£378 Cheap Flights from Sacramento (SMF) to Cardiff (CWL)

View £378 flight on Tue, 1 Sept 2026Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Cardiff International Airport (CWL)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Sacramento (SMF) to Cardiff (CWL)

Prices were available within the past 7 days and start at £378 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

Which airlines fly direct from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
Enter SMF to CWL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
To find a cheap flight from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
There are approximately 16 connecting flights per day from Sacramento Intl. (SMF) to Cardiff Intl. (CWL). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Minneapolis - St. Paul Intl. (MSP), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
The earliest flight from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) typically departs at approximately 5:00 AM local time. This service is operated by United Airlines and Loganair. This is a seasonal service active in November. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
You'll typically find the most flights from Sacramento International Airport (SMF) to Cardiff (CWL) on a Monday, with around 35 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and Alaska Airlines.
What are the most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
The most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) are in the early morning, from 6am to 9am. This accounts for around 49% of total traffic. Many major carriers, including Delta and KLM, offer flights during this window. Many travelers prefer these times to get an early start on their journey.
How long does it take to fly from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
Flying from SMF to CWL with a connection usually takes about 18 hours 20 minutes, traveling roughly 5,185 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
Select the "Business class" and "First class" filters when looking for SMF to CWL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) flight with Expedia?
It's easy to earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cardiff from Sacramento Intl. (SMF)?
From Sacramento Intl. (SMF), you can fly typically into Cardiff Intl. (CWL) to reach Cardiff. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX) before reaching Cardiff. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) at the last minute?
Typically, booking a last minute flight from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) flight and hotel package?
Securing a Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.)?
If you booked your Sacramento, CA (SMF-Sacramento Intl.) to Cardiff (CWL-Cardiff Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sacramento Intl.
Destination airport
Cardiff Intl.
Distance
8295 km

Book with confidence

Compare flights from Sacramento to Cardiff easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sacramento to Cardiff. Operating between them flights per day, 7 airlines cover the route. And fly direct, getting you to Cardiff Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sacramento Intl. to Cardiff Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sacramento Intl. (SMF) to Cardiff Intl. (CWL)

The easiest way to view the best deals on flights from Sacramento to Cardiff today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sacramento Intl. to Cardiff Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sacramento and Cardiff
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sacramento to Cardiff flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sacramento Intl. to Cardiff Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Sacramento to Cardiff easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.