Direct (nonstop) flights from Dulles to Ottawa

1 airline flys nonstop from Washington Dulles International (IAD) to Ottawa Macdonald Cartier International (YOW). It's 449 miles (722 km), about 1h 43m in the air. Operated by United Airlines.

IAD
Washington Dulles International
🇺🇸 Dulles, USA
YOW
Ottawa Macdonald Cartier International
🇨🇦 Ottawa, Canada
Flight Time
1h 43m
Distance
449 mi
722 km
CO₂/pax
83 kg
−45 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAD → YOW
Flight Time
1h 43m
Distance
449 mi

Alternative Routes

Other ways to fly from Dulles to Ottawa with one stop · direct emits 83 kg CO₂ per passenger

IAD YTZ (Toronto) YOW
Leg 1: 1h 30m (338 mi) Leg 2: 59m (217 mi) Total: ~2h 29m 🍃 128 kg CO₂ (+54% vs. direct)
Leg 1
IAD → YTZ
1h 30m · 338 mi
View IAD to YTZ flights →
Leg 2
YTZ → YOW
59m · 217 mi
View YTZ to YOW flights →
IAD YYZ (Toronto) YOW
Leg 1: 1h 30m (345 mi) Leg 2: 1h 6m (225 mi) Total: ~2h 36m 🍃 131 kg CO₂ (+58% vs. direct)
Leg 1
IAD → YYZ
1h 30m · 345 mi
View IAD to YYZ flights →
Leg 2
YYZ → YOW
1h 6m · 225 mi
View YYZ to YOW flights →
IAD YUL (Montreal) YOW
Leg 1: 1h 56m (487 mi) Leg 2: 48m (94 mi) Total: ~2h 44m 🍃 132 kg CO₂ (+59% vs. direct)
Leg 1
IAD → YUL
1h 56m · 487 mi
View IAD to YUL flights →
Leg 2
YUL → YOW
48m · 94 mi
View YUL to YOW flights →
IAD YQB (Quebec) YOW
Leg 1: 2h 2m (622 mi) Leg 2: 1h 6m (229 mi) Total: ~3h 8m 🍃 182 kg CO₂ (+119% vs. direct)
Leg 1
IAD → YQB
2h 2m · 622 mi
View IAD to YQB flights →
Leg 2
YQB → YOW
1h 6m · 229 mi
View YQB to YOW flights →
IAD EWR (New York) YOW
Leg 1: 1h 29m (211 mi) Leg 2: 1h 40m (328 mi) Total: ~3h 9m 🍃 125 kg CO₂ (+51% vs. direct)
Leg 1
IAD → EWR
1h 29m · 211 mi
View IAD to EWR flights →
Leg 2
EWR → YOW
1h 40m · 328 mi
View EWR to YOW flights →

Looking for the return flight?

YOW → IAD: Flights from Ottawa to Dulles

Frequently Asked Questions

How long is the direct flight from Dulles to Ottawa?

A nonstop flight from Dulles (IAD) to Ottawa (YOW) takes approximately 1 hours and 43 minutes. The distance is 449 miles (722 km).

Which airlines fly nonstop from Dulles to Ottawa?

Just United Airlines.

Is there a nonstop flight from Dulles to Ottawa?

Yes. 1 airline: United Airlines.

How far is Dulles from Ottawa?

The flight distance from Dulles to Ottawa is 449 miles (722 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.

What type of aircraft flies from Dulles to Ottawa?

At 1h 43m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

Do I need a visa to travel from USA to Canada?

Depends on your passport. Check with the Canada embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Dulles to Ottawa?

Roughly 83 kg CO2 per passenger one-way. That's about the same as driving 415 km.

Is the return flight from Ottawa to Dulles also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Dulles to Ottawa?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Washington Dulles International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.