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Cheap flights from San Francisco Bay Area to Cardiff from £257

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 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
17:35 - 22:50
SFO
-
CWL
21h 15m
1 stop
Multiple Airlines Logo
22:10 - 16:20
CWL
-
SFO
26h 10m
2 stops
£748Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep
KLM Logo
13:45 - 09:15
SFO
-
CWL
35h 30m
1 stop
KLM Logo
17:15 - 11:45
CWL
-
SFO
26h 30m
1 stop
£749KLM
Mon, 14 Sep - Mon, 28 Sep
Virgin Atlantic Logo
10:31 - 16:45
SFO
-
CWL
22h 14m
2 stops
Virgin Atlantic Logo
17:15 - 16:03
CWL
-
SFO
30h 48m
2 stops
£760Virgin Atlantic
Mon, 14 Sep - Mon, 28 Sep
Multiple Airlines Logo
18:05 - 10:15
SFO
-
CWL
32h 10m
2 stops
Multiple Airlines Logo
11:35 - 12:20
CWL
-
SFO
32h 45m
1 stop
£828Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
16:30 - 10:15
SFO
-
CWL
33h 45m
3 stops
Multiple Airlines Logo
11:35 - 12:08
CWL
-
SFO
32h 33m
3 stops
£829Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
16:30 - 10:15
SFO
-
CWL
33h 45m
3 stops
Multiple Airlines Logo
11:35 - 21:02
CWL
-
SFO
17h 27m
1 stop
£854Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
13:20 - 10:15
SFO
-
CWL
36h 55m
1 stop
Multiple Airlines Logo
11:35 - 12:20
CWL
-
SFO
32h 45m
1 stop
£862Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
19:30 - 10:15
SFO
-
CWL
30h 45m
3 stops
Multiple Airlines Logo
11:35 - 12:08
CWL
-
SFO
32h 33m
2 stops
£875Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
06:00 - 22:50
SFO
-
CWL
32h 50m
3 stops
Multiple Airlines Logo
22:10 - 13:50
CWL
-
SFO
23h 40m
2 stops
£883Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep
Delta Logo
09:40 - 16:45
SJC
-
CWL
23h 05m
2 stops
Delta Logo
09:45 - 22:36
CWL
-
SJC
20h 51m
2 stops
£1,281Delta
Wed, 27 May - Sat, 30 May

KLM flights from San Francisco Bay Area to Cardiff

Our best KLM deals on San Francisco Bay Area to Cardiff flight tickets
KLM
14 Sept
SFO13:45San Francisco
35h 30m
1 stop
CWL09:15Cardiff Wales
28 Sept
CWL17:15Cardiff Wales
26h 30m
1 stop
SFO11:45San Francisco
£749
KLM
6 Jul
SFO14:23San Francisco
18h 22m
2 stops
CWL16:45Cardiff Wales
10 Jul
CWL09:45Cardiff Wales
22h 07m
2 stops
SFO23:52San Francisco
£1,238

WestJet flights from San Francisco Bay Area to Cardiff

Our best WestJet deals on San Francisco Bay Area to Cardiff flight tickets
WestJet
1 Jun
SFO06:00San Francisco
20h 15m
2 stops
CWL10:15Cardiff Wales
4 Jun
CWL11:35Cardiff Wales
42h 20m
2 stops
SFO21:55San Francisco
£1,335
WestJet
27 May
SFO06:00San Francisco
20h 15m
2 stops
CWL10:15Cardiff Wales
30 May
CWL11:35Cardiff Wales
32h 25m
2 stops
SFO12:00San Francisco
£2,099

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 15 May 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 14/9

17:35-22:50

1 stop21h 15m

Cardiff Wales

Mon 28/9

22:10-16:20

2 stops26h 10m

£748

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 14/9

13:45-09:15

1 stop35h 30m

Cardiff Wales

Mon 28/9

17:15-11:45

1 stop26h 30m

£749

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 14/9

10:31-16:45

2 stops22h 14m

Cardiff Wales

Mon 28/9

17:15-16:03

2 stops30h 48m

£760

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 11/6

18:05-10:15

2 stops32h 10m

Cardiff Wales

Thu 18/6

11:35-12:20

1 stop32h 45m

£828

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 11/6

16:30-10:15

3 stops33h 45m

Cardiff Wales

Thu 18/6

11:35-12:08

3 stops32h 33m

£829

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 11/6

16:30-10:15

3 stops33h 45m

Cardiff Wales

Thu 18/6

11:35-21:02

1 stop17h 27m

£854

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 11/6

13:20-10:15

1 stop36h 55m

Cardiff Wales

Thu 18/6

11:35-12:20

1 stop32h 45m

£862

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 11/6

19:30-10:15

3 stops30h 45m

Cardiff Wales

Thu 18/6

11:35-12:08

2 stops32h 33m

£875

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 14/9

06:00-22:50

3 stops32h 50m

Cardiff Wales

Mon 28/9

22:10-13:50

2 stops23h 40m

£883
Fastest return journey

San JoseCardiff

SJC - CWL

SJCCWL

San Jose

Wed 27/5

09:40-16:45

2 stops23h 05m

Cardiff Wales

Sat 30/5

09:45-22:36

2 stops20h 51m

£1,281

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Cardiff from

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

18h 55m

Direct flights

None
The fastest flight from San Francisco Bay Area to Cardiff takes 18h 55m
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 £569Free CancellationRating
7.8
1,517 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