Seattle (SEA) to Calgary (YYC)

452mi
727 km392 nm

Flight time

≈ 1h 42m

Bearing

53° NE

Seattle (SEA) to Calgary (YYC) is 452 miles (727 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: SEA → YYCSEAYYC

Look up a route, or build a trip

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

What actually flies SEA–YYC

Filed traffic data

In May 2026, WestJet operated the most departures, one of 2 carriers flying nonstop SEA–YYC; the Embraer E175 was the most common aircraft at 46% of departures; flights ran 71% full.

Departures

216

May 2026

Seats

25,138

both directions

Passengers

17,817

both directions

Load factor

70.9%

RPM ÷ ASM

Who flies SEA–YYC?

WestJet operated the most nonstop SEA–YYC departures in May 2026 (116), one of 2 carriers on the route.

  • WS

    WestJet

    116 departures · 17,538 seats

    67.4%

    Load

  • QX

    Horizon Air

    100 departures · 7,600 seats

    79.0%

    Load

What plane flies SEA–YYC?

In May 2026, the Embraer E175 flew 46% of SEA–YYC departures — more than any other aircraft type.

How has SEA–YYC traffic changed?

Nonstop SEA–YYC departures fell from 277 in June 2025 to 216 in May 2026.

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

  • June 2025

    277 departures · 22,842 passengers

    78.3%

    Load

  • July 2025

    375 departures · 33,209 passengers

    81.7%

    Load

  • August 2025

    375 departures · 33,124 passengers

    82.9%

    Load

  • September 2025

    299 departures · 23,466 passengers

    83.6%

    Load

  • October 2025

    206 departures · 17,703 passengers

    85.1%

    Load

  • November 2025

    118 departures · 10,461 passengers

    84.2%

    Load

  • December 2025

    128 departures · 11,925 passengers

    84.1%

    Load

  • January 2026

    128 departures · 11,432 passengers

    85.0%

    Load

  • February 2026

    113 departures · 10,749 passengers

    87.4%

    Load

  • March 2026

    122 departures · 10,092 passengers

    76.3%

    Load

  • April 2026

    128 departures · 9,909 passengers

    70.1%

    Load

  • May 2026

    216 departures · 17,817 passengers

    70.9%

    Load

By direction

Each direction is filed separately — they rarely match.

SEA → YYC

77.1% full

108 departures · 9,688 passengers

YYC → SEA

64.7% full

108 departures · 8,129 passengers

Nonstop SEA–YYC traffic has been filed since 2025.

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

The airports

SEA

Seattle

US

Seattle–Tacoma International Airport

Coordinates

47.45°N, 122.31°W

Hemisphere

N · W

YYC

Calgary

CA

Calgary International Airport

Coordinates

51.12°N, 114.01°W

Hemisphere

N · W

Frequently asked

How far is Seattle (SEA) from Calgary (YYC)?

SEA to YYC is 452 miles (727 km / 392 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from SEA to YYC?

A nonstop covers the 452-mile great-circle distance in roughly 1h 42m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies SEA–YYC?

In May 2026, the Embraer E175 flew the largest share of departures (46.3%), followed by the Boeing 737-700 (31.5%).

What mileage do I earn flying SEA–YYC?

Distance-based programs credit off the 452-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.

Popular long-haul routes