# Who flies Orlando → Washington Dulles nonstop?

**2 airlines fly Orlando → Washington Dulles nonstop: Frontier Airlines and United Airlines.**

| Airline | Routes | Book direct |
|---|---|---|
| Frontier Airlines | Orlando (MCO) → Dulles (IAD) | https://www.flyfrontier.com/ |
| United Airlines | Orlando (MCO) → Dulles (IAD) | https://www.united.com |

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

Compare fares for MCO-IAD: [Trip.com](https://www.trip.com/flights/orlando-to-washington/tickets-MCO-IAD/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/MCO0911IAD1?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=MCO&to=IAD · JSON: https://picktheflight.com/intents/MCO/IAD

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Data built 2026-10-12 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.