United States · 299 miles (481 km)

Columbus (CMH) to Dulles (IAD) flights

One airline flies nonstop from Columbus (CMH) to Dulles (IAD): United Airlines. The two airports are 299 miles (481 km) apart. United Airlines is in Star Alliance. There are also 21 ways to fly it with one stop, through Detroit, Philadelphia and Norfolk and more.

Airlines flying nonstop from CMH to IAD

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book CMH to IAD with points

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

CMH to IAD with one stop

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

  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Philadelphia (PHL)American Airlines, then United Airlines
    American Airlines logo
    United Airlines logo
  • Via Norfolk (ORF)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Raleigh/Durham (RDU)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Air Canada logo
    United Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via New York (LGA)American Airlines and Delta Air Lines, then United Airlines
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via New York (JFK)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Greenville (GSP)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Hartford (BDL)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Nashville (BNA)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Chicago (ORD)United Airlines the whole way
    American Airlines logo
    United Airlines logo
    United Airlines logo
  • Via Charleston (CHS)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Providence (PVD)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
See all 21 in Routes

CMH to IAD: common questions

Which airlines fly nonstop from CMH to IAD?

United Airlines (Star Alliance) flies nonstop from Columbus (CMH) to Dulles (IAD).

How far is Columbus from Dulles by plane?

Columbus (CMH) and Dulles (IAD) are 299 miles (481 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 IAD award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does CMH to IAD 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 IAD with taxes and fees.

Where can I connect between Columbus and Dulles?

The most direct connections are through Detroit (DTW), Philadelphia (PHL), Norfolk (ORF), Raleigh/Durham (RDU) and Toronto (YYZ). On 8 of them the same airline flies both flights, for example Delta Air Lines through Detroit.

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.