ANA Holdings Inc. and Japan Airlines Co. are expected to raise fuel surcharges significantly on international flights from June, as aviation fuel prices surge amid the Middle East conflict, a source familiar with the matter said Wednesday.The move is likely to hit the summer holiday season and raise concerns over the impact on travel demand.Fuel surcharges, which are applied separately from ticket prices to reflect fluctuations in fuel costs, on flights to Europe and North America in June and July are planned to reach 55,000 yen ($346) for ANA, up 23,100 yen from April and May. JAL is expec…READ FULL ARTICLE