Routes/Detroit, MI to Seattle, WA

Detroit, MI to Seattle, WA

Average one-way fare in 2026 Q1: $287 · 1927 nonstop miles · 466 passengers per day.

2026 Q1 fare$287

2025 Q1 fare$286

Change+$1

Passengers/day466

Distance1927 mi

The average fare a year earlier (2025 Q1) was $286. The change is $1 higher (0.4%).

The largest carrier on this route in 2026 Q1 was Delta with 67% of passengers. The lowest-fare carrier was Alaska with 30% of passengers, at an average fare of $236.

All routes from Detroit, MI · All routes from Seattle, WA

All quarters on this route

Quarter	Passengers/day	Avg. fare	Largest carrier	Largest share	Lowest-fare carrier
2024 Q1	422	$311	Delta	65%	Alaska
2024 Q2	889	$318	Delta	62%	Alaska
2024 Q3	1169	$318	Delta	64%	Alaska
2024 Q4	744	$311	Delta	71%	Alaska
2025 Q1	455	$286	Delta	69%	Alaska
2025 Q2	840	$311	Delta	60%	Alaska
2025 Q3	1043	$335	Delta	62%	Alaska
2025 Q4	669	$320	Delta	66%	Alaska
2026 Q1	466	$287	Delta	67%	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 31295 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.