Travelers pass through the Austin-Bergstrom International Airport, on Dec. 22, 2018. In September, airfares were 22% more expensive than a year earlier, according to federal data. (Alyssa Schukar/The New York Times) By NIRAJ CHOKSHI Airfares soared because of the war with Iran. It’s looking increasingly likely that prices won’t come down anytime soon. Tensions in the Middle East have risen in recent days, pushing up oil prices. But even if the war ended and fuel costs fell, ticket prices…
