How do I get Price Alerts for flights from San Francisco to Cardiff?

Price Alerts will notify you by email when the price for flights to Cardiff from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from San Francisco to Cardiff with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from San Francisco Airport to Cardiff Wales Airport?

Prices for flights from San Francisco Airport to Cardiff Wales Airport refresh daily.

How old do you have to be to fly from San Francisco Airport to Cardiff Wales Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Cardiff Wales Airport.

What documentation or ID do you need to fly to Cardiff Wales Airport?

The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£629 Cheap Flights from San Francisco to Cardiff in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Francisco to Cardiff

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

20:10 - 09:15

SFO

CWL

29h 05m

2 stops

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

£959Air Europa

Thu, 14 May - Wed, 27 May

19:30 - 11:30

SFO

CWL

32h 00m

2 stops

12:00 - 17:40

CWL

SFO

37h 40m

2 stops

£998Aer Lingus

Thu, 14 May - Wed, 27 May

16:35 - 11:30

SFO

CWL

34h 55m

2 stops

12:00 - 13:50

CWL

SFO

33h 50m

2 stops

£1,004Aer Lingus

Thu, 14 May - Tue, 26 May

13:45 - 16:45

SFO

CWL

19h 00m

1 stop

17:15 - 11:45

CWL

SFO

26h 30m

1 stop

£1,192Scandinavian Airlines

Thu, 14 May - Wed, 27 May

Aer Lingus flights from San Francisco to Cardiff

Our best Aer Lingus deals on San Francisco to Cardiff flight tickets

Aer Lingus

14 May

SFO19:30San Francisco

32h 00m

2 stops

CWL11:30Cardiff Wales

27 May

CWL12:00Cardiff Wales

37h 40m

2 stops

SFO17:40San Francisco

£998

Aer Lingus

14 May

SFO16:35San Francisco

34h 55m

2 stops

CWL11:30Cardiff Wales

26 May

CWL12:00Cardiff Wales

33h 50m

2 stops

SFO13:50San Francisco

£1,004

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 14/5

20:10-09:15

2 stops29h 05m

Cardiff Wales

Wed 27/5

17:15-11:45

1 stop26h 30m

£959

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 14/5

19:30-11:30

2 stops32h 00m

Cardiff Wales

Wed 27/5

12:00-17:40

2 stops37h 40m

£998

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 14/5

16:35-11:30

2 stops34h 55m

Cardiff Wales

Tue 26/5

12:00-13:50

2 stops33h 50m

£1,004

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 14/5

13:45-16:45

1 stop19h 00m

Cardiff Wales

Wed 27/5

17:15-11:45

1 stop26h 30m

£1,192

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from San Francisco to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Cardiff according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Francisco to Cardiff (SFO to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Cardiff

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from San Francisco to Cardiff takes 19h 00m

There are no direct flights from San Francisco to Cardiff. There are no popular flight routes from San Francisco to Cardiff.

Search flight deals

How far is San Francisco to Cardiff Wales by plane?
San Francisco and Cardiff Wales are 5259.0 mi apart from one another. A reasonable flight in good conditions will take 19h 00m.
When did momondo last update prices for flights from San Francisco Airport to Cardiff Wales Airport?
Prices for flights from San Francisco Airport to Cardiff Wales Airport refresh daily.
How old do you have to be to fly from San Francisco Airport to Cardiff Wales Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from San Francisco to Cardiff?
Price Alerts will notify you by email when the price for flights to Cardiff from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from San Francisco to Cardiff with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Barry

Bridgend

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Cardiff?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from San Francisco.

Can I find flights from San Francisco to Cardiff with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cardiff from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Cardiff?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from San Francisco.

I’m not ready to book a flight from San Francisco to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.