United has round-trip flights from Dallas (DFW) to Chicago or New York/Newark (ORD, EWR/LGA) for $119-$139, NONSTOP. Flights August to November. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).