Cheap Flights from Denver to Ottawa
No deal from Denver to Ottawa has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Denver to Ottawa, the lowest round-trip fare we recorded was $418, in August. The typical fare was $639. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $636 on Delta, United, and WestJet, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/denver">from Denver</a>, <a href="/to/ottawa">to Ottawa</a>, or the return direction <a href="/from/ottawa/to/denver">Ottawa to Denver</a>.
Latest price we saw: Denver to Ottawa
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Denver (DEN) to Ottawa (YOW) | $636 | 21.0¢ | Nov 26 – Dec 3 | Delta, United, and WestJet | Oct 16 | Check price |
Price history: Denver to Ottawa
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $636 | $657 | 4 |
| Sep 2026 | $452 | $581 | 12 |
| Aug 2026 | $418 | $679 | 112 |
Frequently asked questions
How many flight deals from Denver to Ottawa are on Sparkflights right now?
There are 0 verified deals from Denver to Ottawa on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Denver to Ottawa?
The lowest fare we've recorded from Denver to Ottawa is $418, based on 128 price observations over 3 months.
How much does a flight from Denver to Ottawa cost?
The typical round-trip fare we observed from Denver to Ottawa is $639, against a recorded low of $418. These are observations, not quotes.
When is the cheapest month to fly Denver to Ottawa?
August was the cheapest month we observed from Denver to Ottawa and October the dearest, over 3 months of data.
What is the current price from Denver to Ottawa?
The most recent fare our sweep saw from Denver to Ottawa is $636, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.