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Cheap flights from San Francisco Bay Area to Cardiff from £591

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
17 jan — 24 jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 dezembro 2025.

seg 29/1213:55SFO - CWL
1 stop19h 00mKLM
ter 6/117:25CWL - SFO
2 stops32h 24mKLM
Deal found 16/12£779
seg 29/1209:05SJC - CWL
2 stops23h 50mDelta
qui 1/110:20CWL - SJC
2 stops32h 54mDelta
Deal found 15/12£1,625

Find 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 dezembro 2025.

Round-trip from

£591
Delta
  • Delta
  • 17/2-27/2
  • 3 total stops
  • 37h 51m 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 18 dezembro 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

ter 17/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

sex 27/2

10:20-21:11

2 stops18h 51m

£591

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

seg 20/4

13:59-16:45

2 stops18h 46m

Cardiff Wales

sex 1/5

09:45-22:31

2 stops20h 46m

£598

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

ter 17/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

sex 27/2

17:15-11:50

1 stop26h 35m

£606

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

sáb 31/1

22:45-09:50

2 stops27h 05m

Cardiff Wales

sáb 7/2

17:25-16:02

2 stops30h 37m

£616

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

seg 20/4

13:45-09:15

1 stop35h 30m

Cardiff Wales

sex 1/5

09:45-11:45

1 stop34h 00m

£716

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

seg 29/12

13:55-16:55

1 stop19h 00m

Cardiff Wales

ter 6/1

17:25-17:49

2 stops32h 24m

£779

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

seg 5/1

15:40-16:55

2 stops17h 15m

Cardiff Wales

sáb 10/1

10:20-20:58

2 stops18h 38m

£1,421

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

seg 29/12

09:05-16:55

2 stops23h 50m

Cardiff Wales

qui 1/1

10:20-11:14

2 stops32h 54m

£1,625

Flights are sorted by cheapest return flights first.

Deals found on 18/12

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 dezembro 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
1,428 reviews
Check prices

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,428 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Entertainment

7.1

Food

7.2

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 18h 46m. Fly via Delta, Air France, 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 Francisco - Cardiff Wales or Oakland - Cardiff Wales, San Jose - 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

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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 dezembro 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£574Average£616FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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.

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