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.

$813 Cheap Flights from Cardiff to San Francisco (CWL-SFO) in 2025

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0 bags

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Find the cheapest flights from Cardiff to San Francisco (CWL-SFO)

Round-trip

One-way

Cheap round-trip flights

5:15 pm - 11:45 amCWL-SFO

26h 30m1 stop

6:45 am - 9:15 amSFO-CWL

18h 30m2 stops

$813KLM

Find Deal

Thu, Sep 18 - Thu, Sep 25

9:50 am - 9:27 pmCWL-SFO

19h 37m2 stops

6:45 am - 9:15 amSFO-CWL

18h 30m2 stops

$819KLM

Find Deal

Thu, Sep 18 - Thu, Sep 25

7:55 am - 9:30 amCWL-SFO

33h 35m3 stops

4:20 pm - 9:10 amSFO-CWL

32h 50m3 stops

$1,184

Find Deal

Thu, Sep 18 - Thu, Sep 25

7:55 am - 9:30 amCWL-SFO

33h 35m3 stops

5:40 pm - 7:15 pmSFO-CWL

17h 35m2 stops

$1,362

Find Deal

Thu, Sep 18 - Thu, Sep 25

9:45 am - 9:27 pmCWL-SFO

19h 42m2 stops

6:00 am - 9:15 amSFO-CWL

19h 15m2 stops

$1,898Delta

Find Deal

Sat, Aug 16 - Tue, Aug 19

KLM flights from Cardiff to San Francisco

Our best KLM deals on Cardiff to San Francisco flight tickets

KLM

Sep 18

CWL5:15 pmCardiff Wales

26h 30m

1 stop

SFO11:45 amSan Francisco

Sep 25

SFO6:45 amSan Francisco

18h 30m

2 stops

CWL9:15 amCardiff Wales

$813

Find similar

KLM

Sep 18

CWL9:50 amCardiff Wales

19h 37m

2 stops

SFO9:27 pmSan Francisco

Sep 25

SFO6:45 amSan Francisco

18h 30m

2 stops

CWL9:15 amCardiff Wales

$819

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 9/18

5:15 pm-11:45 am

1 stop26h 30m

San Francisco

Thu 9/25

6:45 am-9:15 am

2 stops18h 30m

$813

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 9/18

9:50 am-9:27 pm

2 stops19h 37m

San Francisco

Thu 9/25

6:45 am-9:15 am

2 stops18h 30m

$819

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 9/18

7:55 am-9:30 am

3 stops33h 35m

San Francisco

Thu 9/25

4:20 pm-9:10 am

3 stops32h 50m

$1,184

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Thu 9/18

7:55 am-9:30 am

3 stops33h 35m

San Francisco

Thu 9/25

5:40 pm-7:15 pm

2 stops17h 35m

$1,362

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 8/16

9:45 am-9:27 pm

2 stops19h 42m

San Francisco

Tue 8/19

6:00 am-9:15 am

2 stops19h 15m

$1,898

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 8/10

8:45 pm-9:21 pm

3 stops56h 36m

$951

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 8/10

5:20 pm-1:50 pm

2 stops52h 30m

$1,365

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sun 8/10

5:20 pm-11:45 am

1 stop26h 25m

$1,548

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Cardiff to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Cardiff Wales to San Francisco?

KLM is the most popular carrier operating from Cardiff Wales to San Francisco

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

Best Price Found	$951
Fastest flight time	19h 37m
Direct flights	None
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Cardiff in the past 72 hours is $951. The best round-trip flight deal from Cardiff to San Francisco found on momondo in the last 72 hours is $813.

The fastest flight from Cardiff to San Francisco takes 19h 37m

There are no direct flights from Cardiff to San Francisco. Popular non-direct route for this connection is Cardiff Wales Airport - San Francisco Airport.

There is 1 airport near San Francisco: San Francisco (SFO)

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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 37m.
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.

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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.