Routes/Boise, ID to Seattle, WA

Boise, ID to Seattle, WA

Average one-way fare in 2026 Q1: $178 · 399 nonstop miles · 676 passengers per day.

2026 Q1 fare$178

2025 Q1 fare$168

Change+$10

Passengers/day676

Distance399 mi

The average fare a year earlier (2025 Q1) was $168. The change is $10 higher (6.2%).

The largest carrier on this route in 2026 Q1 was Alaska with 72% of passengers. The lowest-fare carrier was Alaska with 72% of passengers, at an average fare of $177.

All routes from Boise, ID · All routes from Seattle, WA

All quarters on this route

Quarter	Passengers/day	Avg. fare	Largest carrier	Largest share	Lowest-fare carrier
2024 Q1	715	$181	Alaska	75%	Delta
2024 Q2	877	$171	Alaska	73%	Delta
2024 Q3	969	$163	Alaska	70%	Delta
2024 Q4	944	$167	Alaska	71%	Delta
2025 Q1	769	$168	Alaska	73%	Delta
2025 Q2	886	$166	Alaska	74%	Alaska
2025 Q3	877	$169	Alaska	71%	Alaska
2025 Q4	812	$174	Alaska	72%	Alaska
2026 Q1	676	$178	Alaska	72%	Alaska

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 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.