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Cheap flights from San Francisco to Cardiff from £722

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Cardiff
Explore the most affordable flight options available from San Francisco to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Sun 5/717:40
SFO
-
CWL
1 stop20h 05m
Multiple Airlines
Tue 14/711:35
CWL
-
SFO
2 stops42h 20m
Multiple Airlines
Deal found 13/4£722
Mon 8/606:00
SFO
-
CWL
2 stops20h 15m
Multiple Airlines
Mon 15/611:35
CWL
-
SFO
1 stop32h 45m
Multiple Airlines
Deal found 15/4£728
Mon 8/606:00
SFO
-
CWL
2 stops20h 15m
WestJet
Mon 15/611:35
CWL
-
SFO
2 stops32h 25m
WestJet
Deal found 15/4£735
Tue 7/713:20
SFO
-
CWL
1 stop36h 55m
Multiple Airlines
Tue 14/711:35
CWL
-
SFO
1 stop32h 45m
Multiple Airlines
Deal found 13/4£773
Sun 14/622:58
SFO
-
CWL
2 stops27h 17m
Multiple Airlines
Sat 20/611:35
CWL
-
SFO
1 stop32h 45m
Multiple Airlines
Deal found 13/4£778
Thu 28/513:20
SFO
-
CWL
1 stop36h 55m
Multiple Airlines
Thu 4/611:35
CWL
-
SFO
1 stop32h 45m
Multiple Airlines
Deal found 13/4£786
Sun 5/717:40
SFO
-
CWL
1 stop20h 05m
Multiple Airlines
Mon 13/722:10
CWL
-
SFO
2 stops31h 45m
Multiple Airlines
Deal found 13/4£841
Wed 8/717:40
SFO
-
CWL
1 stop20h 45m
Multiple Airlines
Tue 14/711:35
CWL
-
SFO
2 stops18h 10m
Multiple Airlines
Deal found 13/4£852

Find flight deals from San Francisco to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 April 2026.

Round-trip from

£722
WestJet
  • WestJet
  • 5/7-14/7
  • 3 total stops
  • 62h 25m total
  • San Francisco to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco 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 April 2026.
Use the filters below to find and compare flights from San Francisco 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

Sun 5/7

17:40-21:45

1 stop20h 05m

Cardiff Wales

Tue 14/7

11:35-21:55

2 stops42h 20m

£722

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 8/6

06:00-10:15

2 stops20h 15m

Cardiff Wales

Mon 15/6

11:35-12:20

1 stop32h 45m

£728

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 8/6

06:00-10:15

2 stops20h 15m

Cardiff Wales

Mon 15/6

11:35-12:00

2 stops32h 25m

£735

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 7/7

18:05-10:15

2 stops32h 10m

Cardiff Wales

Tue 14/7

11:35-12:20

1 stop32h 45m

£735

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 28/5

20:44-10:15

2 stops29h 31m

Cardiff Wales

Thu 4/6

11:35-12:20

1 stop32h 45m

£880

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 8/7

14:19-09:15

2 stops34h 56m

Cardiff Wales

Mon 13/7

09:45-20:19

2 stops42h 34m

£971

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 6/7

10:35-16:45

2 stops22h 10m

Cardiff Wales

Mon 13/7

09:45-20:19

2 stops42h 34m

£971

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 30/5

06:00-10:15

2 stops44h 15m

Cardiff Wales

Sat 6/6

11:35-21:55

2 stops42h 20m

£982

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 30/5

06:00-10:15

2 stops44h 15m

Cardiff Wales

Sat 6/6

11:35-10:20

3 stops30h 45m

£1,015
Fastest return journey

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 10/7

10:35-17:05

2 stops22h 30m

Cardiff Wales

Mon 13/7

09:45-23:58

2 stops22h 13m

£1,207

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Sorted by cheapest first

Best time to book a flight from San Francisco to Cardiff

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

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Cardiff?

    Airlines like WestJet fly from San Francisco to Cardiff in about 20h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5267 mi.

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

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

  • How can I find direct flights from San Francisco 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 to Cardiff.

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

    Yes. Cheapflights offers flight deals from San Francisco 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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Cardiff from San Francisco.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Cardiff flexibly with Cheapflights today.

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

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