Cheap flights from District of Columbia to Ottawa from $147

In general, October is the cheapest month to fly from District of Columbia to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $360. The month of April is another great option to travel to Ottawa, with average flight prices from District of Columbia averaging around $375.

The cheapest day to depart from District of Columbia to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $440. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $511.

In the morning is the cheapest time of day to fly from District of Columbia to Ottawa when you can find flight prices for as low as $471. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $631 on average. Flights to Ottawa from District of Columbia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Washington, D.C. Dulles Intl to Ottawa for the best District of Columbia - Ottawa flight prices

There are 4 cabin classes available to choose from on District of Columbia to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 11% on your flight if you consider stops on a District of Columbia to Ottawa flight.

Air Canada, Porter Airlines, and United Airlines are the most popular carriers operating from District of Columbia to Ottawa

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Ottawa from District of Columbia according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

8 flights are operational daily from District of Columbia to Ottawa as of February 2026. The most popular departure time for this route is 12:00PM, with 77% of flights per day taking off in the afternoon.

As of February 2026, there are 61 flights per week flying from District of Columbia to Ottawa. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.