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Cheap flights from Calgary (YYC) to Seattle (SEA)

YYC Calgary
SEA Seattle
20
Flights
$319
Lowest
$383
Average
Oct 18, 2026 - Mar 23, 2027
Date Range
19% above typical Check live prices Alert me on this route

Round-trip Calgary to Seattle currently starts at $319 CAD with taxes included, averaging $383 across 20 tracked fares departing Oct 18, 2026 to Mar 23, 2027.

YYC to SEA price history

Cheapest right now $319
Typical low $269
51-day range $250 to $312

19% above the typical low ($269), so this is a poor time to buy.

Aug 30, 2026 Typical low $269 Sep 29, 2026

· FareSeeker tracking data: 20 fares monitored on this route by our own collector, refreshed several times daily.

The 5 cheapest fares right now

Dates Trip Airline Stops Price
Nov 18, 2026 → Dec 2, 2026 14 nights WS WestJet Nonstop $319 CAD
Dec 16, 2026 → Dec 20, 2026 4 nights WS WestJet Nonstop $322 CAD
Dec 9, 2026 → Dec 16, 2026 7 nights WS WestJet Nonstop $324 CAD
Dec 3, 2026 → Dec 10, 2026 7 nights WS WestJet Nonstop $327 CAD
Oct 18, 2026 → Oct 25, 2026 7 nights AC Air Canada 2 $332 CAD

All fares are round trip. Exact flight times show on the booking page.

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