Question 1

What are the cheapest airlines flying from Cardiff to San Francisco round-trip?

Accepted Answer

Our cheapest airline available from Cardiff to San Francisco is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £799 on this airline. Additional options worth looking into are KLM and Delta, starting at £944 and £1,205 round-trip.

Question 2

What is the cheapest month to book a flight from Cardiff to San Francisco?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Cardiff to San Francisco (average of £538). Flying from Cardiff to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

What is the cheapest day to fly from Cardiff to San Francisco?

Accepted Answer

Travellers seeking maximum savings on their Cardiff to San Francisco flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 6

What is the cheapest day to fly round-trip from Cardiff to San Francisco?

Accepted Answer

Friday flights are generally found to be more expensive for flights from Cardiff to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

Question 7

What is the cheapest time of day to fly from CWL to SFO?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to San Francisco as you normally would.

Question 8

Can I find deals for flights from Cardiff to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Cardiff to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 9

How can I find direct flights from Cardiff to San Francisco?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to San Francisco.

Question 10

Can I find deals for business class flights from Cardiff to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from Cardiff to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 11

How does Cheapflights help users find flights from Cardiff to San Francisco?

Accepted Answer

Cheapflights makes it easy to find Cardiff to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 12

Why should you use Cheapflights to find cheap flight tickets from Cardiff to San Francisco?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Cardiff.

Question 13

Can Cheapflights find flights from Cardiff to San Francisco with no change fees?

Accepted Answer

Certainly. Search results for flights to San Francisco from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 14

Can Cheapflights notify me if prices for flights from Cardiff to San Francisco become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Cardiff to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Cheap flights from Cardiff to San Francisco from £799

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to San Francisco

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Find flight deals from Cardiff to San Francisco

Cheapest flights from Cardiff to San FranciscoExplore the most affordable flight options available from Cardiff to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Cardiff to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to San Francisco that are best for you.

Best time to book a flight from Cardiff to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Cardiff with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to San Francisco

What is the cheapest month to book a flight from Cardiff to San Francisco?

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Cardiff to San Francisco, such as Delta, KLM, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Cardiff to San Francisco round-trip?

Can I find deals for flights from Cardiff to San Francisco that include hotel bookings?

How can I find direct flights from Cardiff to San Francisco?

Can I find deals for business class flights from Cardiff to San Francisco?

What is the cheapest month to book a flight from Cardiff to San Francisco?

Travelling to a place near Cardiff?

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Alternative routes for Cardiff to San Francisco

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How does Cheapflights help users find flights from Cardiff to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Cardiff to San Francisco?

Can Cheapflights find flights from Cardiff to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Cardiff to San Francisco become cheaper?

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Cheapest flights from Cardiff to San Francisco
Explore the most affordable flight options available from Cardiff to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.