Cheap flights from San Francisco to Cardiff from £341
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from San Francisco to Cardiff
Cheapest flights from San Francisco to CardiffExplore the most affordable flight options available from San Francisco to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.
Explore the most affordable flight options available from San Francisco to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from San Francisco to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from San Francisco to Cardiff that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoCardiff
SFO - CWL
SFOCWL
San Francisco
Thu 22/5
10:15-22:50
3 stops52h 35m
San FranciscoCardiff
SFO - CWL
SFOCWL
San Francisco
Thu 22/5
13:45-09:10
1 stop35h 25m
San FranciscoCardiff
SFO - CWL
SFOCWL
San Francisco
Wed 21/5
00:40-09:15
2 stops24h 35m
Best time to book a flight from San Francisco to Cardiff
Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Cardiff
Rainfall in Cardiff by month
Plan your trip to Cardiff by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.
Temperature in Cardiff by month
Plan your trip to Cardiff by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).
Reviews of airlines servicing Cardiff
Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 17 April 2025.
Comfort
Crew
Food
Entertainment
Boarding
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Crew
Food
Entertainment
Boarding
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Crew
Food
Entertainment
Boarding
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Francisco to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Francisco to Cardiff?
When you search for this flight from San Francisco to Cardiff, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Cardiff?
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 Cardiff from San Francisco.
Can Cheapflights find flights from San Francisco to Cardiff with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Cardiff flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from San Francisco to Cardiff become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!