United Airlines has announced 15 new routes to European destinations for the summer 2026 season, representing its largest-ever transatlantic expansion. New nonstop services include Newark to Florence, San Francisco to Athens, and Denver to Copenhagen, among others.
The airline will deploy its newest Boeing 787-10 and Airbus A321XLR aircraft on many of the new routes, offering the latest Polaris business class seats and upgraded economy cabins. Total transatlantic capacity is increasing by 25 percent year-over-year.
Introductory round-trip fares on the new routes start at $499 in economy and $2,400 in Polaris business class for travel in June and September. MileagePlus members can also book award flights starting at 30,000 miles each way.
