Routes/Denver, CO to Seattle, WA

Denver, CO to Seattle, WA

Average one-way fare in 2026 Q1: $193 · 1024 nonstop miles · 1698 passengers per day.

2026 Q1 fare$193
2025 Q1 fare$179
Change+$13
Passengers/day1698
Distance1024 mi

The average fare a year earlier (2025 Q1) was $179. The change is $13 higher (7.5%).

The largest carrier on this route in 2026 Q1 was Alaska with 36% of passengers. The lowest-fare carrier was Southwest with 15% of passengers, at an average fare of $169.

All routes from Denver, CO · All routes from Seattle, WA

All quarters on this route

QuarterPassengers/dayAvg. fareLargest carrierLargest shareLowest-fare carrier
2024 Q11690$173Alaska31%Southwest
2024 Q22512$186Alaska35%Delta
2024 Q33005$187Alaska39%Delta
2024 Q42182$189Alaska36%Southwest
2025 Q11740$179Alaska33%Southwest
2025 Q22431$197Alaska36%Southwest
2025 Q32958$195Alaska36%Frontier
2025 Q42038$191Alaska36%Southwest
2026 Q11698$193Alaska36%Southwest

Source: U.S. Department of Transportation, Consumer Airfare Report Table 1, 2026 Q1. Figures are average one-way fares paid, including taxes and fees, for the quarter shown. Record: city markets 30325 and 30559; U.S. Department of Transportation, Domestic Airline Consumer Airfare Report, Table 1: top 1,000 contiguous-state city-pair markets (average one-way fare, passengers per day, largest carrier, lowest-fare carrier). Fetched 2026-09-27T00:40:04Z. Source data.