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Cheap flights from San Francisco Bay Area to Cardiff from £648

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
22 Jun — 29 Jun1
1 adult

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 17 June 2025.

Round-trip from

£648
Air France
  • Air France
  • 30/7-6/8
  • 3 total stops
  • 38h 37m 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 17 June 2025.

Wed 30/713:45SFO - CWL
1 stop19h 00mAir France
Wed 6/809:50CWL - SFO
2 stops19h 37mAir France
Deal found 14/6£648
Wed 30/713:45SFO - CWL
2 stops19h 00mMultiple Airlines
Wed 6/809:50CWL - SFO
2 stops19h 37mMultiple Airlines
Deal found 14/6£651
Fri 22/806:00SFO - CWL
2 stops19h 15mDelta
Sun 31/809:50CWL - SFO
2 stops19h 39mDelta
Deal found 14/6£660
Wed 30/713:45SFO - CWL
1 stop35h 30mKLM
Wed 6/817:15CWL - SFO
1 stop26h 30mKLM
Deal found 14/6£706
Sat 4/1006:00SFO - CWL
2 stops19h 15mVirgin Atlantic
Fri 10/1017:15CWL - SFO
1 stop26h 30mVirgin Atlantic
Deal found 16/6£726
Thu 19/613:32SJC - CWL
2 stops19h 13mKLM
Sun 22/610:00CWL - SJC
2 stops18h 33mKLM
Deal found 16/6£1,043
Mon 30/606:00SJC - CWL
3 stops25h 55mMultiple Airlines
Thu 3/707:55CWL - SJC
3 stops34h 11mMultiple Airlines
Deal found 16/6£1,269
Sun 22/622:25SJC - CWL
2 stops26h 50mDelta
Wed 25/610:05CWL - SJC
2 stops18h 28mDelta
Deal found 15/6£2,074

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 17 June 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

Wed 30/7

13:45-16:45

1 stop19h 00m

Cardiff Wales

Wed 6/8

09:50-21:27

2 stops19h 37m

£648

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 30/7

13:45-16:45

2 stops19h 00m

Cardiff Wales

Wed 6/8

09:50-21:27

2 stops19h 37m

£651

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 22/8

06:00-09:15

2 stops19h 15m

Cardiff Wales

Sun 31/8

09:50-21:29

2 stops19h 39m

£660

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 30/7

13:45-09:15

1 stop35h 30m

Cardiff Wales

Wed 6/8

17:15-11:45

1 stop26h 30m

£706

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 4/10

06:00-09:15

2 stops19h 15m

Cardiff Wales

Fri 10/10

17:15-11:45

1 stop26h 30m

£726

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Fri 27/6

06:35-09:15

2 stops18h 40m

Cardiff Wales

Mon 30/6

09:50-22:55

2 stops21h 05m

£1,043

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 30/6

06:00-15:55

3 stops25h 55m

Cardiff Wales

Thu 3/7

07:55-10:06

3 stops34h 11m

£1,269

Flights are sorted by cheapest return flights first.

Deals found on 14/6

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

Rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

Temperature in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 17 June 2025.
Read through reviews of airlines operating flights from San Francisco Bay Area to Cardiff, such as Delta, KLM and Air France. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,963 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,963 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,466 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
653 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 San Francisco Bay Area?

Book flights to San Francisco Bay Area if you plan to visit one of these locations
Barry
Bridgend

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