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Cheap flights from San Francisco Bay Area to Cardiff from £587

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
18 out — 25 out1
1 adult
1 adult, Economy

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 18 setembro 2025.

Round-trip from

£587
Delta
  • Delta
  • 25/2-2/3
  • 3 total stops
  • 65h 45m total
  • San Francisco Bay Area to Cardiff
Search Deals

Find flight deals from San Francisco Bay Area to Cardiff

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 18 setembro 2025.

seg 29/1213:55SFO - CWL
1 stop19h 00mKLM
ter 6/110:20CWL - SFO
1 stop33h 30mKLM
Deal found 17/9£746
seg 29/1210:23SFO - CWL
2 stops22h 32mDelta
ter 6/110:20CWL - SFO
2 stops20h 27mDelta
Deal found 18/9£815
qui 18/912:40SFO - CWL
2 stops20h 05mDelta
qui 25/909:50CWL - SFO
2 stops21h 39mDelta
Deal found 17/9£841
qui 18/913:45SFO - CWL
1 stop35h 25mKLM
qui 25/909:50CWL - SFO
2 stops18h 15mKLM
Deal found 17/9£965
qui 18/908:40SFO - CWL
2 stops26h 35mMultiple Airlines
qui 25/907:55CWL - SFO
3 stops33h 35mMultiple Airlines
Deal found 17/9£1,092
seg 29/906:35SJC - CWL
3 stops25h 20mMultiple Airlines
qui 2/1007:55CWL - SJC
3 stops39h 26mMultiple Airlines
Deal found 16/9£1,207
seg 29/913:31SJC - CWL
2 stops19h 14mDelta
qui 2/1009:50CWL - SJC
2 stops21h 00mDelta
Deal found 16/9£1,501

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 18 setembro 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

qua 25/2

00:40-16:55

2 stops32h 15m

Cardiff Wales

seg 2/3

10:20-11:50

1 stop33h 30m

£587

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

qui 26/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

seg 2/3

17:15-11:50

1 stop26h 35m

£592

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

qui 26/2

07:15-09:50

2 stops42h 35m

Cardiff Wales

seg 2/3

10:20-16:31

2 stops38h 11m

£595

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

qui 26/2

07:15-16:55

2 stops25h 40m

Cardiff Wales

seg 2/3

17:15-21:32

2 stops36h 17m

£615

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

qui 26/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

seg 2/3

17:15-11:50

1 stop26h 35m

£643

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

seg 29/9

06:35-15:55

3 stops25h 20m

Cardiff Wales

qui 2/10

07:55-15:21

3 stops39h 26m

£1,207

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

seg 29/9

13:31-16:45

2 stops19h 14m

Cardiff Wales

qui 2/10

09:50-22:50

2 stops21h 00m

£1,501

Flights are sorted by cheapest return flights first.

Deals found on 17/9

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 18 setembro 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
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 Virgin Atlantic 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.

  • What is the cheapest month to book a flight from San Francisco Bay Area to Cardiff?

    Currently, July is the cheapest month in which you can book a flight from San Francisco Bay Area to Cardiff (average of £169). Flying from San Francisco Bay Area to Cardiff in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cardiff?

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

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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 18 setembro 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£597Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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.

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