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Routes/Boise, ID to Denver, CO

Boise, ID to Denver, CO

Average one-way fare in 2026 Q1: $224 · 649 nonstop miles · 387 passengers per day.

2026 Q1 fare$224
2025 Q1 fare$205
Change+$19
Passengers/day387
Distance649 mi

The average fare a year earlier (2025 Q1) was $205. The change is $19 higher (9.3%).

The largest carrier on this route in 2026 Q1 was United with 55% of passengers. The lowest-fare carrier was Southwest with 32% of passengers, at an average fare of $209.

All routes from Boise, ID · All routes from Denver, CO

All quarters on this route

QuarterPassengers/dayAvg. fareLargest carrierLargest shareLowest-fare carrier
2024 Q1355$207United50%Southwest
2024 Q2485$206United60%Southwest
2024 Q3529$199United61%Southwest
2024 Q4454$216United60%Southwest
2025 Q1373$205United57%Southwest
2025 Q2502$203United56%Southwest
2025 Q3513$197United52%Southwest
2025 Q4455$219United52%Frontier
2026 Q1387$224United55%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 30713 and 30325; 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.