C$ 209 Find Cheap Flights from Ottawa to Colorado

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ottawa to Colorado departing on 23/5. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Colorado

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Colorado, 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 Ottawa to Colorado, as well as popular online travel agencies
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Best Colorado Flight Deals from Ottawa

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Denver
Denver1 stopC$ 330
Colorado Springs
Colorado Springs1 stopC$ 925

Cheap Flight Deals from Ottawa to Colorado (YOW-USCO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ottawa to Colorado 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.

Recent round-trip flight deals from Ottawa to Colorado

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Ottawa to Colorado.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
WestJet Logo
7:50 a.m. - 11:27 a.m.YOW-DEN
29h 37m1 stop
WestJet Logo
12:15 p.m. - 12:42 a.m.DEN-YOW
10h 27m1 stop
C$ 330WestJet
Find Deal
Sun, 11 May - Tue, 20 May
WestJet Logo
7:15 p.m. - 11:27 a.m.YOW-DEN
18h 12m1 stop
WestJet Logo
12:15 p.m. - 12:41 a.m.DEN-YOW
10h 26m1 stop
C$ 352WestJet
Find Deal
Fri, 11 Jul - Wed, 16 Jul
WestJet Logo
7:15 p.m. - 11:27 a.m.YOW-DEN
18h 12m1 stop
WestJet Logo
12:15 p.m. - 12:41 a.m.DEN-YOW
10h 26m1 stop
C$ 353WestJet
Find Deal
Fri, 18 Jul - Wed, 23 Jul
WestJet Logo
3:35 p.m. - 11:27 a.m.YOW-DEN
21h 52m1 stop
WestJet Logo
7:40 p.m. - 6:45 a.m.DEN-YOW
9h 05m1 stop
C$ 356WestJet
Find Deal
Tue, 8 Jul - Thu, 17 Jul
 Logo
3:45 p.m. - 4:00 a.m.YOW-DEN
14h 15m2 stops
 Logo
1:33 p.m. - 6:45 a.m.DEN-YOW
15h 12m2 stops
C$ 435
Find Deal
Wed, 21 May - Wed, 28 May
 Logo
6:45 p.m. - 11:27 a.m.YOW-DEN
18h 42m1 stop
 Logo
7:40 p.m. - 6:45 a.m.DEN-YOW
9h 05m1 stop
C$ 458
Find Deal
Sat, 24 May - Thu, 29 May
United Airlines Logo
6:33 a.m. - 2:46 p.m.YOW-DEN
10h 13m1 stop
United Airlines Logo
8:55 p.m. - 1:10 p.m.DEN-YOW
14h 15m2 stops
C$ 746United Airlines
Find Deal
Thu, 24 Jul - Thu, 24 Jul
Delta Logo
12:20 p.m. - 11:09 p.m.YOW-DEN
12h 49m2 stops
Delta Logo
12:10 p.m. - 12:22 a.m.DEN-YOW
10h 12m2 stops
C$ 774Delta
Find Deal
Mon, 5 May - Wed, 7 May
United Airlines Logo
6:33 a.m. - 2:46 p.m.YOW-DEN
10h 13m1 stop
United Airlines Logo
11:59 p.m. - 9:58 a.m.DEN-YOW
7h 59m1 stop
C$ 831United Airlines
Find Deal
Thu, 24 Jul - Thu, 24 Jul
Air Canada Logo
8:15 p.m. - 8:51 a.m.YOW-DEN
14h 36m1 stop
Air Canada Logo
7:45 a.m. - 5:04 p.m.DEN-YOW
7h 19m1 stop
C$ 856Air Canada
Find Deal
Thu, 15 May - Wed, 21 May

KAYAK's insights & trends for Ottawa to Colorado flights

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

What is the cheapest time of day to fly to Colorado?

The average price for all round-trip flights from Ottawa to Colorado depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Colorado is generally at night, when round-trip flights cost C$ 459 on average. Morning departures are around 4% cheaper than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the afternoon, which is peak travel time and where the average cost of a ticket is C$ 668.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ottawa to Colorado, 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 Ottawa to Colorado is November, when tickets cost C$ 458 (return) on average. On the other hand, the most expensive months are May and January, when the average cost of round-trip tickets is C$ 817 and C$ 802 respectively.

How far in advance should I book a flight from Ottawa to Colorado?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Ottawa to Colorado, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below-average price on the flight from Ottawa to Colorado, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know

Low season

April

High season

September

Cheapest flight

C$ 209
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from Ottawa to Denver

FAQs - booking Colorado flights

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

    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 Ottawa to Colorado.

