Columbus (CMH) to Washington (DCA) flights
2 airlines fly nonstop from Columbus (CMH) to Washington (DCA): American Airlines and Southwest Airlines. The two airports are 322 miles (518 km) apart. American Airlines is in oneworld. There are also 22 ways to fly it with one stop, through Philadelphia, Detroit and Norfolk and more.
Airlines flying nonstop from CMH to DCA
- American Airlinesoneworld · bookable with 9 programsWho books it

- Southwest AirlinesNot in an allianceWho books it

Book CMH to DCA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- Finnair PlusBooks American Airlines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
CMH to DCA with one stop
22 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Philadelphia (PHL)American Airlines the whole way


- Via Detroit (DTW)Delta Air Lines the whole way



- Via Norfolk (ORF)Breeze Airways, then American Airlines


- Via Raleigh/Durham (RDU)Breeze Airways, then American Airlines and Delta Air Lines



- Via New York (EWR)United Airlines the whole way


- Via Toronto (YYZ)Air Canada the whole way



- Via Charlotte (CLT)American Airlines the whole way


- Via New York (LGA)American Airlines and Delta Air Lines the whole way




- Via New York (JFK)American Airlines and Delta Air Lines the whole way





- Via Greenville (GSP)Breeze Airways, then American Airlines


- Via Hartford (BDL)Breeze Airways, then American Airlines


- Via Chicago (MDW)Southwest Airlines the whole way


- Via Nashville (BNA)Southwest Airlines the whole way




- Via Chicago (ORD)American Airlines and United Airlines the whole way




- Via Charleston (CHS)Breeze Airways, then American Airlines


CMH to DCA: common questions
Which airlines fly nonstop from CMH to DCA?
American Airlines (oneworld) and Southwest Airlines fly nonstop from Columbus (CMH) to Washington (DCA).
How far is Columbus from Washington by plane?
Columbus (CMH) and Washington (DCA) are 322 miles (518 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 DCA 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 DCA 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 DCA with taxes and fees.
Where can I connect between Columbus and Washington?
The most direct connections are through Philadelphia (PHL), Detroit (DTW), Norfolk (ORF), Raleigh/Durham (RDU) and New York (EWR). On 14 of them the same airline flies both flights, for example American Airlines through Philadelphia.
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.