Cheap flights from Ontario (USA) to San Francisco

from as little as £379

7 nights in San Francisco, departing Ontario (USA) on 15 / Dec / 2024 with Alaska Airlines (price found 127 hours ago)

Subject to availability, prices correct of the last 24 hours
San Francisco

Cheap return flights from Ontario (USA) to San Francisco

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The Ontario (USA) / San Francisco route

All 585 km of it

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San Francisco flight facts

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Alternative flights from the UK to San Francisco

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San Francisco

15 / Dec / 2024 is currently the lowest priced day of the year to fly the Ontario (USA)/San Francisco route. There are around five flights on any given week from the UK to San Francisco and the cheapest month to fly right now is December.

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Min / Max Temperature (°C)
LOWEST

8 °C

AVG

14 °C

HIGHEST

21 °C

Rainfall (mm)
LOWEST

0 mm

AVG

44.8 mm

HIGHEST

112 mm

Key facts about San Francisco

How to get cheap flights from Ontario (USA) to San Francisco

Tips and advice from our flight experts

You’ve searched for flights from Ontario (USA) to San Francisco. We've gone through all five flights that go to or via San Francisco every week, to help you find the cheapest flight. Alaska Airlines usually has the best-value flights from Ontario (USA), but make sure you compare all your options to get the cheapest flight possible.

We scan thousands of airfares from hundreds of airlines across the globe. We've found that one airlines operate the 585 km flight from Ontario (USA) to San Francisco. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute flight deal.

Alaska Airlines are the most popular airlines for flying from Ontario (USA) to San Francisco, so look out for their deals and offers. To find the best price, try searching by month. Or, if you want to bag a last-minute offer, keep an eye on Netflights to monitor the prices.

Flights from Ontario (USA) to San Francisco normally take 4 hrs 50 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near San Francisco

Where other people are flying to

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