Kalispell (FCA) to Seattle (SEA)

378mi
608 km328 nm

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.

Route map: FCA → SEAFCASEA

Look up a route, or build a trip

Change the airports, or add stops for a multi-leg trip.

What actually flies FCA–SEA

Filed traffic data

In July 2026, Horizon Air was the only carrier flying nonstop FCA–SEA; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 84% full.

Departures

98

July 2026

Seats

7,448

both directions

Passengers

6,289

both directions

Load factor

84.4%

RPM ÷ ASM

Who flies FCA–SEA?

Horizon Air was the only carrier to fly nonstop FCA–SEA in July 2026 (98 departures).

  • QX

    Horizon Air

    98 departures · 7,448 seats

    84.4%

    Load

What plane flies FCA–SEA?

In July 2026, the Embraer E175 flew 100% of FCA–SEA departures.

How has FCA–SEA traffic changed?

Nonstop FCA–SEA departures fell from 248 in August 2025 to 98 in July 2026.

Monthly nonstop FCA–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • 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

  • May 2026

    182 departures · 11,218 passengers

    81.1%

    Load

  • June 2026

    180 departures · 11,391 passengers

    83.3%

    Load

  • July 2026

    98 departures · 6,289 passengers

    84.4%

    Load

By direction

Each direction is filed separately — they rarely match.

FCA → SEA

90.3% full

49 departures · 3,364 passengers

SEA → FCA

78.5% full

49 departures · 2,925 passengers

Nonstop FCA–SEA traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).

The airports

FCA

US

Glacier Park International Airport

Coordinates

48.31°N, 114.26°W

Hemisphere

N · W

SEA

US

Seattle–Tacoma International Airport

Coordinates

47.45°N, 122.31°W

Hemisphere

N · W

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 July 2026, the Embraer E175 flew the largest share of departures (100.0%).

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.

Keep exploring

Every route below is its own page.