Seattle (SEA) to Cincinnati (CVG) flights
2 airlines fly nonstop from Seattle (SEA) to Cincinnati (CVG): Alaska Airlines and Delta Air Lines. The two airports are 1,959 miles (3,153 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 34 ways to fly it with one stop, through Chicago, Chicago and Minneapolis and more.
Airlines flying nonstop from SEA to CVG
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

Book SEA to CVG with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
SEA to CVG with one stop
34 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 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 Detroit (DTW)Delta Air Lines the whole way



- Via Nashville (BNA)Southwest Airlines the whole way




- Via Dallas (DFW)American Airlines the whole way





- Via Toronto (YYZ)Air Canada the whole way



- Via Las Vegas (LAS)Delta Air Lines and Frontier Airlines the whole way

+2



- Via Atlanta (ATL)Delta Air Lines the whole way




- Via Charlotte (CLT)American Airlines the whole way


- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way

+1


- Via Dulles (IAD)United Airlines the whole way




- Via San Francisco (SFO)United Airlines the whole way





SEA to CVG: common questions
Which airlines fly nonstop from SEA to CVG?
Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Seattle (SEA) to Cincinnati (CVG).
How far is Seattle from Cincinnati by plane?
Seattle (SEA) and Cincinnati (CVG) are 1,959 miles (3,153 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 CVG award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to CVG 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 CVG with taxes and fees.
Where can I connect between Seattle and Cincinnati?
The most direct connections are through Chicago (MDW), Chicago (ORD), Minneapolis (MSP), Denver (DEN) and Salt Lake City (SLC). On 30 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.