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

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

Frequently asked questions

How much does a flight from Swansea (SWS) to San Francisco Intl. Airport (SFO) cost?
Secure a cheap one-way flight or cheap return flight from Swansea (SWS) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Swansea (SWS) to San Francisco Intl. Airport (SFO)?
is the cheapest month to fly from SWS to SFO. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Swansea (SWS) to San Francisco Intl. Airport (SFO)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from SWS to SFO. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Swansea (SWS) to San Francisco Intl. Airport (SFO)?
There aren't any daily direct flights from Swansea (SWS) to San Francisco Intl. Airport (SFO). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SWS to SFO?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Swansea (SWS) to San Francisco Intl. Airport (SFO)?
To avoid possible delays on the Swansea (SWS) to San Francisco Intl. Airport (SFO) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Swansea (SWS) to San Francisco Intl. Airport (SFO) last-minute?
Booking your ticket from SWS to SFO right before your getaway is usually more expensive. But 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 SWS to SFO flight and hotel package?
You'll generally save money by securing a SWS to SFO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Swansea (SWS) to San Francisco Intl. Airport (SFO)?
In most cases, you can cancel or modify your SWS to SFO flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

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

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Swansea to San Francisco Flights

The cheapest times to fly from Swansea to San Francisco

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 Swansea to San Francisco are during the month of . You can find some of the cheapest flights from Swansea to San Francisco with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Swansea to San Francisco: 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 Swansea to San Francisco

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 Swansea to San Francisco 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 Swansea to San Francisco 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 Swansea to San Francisco 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.

 

Swansea to San Francisco Flights

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*Available to One Key members.