Ottawa to Dulles (YOW–IAD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
YOW–IAD is served by 2 airlines with nonstop service. United Airlines and avianca lead the route. The flight covers 450 miles in approximately 1h 21m. Beyond nonstop, 54 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AC | 49 | CR5, CR7, E7W | 1h43-1h50 | Star Alliance | AC | |
| AV avianca | 2 | CR5 | 1h43 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Dulles from Ottawa
| Metric | YOW→IAD | OGS→IAD | YUL→IAD |
|---|---|---|---|
| Distance from YOW | – | 45 mi | 94 mi |
| Nonstop airlines | 2 | 1 | 14 |
| Weekly flights | 59 | 4 | 78 |
| Flight time | 1h 21m | 1h 39m | 1h 15m |
| Departure OTP | 40% | – | – |
Travel Essentials
YOW: EDT · IAD: EDT
When it's 6:00 PM in Ottawa, it's 6:00 PM in Dulles.
Canadian citizens do not need a visa or ESTA to enter the United States for tourism or business stays up to 6 months. A valid Canadian passport is required for air travel. Land and sea crossings also accept a NEXUS card, enhanced driver's license, or FAST card. At the border, officers determine the length of stay and may ask for proof of ties to Canada and a return plan.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
YOW–IAD Quick Facts
Frequently Asked Questions
Flights from YOW to IAD
Ottawa Macdonald-Cartier International Airport (YOW) and Washington Dulles International Airport (IAD) are connected by nonstop service from avianca and United Airlines. With 59 weekly departures, this is a heavily served route.
YOW to IAD Flight Duration and Schedule
Nonstop flight time from YOW to IAD ranges from 1 hours 21 minutes to 1 hours 50 minutes. The route covers a distance of 450 miles (724 km). There are approximately 59 weekly flights outbound and 56 return, totaling 115 flights per week in both directions.
Connecting Options and Alternatives
54 one-stop connections are available, with the fastest taking approximately 3 hours via TEB. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Ogdensburg (OGS), Montréal (YUL) and Plattsburgh (PBG).