Dak Prescott threw 226 yards and a touchdown and ran for another with 2:08 left as the Cowboys held off the Seahawks 24-22 in a NFL Wild Card game in Arlington.
Ezekiel Elliott rushed for 137 yards on 26 carries and scored on a one-yard plunge early in the fourth quarter to put Dallas ahead.
The Cowboys will face either the Saints or the Rams on the road next weekend in the divisional round. Russell Wilson passed for 233 yards and a score and ran for a touchdown for Seattle.
His seven-yard pass to J.D. McKissic and the two-point conversion cut the Dallas led to two points with 78 seconds left, but Dallas ran out the clock.
Seattle was held to 73 yards rushing as its NFL-record of nine straight victories in playoff openers ended.