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Cardiff

$348+ Cheap flights from San Francisco (SFO) to Cardiff (CWL)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Find cheap flights from San Francisco to Cardiff with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from San Francisco to Cardiff

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 July 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:40 pm
SFO
-
CWL
1 stop21h 45m
Multiple Airlines
Sun 9/279:45 pm
CWL
-
SFO
2 stops46h 35m
Multiple Airlines
Deal found 7/8$865
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:35 pm
SFO
-
CWL
1 stop21h 15m
Multiple Airlines
Sun 9/279:45 pm
CWL
-
SFO
2 stops46h 35m
Multiple Airlines
Deal found 7/8$868
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm
SFO
-
CWL
1 stop20h 45m
Multiple Airlines
Sun 9/279:45 pm
CWL
-
SFO
2 stops46h 35m
Multiple Airlines
Deal found 7/8$873
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:40 pm
SFO
-
CWL
1 stop21h 45m
Multiple Airlines
Thu 10/110:50 pm
CWL
-
SFO
2 stops45h 30m
Multiple Airlines
Deal found 7/8$878
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:35 pm
SFO
-
CWL
1 stop21h 15m
Multiple Airlines
Thu 10/110:50 pm
CWL
-
SFO
2 stops45h 30m
Multiple Airlines
Deal found 7/8$882
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm
SFO
-
CWL
1 stop20h 45m
Multiple Airlines
Thu 10/110:50 pm
CWL
-
SFO
2 stops45h 30m
Multiple Airlines
Deal found 7/8$886
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:35 pm
SFO
-
CWL
1 stop20h 45m
Multiple Airlines
Sun 9/279:45 pm
CWL
-
SFO
2 stops46h 35m
Multiple Airlines
Deal found 7/8$916
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 pm
SFO
-
CWL
1 stop21h 10m
Multiple Airlines
Tue 9/111:35 am
CWL
-
SFO
2 stops37h 05m
Multiple Airlines
Deal found 7/11$918
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:40 pm
SFO
-
CWL
1 stop21h 45m
Multiple Airlines
Fri 10/27:45 am
CWL
-
SFO
2 stops36h 35m
Multiple Airlines
Deal found 7/8$922
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:35 pm
SFO
-
CWL
1 stop21h 15m
Multiple Airlines
Fri 10/27:45 am
CWL
-
SFO
2 stops36h 35m
Multiple Airlines
Deal found 7/8$925
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:40 pm
SFO
-
CWL
1 stop21h 45m
Multiple Airlines
Mon 9/2810:10 pm
CWL
-
SFO
2 stops31h 45m
Multiple Airlines
Deal found 7/8$929
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm
SFO
-
CWL
1 stop20h 45m
Multiple Airlines
Fri 10/27:45 am
CWL
-
SFO
2 stops36h 35m
Multiple Airlines
Deal found 7/8$930

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$865
(Kiwi.com)

One-way from

$348
(Kiwi.com)
Provider with most accurate pricing for San Francisco-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Cardiff Wales flights.
Search Deals
From San Francisco to Cardiff Wales
Search Deals
One-way flight from San Francisco to Cardiff Wales
Search Deals

Cheapflights Fare Finder

 
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 2,558,603 searches. Data last updated July 11, 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 round-trip
Quickest round-trip

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 8/25

5:40 pm-10:50 pm

1 stop21h 10m

Cardiff Wales

Tue 9/1

11:35 am-9:02 pm

1 stop17h 27m

$1,025

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 9/6

1:45 pm-9:15 am

1 stop35h 30m

Cardiff Wales

Mon 9/28

9:45 am-11:45 am

1 stop34h 00m

$1,031

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sun 9/6

6:13 am-4:45 pm

2 stops26h 32m

Cardiff Wales

Wed 9/30

9:45 am-11:45 am

1 stop34h 00m

$1,036

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Wed 9/9

2:00 pm-4:45 pm

2 stops18h 45m

Cardiff Wales

Tue 9/29

9:45 am-9:49 pm

2 stops20h 04m

$1,045

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 9/5

10:59 pm-4:45 pm

2 stops33h 46m

Cardiff Wales

Tue 9/29

9:45 am-11:51 pm

2 stops22h 06m

$1,045

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 8/25

8:55 am-4:45 pm

2 stops23h 50m

Cardiff Wales

Tue 9/1

9:45 am-9:47 pm

2 stops20h 02m

$1,046

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 9/11

1:45 pm-9:15 am

1 stop35h 30m

Cardiff Wales

Thu 10/1

9:45 am-11:45 am

1 stop34h 00m

$1,081

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Fri 9/11

1:45 pm-5:05 pm

1 stop19h 20m

Cardiff Wales

Fri 10/2

9:45 am-11:45 am

1 stop34h 00m

$1,240

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Sat 8/22

6:00 am-10:15 am

2 stops44h 15m

Cardiff Wales

Sat 8/29

11:35 am-9:55 pm

2 stops42h 20m

$1,406

San FranciscoCardiff

SFO - CWL

SFOCWL

San Francisco

Tue 8/4

6:05 pm-10:15 am

2 stops32h 10m

Cardiff Wales

Sat 8/15

11:35 am-4:40 pm

2 stops61h 05m

$1,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from San Francisco to Cardiff

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Cardiff in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Cardiff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Cardiff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Cardiff flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Cardiff flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

    For as low as $1,045, Delta can have you in Cardiff from San Francisco in 18h 45m. The distance between San Francisco and Cardiff is about 5267 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

Traveling to a place near Cardiff?

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