United States · 2,011 miles (3,236 km)

Seattle (SEA) to Columbus (CMH) flights

One airline flies nonstop from Seattle (SEA) to Columbus (CMH): Alaska Airlines. The two airports are 2,011 miles (3,236 km) apart. Alaska Airlines is in oneworld. There are also 43 ways to fly it with one stop, through Chicago, Chicago and Minneapolis and more.

Airlines flying nonstop from SEA to CMH

Book SEA to CMH with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SEA to CMH with one stop

43 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
    American Airlines logo
    United Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Cedar Rapids (CID)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Delta Air Lines logo
  • Via Omaha (OMA)Alaska Airlines, then Southwest Airlines
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Lincoln (LNK)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Kansas City (MCI)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Portland (PDX)Alaska Airlines and Delta Air Lines, then American Airlines
    Alaska Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Eugene (EUG)Alaska Airlines and Delta Air Lines, then United Airlines
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Alaska Airlines logo
    Air Canada logo
See all 43 in Routes

SEA to CMH: common questions

Which airlines fly nonstop from SEA to CMH?

Alaska Airlines (oneworld) flies nonstop from Seattle (SEA) to Columbus (CMH).

How far is Seattle from Columbus by plane?

Seattle (SEA) and Columbus (CMH) are 2,011 miles (3,236 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SEA to CMH award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SEA to CMH cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to CMH with taxes and fees.

Where can I connect between Seattle and Columbus?

The most direct connections are through Chicago (MDW), Chicago (ORD), Minneapolis (MSP), Cedar Rapids (CID) and Omaha (OMA). On 33 of them the same airline flies both flights, for example Southwest Airlines through Chicago.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.