# Who flies Cincinnati → Washington (any) nonstop?

**4 airlines fly Cincinnati → Washington (any) nonstop: American Airlines (DCA), Delta Air Lines (DCA), Southwest Airlines (BWI) and United Airlines (IAD).**

| Airline | Routes | Book direct |
|---|---|---|
| American Airlines | Cincinnati/Northern Kentucky (CVG) → Ronald Reagan Washington National (DCA) | https://www.aa.com |
| Delta Air Lines | Cincinnati/Northern Kentucky (CVG) → Ronald Reagan Washington National (DCA) | https://www.delta.com/ |
| Southwest Airlines | Cincinnati/Northern Kentucky (CVG) → Baltimore/Washington (BWI) | https://www.southwest.com/ |
| United Airlines | Cincinnati/Northern Kentucky (CVG) → Dulles (IAD) | https://www.united.com |

bookDirect is the airline's own website. picktheflight earns nothing from it.

Compare fares for CVG-IAD: [Trip.com](https://www.trip.com/flights/cincinnati-to-washington/tickets-CVG-IAD/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/CVG1711IAD1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=CVG&to=DCA&tm=1 · JSON: https://picktheflight.com/intents/CVG/DCA?tm=1

---
Data built 2026-10-26 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.