Cheap flights from Cardiff to San Francisco

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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.

Flight FAQs

From Cardiff to San Francisco

Are flight prices decreasing from Cardiff to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Cardiff and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Cardiff Cardiff Wales to San Francisco to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from Cardiff Cardiff Wales to San Francisco. Policies will vary by airline.

Which airlines flying from Cardiff Cardiff Wales to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from Cardiff Cardiff Wales to San Francisco have new flexible policies in place due to COVID-19. KLM, Air France, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like KLM with this kind of flexibility.

How popular is this flight route?

This flight path from Cardiff Cardiff Wales to San Francisco was viewed by 47 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Cardiff or San Francisco?

The rainfall in Cardiff is generally same as the rainfall in San Francisco. This will continue over the next 8 days.

Is Cardiff weather warmer or cooler than San Francisco?

Temperatures around the 25 °Cs can be experienced in September. The weather in San Francisco is hotter than in Cardiff. Plan for potential changes in flight availability as peak weather approaches in this location.

Alternative routes for Cardiff to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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 Cardiff

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
Delta
£477 £655 No cancel fee N/A
Search Delta flights
KLM
£478 £775 No cancel fee 75%
Search KLM flights
Air France
£484 £791 No cancel fee 77%
Search Air France flights
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