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Cheap flights from Cardiff to San Francisco Bay Area from £799

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SFO
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Cardiff to San Francisco Bay Area

Keep the following information in mind while searching for Cardiff to San Francisco Bay Area flight deals. Data was last updated 11 July 2025.

Round-trip from

£799
Virgin Atlantic
  • Virgin Atlantic
  • 23/8-30/8
  • 4 total stops
  • 88h 09m total
  • Cardiff to San Francisco Bay Area
Search Deals

Find flight deals from Cardiff to San Francisco Bay Area

Cheapest flights from Cardiff to San Francisco Bay Area
Explore the most affordable flight options available from Cardiff to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Sat 23/817:35CWL - SFO
2 stops35h 54mVirgin Atlantic
Sat 30/821:00SFO - CWL
2 stops52h 15mVirgin Atlantic
Deal found 9/7£799
Sat 23/817:35CWL - SFO
2 stops31h 57mMultiple Airlines
Sat 30/813:45SFO - CWL
1 stop35h 30mMultiple Airlines
Deal found 9/7£846
Sat 23/809:50CWL - SFO
1 stop33h 55mKLM
Sat 30/813:45SFO - CWL
1 stop35h 30mKLM
Deal found 9/7£944
Sat 23/809:50CWL - SFO
2 stops20h 35mDelta
Fri 29/800:35SFO - CWL
2 stops24h 40mDelta
Deal found 9/7£1,205

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to San Francisco Bay Area 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 11 July 2025.
Use the filters below to find and compare flights from Cardiff to San Francisco Bay Area that are best for you.

Fly from

Cardiff

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 23/8

17:35-21:29

2 stops35h 54m

San Francisco

Sat 30/8

21:00-09:15

2 stops52h 15m

£799

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 23/8

17:35-17:32

2 stops31h 57m

San Francisco

Sat 30/8

13:45-09:15

1 stop35h 30m

£846

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 23/8

09:50-11:45

1 stop33h 55m

San Francisco

Sat 30/8

13:45-09:15

1 stop35h 30m

£944

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 23/8

09:50-22:25

2 stops20h 35m

San Francisco

Fri 29/8

00:35-09:15

2 stops24h 40m

£1,205

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Best time to book a flight from Cardiff to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Cardiff 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 Cardiff to San Francisco Bay Area

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

Currently, February is the cheapest month in which you can book a flight from Cardiff to San Francisco Bay Area (average of £538). Flying from Cardiff to San Francisco Bay Area in July is currently the most expensive (average of £803). 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.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated 11 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Cardiff to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Cardiff to San Francisco Bay Area. 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 from for flights from Cardiff to San Francisco Bay Area?

    For a flight from Cardiff to San Francisco Bay Area, you will be flying from Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city.

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

    Most travelers choose Cardiff Wales - Oakland, Cardiff Wales - San Francisco or Cardiff Wales - San Jose when deciding on the best route from Cardiff to San Francisco Bay Area.

  • Can I find deals for flights from Cardiff to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Cardiff to San Francisco Bay Area flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to San Francisco Bay Area.

  • Can I find deals for business class flights from Cardiff to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Cardiff to San Francisco Bay Area 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 Cardiff to San Francisco Bay Area?

    Currently, February is the cheapest month in which you can book a flight from Cardiff to San Francisco Bay Area (average of £538). Flying from Cardiff to San Francisco Bay Area in July is currently the most expensive (average of £803). 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

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