[Expired]United Airlines U.S Cross-Country Round-Trip Flights Sales
- Airfarewatchdog offers United Airlines U.S Cross-Country Round-Trip Flights Sales, as low as $96 for nonstop.
- Travel Period: Varies by the route. All routes are available from January through early March. Some have limited dates in December and/or next spring/fall.
- Travel Days of the Week: Vary by the route. Daily winter travel on a few routes. Others are available on Tuesdays, Wednesdays, and Saturdays only.