Cheap flights from Seattle to Kansas City
from 160 US$
From 251 USD — compare hundreds of airlines
The cheapest month is usually 2026-08 · 160 US$
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About this route
Compare flights from Seattle to Kansas City, a about 2,421 km route (around 3h 32m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Alaska Airlines, Delta, Southwest Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Seattle to Kansas City?
It's usually 2026-08, from 160 USD. Use the price calendar to compare other dates.
How long is the flight from Seattle to Kansas City?
A nonstop flight takes about 3h 32m and covers around 2,421 km. Connecting itineraries take longer.
Are there direct flights from Seattle to Kansas City?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Seattle to Kansas City?
Alaska Airlines, Delta, Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Seattle–Kansas City flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Seattle → Kansas City · Live fares from 100+ sites — free, with no hidden fees.