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

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

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

    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 from Ottawa to Colorado with an airline and back with another airline.

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

    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 from Ottawa to Colorado 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 Ottawa to Colorado

 
See real verified KAYAK customer reviews for airlines flying from Ottawa to Colorado. 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 Ottawa to Colorado? 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.
7.4
United AirlinesOverall score based on 8685 reviews
7.3Comfort
7.7Boarding
6.6Food
8.1Crew
7.1Entertainment
Airline reviews

The gate attendant let me walk right by her with a bag too big for the overhead compartment

10.0 ExcellentMarni, Apr 2025DEN - DRO
Read more United Airlines reviews

The gate attendant let me walk right by her with a bag too big for the overhead compartment

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

It was my first time with United Airlines and I would say it was very good experience and best of all the flights were on time. Will definitely fly with United Airlines next time.

headphone jack didnt work for the first flight and not much variety

Food choices were very limited. Taste of the dishes was average.

I liked all the informational texts. I always knew where to go and when .

Not as good as expected Air Can needs to improve totally rated on internet as worst

The flight was delayed, it took longer than anticipated because of weather, and they broke my luggage.

Received an email the night before showing that there would be seatback entertainment on our flight. We get on and there was no seatback entertainment. And then it was a scramble to try to set up the iPads for the kids before takeoff so they could watch something for the four hour flight.

Internet on both flights was sketchy. Thus in flight entertainment was non- existent on MN - Balrimote leg.

We never had an experience they canceled the flight and they did not offer us an alternative flight. I had to book one on my own expense. They offered us food voucher and we could not use them at the airport it kept saying not attached to an existing flight. The people at the counter were rude and cold and they did not care about our situation

It took 30 minutes to check in with the Westjet rep. They didn’t have enough seats and she needed to make a call… I am always “randomly” selected to be checked at security. Their “randomly “ selection system may need some updating. They treat people like criminals. It is not appropriate behavior.

Found the seats very crowded—too close together ! And waited a long time for our luggage All staff at both ends were excellent!!!

Flight cancelled and Kayak switched our return flight to a red eye. Ridiculous.

Will never book through you again. Very disappointed in the notices and action taken or provided when planes are rescheduled, enough to cause missed connections

Lost my luggage. Filed a report and there is no response. Received a phone call from another airline that said they had the bag and they did not know what to do with it

Very good over all , would have been nice to have entertainment on the flight

Absolutely the worst airline I have ever taken. They lost my baggage and told me my bag tags had been cancelled. When my bags arrived days later I had to pick them up at 3:15 am. My return flight was delayed another 6 hours and they broke my bag. Westjet does nothing to try and make it a better customer experience and all the customers services representatives I spoke with were useless and incompetent. Never flying westjet again.

Easy self checkin and baggage drop. No in seat entertainment, but wifi and app worked well

They lost my checked in luggage, why do I pay for my cargo not arriving at the same destination as me?

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

Poor planning meant the plane was delayed an hour, then a thunder storm started and the ground staff couldn't work. Eventual arrival in Santiago was 3 hours late resulting in missed connections and the need to buy new tickets.

Ensure prepaid food arrangements are appropriately understood by flight crew of who purchased and who did not

All was fine. Weather was a bit stormy, but nothing kayak can do about that! 😊

I paid for a comfort class seat and was seated in economy.

The take off was delayed as we were told that the baggages had to be rearranged to balance the weight. I only took a carry-on and a personal item, but the overhead bin was extremely small, even a normal size carryon can’t fit it, so they had to check it in for free. The seat was really tight and no entertainment at all.

The only issues I have are the seats are very small and so is the overhead storage. You should mention that while booking flights. I had plenty of knee room but I am wider than my seat, and I am not fat at all. The Mitsubishi 900 models need to be upgraded to western size people. I do not know how a 300 pound woman fit into those seats. I had to continuously lean away from the aisle to keep people and flight crew from bumping into my shoulder. 3 hour flight so no entertainment or food, just snacks and a drink, which was no big deal. The buttery/garlic pretzels were pretty tasty.

The pork noodles were disgusting. The tuna sandwich had hardly any tuna and the bread was stale. A salad would have been better. An apple or a muffin.

I was overcharged either by United or sister airline Air Canada. It's exhausting dealing with companies nowadays that irresponsibly abuse access to credit/debit cards.

Everything you need to know for your flight from Ottawa to Colorado

Information on your arrival and departure airports

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