EasyJet is to attack the business travel sector dominated by traditional carriers with a fare offering “unlimited” flexibility.

The budget carrier, which has just announced a £100m increase in pre-tax profits, claims that the new tariffs will be competitively priced and “far cheaper” than those offered by legacy airlines.

The new flexible fares will initially be available only through business booking channels, including Global Distribution Systems and self-booking tools used by business travel companies.

They will be accessible to all passengers through easyJet.com “at a later date,” the airline said.

Passengers will be able to make unlimited changes within a four week time window – one week before and up to three weeks after the original booked travel date.

Passengers will have automatic speedy boarding, no booking fees and a checked in hold bag at no extra cost.

A full marketing and promotional campaign will take place in the first quarter of next year.

The airline’s CEO Carolyn McCall said: “We have seen a growing trend of business travellers choosing to fly EasyJet. 

“The EasyJet flexible fare has been specifically designed to meet the needs of the business traveller, making it even more attractive to choose to fly with EasyJet.”