Cheap Flights from London (LHR) to Swansea (SWS)

Popular airlines from Heathrow Airport (LHR) to Swansea (SWS)

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Swansea (SWS) cost?
Secure a cheap one-way flight or cheap return flight from Heathrow Airport (LHR) 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 Heathrow Airport (LHR) to Swansea (SWS)?
is the most affordable month to fly from LHR to SWS. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Swansea (SWS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LHR to SWS flight.
How many flights per day from Heathrow Airport (LHR) to Swansea (SWS)?
You'll have to book a flight with a layover if you're traveling from Heathrow Airport (LHR) to Swansea (SWS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from LHR to SWS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Swansea (SWS)?
Select a flight from Heathrow Airport (LHR) to Swansea (SWS) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Heathrow Airport (LHR) to Swansea (SWS) last-minute?
Booking your ticket from LHR to SWS right before your getaway is generally more expensive. However, if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a LHR to SWS flight and hotel package?
You'll generally save money by securing a LHR to SWS 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 it all in one place. After selecting your preferred accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Swansea (SWS)?
If you booked your LHR to SWS flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare 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, go to our Customer Service portal for more information.

Travel information

Origin airport
Heathrow
Destination airport
Swansea
Distance
155 mi

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London to Swansea Flights

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

 

The best time to book a flight from London to Swansea

Sunday is one of the best days to book for cheap flights from London 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 London 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 London 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 London 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 London 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.

 

London to Swansea Flights

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*Available to One Key members.