Cheap flights from Ontario to District of Columbia from C$ 189

The month of January is, on average, the cheapest month to fly to District of Columbia from Region of Ontario, with most prices found around C$ 390. If you aren’t able to travel during the month of January, then book flights to District of Columbia from Region of Ontario during September instead. Flights to District of Columbia in September, while not as cheap as those in January, still average around C$ 397.

The cheapest day to depart from Region of Ontario to District of Columbia is on a Friday when prices can be found for as low as C$ 626. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to District of Columbia on Sunday is C$ 973.

Our data shows that the cheapest Region of Ontario to District of Columbia flights are usually those with departure times in the afternoon. Our users have found flights to District of Columbia in the afternoon for as low as C$ 531. At noon is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 947 per ticket.

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

You are more likely to see cheaper flights to District of Columbia from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around C$ 440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Region of Ontario for as low as C$ 387 on momondo.

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

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

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to District of Columbia from Region of Ontario according to our data. Air Canada is the first choice among our users, with 63% of people opting to fly with this airline when travelling to District of Columbia. Keep in mind that there are 7 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

As of November 2026, 36 flights take off from Region of Ontario and land in District of Columbia each day. The most common flight departure time for this route is 2:00p.m., with 36% of daily flights taking off at noon.

253 flights are operational weekly from Region of Ontario to District of Columbia as of November 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.