The carrier estimates the halving in the cost of a barrel of crude since last summer will take between £90 million and £130m off its annual fuel bill.
A spokesman added this would be passed on to passengers, taking up to £2 off last year’s total average revenue per passenger of £62.64.
The group also said first-half seasonal losses would reduce this year as it has added more seats to successful routes and attracted record business passengers in the three months to the end of December.
SUBSCRIBE TO THE SCOTSMAN’S BUSINESS BRIEFING
In November, EasyJet posted a full-year pre-tax profit up 21.5 per cent to £581 million, its fourth year in a row of record earnings, as it claimed it was winning the battle for the skies with both national flag carriers and budget rivals.
Yesterday chief executive Carolyn McCall said: “EasyJet has made a good start to [its financial] year by continuing to deliver its strategy of making travel easy and affordable. EasyJet is well-positioned to continue to deliver returns and growth to shareholders.”