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Cheap flights from San Francisco Bay Area to Cardiff from £297

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
15 Apr — 22 Apr1
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 10 April 2025.

Round-trip from

£712

One-way from

£297
KLM
  • KLM
  • 15/5-18/5
  • 2 total stops
  • 61h 55m total
  • San Francisco Bay Area to Cardiff
Search Deals
14/7
  • 14/7
  • 3 total stops
  • 41h 55m 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 10 April 2025.

Thu 15/513:45SFO - CWL
1 stop35h 25mKLM
Sun 18/517:15CWL - SFO
1 stop26h 30mKLM
Deal found 9/4£712
Thu 15/513:45SFO - CWL
1 stop19h 00mDelta
Sun 18/509:50CWL - SFO
2 stops23h 49mDelta
Deal found 9/4£744
Fri 23/507:30SFO - CWL
3 stops44h 00mMultiple Airlines
Tue 27/516:20CWL - SFO
3 stops38h 51mMultiple Airlines
Deal found 9/4£802
Sun 25/514:20SJC - CWL
2 stops34h 55mVirgin Atlantic
Sun 1/617:15CWL - SJC
2 stops34h 10mVirgin Atlantic
Deal found 10/4£832
Sun 18/514:10SJC - CWL
2 stops18h 35mKLM
Sun 25/517:15CWL - SJC
2 stops37h 45mKLM
Deal found 9/4£906
Fri 23/513:05SFO - CWL
2 stops35h 20mAer Lingus
Tue 27/512:00CWL - SFO
2 stops33h 50mAer Lingus
Deal found 9/4£923
Fri 23/513:45SFO - CWL
1 stop19h 20mAir France
Tue 27/509:50CWL - SFO
2 stops18h 57mAir France
Deal found 9/4£930
Sun 25/506:25SJC - CWL
2 stops18h 50mMultiple Airlines
Sun 1/617:15CWL - SJC
3 stops30h 57mMultiple Airlines
Deal found 10/4£1,290
Sat 24/505:45OAK - CWL
3 stops20h 50mMultiple Airlines
Sat 31/509:00CWL - OAK
3 stops39h 28mMultiple Airlines
Deal found 8/4£1,487
Sat 24/506:00OAK - CWL
2 stops26h 45mDelta
Sat 31/509:45CWL - OAK
2 stops20h 45mDelta
Deal found 8/4£1,872

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 10 April 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

Thu 15/5

13:45-09:10

1 stop35h 25m

Cardiff Wales

Sun 18/5

17:15-11:45

1 stop26h 30m

£712

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 15/5

13:45-16:45

1 stop19h 00m

Cardiff Wales

Sun 18/5

09:50-01:39

2 stops23h 49m

£744

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 23/5

07:30-11:30

3 stops44h 00m

Cardiff Wales

Tue 27/5

16:20-23:11

3 stops38h 51m

£802

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sun 25/5

14:20-09:15

2 stops34h 55m

Cardiff Wales

Sun 1/6

17:15-19:25

2 stops34h 10m

£832

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sun 18/5

14:10-16:45

2 stops18h 35m

Cardiff Wales

Sun 25/5

17:15-23:00

2 stops37h 45m

£906

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 23/5

13:05-08:25

2 stops35h 20m

Cardiff Wales

Tue 27/5

12:00-13:50

2 stops33h 50m

£923

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 23/5

13:45-17:05

1 stop19h 20m

Cardiff Wales

Tue 27/5

09:50-20:47

2 stops18h 57m

£930

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Sun 25/5

06:25-09:15

2 stops18h 50m

Cardiff Wales

Sun 1/6

17:15-16:12

3 stops30h 57m

£1,290

OaklandCardiff

OAK - CWL

OAKCWL

Oakland

Sat 24/5

05:45-10:35

3 stops20h 50m

Cardiff Wales

Sat 31/5

09:00-16:28

3 stops39h 28m

£1,487

OaklandCardiff

OAK - CWL

OAKCWL

Oakland

Sat 24/5

06:00-16:45

2 stops26h 45m

Cardiff Wales

Sat 31/5

09:45-22:30

2 stops20h 45m

£1,872

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 15 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

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 10 April 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
7,907 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

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
7,907 reviews
Delta
8.0
Very Good
7,907 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

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
1,321 reviews
Delta
8.0
Very Good
7,907 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

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
7.4
Good
1,428 reviews
Delta
8.0
Very Good
7,907 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

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
641 reviews
Delta
8.0
Very Good
7,907 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

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.
Aer Lingus
7.0
Good
1,060 reviews
Delta
8.0
Very Good
7,907 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

8.0

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 cheapest airlines to fly from San Francisco Bay Area to Cardiff one-way?

    One-way options have recently been found by users for as low as £414 on KLM. Other airlines that offer cheap prices include Air France from £430 and Delta from £434 one-way.

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

    While some choose either Oakland - Cardiff Wales or San Jose - 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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