Seattle to Cancun, Mexico for $222RT!
Nice sale on United next spring from Seattle to sunny Cancun, Mexico! Best dates are February through April when Seattle is at it's worst and Mexico is at it's best. This is United's Basic Economy Fare so only a small personal item is allowed for free. Normal sized carry-on and checked luggage incurs an extra fee. So pack light, use ITA Matrix Software to find your dates and book direct with United for the frugal fares!