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Cheap flights from Ottawa to Colorado from C$ 210

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Colorado departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

United Airlines Logo
5:15 a.m. - 10:04 a.m.YOW-DEN
6h 49m1 stop
United Airlines Logo
1:25 p.m. - 9:35 p.m.DEN-YOW
6h 10m1 stop
C$ 332United Airlines
Find Deal
Sat, 11 Oct - Sat, 18 Oct
United Airlines Logo
5:50 p.m. - 11:15 p.m.YOW-DEN
7h 25m1 stop
United Airlines Logo
6:00 a.m. - 4:43 p.m.DEN-YOW
8h 43m1 stop
C$ 345United Airlines
Find Deal
Fri, 3 Oct - Wed, 22 Oct
United Airlines Logo
5:25 p.m. - 6:42 a.m.YOW-DEN
15h 17m1 stop
United Airlines Logo
6:00 a.m. - 2:04 p.m.DEN-YOW
6h 04m1 stop
C$ 347United Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
United Airlines Logo
5:50 p.m. - 11:15 p.m.YOW-DEN
7h 25m1 stop
United Airlines Logo
11:59 p.m. - 1:09 p.m.DEN-YOW
11h 10m2 stops
C$ 355United Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Multiple Airlines Logo
3:35 p.m. - 3:59 a.m.YOW-DEN
14h 24m2 stops
Multiple Airlines Logo
12:36 a.m. - 4:57 p.m.DEN-YOW
14h 21m1 stop
C$ 396Multiple Airlines
Find Deal
Tue, 7 Oct - Tue, 21 Oct
Multiple Airlines Logo
3:35 p.m. - 11:10 a.m.YOW-DEN
21h 35m2 stops
Multiple Airlines Logo
12:36 a.m. - 4:57 p.m.DEN-YOW
14h 21m1 stop
C$ 403Multiple Airlines
Find Deal
Tue, 7 Oct - Sat, 18 Oct
Air Canada Logo
5:15 a.m. - 5:18 p.m.YOW-DEN
14h 03m2 stops
Air Canada Logo
6:05 p.m. - 8:23 a.m.DEN-YOW
12h 18m1 stop
C$ 417Air Canada
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Air Canada Logo
8:35 a.m. - 4:29 p.m.YOW-DEN
9h 54m1 stop
Air Canada Logo
6:05 p.m. - 8:23 a.m.DEN-YOW
12h 18m1 stop
C$ 451Air Canada
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Delta Logo
5:55 a.m. - 5:20 p.m.YOW-DEN
13h 25m2 stops
Delta Logo
5:45 a.m. - 12:22 a.m.DEN-YOW
16h 37m2 stops
C$ 501Delta
Find Deal
Sat, 4 Oct - Sat, 18 Oct
Delta Logo
5:55 a.m. - 5:28 p.m.YOW-DEN
13h 33m2 stops
Delta Logo
6:15 a.m. - 6:20 p.m.DEN-YOW
34h 05m2 stops
C$ 593Delta
Find Deal
Tue, 7 Oct - Fri, 10 Oct

Air Canada flights from Ottawa to Colorado

Our best Air Canada deals on Ottawa to Colorado flight tickets
Air Canada
2 Oct
YOW5:15 a.m.Ottawa
14h 03m
2 stops
DEN5:18 p.m.Denver Intl
6 Oct
DEN6:05 p.m.Denver Intl
12h 18m
1 stop
YOW8:23 a.m.Ottawa
C$ 417
Find similar
Air Canada
9 Oct
YOW8:35 a.m.Ottawa
9h 54m
1 stop
DEN4:29 p.m.Denver Intl
13 Oct
DEN6:05 p.m.Denver Intl
12h 18m
1 stop
YOW8:23 a.m.Ottawa
C$ 451
Find similar
Air Canada
9 Oct
YOW9:55 p.m.Ottawa
14h 09m
1 stop
DEN10:04 a.m.Denver Intl
13 Oct
DEN6:05 p.m.Denver Intl
12h 18m
1 stop
YOW8:23 a.m.Ottawa
C$ 480
Find similar

