Cheap flights from San Francisco (SFO) to Cardiff (CWL) from $703

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — CWL
Apr 23 — Apr 301

Cheap 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 April 18, 2024.

Popular in

June

Cheapest in

February

Average price

$861

Round-trip from

$708
High demand for flights, 53% potential price rise
Best time to find cheap flights, 57% potential price drop
Average for round-trip flights in April 2024
From San Francisco to Cardiff Wales

What is the cheapest day to fly round-trip from San Francisco to Cardiff?

Travelers have found that booking a Tuesday departure is the best way to save up to 72% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from San Francisco to Cardiff?

Our data shows that February tends to be the cheapest month to fly to Cardiff from San Francisco. Users have commonly found prices around $1,356 for the month, but tickets can be as low as $530. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from San Francisco to Cardiff (SFO - CWL)?

When flying from San Francisco to Cardiff, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight at noon.

Cheap KLM flights from San Francisco to Cardiff

Explore cheap flight options specifically provided by KLM for the route between San Francisco and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Find some of the cheapest KLM flights traveling from San Francisco to Cardiff. It's recommended that users confirm their flight details before booking.
Wed 5/151:50 pmSFO - CWL
1 stop18h 55mKLM
Wed 5/299:45 amCWL - SFO
2 stops21h 40mKLM
Deal found 4/17$984
Wed 5/157:15 amSFO - CWL
2 stops18h 00mKLM
Wed 5/299:45 amCWL - SFO
2 stops20h 05mKLM
Deal found 4/17$989
Wed 7/311:50 pmSFO - CWL
1 stop18h 55mKLM
Tue 8/69:45 amCWL - SFO
2 stops21h 48mKLM
Deal found 4/18$1,478

Cheap Delta flights from San Francisco to Cardiff

Explore cheap flight options specifically provided by Delta for the route between San Francisco and Cardiff. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from San Francisco to Cardiff. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 7/316:55 amSFO - CWL
2 stops18h 20mDelta
Tue 8/69:45 amCWL - SFO
2 stops21h 48mDelta
Deal found 4/18$1,239
Tue 7/3012:46 amSFO - CWL
2 stops24h 29mDelta
Tue 8/69:45 amCWL - SFO
2 stops21h 48mDelta
Deal found 4/18$1,293

Cheap San Francisco to Cardiff flights in April & May 2024

Find cheap flight options from San Francisco to Cardiff specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Prices were last updated on April 18, 2024.
The lowest fares we've come across on flights traveling from San Francisco to Cardiff in April and May 2024. Check back soon for alternative fares.
Sat 4/2010:45 pmSFO - CWL
2 stops26h 30mKLM
Sat 4/275:15 pmCWL - SFO
2 stops37h 30mKLM
Deal found 4/17$798
Sat 4/201:55 pmSFO - CWL
1 stop35h 20mKLM
Sat 4/275:15 pmCWL - SFO
2 stops37h 30mKLM
Deal found 4/17$876
Wed 5/151:50 pmSFO - CWL
1 stop18h 55mKLM
Wed 5/299:45 amCWL - SFO
2 stops21h 40mKLM
Deal found 4/17$984
Wed 5/157:15 amSFO - CWL
2 stops18h 00mKLM
Wed 5/299:45 amCWL - SFO
2 stops20h 05mKLM
Deal found 4/17$989
Wed 5/151:50 pmSFO - CWL
1 stop18h 55mVirgin Atlantic
Wed 5/295:15 pmCWL - SFO
1 stop26h 30mVirgin Atlantic
Deal found 4/17$1,038
Sat 4/201:55 pmSFO - CWL
1 stop35h 20mKLM
Sat 4/275:15 pmCWL - SFO
1 stop26h 30mKLM
Deal found 4/17$1,233
Wed 5/154:20 pmSFO - CWL
3 stops31h 40mMultiple Airlines
Wed 5/294:50 pmCWL - SFO
2 stops31h 00mMultiple Airlines
Deal found 4/17$1,814
Sat 4/202:40 pmSFO - CWL
3 stops33h 20mMultiple Airlines
Sat 4/271:50 pmCWL - SFO
2 stops34h 00mMultiple Airlines
Deal found 4/17$1,872
Sat 4/202:40 pmSFO - CWL
3 stops33h 20mMultiple Airlines
Sat 4/275:15 pmCWL - SFO
3 stops35h 58mMultiple Airlines
Deal found 4/17$1,921

