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Cheap flights from Cardiff to Fremont from £304

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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SFO
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Fremont

Enter your travel dates to find the best prices.

Best flights from Cardiff to Fremont
Discover carefully curated flight deals from Cardiff to Fremont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 December 2025.

Wed 11/210:20CWL - SFO
1 stop33h 30mKLM
Wed 18/213:55SFO - CWL
1 stop19h 00mKLM
Deal found 28/12£524
Fri 13/210:20CWL - SFO
2 stops21h 05mDelta
Fri 20/210:20SFO - CWL
2 stops22h 35mDelta
Deal found 29/12£528
Sat 30/512:00CWL - SFO
2 stops33h 50mBritish Airways
Fri 12/616:35SFO - CWL
2 stops34h 55mBritish Airways
Deal found 28/12£667
Sat 30/517:35CWL - SFO
1 stop26h 10mAir France
Fri 12/613:45SFO - CWL
1 stop19h 20mAir France
Deal found 28/12£696
Sat 30/517:35CWL - SFO
1 stop26h 10mVirgin Atlantic
Fri 12/613:45SFO - CWL
1 stop35h 30mVirgin Atlantic
Deal found 29/12£749
Wed 11/210:20CWL - SFO
2 stops21h 05mDelta
Wed 18/207:00SFO - CWL
2 stops18h 50mDelta
Deal found 28/12£528
Fri 13/217:15CWL - SFO
1 stop26h 35mKLM
Fri 20/213:55SFO - CWL
1 stop19h 00mKLM
Deal found 29/12£547
Sat 30/509:45CWL - SFO
2 stops21h 22mKLM
Fri 12/613:45SFO - CWL
1 stop35h 30mKLM
Deal found 28/12£748

Find flight deals from Cardiff to Fremont

Keep the following information in mind while searching for Cardiff to Fremont flight deals. Data was last updated 30 December 2025.

Round-trip from

£524

One-way from

£304
KLM
  • KLM
  • 11/2-18/2
  • 2 total stops
  • 52h 30m total
  • Cardiff to Fremont
Search Deals
19/1
  • 19/1
  • 3 total stops
  • 47h 00m total
  • Cardiff to Fremont
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Fremont 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 30 December 2025.
Use the filters below to find and compare flights from Cardiff to Fremont that are best for you.

Fly from

Cardiff

Fly to

Fremont

Route

Depart

Return

Price

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Wed 11/2

10:20-11:50

1 stop33h 30m

San Francisco

Wed 18/2

13:55-16:55

1 stop19h 00m

£524

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Fri 13/2

10:20-23:25

2 stops21h 05m

San Francisco

Fri 20/2

10:20-16:55

2 stops22h 35m

£528

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Wed 11/2

10:20-23:25

2 stops21h 05m

San Francisco

Wed 18/2

07:00-09:50

2 stops18h 50m

£528

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Fri 13/2

17:15-11:50

1 stop26h 35m

San Francisco

Fri 20/2

13:55-16:55

1 stop19h 00m

£547

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 30/5

12:00-13:50

2 stops33h 50m

San Francisco

Fri 12/6

16:35-11:30

2 stops34h 55m

£667

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 30/5

17:35-11:45

1 stop26h 10m

San Francisco

Fri 12/6

13:45-17:05

1 stop19h 20m

£696

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 30/5

09:45-23:07

2 stops21h 22m

San Francisco

Fri 12/6

13:45-09:15

1 stop35h 30m

£748

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 30/5

17:35-11:45

1 stop26h 10m

San Francisco

Fri 12/6

13:45-09:15

1 stop35h 30m

£749

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Mon 19/1

23:30-14:30

3 stops47h 00m

£304

CardiffSan Francisco

CWL - SFO

CWLSFO

Cardiff Wales

Sat 20/6

12:00-15:45

3 stops59h 45m

£2,240

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 11 results
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Best time to book a flight from Cardiff to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont 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 Fremont

What is the cheapest month to book a flight from Cardiff to Fremont?

Currently, February is the cheapest month in which you can book a flight from Cardiff to Fremont (average of £423). Flying from Cardiff to Fremont in June is currently the most expensive (average of £710). 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.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Fremont. 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 Fremont?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to Fremont. On average, Cardiff Wales has 0 outbound flights to Fremont per day from 0 airlines. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • How long is the flight from Cardiff to Fremont?

    There are many flights that can get you from Cardiff to Fremont in 21h 05m. Fly via KLM or Delta to get the fastest option. The distance between Cardiff and Fremont is about 5267 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cardiff to Fremont that include hotel bookings?

    Yes. In addition to deals on Cardiff to Fremont flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Fremont?

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

  • Can I find deals for business class flights from Cardiff to Fremont?

    Yes. Cheapflights offers flight deals from Cardiff to Fremont 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 Fremont?

    Currently, February is the cheapest month in which you can book a flight from Cardiff to Fremont (average of £423). Flying from Cardiff to Fremont in June is currently the most expensive (average of £710). 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Fremont?

When you search for this flight from Cardiff to Fremont, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Fremont?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to Fremont.

Can Cheapflights find flights from Cardiff to Fremont with no change fees?

Yes! Cheapflights helps users easily find flights from Cardiff to Fremont with no change fees.

Can Cheapflights notify me if prices for flights from Cardiff to Fremont become cheaper?

Yes, Cheapflights offers price alerts on Cardiff to Fremont 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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