Fri25
- about €83.92Sat26
- about €75.66Sun27
- about €65.63Mon28
- about €63.86Tue29
- about €69.76Wed30
- about €79.20Thu1
- about €72.71Fri2
- about €65.04Sat3
- about €60.32Sun4
- about €53.24Mon5
- about €52.06Tue6
- about €54.42Wed7
- about €67.99Thu8
- about €62.68Fri9
Based on what this route has cost recently. The operator sets the price on the day, and the live fare is confirmed when you book.
The flight gets you into San Francisco. It does not get you a bed, and neither do we.
A room in San Francisco for the night the flight gets in
Sort by distance from San Francisco 4th and King and you can see which places are ten minutes on foot and which are not.
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When to book Ontario to San Francisco
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €69.1790 days
- €43.8060 days
- €43.8045 days
- €56.1930 days
- €62.6821 days
- €72.7114 days
- €95.727 days
- €95.723 days
- €137.611 days
- Cheapest lead time
- Fares bottom out around 60 days ahead, at €43.80.
- How much it moves
- The gap between the cheapest and most expensive lead time is 214 percent. The most expensive point is €137.61, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 60 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Book now Fares on this route are lowest around 45 days ahead. You are inside that window.
This corridor, specifically
Facts that apply to Ontario to San Francisco and to no other route on the site.
Clocks
Both ends keep the same time, so the arrival is the departure plus the journey.
The shape of it
613 km
595 km as the crow flies, 3% further by the route services take. The bearing runs north-west.
Who lives at each end
171,214 → 827,526
Population at the departure city and at the arrival city, which is usually what decides how often anything runs.
How we know
0/2
2 of these connections were inferred from service-area overlap rather than observed in a timetable. We would rather say so.
The route
What the journey looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- How far it really runs
- The route covers 613 km against 595 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
Who runs this route
The flight gets in hours before any room is ready. Holding a bag is not what we sell.
Baggage storage near San Francisco 4th and King
Most of the points near San Francisco 4th and King open before the first train and close after the last one.
Check San Francisco on StasherOr try Bounce
Partner links. We do not run these networks. We earn a commission on a booking, and the price is the same as going direct.
Questions about Ontario to San Francisco
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does it take to get from Ontario to San Francisco?
The fastest journey from Ontario to San Francisco takes 4h 21m door to door, of which 1h 11m is spent moving, on the flight. Most services take around 4h 25m, because that average includes slower stopping services and journeys with a connection. Times include reaching the terminal and leaving it at the far end.
How much does it cost to travel from Ontario to San Francisco?
The cheapest fare from Ontario to San Francisco is €52.06, as of September 18, 2026. A typical fare across the next three weeks is €86.28. Both figures are the total for one passenger, including taxes, supplier fees and our service fee, so nothing is added at checkout.
What is the cheapest way to get from Ontario to San Francisco?
The cheapest way from Ontario to San Francisco is by flight, at €52.06 for one passenger on October 6, 2026. That journey takes 4h 21m door to door. Cheaper is rarely faster on this corridor, and the comparison table on this page shows what each mode costs against what it saves.
When should I book Ontario to San Francisco?
Fares from Ontario to San Francisco bottom out around 60 days before departure, at €43.80. Across the whole booking window the gap between the cheapest and the most expensive lead time is 214 percent, measured on September 18, 2026. Booking inside the last week has consistently cost more on this corridor.
Which day of the week is cheapest for Ontario to San Francisco?
Tuesday is the cheapest day to depart from Ontario to San Francisco, at €63.86. That is the median of 21 priced departure days across the next three weeks, as of September 18, 2026. Shifting a departure by one day is usually worth more than shifting the booking by one week.
Which month is cheapest for Ontario to San Francisco?
February is the cheapest of the next 5 months to travel from Ontario to San Francisco, at €44.98 for one passenger. Each month is priced on its fifteenth, so the comparison is like for like rather than a mix of weekends and midweek departures.
Who runs service from Ontario to San Francisco?
No operator record names Ontario to San Francisco directly. Air Canada, Frontier Airlines, SkyWest, United Airlines publish service areas covering both ends and may serve it, so we list them as possible operators rather than confirmed ones.
Is there a direct service from Ontario to San Francisco?
Every service we sell from Ontario to San Francisco is direct, with around 24 departures a day and a fastest journey of 4h 21m door to door. No connection is needed, so there is no missed connection risk to plan around on this corridor.
Which station or terminal do services from Ontario to San Francisco use?
Services from Ontario to San Francisco by flight leave from Ontario ONT and arrive at San Francisco SFO. Allow about 3h 10m in total for reaching the departure terminal and leaving the arrival one, which is already included in every door to door time on this page.
Can I change or refund a ticket from Ontario to San Francisco?
0 of the 4 operators we sell from Ontario to San Francisco allow a change or a refund. A change on a changeable fare costs €5.00. The operator table on this page names which is which, and the condition is shown again before you pay.
Where these numbers come from
Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.
Derived from service area No carrier record names this exact pair. The operators listed publish a service area covering both places at a distance their mode plausibly carries people, which is evidence that the corridor is served and not evidence of a specific service. Pages state which, because presenting the two as the same thing would be dishonest.
Where no operator publishes a fare for a corridor, the price here is our own estimate, worked out from the real distance and the real operator through a fare curve that follows lead time, day of the week and season. It tells you roughly what the journey costs. It is not a seat anyone has agreed to sell, and the payment step will not take it.
Defined in full at Door to door, Fares, The booking window, Carbon, Distances
- On this page
- Every figure above was computed for Ontario to San Francisco on September 18, 2026: 613 km of route against 595 km in a straight line, 24 services a day, 4 operators a cheapest fare of €52.06, and 4h 21m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
Being on the water gives San Francisco a set of days out that do not start at a station. We do not sell those either.
Day trips out of San Francisco and across United States
Day trips that leave San Francisco in the morning and cover a good part of United States by evening.
See San Francisco on GetYourGuideOr browse Viator
Partner links. We do not sell tours or tickets. We earn a commission on a booking, and it never changes the price.
The two ends, compared
Ontario reaches 65 places in 2 countries on services we hold, over distances from 41 to 4,174 km. San Francisco reaches 127 places in 31 countries, from 24 to 13,585 km.
Other ways to make this journey
Leaving Ontario
- 65Places you can leave for
- 2Countries
- 20Operators
Arriving in San Francisco
Leaving San Francisco
- 127Places you can leave for
- 31Countries
- 54Operators