NEWYou can now listen to Fox News articles! Holiday airfares are reaching 10-year highs this year, putting added pressure on Americans planning Thanksgiving and Christmas trips. But a travel expert says there are still ways to save.Hopper, a travel-booking company, published its 2026 Holiday Travel Index revealing sharp increases in airfare prices compared to last year.The report analyzed a week’s worth of flight searches in September, focusing on lower-priced tickets and accounting for changes in Thanksgiving’s date when comparing prices to last year.POPULAR US AIRPORT CALLED OUT AS ‘MOST STRESSFUL’ IN AMERICA FOR TRAVELERSThe data shows that domestic round-trip airfare…