Cheap flights from Toronto to Thunder Bay from C$ 139

If you don’t want to visit Thunder Bay in October, then you should wait until May to fly from Toronto, when ticket prices are also cheap, with an average price of C$ 342.

Our data shows that Saturday is the least expensive day to fly to Thunder Bay. Tickets to fly out on this day can be as low as C$ 328. The most expensive day to fly to Thunder Bay is Monday, with ticket prices averaging around C$ 519.

Flying to Thunder Bay from Toronto in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 320 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of C$ 419.

Fly from Toronto Pearson Intl to Thunder Bay for the best Toronto - Thunder Bay flight prices

You are more likely to see cheaper flights to Thunder Bay from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Thunder Bay for around C$ 368 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thunder Bay from Toronto for as low as C$ 202 on momondo.

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

No. A direct flight is the cheapest option for a flight between Toronto to Thunder Bay.

As of August 2026, prices for Toronto to Thunder Bay flights are approximately 6% cheaper when compared to flights at the same time last year.

Flair Airlines, Porter Airlines, and WestJet are the most popular carriers operating from Toronto to Thunder Bay

Air Canada, Porter Airlines and Flair Airlines are the top three most popular airlines that fly to Thunder Bay from Toronto according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Thunder Bay. Keep in mind that there are 3 different airlines that fly to Thunder Bay on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Toronto and Thunder Bay have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Porter Airlines has had the least delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

The number of flights available between Toronto and Thunder Bay is 14 per day as of August 2026. The most frequent departure time is 4:00p.m., with 50% of daily flights leaving in the afternoon.

The number of flights available between Toronto and Thunder Bay is 99 per week as of August 2026. The most frequent departure day is Fri, with 19% of weekly flights leaving on this day.