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DEN - YOW

$297 Find cheap flights from Denver to Ottawa

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to Ottawa departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
sáb. 6/29
sáb. 7/6

Search hundreds of travel sites at once for deals on flights to Ottawa

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Ottawa, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Ottawa, as well as popular online travel agencies
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Cheap flight deals from Denver to Ottawa (DEN-YOW)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Ottawa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:49 am - 5:27 pmDEN-YOW
14h 38m1 stop
6:07 am - 1:32 pmYOW-DEN
9h 25m1 stop
mar., jul. 30 - dom., ago. 4
12:58 am - 8:42 pmDEN-YOW
17h 44m2 stops
6:07 am - 1:32 pmYOW-DEN
9h 25m1 stop
mar., jul. 30 - dom., ago. 4
6:00 am - 6:52 amDEN-YOW
22h 52m2 stops
6:07 am - 1:32 pmYOW-DEN
9h 25m1 stop
mié., jul. 31 - dom., ago. 4
2:20 pm - 2:30 pmDEN-YOW
22h 10m2 stops
9:35 pm - 1:32 pmYOW-DEN
17h 57m2 stops
mié., jul. 31 - dom., ago. 4
7:00 pm - 6:24 amDEN-YOW
9h 24m1 stop
9:45 pm - 12:34 pmYOW-DEN
16h 49m1 stop
$528Air Canada
Find Deal
lun., jul. 15 - dom., jul. 28
7:50 am - 9:49 pmDEN-YOW
11h 59m1 stop
2:50 pm - 10:00 pmYOW-DEN
9h 10m2 stops
$533United Airlines
Find Deal
dom., ago. 25 - mié., ago. 28
5:32 pm - 1:33 amDEN-YOW
6h 01m1 stop
9:45 pm - 12:34 pmYOW-DEN
16h 49m1 stop
$534Air Canada
Find Deal
vie., jul. 26 - dom., jul. 28
8:30 pm - 10:33 amDEN-YOW
12h 03m1 stop
11:20 am - 5:36 pmYOW-DEN
8h 16m1 stop
$638United Airlines
Find Deal
lun., oct. 14 - jue., oct. 17
2:20 pm - 12:37 amDEN-YOW
8h 17m1 stop
3:25 pm - 1:32 pmYOW-DEN
24h 07m2 stops
$661WestJet
Find Deal
jue., sep. 5 - lun., sep. 9
2:20 pm - 12:37 amDEN-YOW
8h 17m1 stop
3:25 pm - 1:32 pmYOW-DEN
24h 07m2 stops
$841WestJet
Find Deal
vie., jul. 26 - dom., jul. 28

Flights from Denver to Ottawa - Travel Insights & Trends

Get data-powered insights and trends into flights from Denver to Ottawa to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Denver to Ottawa?

The average price of all flights from Denver to Ottawa clicked on KAYAK for each day over the last 12 months.
For Denver to Ottawa, Friday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Ottawa back to Denver, the best deals are generally found on Sunday, with Wednesday being the most expensive.

What is the cheapest month to fly from Denver to Ottawa?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Denver to Ottawa, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Denver to Ottawa is February, where tickets cost $503 on average. On the other hand, the most expensive months are April and March, where the average cost of tickets is $1,483 and $1,084 respectively.

Which airlines provide the cheapest flights from Denver to Ottawa?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Ottawa from Denver were found on WestJet ($297) and Air Canada ($323), and the lowest round-trip tickets were found on Air Canada ($528) and United Airlines ($533).

Good to know

Low season

March

High season

July

Cheapest flight

$297
Best time to beat the crowds but there is an average 40% increase in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Denver to Ottawa

When to book flights from Denver to Ottawa

Are your dates flexible? Find out the best times to travel from Denver to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Denver to Ottawa

  • What is the cheapest flight from Denver to Ottawa?

    In the last 3 days, the lowest price for a flight from Denver to Ottawa was $297 for a one-way ticket and $487 for a round-trip.

  • Do I need a passport to fly between Denver and Ottawa?

    Yes

  • Which airports will I be using when flying from Denver to Ottawa?

    On your way to Ottawa, you’ll fly out from Denver Intl. You’ll be landing at Ottawa.

  • Which aircraft models fly most regularly from Denver to Ottawa?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Denver to Ottawa?

    Star Alliance is the only airline alliance operating flights between Denver and Ottawa.

  • Which is the best airline for flights from Denver to Ottawa, WestJet or United Airlines?

    The two airlines most popular with KAYAK users for flights from Denver to Ottawa are WestJet and United Airlines. With an average price for the route of $564 and an overall rating of 7.5, WestJet is the most popular choice. United Airlines is also a great choice for the route, with an average price of $664 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Denver to Ottawa?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Ottawa.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Ottawa?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to Ottawa?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to Denver with another airline. Booking your flights between Denver and YOW can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Ottawa?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Denver to Ottawa

 
See real verified KAYAK customer reviews for airlines flying from Denver to Ottawa. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Denver to Ottawa? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
WestJetOverall score based on 2866 reviews
7.3Comfort
7.7Boarding
6.4Food
8.1Crew
6.4Entertainment
Airline reviews

It was okay overall, but it was a 4 hours flight and the only thing we got was snacks, I really expected breakfast.

8.0 ExcellentAmira, May 2024YYC - YOW
Read more about WestJet reviews

It was okay overall, but it was a 4 hours flight and the only thing we got was snacks, I really expected breakfast.

