Columbus (CMH) to Seattle (SEA) flights

An economy award from Columbus (CMH) to Seattle (SEA) starts at 10,000 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. 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.
How many miles CMH to SEA costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| Alaska Atmos RewardsOn Alaska Airlines | 10,000 | $5.60 |
| American AAdvantageOn Alaska Airlines | 12,500 | $5.60 |
| Iberia ClubOn Alaska Airlines | 13,000 | $5.60 |
| Cathay Pacific Asia MilesOn Alaska Airlines | 15,000 | $5.60 |
| Qatar Airways Privilege ClubOn Alaska Airlines | 16,000 | $5.60 |
| Finnair PlusOn Alaska Airlines | 17,500 | $5.60 |
| British Airways ClubOn Alaska Airlines | 20,000 | $5.60 |
| Starlux (COSMILE)On Alaska Airlines | 20,000 | $38.60 |
| JAL Mileage BankOn Alaska Airlines | 23,000 | $5.60 |
| Qantas Frequent FlyerOn Alaska Airlines | 23,000 | $5.60 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines 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
How many miles does CMH to SEA cost?
In economy it starts at 10,000 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. Next cheapest: American AAdvantage (12,500), Iberia Club (13,000) and Cathay Pacific Asia Miles (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
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.
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.







