We've compared all 85 flights that go to or via San Francisco every week, to find the best deal for you. Virgin Atlantic usually has the cheapest flights from Cardiff to San Francisco, so keep an eye out for them in your search results. If they’re not the cheapest option, try searching by month to compare costs throughout the week.
When you fly from Cardiff to San Francisco, you'll have two airlines to choose from for your 8489 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.
To sort cheap flights to San Francisco, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Virgin Atlantic too, as they're the most popular airline for flying from Cardiff to San Francisco.
It takes about 20 hrs 30 mins to fly from Cardiff to San Francisco. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.