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

SEA Airport Page →
2,011 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 42m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
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→
AS450
AS Alaska
B39M
10:32 AM
MDT
5:55 PM
EDT
4h 23m
—
M T W T F S S
Prices
✓
←
AS450
AS Alaska
7M9
6:51 PM
EDT
9:12 PM
MDT
5h 21m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Seattle to Columbus
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 2,011 mi 4h 23m nonstop +2h ahead 51 1-stop hubs

SEA–CMH is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 2,011 miles in approximately 4h 23m. Beyond nonstop, 51 hubs offer 1-stop connections.

Also explore SEA Routes CMH Routes SEA Live Flights CMH Live Flights SEA Delays CMH Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop SEA–CMH service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 7 B39M 4h23 74% Oneworld –
Aircraft on this route
B39M – AS
Alliance coverage
Oneworld: AS (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to CMH direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to CMH.
1-STOP
One-Stop Connections
51
Hubs
~5h
Fastest
~29h
Longest
BZN ~5h 37m OKC ~5h 53m SUN ~6h 9m MKE ~6h 12m BOI ~6h 35m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,474
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → CMH
74%
Moderate delays possible. Allow buffer time.
Departing
74%
Arriving
100%
Return
CMH → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → CMH delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Columbus is 2 hours ahead of Seattle.
SEA: MDT · CMH: EDT

When it's 6:00 PM in Seattle, it's 8:00 PM in Columbus.
Distance & Flight Time
2,011 mi / 3,237 km
Nonstop flight time is approximately 4h 23m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

Facts

SEA–CMH Quick Facts

Key statistics for the Seattle to Columbus route.
Route details
Distance2,011 mi / 3,237 km
Flight time4h 23m
Time difference+2 hours
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connections51 hubs
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: CMH
Full nameJohn Glenn Columbus International Airport
IATA / ICAOCMH / KCMH
TimezoneAmerica/Indiana/Vevay
Passengers/yr8.8M
Elevation815 ft / 248 m
FAQ

Frequently Asked Questions

Common questions about SEA to CMH flights.
Nonstop flights from Seattle–Tacoma International Airport to John Glenn Columbus International Airport take approximately 4h 23m. The route covers 2,011 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 7 nonstop flights per week from SEA to CMH. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through BZN, OKC, SUN, MKE, BOI, HDN, YYC, MEM, MCI, IND, CLE, PIT, SGR, TUS, ELP, YYZ, MLB, MDW, DTW, MSP, RDU, DFW, CLT, ORD, PHL, BOS, ATL, EWR, IAH, DEN, FLL, TPA, MCO, PHX, SLC, MIA, BNA, JFK, IAD, LAX, LAS, RSW, AUS, CHS, DCA, SFO, STL, SAN, BWI, DAL and CUN. These options provide additional schedule flexibility.
Columbus is 2 hours ahead of Seattle.
Yes, return flights from CMH to SEA are available. Use the direction toggle at the top to view the return schedule.
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 SEA to CMH

Seattle–Tacoma International Airport (SEA) and John Glenn Columbus International Airport (CMH) are connected by nonstop service from Alaska Airlines. With 7 weekly departures, this is a regularly served route.

SEA to CMH Flight Duration and Schedule

Nonstop flight time from SEA to CMH ranges from 4 hours 23 minutes. The route covers a distance of 2,011 miles (3,237 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

51 one-stop connections are available, with the fastest taking approximately 5 hours via BZN. Two-stop connections are also available via intermediate hubs.