Book by midnight Monday.

By Talia Avakian
November 21, 2016
Ryan Air Flash Sale
Credit: David Soanes/Getty Images

Budget airline Ryanairis having a flash sale, launching a “Cyber Week” promotion on Monday to offer customers who act fast 250,000 seats on flights to a wide range of European destinations, starting at €9.99, or about US$10.60.

The sale, which ends at midnight tonight, includes seats on more than 400 routes for travel dates in January and February.

Flights depart from various U.K. airports including Aberdeen Airport in Scotland, Belfast International Airport in Northern Ireland, Derry Airport in Northern Ireland, Birmingham Airport in England, Bournemouth Airport in England, Bristol Airport in England, East Midlands Airport in England, Edinburgh Airport in Scotland, Glasgow Airport in Scotland, and more.

Destinations include Rome, Malaga, Dublin, Berlin, and Brussels.

Although the tickets are cheap, travelers should consider what additional services they'll need (liked checked baggage) that the airline charges fees for to ensure they get a deal.

Ryanair will continue announcing deals throughout its eight-day sale this week—it's biggest week of sales to date—on Facebook and Twitter.