Direct flights from Kansas City to Seattle MCI → SEA
Alaska Airlines, Delta Air Lines and Southwest Airlines operate nonstop flights from Kansas City (MCI) to Seattle (SEA). The nonstop flight takes around ~2h 59m, covering 1,486 miles (2,391 km). Updated 28 June 2026.
MCI
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SEA
Round trip
1 adult
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Alaska Airlines
AS
Delta Air Lines
DL
Southwest Airlines
WN
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Frequently asked questions
Is there a direct flight from Kansas City to Seattle?
Yes, Alaska Airlines, Delta Air Lines and 1 more airline operate nonstop flights from Kansas City (MCI) to Seattle (SEA).
Which airlines fly direct from Kansas City to Seattle?
Alaska Airlines, Delta Air Lines, Southwest Airlines operate nonstop flights from Kansas City to Seattle.
How long is the flight from Kansas City to Seattle?
The nonstop flight from Kansas City to Seattle takes ~2h 59m (approximately 2391 km).