Cheap flights from Boston to Ottawa from $109

In general, March is the cheapest month to fly from Boston to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. The month of October is another great option to travel to Ottawa, with average flight prices from Boston averaging around $345.

The cheapest day to depart from Boston to Ottawa is on a Monday. Travelers who choose to depart for Ottawa on a Monday will often find tickets for as low as $367. 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 Ottawa on Sunday is $447.

In the afternoon is the cheapest time of day to fly from Boston to Ottawa when you can find flight prices for as low as $412. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $429 on average. Flights to Ottawa from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Boston Logan Intl to Ottawa for the best Boston Logan Intl - Ottawa flight prices

You are more likely to see cheaper flights to Ottawa from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from Boston for as low as $339 on momondo.

There are 2 cabin classes available to choose from on Boston 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 7% on your flight if you consider stops on a Boston to Ottawa flight.

As of October 2026, prices for Boston to Ottawa flights are approximately 12% cheaper when compared to flights at the same time last year.

Porter Airlines is the most popular carrier operating from Boston Logan Intl to Ottawa

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Ottawa from Boston according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.