Keep better track of bags. Not sure how they got lost. Also not sure why it took two weeks for us to get them back. Had to buy a bunch of necessities because they were packed.

food worker strike caused lack of service. I know, not your fault but a bit of a inconvenience.

The staff on the WestJet flight were friendly and helpful. The flight was smooth and we arrived 30 minutes ahead of time.

not as spartan as an air Canada flight, less comfortable / no in-flight screen as compared to similar priced Air Transat flight. Crew Cabin were professional and approachable. They got the job done, safe flight, on time despite delay in take off.

There was no entertainment and no announcement till well after I and others asked about it, and no "compensation" (like a free snack)

4 hour delay, lost our bags, staff was loud and it was an overnight flight

Entertainment was the only issue. I did not have app & not equipped to watch movie on my phone. Used to other carriers with access to a screen for viewing. Other than that, everything was fine.

Great flight. Pilot was able to fully make up the 42 minute late arrival of the aircraft for an on time arrival in Toronto.

Westjet delayed then rebooked us on flights for economy class when we paid for business class and now need a refund for fare difference and they aren't getting back to us

We liked the fully reclinable seats. Had center seats, so it was difficult to talk to spouse. Crew was great

Fine. Though no food or entertainment so the survey needs to be updated with those options.

This was a flight operated by Lufthansa. See me prior comments, which were meant for this experience. The CSA, Ashley, should be reprimanded if not fired for incompetence, being rude, and very, very slow. She was whispering to other CSAs, blaming my flight change on others, unable to give me a seat assignment, telling me could not help without offering any advice (I travel 200,000 miles a year and am a consultant to the airlines, so I know how this gets done PRETTY DAMN WELL). Then, she gave me literally the worst seat on the airline (yes, there were other seats open) - the one right next to the bathroom that was so bad the other PAX next to me left to move to another seat. My seat kept getting rammed (3x) by the crew with their carts (no turbulence to speak of), other passengers grabbing the seat to get in or out of the bathroom, and listening to the bathroom flush all night.

Generally good but there wasn’t any staff available when my luggage didn’t appear at baggage claim in Fresno. It took about half an hour to locate a staff member to open up the locked room where it was being kept.

Flight delayed from Cape Town to Washington then got diverted to miami and in miami we had to fend for ourselves , im still trying to get to Shreveport now

I just wrote a text which was supposed to be for the flight from Denver to spokane not Frankfurt to Denver.

Good dinner and nice plane.Smootz flight. Breakfast had no sweet option. Seats hardly reclined.

Too many fees (but that seems to apply to all airlines nowadays)

Flight was on time. Staff were friendly. I paid for Economy Plus but was required to check my standard carry-on luggage due to lack of space on the aircraft. This cost me 30 minutes, unexpectedly, in waiting at the baggage claim. This experience did not meet my expectations.

Aircraft has better leg room than any of United's larger planes. We had requested mobility assistance for this and related flights. United's response to all was superb.

Unable to initiate refund/reschedule the ticket #worst experience #lost 900$

Flight was delayed for almost 3 hours. Communication of gate change was poor. Email and screen said one gate and it was a different gate from that. Gate changed first to 64 B and then to 64 C. Originally it was 68B. 64C was not communicated properly!

This was a red eye return, so I doubt there would be anyway to make it better. Other than adding beds.

Direct nonstop flight was great. Flight was delayed and the crew announced a 2h delay on the sound system. 30 min or so later I hear my name on the sound system for immediate board. Several other passangers were late too. Reason: The crew incorrectly announced a 2h delay when in reality they meant a new boarding time at 2pm.

Flight was on time early arrival better entertainment good staff.everything was excellent

I don’t think there was entertainment? No mention of it. It was a good flight. Only complaint was my seat cushion was not attached and kept slipping.

My second flight ended up being through United and it was fine. Again, just frustrating that it was so late.

First time flying Air Canada and the trip was very pleasant! They did a great job getting us out of Toronto and into Rome (early!) For an international flight it was very enjoyable.

It was awful. For a 37 minute flight time,we had 1:30 hours delay. If someone had a connection flight he or she couldn’t reach for sure. The only positive point was online check in.

You do not have a space for flight cancelled. BUT!!! Air Canada handled it great. Was booked on another airline for the next day. The original flight was booked solid. But he precheck by the maintenance found a mechanical problem and the plane was not safe to fly. It was an inconvenience to have to wait until next day but I would rather arrive safely.

Book cheap flights from Denver to Ottawa

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Denver to Ottawa found on KAYAK in the last 72 hours.
9/5jue.
1 stopWestJet
8h 17mDEN-YOW
$297
9/5jue.
2 stopsAir Canada
11h 30mDEN-YOW
$323

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Last minute flights from Denver to Ottawa

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Denver to Ottawa that are departing in the next 10 days.
6/1sáb.
multi-stopUnited Airlines
7h 15mDEN-YOW
6/4mar.
multi-stopUnited Airlines
9h 18mYOW-DEN
$1,045
6/1sáb.
multi-stopUnited Airlines
8h 44mDEN-YOW
6/4mar.
multi-stopUnited Airlines
6h 28mYOW-DEN
$1,054

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Denver - Ottawa Flights

Departure:

Denver (DEN)United States

Destination:

Ottawa (YOW)Canada

Return flight deals:

Ottawa - Denver

Cabin classes:

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