Columbus (CMH) to Seattle (SEA) flights
One airline flies nonstop from Columbus (CMH) to Seattle (SEA): 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 CMH to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
Book CMH to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
CMH to SEA 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
- Via Chicago (ORD)American Airlines and United Airlines the whole way
+1
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
- Via Cedar Rapids (CID)American Airlines the whole way
- Via Omaha (OMA)Southwest Airlines, then Alaska Airlines
- Via Lincoln (LNK)American Airlines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Portland (PDX)American Airlines, then Alaska Airlines and Delta Air Lines
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
+3 - Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Eugene (EUG)United Airlines, then Alaska Airlines and Delta Air Lines
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Toronto (YYZ)Air Canada the whole way
CMH to SEA: common questions
Which airlines fly nonstop from CMH to SEA?
Alaska Airlines (oneworld) flies nonstop from Columbus (CMH) to Seattle (SEA).
How far is Columbus from Seattle by plane?
Columbus (CMH) and Seattle (SEA) 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 CMH to SEA 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 CMH to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CMH to SEA with taxes and fees.
Where can I connect between Columbus and Seattle?
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.