Find flights
When to book
Airlines
FAQs

Cheap flights from San Francisco Bay Area to Cardiff from £368

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from San Francisco Bay Area to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco Bay Area to Cardiff
Explore the most affordable flight options available from San Francisco Bay Area to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2025.

Tue 2/1213:55SFO - CWL
1 stop19h 00mMultiple Airlines
Tue 9/1210:20CWL - SFO
1 stop33h 30mMultiple Airlines
Deal found 2/11£586
Tue 2/1210:30SFO - CWL
2 stops22h 25mDelta
Tue 9/1210:20CWL - SFO
2 stops20h 45mDelta
Deal found 2/11£598
Wed 3/1205:55OAK - CWL
2 stops43h 55mDelta
Sun 7/1210:20CWL - OAK
2 stops45h 48mDelta
Deal found 2/11£620
Wed 17/1206:35SJC - CWL
2 stops19h 15mKLM
Wed 24/1217:25CWL - SJC
2 stops35h 39mKLM
Deal found 2/11£929
Mon 29/1213:55SFO - CWL
1 stop19h 00mKLM
Tue 6/117:25CWL - SFO
2 stops32h 18mKLM
Deal found 2/11£966
Mon 29/1213:55SFO - CWL
1 stop19h 00mMultiple Airlines
Tue 6/110:20CWL - SFO
1 stop33h 30mMultiple Airlines
Deal found 2/11£1,010

Cheap flight deals from San Francisco Bay Area to Cardiff

Keep the following information in mind while searching for San Francisco Bay Area to Cardiff flight deals. Data was last updated 3 November 2025.

Round-trip from

£586

One-way from

£368
Air France
  • Air France
  • 2/12-9/12
  • 2 total stops
  • 52h 30m total
  • San Francisco Bay Area to Cardiff
Search Deals
23/11
  • 23/11
  • 2 total stops
  • 34h 05m total
  • San Francisco Bay Area to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Cardiff that are best for you.

Fly from

San Francisco Bay Area

Fly to

Cardiff

Route

Depart

Return

Price

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 2/12

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 9/12

10:20-11:50

1 stop33h 30m

£586

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 6/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 10/2

10:20-11:50

1 stop33h 30m

£615

OaklandCardiff

OAK - CWL

OAKCWL

Oakland

Wed 3/12

05:55-09:50

2 stops43h 55m

Cardiff Wales

Sun 7/12

10:20-00:08

2 stops45h 48m

£620

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Thu 26/2

11:42-16:45

2 stops21h 03m

Cardiff Wales

Mon 2/3

10:20-16:54

2 stops38h 34m

£626

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 17/12

06:35-09:50

2 stops19h 15m

Cardiff Wales

Wed 24/12

17:25-21:04

2 stops35h 39m

£929

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 23/11

18:20-12:25

2 stops34h 05m

£368

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 22/11

20:53-23:05

2 stops42h 12m

£476

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sat 22/11

06:25-09:50

2 stops19h 25m

£566

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 21/11

07:05-09:50

2 stops18h 45m

£566

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Fri 21/11

09:03-16:55

2 stops23h 52m

£730

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 11 results
1
2

Best time to book a flight from San Francisco Bay Area to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from San Francisco Bay Area with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to Cardiff
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 3 November 2025.
Check out reviews from past customers who have flown with KLM from San Francisco Bay Area to Cardiff to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from San Francisco Bay Area?

    Cardiff Wales (CWL) is the airport you will fly into if you book a flight from San Francisco Bay Area to Cardiff. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.

  • How long is the flight from San Francisco Bay Area to Cardiff?

    There are many flights that can get you from San Francisco Bay Area to Cardiff in 19h. Fly via Delta or KLM to get the fastest option. The distance between San Francisco Bay Area and Cardiff is about 5267 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from San Francisco Bay Area to Cardiff?

    While some choose either San Jose - Cardiff Wales or Oakland - Cardiff Wales, San Francisco - Cardiff Wales is the most popular route from San Francisco Bay Area to Cardiff.

  • Can I find deals for flights from San Francisco Bay Area to Cardiff that include hotel bookings?

    Yes. In addition to deals on San Francisco Bay Area to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco Bay Area to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Cardiff.

  • Can I find deals for business class flights from San Francisco Bay Area to Cardiff?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from San Francisco Bay Area to Cardiff

Discover the top airline that operate flights from San Francisco Bay Area to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£583Average£626FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco Bay Area to Cardiff?

Cheapflights helps you search for flights from San Francisco Bay Area to Cardiff via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to Cardiff?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco Bay Area to Cardiff for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Francisco Bay Area to Cardiff with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco Bay Area to Cardiff flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco Bay Area to Cardiff become cheaper?

Yes, Cheapflights offers price alerts on San Francisco Bay Area to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.