$812+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CWL
Nov 28 — Dec 51
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.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 October 29, 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 October 29, 2025.
This Air France deal was found by Cheapflights users on 10/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:55 pmSFO - CWL
1 stop19h 00mKLM
Sun 12/145:30 pmCWL - SFO
1 stop26h 20mKLM
Deal found 10/29![KLM logo]()
$834
This Virgin Atlantic deal was found by Cheapflights users on 10/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:30 amSFO - CWL
2 stops22h 25mVirgin Atlantic
Sun 12/145:30 pmCWL - SFO
1 stop26h 20mVirgin Atlantic
Deal found 10/29![Virgin Atlantic logo]()
$838
This Air France deal was found by Cheapflights users on 10/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:55 pmSFO - CWL
1 stop18h 55mMultiple Airlines
Sat 1/3110:20 amCWL - SFO
1 stop33h 30mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$951
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 11/291:55 pmSFO - CWL
1 stop18h 55mDelta
Sat 1/3110:20 amCWL - SFO
2 stops20h 48mDelta
Deal found 10/27![Delta logo]()
$962
This Air France deal was found by Cheapflights users on 10/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:55 pmSFO - CWL
1 stop19h 00mKLM
Tue 1/65:25 pmCWL - SFO
2 stops32h 18mKLM
Deal found 10/27![KLM logo]()
$1,197
This Air France deal was found by Cheapflights users on 10/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:55 pmSFO - CWL
1 stop19h 00mMultiple Airlines
Tue 1/610:20 amCWL - SFO
1 stop33h 30mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$1,331
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:25 amSFO - CWL
3 stops27h 15mMultiple Airlines
Sun 12/148:45 pmCWL - SFO
2 stops23h 55mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$1,358
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 October 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $812 (Delta) |
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 October 29, 2025.
Use the filters below to find and compare flights from San Francisco to Cardiff that are best for you.
Fly from
San Francisco
Fly to
Cardiff
Route
Depart
Return
Price
San FranciscoCardiff
SFO - CWL
SFOCWL
San Francisco
Fri 2/6
1:55 pm-4:55 pm
1 stop19h 00m
Cardiff Wales
Tue 2/10
10:20 am-11:50 am
1 stop33h 30m
$812
San FranciscoCardiff
SFO - CWL
SFOCWL
San Francisco
Fri 12/5
1:55 pm-4:55 pm
1 stop19h 00m
Cardiff Wales
Sun 12/14
5:30 pm-11:50 am
1 stop26h 20m
$834
San FranciscoCardiff
SFO - CWL
SFOCWL
San Francisco
Fri 12/5
10:30 am-4:55 pm
2 stops22h 25m
Cardiff Wales
Sun 12/14
5:30 pm-11:50 am
1 stop26h 20m
$838
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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 Expedia the most. Expedia 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.