Cheap flights from Cardiff to San Francisco Bay Area from £526
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. 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 Bay Area
Keep the following information in mind while searching for Cardiff to San Francisco Bay Area flight deals. Data was last updated 1 September 2025.
Round-trip from | £526 |
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Find flight deals from Cardiff to San Francisco Bay Area
Cheapest flights from Cardiff to San Francisco Bay AreaExplore the most affordable flight options available from Cardiff to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.
Explore the most affordable flight options available from Cardiff to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Cardiff to San Francisco Bay Area that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Wed 15/10
17:15-19:30
2 stops34h 15m
San Francisco
Wed 22/10
11:25-09:15
2 stops37h 50m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Tue 14/10
09:50-11:45
1 stop33h 55m
San Francisco
Tue 21/10
13:45-16:45
1 stop19h 00m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Wed 15/10
09:50-11:45
1 stop33h 55m
San Francisco
Wed 22/10
13:45-09:15
1 stop35h 30m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Tue 14/10
17:15-11:45
1 stop26h 30m
San Francisco
Tue 21/10
05:55-09:15
2 stops19h 20m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Tue 14/10
09:50-19:30
2 stops17h 40m
San Francisco
Mon 20/10
00:35-09:15
2 stops24h 40m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Wed 15/10
20:30-14:30
2 stops26h 00m
San Francisco
Wed 22/10
16:20-09:15
3 stops32h 55m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Tue 14/10
16:20-14:35
2 stops30h 15m
San Francisco
Tue 21/10
12:50-20:05
3 stops47h 15m
CardiffSan Francisco
CWL - SFO
CWLSFO
Cardiff Wales
Fri 13/2
10:20-11:50
1 stop33h 30m
San Francisco
Sat 21/2
18:50-16:45
2 stops37h 55m
Best time to book a flight from Cardiff to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Cardiff with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to San Francisco Bay Area
What is the cheapest month to book a flight from Cardiff to San Francisco Bay Area?
Currently, February is the cheapest month in which you can book a flight from Cardiff to San Francisco Bay Area (average of £538). Flying from Cardiff to San Francisco Bay Area 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.
Related info for your journey
Find useful and relevant information for your journey from Cardiff to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Cardiff to San Francisco Bay Area
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Cardiff to San Francisco Bay Area?
Cheapflights makes it easy to find Cardiff to San Francisco Bay Area 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.
Why should you use Cheapflights to find cheap flight tickets from Cardiff to San Francisco Bay Area?
Cheapflights simply makes it quick and affordable to book flights from Cardiff to San Francisco Bay Area by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Cardiff to San Francisco Bay Area with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Cardiff to San Francisco Bay Area, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Cardiff to San Francisco Bay Area become cheaper?
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