How long is the flight from San Francisco to Cardiff?

Airlines like Virgin Atlantic and Delta fly from San Francisco to Cardiff in about 18h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5267 mi.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from SFO to CWL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Cardiff as you normally would.

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.

£215+ Flights from San Francisco to Cardiff

Find 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 15 October 2025.

Thu 27/1113:55SFO - CWL

1 stop18h 50mVirgin Atlantic

Thu 4/1217:25CWL - SFO

1 stop26h 25mVirgin Atlantic

Deal found 12/10£604

Thu 27/1110:30SFO - CWL

2 stops22h 15mDelta

Thu 4/1210:20CWL - SFO

2 stops21h 02mDelta

Deal found 12/10£615

Mon 29/1213:55SFO - CWL

1 stop19h 00mKLM

Tue 6/117:25CWL - SFO

1 stop26h 25mKLM

Deal found 15/10£722

Thu 27/1116:40SFO - CWL

2 stops21h 20mMultiple Airlines

Thu 4/1210:30CWL - SFO

3 stops32h 24mMultiple Airlines

Deal found 12/10£811

Sun 19/1019:30SFO - CWL

3 stops32h 00mMultiple Airlines

Tue 21/1020:20CWL - SFO

2 stops26h 15mMultiple Airlines

Deal found 15/10£990

Best flights from San Francisco to Cardiff
Discover carefully curated flight deals from San Francisco to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.

Thu 27/1113:55SFO - CWL

1 stop18h 50mVirgin Atlantic

Thu 4/1217:25CWL - SFO

1 stop26h 25mVirgin Atlantic

Deal found 12/10£604

Thu 26/213:55SFO - CWL

1 stop18h 50mDelta

Mon 2/310:20CWL - SFO

1 stop33h 30mDelta

Deal found 12/10£611

Fri 6/213:55SFO - CWL

1 stop19h 00mDelta

Tue 10/210:20CWL - SFO

1 stop33h 30mDelta

Deal found 14/10£611

Thu 27/1110:30SFO - CWL

2 stops22h 15mDelta

Thu 4/1210:20CWL - SFO

2 stops21h 02mDelta

Deal found 12/10£615

Last-minute flights from San Francisco to Cardiff
Discover last-minute flight deals from San Francisco to Cardiff. Data last updated 15 October 2025 and is based on user searches.

Sun 19/1019:30SFO - CWL

3 stops32h 00mMultiple Airlines

Tue 21/1020:20CWL - SFO

2 stops26h 15mMultiple Airlines

Deal found 15/10£990

Thu 27/1113:55SFO - CWL

1 stop18h 50mVirgin Atlantic

Thu 4/1217:25CWL - SFO

1 stop26h 25mVirgin Atlantic

Deal found 12/10£604

Thu 27/1110:30SFO - CWL

2 stops22h 15mDelta

Thu 4/1210:20CWL - SFO

2 stops21h 02mDelta

Deal found 12/10£615

Thu 27/1116:40SFO - CWL

2 stops21h 20mMultiple Airlines

Thu 4/1210:30CWL - SFO

3 stops32h 24mMultiple Airlines

Deal found 12/10£811

One-way flights from San Francisco to Cardiff
Search for one-way flight options from San Francisco to Cardiff. Find affordable one-way fares based on user searches. Data last updated 15 October 2025.

Mon 20/1007:30SFO - CWL

2 stops24h 25mMultiple Airlines

Deal found 14/10£215

Mon 20/1013:45SFO - CWL

1 stop19h 00mKLM

Deal found 14/10£358

Thu 19/320:55SFO - CWL

2 stops18h 05mMultiple Airlines

Deal found 12/10£379

Thu 19/314:55SFO - CWL

1 stop18h 50mKLM

Deal found 12/10£659

Cheap flight deals from San Francisco to Cardiff

Round-trip from	£604
One-way from	£215

Virgin Atlantic
27/11-4/12
2 total stops
45h 15m total
San Francisco to Cardiff

Search Deals

20/10
2 total stops
24h 25m total
San Francisco to Cardiff

Search Deals

Cheapflights Fare Finder

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

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 27/11

13:55-16:45

1 stop18h 50m

Cardiff Wales

Thu 4/12

17:25-11:50

1 stop26h 25m

£604

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 26/2

13:55-16:45

1 stop18h 50m

Cardiff Wales

Mon 2/3

10:20-11:50

1 stop33h 30m

£611

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 6/2

13:55-16:55

1 stop19h 00m

Cardiff Wales

Tue 10/2

10:20-11:50

1 stop33h 30m

£611

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 27/11

10:30-16:45

2 stops22h 15m

Cardiff Wales

Thu 4/12

10:20-23:22

2 stops21h 02m

£615

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 20/10

07:30-15:55

2 stops24h 25m

£215

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Mon 20/10

13:45-16:45

1 stop19h 00m

£358

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 19/3

20:55-22:00

2 stops18h 05m

£379

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Thu 19/3

14:55-16:45

1 stop18h 50m

£659

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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

How long is the flight from San Francisco to Cardiff?
Airlines like Virgin Atlantic and Delta fly from San Francisco to Cardiff in about 18h 50m. 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.

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When you search for this flight from San Francisco to Cardiff, 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 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.

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Cheap flights from San Francisco to Cardiff from £215

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from San Francisco to Cardiff

Cheapest flights from San Francisco to CardiffExplore 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 15 October 2025.

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 15 October 2025.

Cheap flight deals from San Francisco to Cardiff

Round-trip from

One-way from

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Use the filters below to find and compare flights from San Francisco to Cardiff that are best for you.

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.

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?

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

How can I find direct flights from San Francisco to Cardiff?

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

Travelling to a place near Cardiff?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.

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 San Francisco to Cardiff?

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

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

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

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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 15 October 2025.