How to find the cheapest flight from Swansea (SWS) to Heathrow (LHR)
How far in advance should I book a flight from Swansea to Heathrow?
To save on the cost of your flight from Swansea to Heathrow, book at least 58 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £82 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £99.
What is the cheapest month to fly from Swansea to Heathrow?
Flights from Swansea to Heathrow lean towards being more expensive in December. Prices are generally better when you fly from Swansea to Heathrow in March, with the cheapest ticket starting at £47.
Related info for your journey
From Swansea to Heathrow
Are flight prices decreasing from Swansea to Heathrow due to COVID-19 (coronavirus)?
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Swansea and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Is Swansea weather warmer or cooler than Heathrow?
Temperatures around the 24 °Cs can be experienced in July. The weather in Heathrow is hotter than in Swansea. Plan for potential changes in flight availability as peak weather approaches in this location.