Airlines are facing ongoing challenges due to high fuel costs and client uncertainty following Middle East tensions. Despite a truce between the US and Iran, major carriers have largely halted services to the Gulf region, suggesting ongoing travel volatility.

Buffeted by six weeks of war in the Middle East, airlines have scrambled to trim routes and costs as fuel bills explode and wary clients think twice about their travel plans, a situation that could persist even if a fragile truce holds. Carriers have largely halted flights in the Gulf region, with Air France announcing this week that it was extending its suspensions until May 3 – a decision a source said was made before this week’s ceasefire between the United States and Iran. With no certainty....