Delta Airlines CEO Ed Bastian has warned that airfares for domestic flights in the United States could increase by 5 percent to 10 percent amid a spike in oil prices. Oil prices—already soaring in the United States—have been further exacerbated following Russia’s invasion of Ukraine and are now at 14-year highs. Bastian told the BBC in an interview published on March 17 that the impact of higher fuel prices on domestic flights “is probably about $25 on a ticket, that could be anywhere between 5 percent to 10 percent at these high levels of oil… and international [flights] will be a bit higher than that.” In addition to higher airfare costs, Delta is also planning to implement fuel surcharges on international flights in an effort to combat the rising cost of oil. Jet fuel prices ended last week about 80 percent higher than a year ago, according to the International Air Transport Association. In response, other …