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Cheap flights from San Francisco Bay Area to Cardiff from £236

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
2 May — 9 May1
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 2 April 2026.

Mon 1/606:00
SFO
-
CWL
2 stops20h 15m
Multiple Airlines
Mon 8/611:35
CWL
-
SFO
1 stop32h 45m
Multiple Airlines
Deal found 1/4£780
Sun 1/1113:50
SFO
-
CWL
1 stop18h 55m
Scandinavian Airlines
Mon 9/1110:20
CWL
-
SFO
1 stop33h 30m
Scandinavian Airlines
Deal found 1/4£795
Sun 1/1121:00
SFO
-
CWL
2 stops28h 50m
Multiple Airlines
Mon 9/1110:20
CWL
-
SFO
1 stop33h 30m
Multiple Airlines
Deal found 1/4£798
Mon 1/606:00
SFO
-
CWL
3 stops20h 15m
WestJet
Mon 8/611:35
CWL
-
SFO
2 stops32h 25m
WestJet
Deal found 1/4£799
Sun 3/517:40
SFO
-
CWL
1 stop20h 05m
Multiple Airlines
Fri 8/515:35
CWL
-
SFO
2 stops34h 00m
Multiple Airlines
Deal found 30/3£819
Sun 17/517:40
SFO
-
CWL
1 stop20h 05m
Multiple Airlines
Sun 24/521:45
CWL
-
SFO
2 stops26h 25m
Multiple Airlines
Deal found 2/4£853
Sun 17/513:45
SFO
-
CWL
1 stop35h 30m
KLM
Sun 24/509:50
CWL
-
SFO
1 stop33h 55m
KLM
Deal found 2/4£948
Mon 13/406:20
SJC
-
CWL
2 stops18h 55m
Delta
Thu 16/409:45
CWL
-
SJC
2 stops20h 00m
Delta
Deal found 31/3£1,098
Sat 11/413:25
SJC
-
CWL
2 stops19h 20m
KLM
Tue 14/417:15
CWL
-
SJC
2 stops33h 52m
KLM
Deal found 28/3£1,411

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 2 April 2026.

Round-trip from

£780

One-way from

£236
1/6-8/6
  • 1/6-8/6
  • 3 total stops
  • 53h 00m total
  • San Francisco Bay Area to Cardiff
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 55h 30m 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 2 April 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 1/6

06:00-10:15

2 stops20h 15m

Cardiff Wales

Mon 8/6

11:35-12:20

1 stop32h 45m

£780

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 1/6

06:00-10:15

3 stops20h 15m

Cardiff Wales

Mon 8/6

11:35-12:00

2 stops32h 25m

£799

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 17/5

17:40-21:45

1 stop20h 05m

Cardiff Wales

Sun 24/5

21:45-16:10

2 stops26h 25m

£853

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 3/5

17:40-21:45

1 stop20h 05m

Cardiff Wales

Fri 8/5

22:45-15:55

1 stop25h 10m

£892

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 17/5

13:45-09:15

1 stop35h 30m

Cardiff Wales

Sun 24/5

09:50-11:45

1 stop33h 55m

£948

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 17/5

09:30-16:45

2 stops23h 15m

Cardiff Wales

Sun 24/5

09:50-22:49

2 stops20h 59m

£1,059
Fastest return journey

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Mon 13/4

06:20-09:15

2 stops18h 55m

Cardiff Wales

Thu 16/4

09:45-21:45

2 stops20h 00m

£1,098
Cheapest one-way

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 3/6

06:00-10:15

3 stops20h 15m

£299
Fastest single journey

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 26/4

17:00-16:45

2 stops15h 45m

£432

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 27/4

14:00-16:45

2 stops18h 45m

£432

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 13 resultsSorted by cheapest first
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 2 April 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
7.8
Good
1,482 reviews
Check prices

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,482 reviews
KLM
7.8
Good
1,482 reviews
Check prices

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 18h 55m. Fly via WestJet or Delta to get the fastest option. The distance between San Francisco Bay Area and Cardiff is about 5268 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

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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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£577Average£620FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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