However, you have to be quick as they are only available until tomorrow.
It is also subject to availability, with flights likely to increase in price depending on demand.
There are a number of destinations still available for just £5, with Germany, Italy and Greece tickets available.
For example, you can fly to Corfu on September 20 for the bargain price, along with Berlin on September 25 and Naples on September 22.
There are also lots of flights to France and Spain with Ryanair for a fiver – although both destinations result in a two-week quarantine when back in the UK.
Greece holiday deals
- Seven nights with return flights with TUI – from £234pp (or all-inclusive from £452)
- Seven nights with return flights with Jet2 – from £229pp (or all-inclusive from £446pp)
- Seven nights with return flights with easyJet – from £168pp (or all-inclusive from £352pp)
Italy travel deals
- Five nights in Sicily with return flights with easyJet – from £237pp
- Five nights in Sardinia with return flights with easyJet – from £370pp
- Seven nights half-board with return flights with TUI – from £499pp (or all-inclusive from £599)
The flight sale will last until midnight tomorrow, with flight bookings available until the end of October.
The airline also warns that flight change fees will be applied to bookings made during the sale period, meaning passengers who have to move their flights will be forced to pay the difference.
For example, Brits must fill in a Passenger Locator Form 24 hours before travelling to Greece – failure to do so will result in fines or being turned away on arrival.
Other countries with entry restrictions include Cyprus, who require a negative PCR test taken no more than 72 hours before entry.
Anyone travelling to France, Spain, Malta or Croatia must quarantine for two weeks when returning to the UK.