Which airports can I use when flying from Cardiff to San Francisco?

Flights from Cardiff to San Francisco usually depart from Cardiff Wales (CWL) and arrive at San Francisco (SFO).

Can I save money by using flexible dates for flights from Cardiff to San Francisco?

On the Cardiff to San Francisco route, being flexible with your departure day can save you up to 35%. Saturday is the cheapest day at $1,085 round-trip on average, while Thursday is the most expensive at $1,649: a $564 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in San Francisco?

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Do I need a passport to fly from Cardiff to San Francisco?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Cardiff to San Francisco changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $707 to $1,557. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Cardiff and San Francisco?

San Francisco is 8 hours behind Cardiff (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at San Francisco Airport (SFO)?

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include: · Thrifty · Europcar · Dollar · Hertz · Fox

Cheap Flights from Cardiff to San Francisco | KAYAK

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Cheapest round-trip

$707

Typical prices: $1,009-$1,649

Air France, KLM

Mon 10/1Mon 10/8

CWL - SFO • 1 stop

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Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Cardiff to San Francisco

Thu, Oct 1 - Thu, Oct 8

5:15 pm - 11:45 amCWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

1:45 pm - 9:15 amSFO San Francisco-CWL Cardiff Wales

35h 30m1 stop Amsterdam Schiphol

$707Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

5:15 pm - 11:45 amCWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

7:00 am - 9:15 amSFO San Francisco-CWL Cardiff Wales

18h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$711Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

9:45 am - 10:38 pmCWL Cardiff Wales-SFO San Francisco

20h 53m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

7:00 am - 9:15 amSFO San Francisco-CWL Cardiff Wales

18h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$719Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

5:15 pm - 6:17 pmCWL Cardiff Wales-SFO San Francisco

33h 02m2 stops Amsterdam Schiphol New York John F Kennedy Intl

1:45 pm - 9:15 amSFO San Francisco-CWL Cardiff Wales

35h 30m1 stop Amsterdam Schiphol

$736KLM

Wed, Oct 21 - Sat, Oct 24

5:15 pm - 11:45 amCWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

2:15 pm - 6:00 pmSFO San Francisco-CWL Cardiff Wales

43h 45m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

$737KLM

Wed, Oct 7 - Wed, Oct 14

5:15 pm - 11:45 amCWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

1:45 pm - 9:15 amSFO San Francisco-CWL Cardiff Wales

35h 30m1 stop Amsterdam Schiphol

$791Virgin Atlantic

Thu, Oct 1 - Thu, Oct 8

5:15 pm - 11:45 amCWL Cardiff Wales-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

1:45 pm - 4:45 pmSFO San Francisco-CWL Cardiff Wales

19h 00m1 stop Amsterdam Schiphol

$944Virgin Atlantic

Thu, Oct 1 - Thu, Oct 8

9:45 am - 11:57 pmCWL Cardiff Wales-SFO San Francisco

22h 12m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

1:45 pm - 4:45 pmSFO San Francisco-CWL Cardiff Wales

19h 00m1 stop Amsterdam Schiphol

$1,099Virgin Atlantic

Wed, Oct 21 - Sat, Oct 24

11:50 pm - 2:30 pmCWL Cardiff Wales-SFO San Francisco

22h 40m2 stops Dublin Lisbon Humberto Delgado

6:40 am - 2:55 pmSFO San Francisco-CWL Cardiff Wales

24h 15m3 stops Vancouver Intl Calgary Dublin

$1,129Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

5:15 pm - 7:00 pmCWL Cardiff Wales-SFO San Francisco

33h 45m3 stops Amsterdam Schiphol Václav Havel Prague Munich Franz Josef Strauss

2:40 pm - 9:15 amSFO San Francisco-CWL Cardiff Wales

34h 35m3 stops Frankfurt am Main Václav Havel Prague Amsterdam Schiphol

$1,151Multiple Airlines

Booking Insights

Price, demand and travel trends for Cardiff to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Cardiff to San Francisco with more confidence.

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

KLM ($736) and Virgin Atlantic ($791) are the cheapest airlines to fly round-trip from Cardiff to San Francisco according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$707

Flight from Cardiff to San Francisco

When to book flights from Cardiff to San Francisco

Are your dates flexible? Find out the best times to travel from Cardiff to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Cardiff to San Francisco?
Flights from Cardiff to San Francisco usually depart from Cardiff Wales (CWL) and arrive at San Francisco (SFO).
Can I save money by using flexible dates for flights from Cardiff to San Francisco?
On the Cardiff to San Francisco route, being flexible with your departure day can save you up to 35%. Saturday is the cheapest day at $1,085 round-trip on average, while Thursday is the most expensive at $1,649: a $564 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in San Francisco?
Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.
Do I need a passport to fly from Cardiff to San Francisco?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Cardiff to San Francisco changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $707 to $1,557. That means the highest observed fare was about 2x higher than the lowest one.
What is the time difference between Cardiff and San Francisco?
San Francisco is 8 hours behind Cardiff (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at San Francisco Airport (SFO)?
San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
· Thrifty
· Europcar
· Dollar
· Hertz
· Fox

If your dates can be flexible, aim for a Saturday departure instead of Thursday. On this route, Saturday flights average $1,085 - about $564 less than Thursday (34% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.
- Grand Hyatt At Sfo

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Everything you should know

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

Price, demand and travel trends for Cardiff to San Francisco flights

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

Key details for Cardiff to San Francisco flights

Cheapest flight

When to book flights from Cardiff to San Francisco

Your Cardiff to San Francisco flight questions, answered

Your guide to booking Cardiff to San Francisco flights

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