San Francisco to Cardiff 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Cardiff in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
The lowest fares we've come across on flights traveling from San Francisco to Cardiff in April and May 2024. Check back soon for alternative fares.
Thu 11/146:15 amSFO - CWL
2 stops43h 30mDelta
Mon 11/1810:15 amCWL - SFO
1 stop33h 45mDelta
Deal found 4/16$703
Thu 11/1410:30 amSFO - CWL
2 stops39h 15mDelta
Mon 11/1810:15 amCWL - SFO
1 stop33h 45mDelta
Deal found 4/17$704
Thu 11/1410:30 amSFO - CWL
2 stops39h 15mDelta
Mon 11/1810:15 amCWL - SFO
2 stops42h 05mDelta
Deal found 4/16$713
Thu 11/1410:30 amSFO - CWL
2 stops39h 15mDelta
Mon 11/1810:15 amCWL - SFO
2 stops41h 27mDelta
Deal found 4/17$715
Thu 11/142:05 pmSFO - CWL
1 stop23h 35mAir France
Mon 11/1810:15 amCWL - SFO
1 stop33h 45mAir France
Deal found 4/16$745
Thu 11/142:05 pmSFO - CWL
1 stop23h 35mAir France
Mon 11/1810:15 amCWL - SFO
1 stop33h 45mAir France
Deal found 4/17$750
Sat 4/2010:45 pmSFO - CWL
2 stops26h 30mKLM
Sat 4/275:15 pmCWL - SFO
2 stops37h 30mKLM
Deal found 4/17$798
Sat 4/201:55 pmSFO - CWL
1 stop35h 20mKLM
Sat 4/275:15 pmCWL - SFO
2 stops37h 30mKLM
Deal found 4/17$876
Wed 5/151:50 pmSFO - CWL
1 stop18h 55mKLM
Wed 5/299:45 amCWL - SFO
2 stops21h 40mKLM
Deal found 4/17$984

Find flights from San Francisco to Cardiff within your budget

Customize 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 3,192,047 searches. Data last updated April 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$984 - $2,032

Route

Depart

Return

Price

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 5/15

1 stop18h 55m

Cardiff Wales

Wed 5/29

2 stops21h 40m

$984

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 5/15

2 stops18h 00m

Cardiff Wales

Wed 5/29

2 stops20h 05m

$989

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 5/15

1 stop18h 55m

Cardiff Wales

Wed 5/29

1 stop26h 30m

$1,038

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 7/31

2 stops18h 20m

Cardiff Wales

Tue 8/6

2 stops21h 48m

$1,239

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Tue 7/30

2 stops24h 29m

Cardiff Wales

Tue 8/6

2 stops21h 48m

$1,293

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 7/31

1 stop18h 55m

Cardiff Wales

Tue 8/6

2 stops21h 48m

$1,478

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 5/15

3 stops31h 40m

Cardiff Wales

Wed 5/29

2 stops31h 00m

$1,814

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 7/31

3 stops25h 30m

Cardiff Wales

Tue 8/6

3 stops35h 50m

$2,009

San FranciscoCardiff Wales

SFO - CWL

SFOCWL

San Francisco

Wed 7/31

3 stops25h 30m

Cardiff Wales

Tue 8/6

2 stops27h 35m

$2,032

Flights are sorted by cheapest first

Deals found on 4/17

When is the cheapest time to fly from San Francisco to Cardiff?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Cardiff. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Cardiff flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Cardiff by month

Plan your trip from San Francisco to Cardiff by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Cardiff is currently $0 while a round-trip flight costs $1,431. Price data was last updated on April 14, 2024.

Currently, January is the cheapest month in which you can book a flight from San Francisco to Cardiff (average of $708). Flying from San Francisco to Cardiff in June is currently the most expensive (average of $1,496). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$708

February

$726

March

$897

April

$808

May

$946

June

$1,496

July

$1,274

August

$998

September

$898

October

$851

November

$924

December

$816

Temperature and rainfall in Cardiff by month

Plan your trip to Cardiff by taking into account the average temperature and rainfall totals by month.

CWL

Temperature

39.2 - 64.4 °F

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 April 18, 2024.
To help decide which airline to fly from San Francisco to Cardiff, see what other customers have to say about KLM and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,104 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.1
Very good
11,104 reviews
8.1
Very good
11,104 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.9
Good
1,646 reviews
8.1
Very good
11,104 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.7
Good
750 reviews
8.1
Very good
11,104 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.
  • Can I find flights from San Francisco to Cardiff for under $1,000 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Cardiff for under $1,000. The cheapest flight booked recently is on KLM for just $984, but on average you can expect to pay $1,430.

  • What are the cheapest airlines flying from San Francisco to Cardiff round-trip?

    According to our current data, KLM ($984), Virgin Atlantic ($1,038), and Delta ($1,239) offers the cheapest pricing from San Francisco to Cardiff. KLM is currently priced 27% below the average price you’ll pay for this route.

  • What does SFO to CWL mean?

    San Francisco Airport is SFO and Cardiff Wales Airport is CWL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from San Francisco to Cardiff that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Cardiff flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Cardiff with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Cardiff flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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 vacation 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.

  • Can I find deals for flights from San Francisco to Cardiff that allow pets onboard?

    Many airlines flying from San Francisco to Cardiff offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Cardiff?

    Yes, you can often find last-minute deals on San Francisco to Cardiff flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Cardiff flight deals updated?

    The San Francisco to Cardiff flight deals you see on this page were last updated on 4/17.

See more FAQs

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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.

Top 2 airlines flying from San Francisco to Cardiff

Discover the top 2 airlines that operate flights from San Francisco 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 3,192,047 searches. Data last updated April 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$653Average$823FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$692Average$977FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from San Francisco to Cardiff by cabin class

Find flights from San Francisco to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

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How does Cheapflights help users find flights from San Francisco to Cardiff?

Cheapflights makes it easy to find San Francisco to Cardiff flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Cardiff for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Cardiff, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from San Francisco to Cardiff and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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