Skip to main content
How to find the cheapest flight from
Cheap flights from Cardiff to San Francisco
Return
Economy
How to find the cheapest flight from
Cardiff (CWL) to San Francisco (SFO)
All the information you need to plan the best CWL to SFO flight in 2021: compare Cardiff to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
What is the cheapest day to fly return from Cardiff to San Francisco?
Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 65% on your flight compared to booking on days when demand is much higher.
How far in advance should I book a flight from Cardiff to San Francisco?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 41% on flights from Cardiff to San Francisco compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £384. For sooner than that we have options available in the next 3 days from £471.
What is the cheapest month to fly from Cardiff to San Francisco?
February can be a great time to fly to San Francisco from Cardiff with a flight ticket averaging about £350. Cheapflights users have found deals in the month of February for as cheap as £256. The most expensive prices can be found in the month of July.
When is the cheapest time to fly from Cardiff to San Francisco (CWL - SFO)?
It’s typically best to fly out from Cardiff to San Francisco in the morning. Doing so could potentially save you 4% on the flight price compared to flying at midday, which is usually more expensive.
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Cardiff</span> to <span class="emphasized">San Francisco</span> flights.
Alternative routes for Cardiff to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Cardiff to Los Angeles
from £556 pp
Destination information for San Francisco
Things to know before you go - useful duration and weather info for your trip from Cardiff to San Francisco.
Today's exchange rate
£1 = $1.40
Average temperature for May in San Francisco
21.0 °C
Avg rainfall for May in San Francisco
14.0 mm
Airports servicing San Francisco
Top 3 airlines flying from Cardiff to San Francisco
The chart below displays the airlines Cheapflights users travelling from Cardiff to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
| Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
|---|---|---|---|---|---|---|
|
£477 | £655 | No cancel fee | N/A | ||
|
£478 | £775 | No cancel fee | 75% | ||
|
£484 | £791 | No cancel fee | 77% |