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

Price Alerts will notify you by email when the price for flights to San Francisco from Cardiff 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 Cardiff to San Francisco with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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 Cardiff Wales Airport to San Francisco Airport?

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cardiff Wales Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$761 Cheap Flights from Cardiff to San Francisco in 2025/26

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Find the cheapest flights from Cardiff to San Francisco

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 am - 11:13 pmCWL-SFO

20h 53m2 stops

7:00 am - 9:50 amSFO-CWL

18h 50m2 stops

$828Delta

Find Deal

Thu, Dec 4 - Thu, Dec 11

10:20 am - 11:50 amCWL-SFO

33h 30m1 stop

5:50 am - 9:50 amSFO-CWL

44h 00m2 stops

$834Virgin Atlantic

Find Deal

Thu, Dec 4 - Thu, Dec 11

10:20 am - 11:50 amCWL-SFO

33h 30m1 stop

1:55 pm - 4:45 pmSFO-CWL

18h 50m1 stop

$868Multiple Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

10:20 am - 11:50 amCWL-SFO

33h 30m1 stop

5:45 am - 4:55 pmSFO-CWL

27h 10m2 stops

$874Virgin Atlantic

Find Deal

Fri, Dec 5 - Fri, Dec 12

10:20 am - 11:13 pmCWL-SFO

20h 53m2 stops

5:45 am - 4:55 pmSFO-CWL

27h 10m2 stops

$876Virgin Atlantic

Find Deal

Fri, Dec 5 - Fri, Dec 12

5:25 pm - 11:50 amCWL-SFO

26h 25m1 stop

1:55 pm - 4:55 pmSFO-CWL

19h 00m1 stop

$907KLM

Find Deal

Fri, Dec 5 - Fri, Dec 12

5:25 pm - 4:05 pmCWL-SFO

30h 40m3 stops

4:40 pm - 10:00 pmSFO-CWL

21h 20m2 stops

$1,113Multiple Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 11

10:20 am - 12:50 pmCWL-SFO

33h 30m1 stop

1:45 pm - 4:45 pmSFO-CWL

19h 00m1 stop

$1,121Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

10:20 am - 12:50 pmCWL-SFO

33h 30m1 stop

10:30 pm - 4:45 pmSFO-CWL

34h 15m2 stops

$1,122Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

10:20 am - 10:35 amCWL-SFO

31h 15m2 stops

2:20 pm - 4:45 pmSFO-CWL

18h 25m2 stops

$1,126Delta

Find Deal

Thu, Mar 26 - Mon, Mar 30

Virgin Atlantic flights from Cardiff to San Francisco

Our best Virgin Atlantic deals on Cardiff to San Francisco flight tickets

Virgin Atlantic

Dec 4

CWL10:20 amCardiff Wales

33h 30m

1 stop

SFO11:50 amSan Francisco

Dec 11

SFO5:50 amSan Francisco

44h 00m

2 stops

CWL9:50 amCardiff Wales

$834

Find similar

Virgin Atlantic

Dec 5

CWL10:20 amCardiff Wales

33h 30m

1 stop

SFO11:50 amSan Francisco

Dec 12

SFO5:45 amSan Francisco

27h 10m

2 stops

CWL4:55 pmCardiff Wales

$874

Find similar

Virgin Atlantic

Dec 5

CWL10:20 amCardiff Wales

20h 53m

2 stops

SFO11:13 pmSan Francisco

Dec 12

SFO5:45 amSan Francisco

27h 10m

2 stops

CWL4:55 pmCardiff Wales

$876

Find similar

Delta flights from Cardiff to San Francisco

Our best Delta deals on Cardiff to San Francisco flight tickets

Delta

Dec 4

CWL10:20 amCardiff Wales

20h 53m

2 stops

SFO11:13 pmSan Francisco

Dec 11

SFO7:00 amSan Francisco

18h 50m

2 stops

CWL9:50 amCardiff Wales

$828

Find similar

Delta

Mar 26

CWL10:20 amCardiff Wales

33h 30m

1 stop

SFO12:50 pmSan Francisco

Mar 29

SFO12:40 amSan Francisco

24h 35m

2 stops

CWL9:15 amCardiff Wales

$1,121

Find similar

Delta

Mar 26

CWL10:20 amCardiff Wales

33h 30m

1 stop

SFO12:50 pmSan Francisco

Mar 30

SFO10:30 pmSan Francisco

34h 15m

2 stops

CWL4:45 pmCardiff Wales

$1,122

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 12/4

10:20 am-11:13 pm

2 stops20h 53m

San Francisco

Thu 12/11

7:00 am-9:50 am

2 stops18h 50m

$828

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 12/4

10:20 am-11:50 am

1 stop33h 30m

San Francisco

Thu 12/11

5:50 am-9:50 am

2 stops44h 00m

$834

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 12/4

10:20 am-11:50 am

1 stop33h 30m

San Francisco

Thu 12/11

1:55 pm-4:45 pm

1 stop18h 50m

$868

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Fri 12/5

10:20 am-11:50 am

1 stop33h 30m

San Francisco

Fri 12/12

5:45 am-4:55 pm

2 stops27h 10m

$874

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Fri 12/5

10:20 am-11:13 pm

2 stops20h 53m

San Francisco

Fri 12/12

5:45 am-4:55 pm

2 stops27h 10m

$876

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Fri 12/5

5:25 pm-11:50 am

1 stop26h 25m

San Francisco

Fri 12/12

1:55 pm-4:55 pm

1 stop19h 00m

$907

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 12/4

5:25 pm-4:05 pm

3 stops30h 40m

San Francisco

Thu 12/11

4:40 pm-10:00 pm

2 stops21h 20m

$1,113

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 3/26

10:20 am-12:50 pm

1 stop33h 30m

San Francisco

Mon 3/30

1:45 pm-4:45 pm

1 stop19h 00m

$1,121

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 3/26

10:20 am-12:50 pm

1 stop33h 30m

San Francisco

Mon 3/30

10:30 pm-4:45 pm

2 stops34h 15m

$1,122

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 3/26

10:20 am-10:35 am

2 stops31h 15m

San Francisco

Mon 3/30

2:20 pm-4:45 pm

2 stops18h 25m

$1,126

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cardiff to San Francisco

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Cardiff Wales to San Francisco by plane?
San Francisco is 5259.0 mi away from Cardiff Wales. By plane, this route typically takes 19h 27m.
When did momondo last update prices for flights from Cardiff Wales Airport to San Francisco Airport?
Prices for flights from Cardiff Wales Airport to San Francisco Airport refresh daily.
How old do you have to be to fly from Cardiff Wales Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cardiff Wales Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Cardiff to San Francisco?
Price Alerts will notify you by email when the price for flights to San Francisco from Cardiff 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 Cardiff to San Francisco with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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.

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Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Calistoga

Hayward

Big Sur

Santa Clara

Daly City

Berkeley

Fremont

Vallejo

Walnut Creek

Half Moon Bay

Salinas

Turlock

Pacific Grove

Livermore

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to San Francisco for you.

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

Flights from Cardiff to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Cardiff to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to San Francisco from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.