Question 1

What is the cheapest flight from Cardiff to San Francisco?

Accepted Answer

In the last 3 days, the lowest price for a flight from Cardiff to San Francisco was $849 for a round-trip ticket. <a href='/flight-routes/Cardiff-Wales-Arpt-CWL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Cardiff and San Francisco?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Cardiff and on arrival in San Francisco. <a href='/flight-routes/Cardiff-Wales-Arpt-CWL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 3

Which aircraft models fly most regularly from Cardiff to San Francisco?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 4

How does KAYAK find such low prices on flights from Cardiff to San Francisco?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cardiff to San Francisco. <a href='/flight-routes/Cardiff-Wales-Arpt-CWL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 5

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cardiff to San Francisco?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Cardiff is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Cardiff-Wales-Arpt-CWL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 6

What is the Hacker Fare option on flights from Cardiff to San Francisco?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Cardiff with another airline. Booking your flights between Cardiff and SFO can sometimes prove cheaper using this method. <a href='/flight-routes/Cardiff-Wales-Arpt-CWL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 7

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cardiff to San Francisco?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Cardiff up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Cardiff-Wales-Arpt-CWL/San-Francisco-SFO'>Visit our flight page for the latest deals!>/a>

Question 8

Which airlines provide the cheapest flights from Cardiff to San Francisco?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Cardiff to San Francisco were found on KLM ($863) and Virgin Atlantic ($868).

Question 9

Which airlines provide the cheapest flights from Cardiff to San Francisco?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Cardiff to San Francisco were found on KLM ($863) and Virgin Atlantic ($868).

CWL - SFO

$849 Find Cheap Flights from Cardiff to San Francisco

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

Cheap Flights from Cardiff to San Francisco (CWL-SFO)

Recent round-trip flight deals from Cardiff to San Francisco

Recent one-way flight deals from Cardiff to San Francisco

Everything you should know

KAYAK's insights & trends for Cardiff to San Francisco flights

Get data-powered insights and trends into flights from Cardiff to San Francisco to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Cardiff to San Francisco?

In the past 3 days, the cheapest round-trip tickets from Cardiff to San Francisco were found on KLM ($863) and Virgin Atlantic ($868).

Good to know

When to book flights from Cardiff to San Francisco

FAQs for booking flights from Cardiff to San Francisco

What is the cheapest flight from Cardiff to San Francisco?

In the last 3 days, the lowest price for a flight from Cardiff to San Francisco was $849 for a round-trip ticket.

Do I need a passport to fly between Cardiff and San Francisco?

Yes, you'll most likely have to show a valid passport before boarding the plane in Cardiff and on arrival in San Francisco.

Which aircraft models fly most regularly from Cardiff to San Francisco?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Cardiff to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cardiff to San Francisco.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cardiff to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Cardiff is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Cardiff to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Cardiff with another airline. Booking your flights between Cardiff and SFO can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cardiff to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Cardiff up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Cardiff to San Francisco

Information on your arrival and departure airports

Cabin class types available on flights from Cardiff to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Find direct flights to and from Cardiff and San Francisco

Flights to other popular destinations

Flights from domestic origins to San Francisco

Choose which airport to fly into in San Francisco

Find deals for your return flight