United States · 1,959 miles (3,153 km)

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

Book SEA to CVG with points

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

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
    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 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 Detroit (DTW)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Alaska Airlines logo
    Air Canada logo
  • Via Las Vegas (LAS)Delta Air Lines and Frontier Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    +2
    Delta Air Lines logo
    Frontier Airlines logo
    Allegiant Air logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
    Frontier Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
    Southwest Airlines logo
    American Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    Alaska Airlines logo
    United Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via San Francisco (SFO)United Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    United Airlines logo
    Breeze Airways logo
See all 34 in Routes

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.