Nonstop flights from Ottawa to Washington

2 airlines fly from Ottawa (YOW) to 2 Washington airports (IAD and DCA), with up to 5 flights a day.

YOWIAD

Routes

2 airport pairs

Ottawa time

6:00a7:30pFirst departure 6:00 AM, last 7:30 PM

Three in the morning, 6:00 AM to 10:25 AM, then one afternoon flight at 2:52 PM, then one evening flight at 7:30 PM. Every flight runs daily.

Earliest first

6:00 AM→7:43 AMYOW to IADUnited AirlinesEmbraer 175Daily
10:00 AM→11:44 AMYOW to IADUnited AirlinesCRJ 700Daily
10:25 AM→12:00 PMYOW to DCAAir CanadaUntil Dec 12, back Jan 12, 2027CRJ 900Daily
2:52 PM→4:35 PMYOW to IADUnited AirlinesCRJ 700Daily
7:30 PM→9:14 PMYOW to IADUnited AirlinesCRJ 700Daily

Schedules last checked Sep 21, 2026. Times are local.

United Airlines flies most often, 4 times a day on the CRJ 700 and Embraer 175. Air Canada flies daily on the CRJ 900.

There are 5 flights every day of the week. The first arrival in Washington is at 7:43 AM and the last at 9:14 PM.

YOW to IAD is the busiest airport pair, with 28 flights a week, then YOW to DCA with 7.

On YOW to DCA, Air Canada flies it until Dec 12 and is back on Jan 12, 2027.

Flying back, Washington to Ottawa has 35 nonstop flights a week.

Schedules as of Oct 9, 2026.