Direct (non-stop) flights from Kansas City (MCI) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from Kansas City (MCI) to SeaTac (SEA). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 3h 50m - 4h 15m (average flight time)• Distance: 1494 miles (2404 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
Kansas City (MCI)
SeaTac (SEA)
FLIGHT TIME
3h 50m - 4h 15m
FLIGHT DISTANCE
1494 miles (2404 km)
4h 8m - 4h 14m
06:00
15:30
1494 miles (2404 km)
March
2 (Show)
23
Flight Schedule
December 2025
Airlines with direct flights from Kansas City (MCI) to SeaTac (SEA)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 50m - 4h 15m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, 7:00, 15:00, offering more flight options and potentially better connections.
Kansas City (MCI) - SeaTac (SEA) flight price statistics
$478
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$376
Jan$614
Feb$320
Mar$338
Apr$898
May$688
Jun$688
Jul$353
Aug$328
Sep$328
Oct$463
Nov$338
DecRelated Information
Airports: MCI • SEA Airport
Airlines operating this route: Alaska Airlines (AS), Delta Air Lines
Frequently Asked Questions
How many flights operate from MCI to SEA?
There are 3 direct flights operating from MCI to SEA. Approximately 2-3 flights daily.
Which airlines operate flights from MCI to SEA?
2 airlines operate on this route: Alaska Airlines, Delta Air Lines.
How long is the flight from MCI to SEA?
The flight duration from MCI to SEA is approximately 3h 50m - 4h 15m.
What is the distance from MCI to SEA?
The distance from MCI to SEA is 1494 miles (2404 km).
What is the flight time range for this route?
Flight times on this route range from 4h 8m - 4h 14m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:00 and the latest flight departs at 15:30.
What is the cheapest month to fly from MCI to SEA?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 23 flights operate per week from MCI to SEA.
What types of aircraft operate on this route?
This route is served by Boeing 737-900 (winglets) Passenger/BBJ3, Airbus A220-100, Boeing 737MAX 9 Passenger.
What is the average flight price from MCI to SEA?
The average flight price for a round-trip ticket from MCI to SEA is approximately $478 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from MCI to SEA for the lowest prices?
March is typically the cheapest month to fly from MCI to SEA. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from MCI to SEA?
2 airlines offer direct flights from MCI to SEA, providing travelers with multiple options for scheduling and pricing.
How far is SEA from MCI?
The distance from MCI to SEA is 1494 miles (2404 km). This is a long-haul flight route.
How long does it take to fly from MCI to SEA?
The flight time from MCI to SEA is approximately 3h 50m - 4h 15m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.