Kalispell (FCA) to Seattle (SEA)
Flight time
≈ 1h 33m
Bearing
264° W
Kalispell (FCA) to Seattle (SEA) is 378 miles (608 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies FCA–SEA
US DOT T-100 · filed dataIn April 2026, Horizon Air operated the most departures, one of 3 carriers flying nonstop FCA–SEA; the Embraer E175 was the most common aircraft at 99% of departures; flights ran 73% full.
Departures
172
April 2026
Seats
13,126
both directions
Passengers
9,578
both directions
Load factor
73.0%
passengers ÷ seats
Who flies FCA–SEA?
Horizon Air operated the most nonstop FCA–SEA departures in April 2026 (163), one of 3 carriers on the route.
- QX
Horizon Air
163 departures · 12,388 seats
Share of departures94.8%72.6%
Load
- OO
SkyWest Airlines
8 departures · 608 seats
Share of departures4.7%78.6%
Load
- DL
Delta Air Lines
1 departures · 130 seats
Share of departures0.6%84.6%
Load
What plane flies FCA–SEA?
In April 2026, the Embraer E175 flew 99% of FCA–SEA departures — more than any other aircraft type.
- Embraer E175
171 departures · 72.9% load
99.4% - Airbus A220-300
1 departures · 84.6% load
0.6%
How has FCA–SEA traffic changed?
Nonstop FCA–SEA departures fell from 182 in May 2025 to 172 in April 2026.
Monthly nonstop FCA–SEA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
182 departures · 11,511 passengers
83.2%
Load
June 2025
179 departures · 12,284 passengers
90.3%
Load
July 2025
181 departures · 12,754 passengers
92.7%
Load
August 2025
248 departures · 16,652 passengers
88.3%
Load
September 2025
241 departures · 15,722 passengers
85.3%
Load
October 2025
176 departures · 11,333 passengers
84.7%
Load
November 2025
132 departures · 8,478 passengers
84.5%
Load
December 2025
150 departures · 9,448 passengers
82.9%
Load
January 2026
173 departures · 10,122 passengers
77.0%
Load
February 2026
168 departures · 11,009 passengers
86.2%
Load
March 2026
178 departures · 11,571 passengers
85.5%
Load
April 2026
172 departures · 9,578 passengers
73.0%
Load
By direction
The DOT files each direction separately — they rarely match.
SEA → FCA
74.2% full
87 departures · 4,949 passengers
FCA → SEA
71.7% full
85 departures · 4,629 passengers
Nonstop FCA–SEA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Kalispell (FCA) from Seattle (SEA)?
FCA to SEA is 378 miles (608 km / 328 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from FCA to SEA?
A nonstop covers the 378-mile great-circle distance in roughly 1h 33m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies FCA–SEA?
In April 2026, the Embraer E175 flew the largest share of departures (99.4%), followed by the Airbus A220-300 (0.6%).
What mileage do I earn flying FCA–SEA?
Distance-based programs credit off the 378-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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