EasyJet shares rose after the airline said it would consider a takeover proposal from U.S. investment firm Castlelake.

The potential acquisition signals a possible shift in ownership for one of Europe's largest budget carriers, attracting investor attention to the company's market valuation.

Shares of the airline rose as much as 13% [1] following the news. This surge in investor confidence has valued the company at approximately $4.5 billion [2].

Despite the market reaction, the airline's leadership expressed skepticism regarding the timing and nature of the interest. An EasyJet spokesperson said, "We have dismissed the approach as highly opportunistic" [3].

The company maintains a level of openness to formal bids, however. The spokesperson said, "We will consider any proposal from Castlelake" [4].

This development comes as the airline navigates a competitive aviation landscape. The interaction between the British carrier and the U.S.-based firm highlights the ongoing interest from private equity and investment groups in the European travel sector, a trend that often leads to consolidation within the industry.

"We will consider any proposal from Castlelake."

The tension between EasyJet's description of the bid as 'opportunistic' and its willingness to consider a proposal suggests the airline believes it is currently undervalued. By acknowledging the bid publicly, EasyJet has effectively signaled to the market that it is a viable acquisition target, which may invite competing bids from other investment firms or airlines seeking to expand their footprint in the European budget market.