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Cheap flights from San Francisco Bay Area to Cardiff from £259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to Cardiff departing on 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Francisco Bay Area to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:40 - 22:50
SFO
-
CWL
21h 10m
1 stop
Multiple Airlines Logo
11:35 - 16:40
CWL
-
SFO
37h 05m
2 stops
£686Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
Multiple Airlines Logo
17:40 - 22:50
SFO
-
CWL
21h 10m
1 stop
Multiple Airlines Logo
11:35 - 21:02
CWL
-
SFO
17h 27m
1 stop
£766Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
Delta Logo
08:55 - 16:45
SFO
-
CWL
23h 50m
2 stops
Delta Logo
09:45 - 21:47
CWL
-
SFO
20h 02m
2 stops
£782Delta
Tue, 25 Aug - Tue, 1 Sep
Air France Logo
14:00 - 16:45
SFO
-
CWL
18h 45m
2 stops
Air France Logo
17:15 - 11:45
CWL
-
SFO
26h 30m
1 stop
£813Air France
Mon, 24 Aug - Wed, 9 Sep
Delta Logo
13:45 - 16:45
SFO
-
CWL
19h 00m
1 stop
Delta Logo
09:45 - 11:45
CWL
-
SFO
34h 00m
1 stop
£815Delta
Mon, 24 Aug - Wed, 9 Sep
Multiple Airlines Logo
17:40 - 21:20
SFO
-
CWL
19h 40m
1 stop
Multiple Airlines Logo
07:30 - 15:55
CWL
-
SFO
16h 25m
1 stop
£822Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
Delta Logo
00:05 - 09:15
SFO
-
CWL
25h 10m
2 stops
Delta Logo
09:45 - 21:53
CWL
-
SFO
20h 08m
2 stops
£857Delta
Fri, 11 Sep - Sat, 19 Sep
KLM Logo
13:45 - 09:15
SFO
-
CWL
35h 30m
1 stop
KLM Logo
09:45 - 21:02
CWL
-
SFO
19h 17m
2 stops
£883KLM
Fri, 28 Aug - Fri, 4 Sep
Delta Logo
15:37 - 16:45
SFO
-
CWL
17h 08m
2 stops
Delta Logo
09:45 - 20:07
CWL
-
SFO
18h 22m
2 stops
£889Delta
Mon, 24 Aug - Wed, 9 Sep
KLM Logo
13:10 - 17:05
SJC
-
CWL
19h 55m
2 stops
KLM Logo
17:15 - 15:46
CWL
-
SJC
30h 31m
2 stops
£1,079KLM
Fri, 24 Jul - Mon, 27 Jul

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KLM flights from San Francisco Bay Area to Cardiff

Our best KLM deals on San Francisco Bay Area to Cardiff flight tickets
KLM
28 Aug
SFO13:45San Francisco
35h 30m
1 stop
CWL09:15Cardiff Wales
4 Sept
CWL09:45Cardiff Wales
19h 17m
2 stops
SFO21:02San Francisco
£883
KLM
24 Jul
SJC13:10San Jose
19h 55m
2 stops
CWL17:05Cardiff Wales
27 Jul
CWL17:15Cardiff Wales
30h 31m
2 stops
SJC15:46San Jose
£1,079
KLM
28 Jul
SJC06:35San Jose
18h 40m
2 stops
CWL09:15Cardiff Wales
31 Jul
CWL09:45Cardiff Wales
21h 03m
2 stops
SJC22:48San Jose
£1,169

WestJet flights from San Francisco Bay Area to Cardiff

Our best WestJet deals on San Francisco Bay Area to Cardiff flight tickets
WestJet
12 Aug
SFO06:00San Francisco
20h 15m
2 stops
CWL10:15Cardiff Wales
18 Aug
CWL11:35Cardiff Wales
56h 25m
2 stops
SFO12:00San Francisco
£1,036
WestJet
12 Aug
SFO06:00San Francisco
20h 15m
2 stops
CWL10:15Cardiff Wales
18 Aug
CWL11:35Cardiff Wales
42h 20m
2 stops
SFO21:55San Francisco
£1,078
WestJet
4 Aug
SFO18:05San Francisco
32h 10m
2 stops
CWL10:15Cardiff Wales
15 Aug
CWL11:35Cardiff Wales
61h 05m
2 stops
SFO16:40San Francisco
£1,115

momondo 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, momondo users made 279,928 searches. Data last updated 14 July 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

Tue 25/8

17:40-22:50

1 stop21h 10m

Cardiff Wales

Tue 1/9

11:35-16:40

2 stops37h 05m

£686

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 25/8

17:40-22:50

1 stop21h 10m

Cardiff Wales

Tue 1/9

11:35-21:02

1 stop17h 27m

£766

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 25/8

08:55-16:45

2 stops23h 50m

Cardiff Wales

Tue 1/9

09:45-21:47

2 stops20h 02m

£782

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 24/8

14:00-16:45

2 stops18h 45m

Cardiff Wales

Wed 9/9

17:15-11:45

1 stop26h 30m

£813

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 24/8

13:45-16:45

1 stop19h 00m

Cardiff Wales

Wed 9/9

09:45-11:45

1 stop34h 00m

£815

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 12/9

17:40-21:20

1 stop19h 40m

Cardiff Wales

Sat 19/9

07:30-15:55

1 stop16h 25m

£822

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 11/9

00:05-09:15

2 stops25h 10m

Cardiff Wales

Sat 19/9

09:45-21:53

2 stops20h 08m

£857

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 28/8

13:45-09:15

1 stop35h 30m

Cardiff Wales

Fri 4/9

09:45-21:02

2 stops19h 17m

£883
Fastest return journey

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 24/8

15:37-16:45

2 stops17h 08m

Cardiff Wales

Wed 9/9

09:45-20:07

2 stops18h 22m

£889

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Fri 24/7

13:10-17:05

2 stops19h 55m

Cardiff Wales

Mon 27/7

17:15-15:46

2 stops30h 31m

£1,079

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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How to get the cheapest flight ticket from San Francisco Bay Area to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on San Francisco Bay Area to Cardiff flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Cardiff.

Cheap San Francisco Bay Area to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Cardiff

Fastest flight time

20h 12m

Direct flights

None
The fastest flight from San Francisco Bay Area to Cardiff takes 20h 12m
There are no direct flights from San Francisco Bay Area to Cardiff. There are no popular flight routes from San Francisco Bay Area to Cardiff.
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Frequently asked questions about flying from San Francisco Bay Area to Cardiff

  • When did momondo last update prices for flights from San Francisco Bay Area to Cardiff Wales Airport?

    Prices for flights from San Francisco Bay Area to Cardiff Wales Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Bay Area to Cardiff Wales Airport?

  • How old do you have to be to fly from San Francisco Bay Area to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Bay Area to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco Bay Area to Cardiff?

Best airlines flying from San Francisco Bay Area to Cardiff

Compare and see reviews for airlines that fly from San Francisco Bay Area to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £584Free CancellationRating
7.8
1,538 reviews
Search KLM flights

Travelling to a place near Cardiff?

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

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to Cardiff?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco Bay Area to Cardiff . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco Bay Area to Cardiff with flexible booking policies on momondo?

Yes. All flights to Cardiff from San Francisco Bay Area on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco Bay Area to Cardiff?

Once you have performed a search for San Francisco Bay Area to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco Bay Area to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco Bay Area to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport