Columbus to Seattle (CMH–SEA) — Airlines, Schedules & Connections

CMH Airport Page →
2,011 mi airlines charter/private 23/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 9m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
AS283+1
AS Alaska
B39M
6:59 AM
EDT
9:04 AM
PDT
5h 5m
31%
M T W T F S S
Prices
AY4600cs
AY Finnair
73H
7:02 AM
EDT
9:02 AM
PDT
5h
M T W T F S S
Prices
AS462
Starts Oct 3 Seat map
AS Alaska
7M9 Seat map
8:34 AM
EDT
10:39 AM
PDT
5h 5m
31%
M T W T F S S
Prices
AS450+2
AS Alaska
B38M
5:48 PM
EDT
7:51 PM
PDT
5h 3m
31%
M T W T F S S
Prices
AS450+2
AS Alaska
B38M
9:16 AM
PDT
4:50 PM
EDT
4h 34m
27%
M T W T F S S
Prices
AS463
Starts Oct 3 Seat map
AS Alaska
7M9 Seat map
1:25 PM
PDT
8:50 PM
EDT
4h 25m
27%
M T W T F S S
Prices
AS280
AS Alaska
73H
9:38 PM
PDT Red-eye
5:08 AM+1
EDT
4h 30m
27%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
MDW Chicago 6h 30m EJAWN WN Chicago (MDW) to Seattle flights
MSP Minneapolis 6h 38m AMDLKE AFAMAS Minneapolis (MSP) to Seattle flights
STL St Louis 6h 38m EJAWN ASJLQR St Louis (STL) to Seattle flights
DTW Detroit 6h 49m AFAMDL AFASAY Detroit (DTW) to Seattle flights
DEN Denver 6h 50m F9UAWN 8CAFAS Denver (DEN) to Seattle flights
SLC Salt Lake City 6h 58m AMDLKE AFAMAS Salt Lake City (SLC) to Seattle flights
ORD Chicago 7h 7m AAASBA AAASAV Chicago (ORD) to Seattle flights
MCI Kansas City 7h 16m WN ASAYDL Kansas City (MCI) to Seattle flights
BWI Baltimore 7h 45m WN ASAYWN Baltimore (BWI) to Seattle flights
ATL Atlanta 7h 46m AFAMDL AFAMAS Atlanta (ATL) to Seattle flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Columbus to Seattle
2 carriers, 23 flights/week nonstop.
2 Airlines 2,011 mi 5h 4m nonstop -3h behind

CMH–SEA is served by 2 airlines with nonstop service. Alaska Airlines and Hawaiian Airlines lead the route. The flight covers 2,011 miles in approximately 5h 4m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop CMH–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: AY 21 7M9, B38M, B39M 5h03-5h05 100% Oneworld AY
HA Hawaiian Airlines 0 100%
Aircraft on this route
73H Boeing 737-800 (Winglets) – AY
7M9 Boeing 737 MAX 9 – AS
B38M Boeing 737 MAX 8 – AS
B39M Boeing 737 MAX 9 – AS
Alliance coverage
Oneworld: AS (21 flights/wk, 100%)
Unaffiliated: HA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, CMH to SEA direction.
Mon
4
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
4
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
23
Outbound / wk
21
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CMH to SEA.
1-STOP
One-Stop Connections
35
Hubs
~6h
Fastest
~17h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,549
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
CMH → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
93%
Return
SEA → CMH
78%
Generally reliable. Most flights run on time.
Departing
78%
Arriving
87%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. CMH delays → SEA delays →

Other ways to reach Seattle from Columbus

Nearby airports with service to Seattle–Tacoma International Airport.
Metric CMH→SEA LCK→SEA CLE→SEA
Distance from CMH 13 mi 112 mi
Nonstop airlines 2 2 3
Weekly flights 23 23
Flight time 5h 4m 4h 7m 5h 2m
Departure OTP 100%
Airports within 200 miles of CMH with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Seattle is 3 hours behind Columbus.
CMH: EDT · SEA: PDT

When it's 6:00 PM in Columbus, it's 3:00 PM in Seattle.
Distance & Flight Time
2,011 mi / 3,237 km
Nonstop flight time is approximately 5h 4m gate to gate.
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.

CMH–SEA Quick Facts

Key statistics for the Columbus to Seattle route.
Route details
Distance2,011 mi / 3,237 km
Flight time5h 4m
Time difference-3 hours
Airlines (nonstop)2
Weekly flights23 out / 21 return
1-stop connectionsAvailable
Origin: CMH
IATA / ICAOCMH / KCMH
TimezoneAmerica/New_York
Passengers/yr8.8M
Elevation815 ft / 248 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about CMH to SEA flights.
Nonstop flights from John Glenn Columbus International Airport to Seattle–Tacoma International Airport take about 5h 4m gate to gate. The route covers 2,011 miles.
2 airlines operate flights from CMH to SEA: Alaska Airlines and Hawaiian Airlines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Chicago Midway, Minneapolis–Saint Paul and St. Louis Lambert.
On a single ticket, yes. Your bags are checked through to SEA and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Seattle is 3 hours behind Columbus.
Yes, return flights from SEA to CMH are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include LCK, CLE and CVG. 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 CMH to SEA

John Glenn Columbus International Airport (CMH) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines and Hawaiian Airlines. With 23 weekly departures, this is a well served route.

CMH to SEA Flight Duration and Schedule

Nonstop flight time from CMH to SEA is about 5 hours 4 minutes gate to gate. The route covers a distance of 2,011 miles (3,237 km). There are approximately 23 weekly flights outbound and 21 return, totaling 44 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Chicago Midway, Minneapolis–Saint Paul and St. Louis Lambert. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Columbus (LCK), Cleveland (CLE) and Cincinnati / Covington (CVG).