United has round-trip flights from Newark/New York (EWR) to Seattle (SEA) for $197, NONSTOP. Flights in November, January, and February. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available. 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).
Click for more details and booking links Nonstop Flights: Newark/New York to Seattle $197 r/t [Nov, Jan-Feb] (No Thanksgiving) – United