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Cheap flights from San Francisco Bay Area to Cardiff from £580

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
27 Feb — 6 Mar1
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 28 January 2026.

Tue 24/213:55
SFO
-
CWL
1 stop19h 00m
Delta
Tue 3/310:20
CWL
-
SFO
2 stops20h 41m
Delta
Deal found 27/1£580
Wed 22/413:45
SFO
-
CWL
1 stop19h 00m
KLM
Thu 30/417:15
CWL
-
SFO
1 stop26h 30m
KLM
Deal found 26/1£581
Wed 22/411:00
SFO
-
CWL
2 stops21h 45m
Delta
Thu 30/409:45
CWL
-
SFO
2 stops22h 42m
Delta
Deal found 26/1£591
Fri 13/315:40
SFO
-
CWL
2 stops21h 00m
Multiple Airlines
Fri 20/322:25
CWL
-
SFO
2 stops22h 15m
Multiple Airlines
Deal found 27/1£736
Tue 21/416:35
SFO
-
CWL
2 stops34h 55m
Aer Lingus
Sat 25/412:00
CWL
-
SFO
2 stops33h 50m
Aer Lingus
Deal found 26/1£802
Tue 21/417:35
SFO
-
CWL
1 stop21h 50m
Multiple Airlines
Sat 25/409:25
CWL
-
SFO
1 stop14h 25m
Multiple Airlines
Deal found 26/1£836
Mon 9/206:20
SJC
-
CWL
2 stops26h 35m
Delta
Thu 12/210:20
CWL
-
SJC
2 stops37h 42m
Delta
Deal found 27/1£858
Thu 12/309:15
SJC
-
CWL
2 stops24h 30m
Delta
Thu 19/310:20
CWL
-
SJC
2 stops32h 48m
Delta
Deal found 26/1£892
Wed 22/413:20
SFO
-
CWL
3 stops25h 05m
Multiple Airlines
Thu 30/422:50
CWL
-
SFO
2 stops26h 00m
Multiple Airlines
Deal found 26/1£893
Tue 21/405:50
SFO
-
CWL
2 stops19h 25m
KLM
Sat 25/417:35
CWL
-
SFO
1 stop26h 10m
KLM
Deal found 26/1£895
Fri 13/314:55
SFO
-
CWL
1 stop19h 00m
Virgin Atlantic
Fri 20/317:15
CWL
-
SFO
1 stop26h 35m
Virgin Atlantic
Deal found 27/1£902

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 28 January 2026.

Round-trip from

£580
Delta
  • Delta
  • 24/2-3/3
  • 3 total stops
  • 39h 41m 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 28 January 2026.
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 24/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 3/3

10:20-23:01

2 stops20h 41m

£580

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 22/4

13:45-16:45

1 stop19h 00m

Cardiff Wales

Thu 30/4

17:15-11:45

1 stop26h 30m

£581

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 22/4

11:00-16:45

2 stops21h 45m

Cardiff Wales

Thu 30/4

09:45-00:27

2 stops22h 42m

£591

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 21/4

16:35-11:30

2 stops34h 55m

Cardiff Wales

Sat 25/4

12:00-13:50

2 stops33h 50m

£802

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 9/2

06:20-16:55

2 stops26h 35m

Cardiff Wales

Thu 12/2

10:20-16:02

2 stops37h 42m

£858

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Thu 12/3

09:15-16:45

2 stops24h 30m

Cardiff Wales

Thu 19/3

10:20-12:08

2 stops32h 48m

£892

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 22/4

13:20-22:25

3 stops25h 05m

Cardiff Wales

Thu 30/4

22:50-16:50

2 stops26h 00m

£893

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 21/4

05:50-09:15

2 stops19h 25m

Cardiff Wales

Sat 25/4

17:35-11:45

1 stop26h 10m

£895

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 13/3

18:20-19:40

1 stop18h 20m

Cardiff Wales

Fri 20/3

22:25-16:35

1 stop25h 10m

£966

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 24/2

17:20-15:30

1 stop14h 10m

Cardiff Wales

Tue 3/3

16:45-15:35

2 stops30h 50m

£1,009

Flights are sorted by cheapest return flights first.

Deals found on 27/1

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 28 January 2026.
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
1,443 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Overall

7.7

Food

7.3

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • 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

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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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£559Average£600FlexibilityNo cancel feeOn-time75%
Search KLM flights

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

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

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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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