Domestic Fare of the Day: Denver to Seattle $178 round-trip, nonstop

Fly from Denver to Seattle for $178 round-trip, nonstop, including all taxes, on Southwest.

We found seats departing Denver on Thursday, February 13, and returning from Seattle on Monday, February 17. Plenty of other available dates for travel through May 13, any day of the week.

For booking info, see our Fare Details.