$165 Find Cheap Flights from Ottawa to Washington Dulles Airport - Compare and Save

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

• Air Canada: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection

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

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

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

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

• Air Canada: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Lufthansa: a cabin bag and a checked bag in Economy Class

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

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

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $347 round-trip via Toronto Island (YTZ), compared to $440 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $25–$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.

Most connecting flights from Ottawa to Washington, D.C. Dulles Intl Airport pass through Toronto Island (YTZ), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 15% on the Ottawa to Washington, D.C. Dulles Intl Airport route. Thursday is the cheapest departure day at $358 round-trip on average, while Friday is the most expensive at $420, a difference of $62. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Ottawa to Washington, D.C. Dulles Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

• Earliest: departs at 6:00 am and lands at 7:48 am
• Latest: departs at 7:30 pm and lands at 9:18 pm.

The flight takes about 1h 48m.

A nonstop flight from Ottawa to Washington, D.C. Dulles Intl Airport takes 1h 48m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $290 to $1,333. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Ottawa to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $188, which is 38% below the typical average for this route.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
· Dollar
· Budget
· Hertz
· Sixt
· Thrifty

Round-trip flights from Ottawa to Washington, D.C. Dulles Intl Airport range from $327 to $480, with an average of $403 over the past 12 months. Anything below $327 counts as a good deal.