United Airlines flights from Ottawa to Colorado

Our best United Airlines deals on Ottawa to Colorado flight tickets
United Airlines
11 Oct
YOW5:15 a.m.Ottawa
6h 49m
1 stop
DEN10:04 a.m.Denver Intl
18 Oct
DEN1:25 p.m.Denver Intl
6h 10m
1 stop
YOW9:35 p.m.Ottawa
C$ 332
Find similar
United Airlines
3 Oct
YOW5:50 p.m.Ottawa
7h 25m
1 stop
DEN11:15 p.m.Denver Intl
22 Oct
DEN6:00 a.m.Denver Intl
8h 43m
1 stop
YOW4:43 p.m.Ottawa
C$ 345
Find similar
United Airlines
14 Oct
YOW5:25 p.m.Ottawa
15h 17m
1 stop
DEN6:42 a.m.Denver Intl
21 Oct
DEN6:00 a.m.Denver Intl
6h 04m
1 stop
YOW2:04 p.m.Ottawa
C$ 347
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Ottawa to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 11/10

5:15 a.m.-10:04 a.m.

1 stop6h 49m

Denver Intl

Sat 18/10

1:25 p.m.-9:35 p.m.

1 stop6h 10m

C$ 332

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 3/10

5:50 p.m.-11:15 p.m.

1 stop7h 25m

Denver Intl

Wed 22/10

6:00 a.m.-4:43 p.m.

1 stop8h 43m

C$ 345

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 14/10

5:25 p.m.-6:42 a.m.

1 stop15h 17m

Denver Intl

Tue 21/10

6:00 a.m.-2:04 p.m.

1 stop6h 04m

C$ 347

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 14/10

5:50 p.m.-11:15 p.m.

1 stop7h 25m

Denver Intl

Tue 21/10

11:59 p.m.-1:09 p.m.

2 stops11h 10m

C$ 355

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 7/10

3:35 p.m.-3:59 a.m.

2 stops14h 24m

Denver Intl

Tue 21/10

12:36 a.m.-4:57 p.m.

1 stop14h 21m

C$ 396

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 7/10

3:35 p.m.-11:10 a.m.

2 stops21h 35m

Denver Intl

Sat 18/10

12:36 a.m.-4:57 p.m.

1 stop14h 21m

C$ 403

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 2/10

5:15 a.m.-5:18 p.m.

2 stops14h 03m

Denver Intl

Mon 6/10

6:05 p.m.-8:23 a.m.

1 stop12h 18m

C$ 417

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 9/10

8:35 a.m.-4:29 p.m.

1 stop9h 54m

Denver Intl

Mon 13/10

6:05 p.m.-8:23 a.m.

1 stop12h 18m

C$ 451

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 4/10

5:55 a.m.-5:20 p.m.

2 stops13h 25m

Denver Intl

Sat 18/10

5:45 a.m.-12:22 a.m.

2 stops16h 37m

C$ 501

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 7/10

5:55 a.m.-5:28 p.m.

2 stops13h 33m

Denver Intl

Fri 10/10

6:15 a.m.-6:20 p.m.

2 stops34h 05m

C$ 593

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colorado from

How to get the cheapest flight ticket from Ottawa to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colorado?

The cheapest month to fly to Colorado from Ottawa is in September. Flight prices, which tend to average around C$ 448, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in September, then you should wait until November to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 455.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart on your flight to Colorado is on a Saturday when prices can be found for as low as C$ 569. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 750.

What is the cheapest time of day to depart on your flight to Colorado?

According to our data, the cheapest time of day to fly to Colorado is in the evening. momondo users have found flights departing from Ottawa to Colorado in the evening for as low as C$ 632. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around C$ 919. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Colorado from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 634 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Ottawa for as low as C$ 385 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 61% on your flight if you consider stops on a Ottawa to Colorado flight.

Cheap Ottawa to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Colorado

Direct flights

None
There are no direct flights from Ottawa to Colorado. There are no popular flight routes from Ottawa to Colorado.
Search flight deals

  • When did momondo last update prices for flights from Ottawa Airport to Colorado?

    Prices for flights from Ottawa Airport to Colorado are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to Colorado?

  • How old do you have to be to fly from Ottawa Airport to Colorado?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ottawa Airport to Colorado.

  • What documentation or ID do you need to fly to Colorado?

    The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ottawa to Colorado

Compare and see reviews for airlines that fly from Ottawa to Colorado with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 303Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
WestJetPriceFrom C$ 328Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 354Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Ottawa to Colorado with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Colorado from Ottawa with this policy.

How can momondo help me find flights from Ottawa to Colorado?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Ottawa.

I’m not ready to book a flight from Ottawa to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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