Direct (nonstop) flights from Seattle to Kansas City
3 airlines fly nonstop from Seattle Tacoma International (SEA) to Kansas City International Airport (MCI). It's 1,488 miles (2,395 km), about 3h 34m in the air. Operated by Alaska Airlines, Delta Air Lines, Southwest Airlines.
Alaska Airlines
Delta Air Lines
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AS
Alaska Airlines
DL
Delta Air Lines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Seattle to Kansas City with one stop · direct emits 251 kg CO₂ per passenger
Looking for the return flight?
MCI → SEA: Flights from Kansas City to SeattleOther direct flights from Seattle
Direct flights from Kansas City (MCI)
Frequently Asked Questions
How long is the direct flight from Seattle to Kansas City?
A nonstop flight from Seattle (SEA) to Kansas City (MCI) takes approximately 3 hours and 34 minutes. The distance is 1,488 miles (2,395 km).
Which airlines fly nonstop from Seattle to Kansas City?
3 airlines: Alaska Airlines, Delta Air Lines, Southwest Airlines.
Is there a nonstop flight from Seattle to Kansas City?
Yes. 3 airlines: Alaska Airlines, Delta Air Lines, Southwest Airlines.
How far is Seattle from Kansas City?
The flight distance from Seattle to Kansas City is 1,488 miles (2,395 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Seattle to Kansas City?
At 3h 34m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Seattle to Kansas City?
Roughly 251 kg CO2 per passenger one-way. That's about the same as driving 1,255 km.
Is the return flight from Kansas City to Seattle also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seattle to Kansas City?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Seattle Tacoma International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.