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A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Denver to Ottawa:
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Answers to questions about the route that travelers are most interested in.
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Unable to find information about the schedule of direct flights from
There appear to be no non-stop flights from Denver to Ottawa at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $288
The route Denver — Ottawa is served by a single airline — Frontier Airlines. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $288. Using our service, you can quickly compare available Frontier Airlines flights and book a seat in advance at a favorable rate.
The cheapest one-way flight from Denver to Ottawa departs on 04/02/2026, is operated by Frontier Airlines and costs $288
The cheapest roundtrip flight from Denver to Ottawa departs on 04/03/2026, is operated by Frontier Airlines and costs $531
Fastest flight from Denver to Ottawa takes 15h 14m
There are no direct flights on this route.
The distance between Denver and Ottawa is 2464km (1528 miles). The time difference between Denver and Ottawa is 2h
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Denver to Ottawa. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Denver to Ottawa, despite the fact that sometimes flights with transfers can cost significantly less.
The cheapest flight ticket from Denver to Ottawa according to data for the last 48 hours costs $288
Often the best time to buy tickets from Denver to Ottawa is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Denver to Ottawa can be found flying in these months: April, March.
The fastest flights from Denver to Ottawa start from 15 hours 14 minutes in the air.
The following airlines operate direct flights on the route Denver — Ottawa:
The minimum one-way ticket price from Denver to Ottawa is $288 (April 2026), while the maximum is $290 (March 2026). On average, a ticket costs $289–$290.
We couldn't find any special offers for flights from Denver to Ottawa