Cheap flights from Ottawa to Cancún from C$ 273

In general, September is the cheapest month to fly from Ottawa to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 525. The month of June is another great option to travel to Cancún, with average flight prices from Ottawa averaging around C$ 577.

The cheapest day to depart from Ottawa to Cancún is on a Wednesday. Travellers who choose to depart for Cancún on a Wednesday will often find tickets for as low as C$ 589. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around C$ 791. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

Our data shows that the cheapest Ottawa to Cancún flights are usually those with departure times in the afternoon. Our users have found flights to Cancún in the afternoon for as low as C$ 647. Flights to Cancún are more costly at noon, with an average ticket price of C$ 869. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Ottawa to Cancun for the best Ottawa - Cancun flight prices

You are more likely to see cheaper flights to Cancún from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around C$ 628 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Ottawa for as low as C$ 551 on momondo.

You could potentially save up to 10% on your flight if you consider stops on a Ottawa to Cancún flight.

As of May 2026, prices for Ottawa to Cancún flights are approximately 73% more expensive when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Ottawa to Cancun

Air Canada, Air Transat and WestJet are the top three most popular airlines that fly to Cancún from Ottawa according to our data. Air Canada is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Cancún. Keep in mind that there are 11 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between Ottawa and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

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

Thursday 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, WestJet has had the least delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 81% of momondo users choosing one-stop flights on this route connected there.

Flights via Newark (EWR) offer the lowest average round-trip price of C$ 517.

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 6h 46m.

Washington, D.C. (IAD) has the shortest average layover time for this route: 1h 24m.