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Uncover the best deals on Kansas City to Seattle flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest MCI - SEA Flights
Useful information for finding best airline tickets from Kansas City International to Seattle Tacoma International on your next trip.
Cheapest Round Trip Flight
$918
Delta Airlines
• 1 stop
• 13h 34m
Oct 06 – Oct 12
The cheapest round trip flight from Kansas City to Seattle (MCI-SEA-MCI) is currently $918
Cheapest Direct Flight
$391
American Airlines
• nonstop
• 6h 41m
Jun 08
The cheapest nonstop flight from Kansas City to Seattle (MCI-SEA) is currently $391
Fastest Flight
3h 21m
The fastest nonstop flight from Kansas City to Seattle (MCI-SEA) takes 3h 21m
Latest Flight Deals from Kansas City (MCI) to Seattle (SEA)
Compare and book low fare round-trip air tickets from Kansas City to Seattle. Ideal for travelers with confirmed return itineraries.
Oct 06 - Oct 12, Economy
Kansas City → Seattle
13h 34m
8:05 AM - 2:19 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
15h 55m
2:10 PM - 10:05 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
16h 51m
6:34 AM - 2:45 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
13h 41m
5:31 PM - 11:52 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
10h 5m
2:57 PM - 7:02 PM • 1 stop
Kansas City → Seattle
15h 16m
12:30 PM - 11:46 PM • 1 stop
Delta Airlines
Flying to Seattle soon? We've surfaced some of the most affordable last-minute flights from Kansas City to Seattle, ideal for urgent plans or spontaneous trips.
Oct 06 - Oct 12, Economy
Kansas City → Seattle
13h 34m
8:05 AM - 2:19 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
15h 55m
2:10 PM - 10:05 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
16h 51m
6:34 AM - 2:45 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
13h 41m
5:31 PM - 11:52 PM • 1 stop
Kansas City → Seattle
5h 36m
5:55 PM - 11:31 PM • nonstop
Delta Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
10h 5m
2:57 PM - 7:02 PM • 1 stop
Kansas City → Seattle
15h 16m
12:30 PM - 11:46 PM • 1 stop
Delta Airlines
Looking for the fastest way to Seattle? These direct flight options from MCI to SEA offer both convenience and value—no layovers, just straight to your destination.
Jun 08 - Jun 08, Economy
Kansas City → Seattle
6h 41m
- • nonstop
Kansas City → Seattle
5h 30m
- • nonstop
American Airlines
Jun 08 - Jun 08, Economy
Kansas City → Seattle
6h 41m
- • nonstop
Kansas City → Seattle
5h 30m
- • nonstop
American Airlines
Jun 08 - Jun 08, Economy
Kansas City → Seattle
3h 21m
7:00 AM - 9:01 AM • nonstop
Kansas City → Seattle
8h 50m
1:25 PM - 6:55 PM • nonstop
Alaska Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
6h 43m
3:17 PM - 5:20 PM • nonstop
Kansas City → Seattle
5h 32m
6:27 PM - 11:59 PM • nonstop
Alaska Airlines
Oct 06 - Oct 12, Economy
Kansas City → Seattle
6h 43m
6:17 AM - 8:20 AM • nonstop
Kansas City → Seattle
5h 32m
6:27 PM - 11:59 PM • nonstop
Alaska Airlines
FAQs on Kansas City to Seattle Flights
What are the airports in Kansas City?
MCI
What’s the most popular airline flying from MCI to SEA?
The most popular airline flying from Kansas City to Seattle are
Can I fly from MCI to SEA non-stop?
Yes, you can fly MCI to SEA non-stop on
Which airlines fly nonstop between Kansas City and Seattle?
The non-stop flights between Kansas City and Seattle are .
What’s the earliest departure time from MCI to SEA Airport?
The earliest flight leaves MCI at 6:17 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Kansas City to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MCI to SEA?
Read the fare rules of the Kansas City to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Kansas City and Seattle?
operate flights between Kansas City and Seattle
How long does a flight from Kansas City to Seattle take?
It takes approximately 4 hour to fly non-stop from MCI to SEA, which is 1489.33 miles by air.
Which airlines provide the cheapest flights from Kansas City (MCI) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from MCI were found on DL : USD 918
Do I need a passport to fly between MCI and SEA?
No
What’s the latest departure time from MCI to SEA ?
The last flight leaves MCI at 7:5500 pm
Kansas City (MCI) to Seattle (SEA): Airport Information
| Origin Airport | Kansas City International , Kansas City, US |
| Destination Airport | Seattle Tacoma International , Seattle, US |
| Distance | 1489 miles |
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