$89 Find Cheap Flights from Washington Dulles Airport to Ottawa - Compare and Save

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Ottawa:

• Earliest: departs at 1:17 pm and lands at 3:07 pm
• Latest: departs at 5:40 pm and lands at 7:30 pm.

The flight takes about 1h 50m.

Three cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Ottawa:

• Economy Class
• Business Class
• First Class

A nonstop flight from Washington, D.C. Dulles Intl Airport to Ottawa takes 1h 50m, covering 449 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Washington, D.C. Dulles Intl Airport to Ottawa range from $429 to $615, with an average of $514 over the past 12 months. Anything below $429 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 66% above the $514 route average. Book 15 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $431 round-trip via Toronto Pearson Intl (YYZ), compared to $538 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$69 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines and Air Canada. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet CRJ-550 variants.

Afternoon is the busiest departure period on Washington, D.C. Dulles Intl Airport to Ottawa flights, with 50% of flights leaving in that window. Evening departures account for 50%, morning flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $272 to $1,820. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Washington, D.C. Dulles Intl Airport to Ottawa are currently lower than usual. Average one-way flight prices are about $146, which is 46% below the typical average for this route.

Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates averaging $42 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Alamo
• Budget
• Enterprise Rent-A-Car

Flights from Washington, D.C. Dulles Intl Airport to Ottawa usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Ottawa (YOW).

Connecting flights from Washington, D.C. Dulles Intl Airport to Ottawa most commonly pass through:

• Toronto Island (YTZ) - 99% of one-stop connections
• Toronto Pearson Intl (YYZ) - 1% of one-stop connections

Yes. Flexible dates can save you up to 16% on flights from Washington, D.C. Dulles Intl Airport to Ottawa. Thursday is the cheapest departure day at $482 round-trip on average, while Monday is the most expensive at $571, a difference of $89.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Ottawa.

Flying via Toronto Island (YTZ) gives the shortest average 1-stop total travel time at 4h 16m, compared with 5h 54m via Toronto Pearson Intl (YYZ).

Some of the most popular sights in Ottawa are Garden of the Provinces and Territories, Nepean Sportsplex and Major's Hill Park. These are among the most viewed places in Ottawa on KAYAK.

Among airlines operating Washington, D.C. Dulles Intl Airport to Ottawa flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Business Class
• Air Canada: a cabin bag and a checked bag in Business Class
• Avianca: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.