$1,077+ Cheap flights from San Francisco (SFO) to Cardiff (CWL)
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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
Dec 2 — Dec 91
Round-trip
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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Cardiff
Cheapest
Best
Last-minute
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 November 2, 2026.
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 November 2, 2026.
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:55 am -
2 stops21h 05m
Mon 12/215:30 pm -
1 stop26h 15m
Deal found 10/30![KLM logo]()
$1,136
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:50 pm -
1 stop19h 10m
Thu 12/3110:20 am -
1 stop33h 25m
Deal found 10/28![Scandinavian Airlines logo]()
$1,542
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:50 pm -
1 stop19h 10m
Wed 12/235:30 pm -
1 stop26h 15m
Deal found 11/1![KLM logo]()
$1,808
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:00 pm -
2 stops19h 00m
Thu 12/3110:20 am -
2 stops32h 30m
Deal found 10/28![Delta logo]()
$2,006
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:30 am -
3 stops22h 30m
Wed 12/2312:15 pm -
2 stops34h 40m
Deal found 11/1![Multiple Airlines logo]()
$2,032
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:35 pm -
3 stops31h 10m
Mon 12/219:00 am -
3 stops22h 24m
Deal found 10/30![Multiple Airlines logo]()
$5,628
Best flights from San Francisco to CardiffDiscover carefully curated flight deals from San Francisco to Cardiff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
Discover carefully curated flight deals from San Francisco to Cardiff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/11:50 pm -
1 stop19h 10m
Fri 3/125:30 pm -
1 stop26h 15m
Deal found 10/30![KLM logo]()
$1,077
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:55 am -
2 stops21h 05m
Mon 12/215:30 pm -
1 stop26h 15m
Deal found 10/30![KLM logo]()
$1,136
This KLM deal was found by Cheapflights users on 10/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/277:30 am -
2 stops17h 45m
Mon 3/295:15 pm -
1 stop26h 30m
Deal found 10/31![KLM logo]()
$1,411
Last-minute flights from San Francisco to CardiffDiscover last-minute flight deals from San Francisco to Cardiff. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Cardiff. Data last updated November 2, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 10/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:55 am -
2 stops21h 05m
Mon 12/215:30 pm -
1 stop26h 15m
Deal found 10/30![KLM logo]()
$1,136
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:35 pm -
3 stops31h 10m
Mon 12/219:00 am -
3 stops22h 24m
Deal found 10/30![Multiple Airlines logo]()
$5,628
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:50 pm -
1 stop19h 10m
Wed 12/235:30 pm -
1 stop26h 15m
Deal found 11/1![KLM logo]()
$1,808
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:30 am -
3 stops22h 30m
Wed 12/2312:15 pm -
2 stops34h 40m
Deal found 11/1![Multiple Airlines logo]()
$2,032
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:50 pm -
1 stop19h 10m
Thu 12/3110:20 am -
1 stop33h 25m
Deal found 10/28![Scandinavian Airlines logo]()
$1,542
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:00 pm -
2 stops19h 00m
Thu 12/3110:20 am -
2 stops32h 30m
Deal found 10/28![Delta logo]()
$2,006
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 November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,075 (KLM) |
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 7,457,451 searches. Data last updated November 2, 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
Cheapest round-trip
San FranciscoCardiff
SFO San Francisco - CWL Cardiff Wales
SFOCWL
San Francisco
Mon 3/1
1:50 pm-5:00 pm
1 stop19h 10m
Cardiff Wales
Fri 3/12
5:30 pm-11:45 am
1 stop26h 15m
$1,077
San FranciscoCardiff
SFO San Francisco - CWL Cardiff Wales
SFOCWL
San Francisco
Mon 12/14
11:55 am-5:00 pm
2 stops21h 05m
Cardiff Wales
Mon 12/21
5:30 pm-11:45 am
1 stop26h 15m
$1,136
Quickest round-trip
San FranciscoCardiff
SFO San Francisco - CWL Cardiff Wales
SFOCWL
San Francisco
Sat 3/27
7:30 am-8:15 am
2 stops17h 45m
Cardiff Wales
Mon 3/29
5:15 pm-11:45 am
1 stop26h 30m
$1,411
Sorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
SFO-CWL
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.
Traveling to a place near Cardiff?
Book flights to Cardiff if you plan to visit one of these locationsBridgend
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