Kansas City to Seattle (MCI–SEA) — Airlines, Schedules & Connections

MCI Airport Page →
1,486 mi airlines 33/wk
On-time Some delays Frequent delays
Flight Schedule 15 flights Verified 5h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
HA4959
HA Hawaiian
7M9
6:15 AM
EDT
8:24 AM
MDT
4h 9m
M T W T F S S
Prices
AS563
AS Alaska
738
6:15 AM
EDT
8:24 AM
MDT
4h 9m
M T W T F S S
Prices
DL2105
DL Delta
221
7:55 AM
EDT TM
10:00 AM
MDT
4h 5m
M T W T F S S
Prices
AS418
AS Alaska
7M9
2:49 PM
EDT
4:54 PM
MDT
4h 5m
M T W T F S S
Prices
AS9233
AS Alaska
2:54 PM
EDT
4:42 PM
MDT
3h 48m
M T W T F S S
Prices
AS289
AS Alaska
73J
3:52 PM
EDT
5:58 PM
MDT
4h 6m
M T W T F S S
Prices
AS1452
AS Alaska
73J
5:57 PM
EDT
8:03 PM
MDT
4h 6m
M T W T F S S
Prices
HA4749
HA Hawaiian
737
5:57 PM
EDT
8:03 PM
MDT
4h 6m
M T W T F S S
Prices
AS517
AS Alaska
6:08 PM
EDT
10:05 PM
MDT
5h 57m
M T W T F S S
Prices
HA6776
HA Hawaiian
73H
7:55 AM
MDT
1:29 PM
EDT
3h 34m
M T W T F S S
Prices
AS418
AS Alaska
B39M
8:21 AM
MDT
1:55 PM
EDT
3h 34m
M T W T F S S
Prices
AS766
AS Alaska
B39M
5:42 PM
MDT
11:07 PM
EDT
3h 25m
M T W T F S S
Prices
DL2256
DL Delta
221
5:50 PM
MDT TB
11:16 PM
EDT
3h 26m
M T W T F S S
Prices
AS564
AS Alaska
73J
6:27 PM
MDT
11:59 PM
EDT
3h 32m
M T W T F S S
Prices
HA4735
HA Hawaiian
737
11:35 PM
MDT
5:01 AM+1
EDT
3h 26m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
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Kansas City to Seattle
3 carriers, 33 flights/week nonstop.
3 Airlines 33 Flights/wk 1,486 mi 3h 48m nonstop -2h behind 53 1-stop hubs

MCI–SEA is served by 3 airlines with nonstop service. Alaska Airlines, Hawaiian Airlines and Delta Air Lines lead the route. The flight covers 1,486 miles in approximately 3h 48m. Beyond nonstop, 53 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop MCI–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 18 738, 73J, 7M9 3h48-5h57 93% Oneworld
HA Hawaiian Airlines 8 737, 7M9 4h06-4h09 93%
DL Delta Air Lines 7 221 4h05 93% SkyTeam
Aircraft on this route
221 Airbus A220-100 – DL
737 Boeing 737-700 – HA
738 Boeing 737-800 – AS
73J Boeing 737-900ER – AS
7M9 Boeing 737 MAX 9 – AS, HA
Alliance coverage
Oneworld: AS (18 flights/wk, 55%)
Unaffiliated: HA (8 flights/wk, 24%)
SkyTeam: DL (7 flights/wk, 21%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, MCI to SEA direction.
Mon
4
flights
Tue
6
flights
Wed
4
flights
Thu
4
flights
Fri
4
flights
Sat
7
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
9
Nonstop flights
33
Outbound / wk
30
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MCI to SEA.
1-STOP
One-Stop Connections
53
Hubs
~6h
Fastest
~31h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,699
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
MCI → SEA
93%
Generally reliable. Most flights run on time.
Departing
93%
Arriving
96%
Return
SEA → MCI
61%
Moderate delays possible. Allow buffer time.
Departing
61%
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MCI delays → SEA delays →

Other ways to reach Seattle from Kansas City

Nearby airports with service to Seattle–Tacoma International Airport.
Metric MCI→SEA OMA→SEA
Distance from MCI 152 mi
Nonstop airlines 3 1
Weekly flights 33 7
Flight time 3h 48m 3h 43m
Departure OTP 93%
Airports within 200 miles of MCI with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind Kansas City.
MCI: EDT · SEA: MDT

When it's 6:00 PM in Kansas City, it's 4:00 PM in Seattle.
Distance & Flight Time
1,486 mi / 2,391 km
Nonstop flight time is approximately 3h 48m to 5h 57m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

MCI–SEA Quick Facts

Key statistics for the Kansas City to Seattle route.
Route details
Distance1,486 mi / 2,391 km
Flight time3h 48m to 5h 57m
Time difference-2 hours
Airlines (nonstop)3
Weekly flights33 out / 30 return
1-stop connections53 hubs
Origin: MCI
IATA / ICAOMCI / KMCI
TimezoneAmerica/Indiana/Vincennes
Passengers/yr11.8M
Elevation1,026 ft / 313 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about MCI to SEA flights.
Nonstop flights from Kansas City International Airport to Seattle–Tacoma International Airport take approximately 3h 48m to 5h 57m. The route covers 1,486 miles.
3 airlines operate nonstop service: Alaska Airlines, Delta Air Lines and Hawaiian Airlines.
There are approximately 33 nonstop flights per week from MCI to SEA. The return direction has about 30 weekly flights.
Yes, 1-stop connections are available through HRL, BOI, GTF, OKC, YVR, HOU, SMF, YYC, PSP, CMH, SNA, IND, CVG, LIR, JFK, CUN, SJD, SLC, DFW, IAH, DEN, ATL, LAS, SFO, MIA, ORD, BWI, AUS, MDW, MSP, PHX, BNA, PDX, RDU, DCA, DAL, LAX, MSY, EWR, MCO, STL, TPA, PHL, SAN, BOS, DTW, FLL, CLT, SAT, ABQ, IAD, MKE and RSW. These options provide additional schedule flexibility.
Seattle is 2 hours behind Kansas City.
Yes, return flights from SEA to MCI are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include OMA. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from MCI to SEA

Kansas City International Airport (MCI) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines, Delta Air Lines and Hawaiian Airlines. With 33 weekly departures, this is a heavily served route.

MCI to SEA Flight Duration and Schedule

Nonstop flight time from MCI to SEA ranges from 3 hours 48 minutes to 5 hours 57 minutes. The route covers a distance of 1,486 miles (2,391 km). There are approximately 33 weekly flights outbound and 30 return, totaling 63 flights per week in both directions.

Connecting Options and Alternatives

53 one-stop connections are available, with the fastest taking approximately 6 hours via HRL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Omaha (OMA).