Cheap Flights from San Francisco (SFO) to Swansea (SWS)

Popular airlines from San Francisco Intl. Airport (SFO) to Swansea (SWS)

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Swansea (SWS) cost?
Grab a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Swansea (SWS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Swansea (SWS)?
The cheapest month to fly from SFO to SWS is , when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Swansea (SWS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SFO to SWS flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Swansea (SWS)?
There are no daily direct flights from San Francisco Intl. Airport (SFO) to Swansea (SWS). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SFO to SWS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Swansea (SWS)?
To land at Swansea (SWS) on time, select a flight that leaves from San Francisco Intl. Airport (SFO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Swansea (SWS) last-minute?
Last-minute fares from SFO to SWS are generally more expensive. For the cheapest rates, start looking for flights early. That said, if you can play around with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a SFO to SWS flight and hotel package?
Opting for a SFO to SWS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Swansea (SWS)?
If you reserved your SFO to SWS flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Swansea
Distance
5238 mi

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San Francisco to Swansea Flights

The cheapest times to fly from San Francisco to Swansea

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Swansea are during the month of . You can find some of the cheapest flights from San Francisco to Swansea with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Swansea

Sunday is one of the best days to book for cheap flights from San Francisco to Swansea: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Swansea

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Swansea in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Swansea flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Swansea airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Swansea Flights

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*Available to One Key members.