Cheap flights from San Francisco (SFO) to Cardiff (CWL)

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How to find the cheapest flight from
San Francisco (SFO) to Cardiff (CWL)

All the information you need to plan the best SFO to CWL flight in 2021: compare San Francisco to Cardiff flight prices with the expected peak season, weather and rainfall in Cardiff.
What is the cheapest day to fly round-trip from San Francisco to Cardiff?

Travelers have found that booking a Sunday departure is the best way to save up to 106% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from San Francisco to Cardiff?

Our data shows that April tends to be the cheapest month to fly to Cardiff from San Francisco. Users have commonly found prices around $863 for the month, but tickets can be as low as $469. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from San Francisco to Cardiff (SFO - CWL)?

When flying from San Francisco to Cardiff, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 49% versus a flight in the afternoon.

Cheap flights from San Francisco to Cardiff in December, January 2022

The best prices found for SFO to CWL flights for December, January
26 Dec - 1 Jan
$1,225pp
SFO
San Francisco
KLM
 
1 STOP
CWL
Cardiff Cardiff Wales
CWL
Cardiff Cardiff Wales
KLM
 
1 STOP
SFO
San Francisco
26 Dec - 1 Jan
$1,542pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CWL
Cardiff Cardiff Wales
CWL
Cardiff Cardiff Wales
KLM
 
1 STOP
SFO
San Francisco
21 Dec - 5 Jan
$1,748pp
SFO
San Francisco
KLM
 
1 STOP
CWL
Cardiff Cardiff Wales
CWL
Cardiff Cardiff Wales
KLM
 
1 STOP
SFO
San Francisco

San Francisco to Cardiff 2022 flight deals

Cheap flights to Cardiff from San Francisco found for this year
26 Dec - 1 Jan
$1,225pp
SFO
San Francisco
KLM
 
1 STOP
CWL
Cardiff Cardiff Wales
CWL
Cardiff Cardiff Wales
KLM
 
1 STOP
SFO
San Francisco
26 Dec - 1 Jan
$1,542pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CWL
Cardiff Cardiff Wales
CWL
Cardiff Cardiff Wales
KLM
 
1 STOP
SFO
San Francisco
21 Dec - 5 Jan
$1,748pp
SFO
San Francisco
KLM
 
1 STOP
CWL
Cardiff Cardiff Wales
CWL
Cardiff Cardiff Wales
KLM
 
1 STOP
SFO
San Francisco

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Cardiff</span> flights.

Flight FAQs

From San Francisco to Cardiff

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, KLM, and Air France flying from San Francisco to Cardiff Cardiff Wales have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Cardiff for under $700 on Cheapflights?

Yes, there are multiple flights from San Francisco to Cardiff for under $700. The cheapest flight booked recently is on KLM for just $636, but on average you can expect to pay $1,706.

What are the cheapest airlines flying from San Francisco to Cardiff round-trip?

According to our current data, KLM ($636), Delta ($639), and Virgin Atlantic ($2,062) offers the cheapest pricing from San Francisco to Cardiff. KLM is currently priced 26% below the average price you’ll pay for this route.

What are the cheapest flights from San Francisco to Cardiff?

Looking at all options, your cheapest flight can be booked for $701. While the most popular route (San Francisco - Cardiff Cardiff Wales) can be booked for $686 on average our data indicates $856 when flying from San Francisco to Cardiff.

What are the most popular airlines that fly from San Francisco to Cardiff?

Before booking your flight from San Francisco to Cardiff check out the most popular airlines for this route: Air France, Delta or Aer Lingus.

COVID Restrictions

View COVID Travel Restrictions for Cardiff, Wales

Do I need a COVID test to fly to Cardiff from San Francisco?

Information is based on travel restrictions from San Francisco to Cardiff Cardiff Wales

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Cardiff Cardiff Wales.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Cardiff Cardiff Wales.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Cardiff Cardiff Wales.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to San Francisco from Cardiff?

Returning to San Francisco from Cardiff Cardiff Wales

COVID-19 testing requirements
Visitors from Cardiff Cardiff Wales must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Cardiff Cardiff Wales are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Cardiff, Wales

Alternative routes for San Francisco to Cardiff

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

Destination information for Cardiff

Things to know before you go - useful duration and weather info for your trip from San Francisco to Cardiff.
Today's exchange rate
$1 = £0.76
Average temperature for December in Cardiff
46.4 °F
Avg rainfall for December in Cardiff
2.4 ″

Airports servicing San Francisco

Airports servicing Cardiff

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