United: Seattle – Boston (and vice versa) $288. Roundtrip, including all Taxes

A good cross country sale.

Leonard P. Zakim Bunker Hill Memorial Bridge Photo: Mistermuckle, used under Creative Commons License (By 2.0)

Sample Date:

  • October 13th – 16th. Valid for travel from September to January 4th. Use ITA Software Matrix Airfare Search and flexible month search to see availability. Must purchase 21 days in advance of departure.


  • SEA – DEN (Denver) – BOS (Boston) – IAD (Washington D.C. – Dulles) – SEA


  • 4,922 miles or 5.8 cents per mile



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