Which layover airport has the shortest travel time from Ottawa to Denver?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 6h 21m.

Which layover airport has the shortest connection time from Ottawa to Denver?

Washington, D.C. (IAD) has the shortest average layover time for this route: 0h 54m.

Which airlines fly to Denver?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Denver from Ottawa according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Ottawa and Denver?

Chicago (ORD) was the most common stop: 43% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ottawa to Denver?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 445.

When did momondo last update prices for flights from Ottawa Airport to Denver Intl Airport?

Prices for flights from Ottawa Airport to Denver Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ottawa Airport to Denver Intl Airport?

The number of operators available for flights from Ottawa Airport to Denver Intl Airport is 3 as of December 2025.

How old do you have to be to fly from Ottawa Airport to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 218 Cheap Flights from Ottawa to Denver in 2025/26

1 adult

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9:40 a.m. - 7:59 p.m.

YOW

DEN

12h 19m1 stop

9:20 p.m. - 2:45 p.m.

DEN

YOW

39h 25m2 stops

C$ 442Multiple Airlines

Thu, 8 Jan - Wed, 14 Jan

9:30 a.m. - 5:36 p.m.

YOW

DEN

10h 06m1 stop

8:50 a.m. - 12:25 a.m.

DEN

YOW

13h 35m2 stops

C$ 461Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

9:40 a.m. - 7:59 p.m.

YOW

DEN

12h 19m1 stop

10:22 a.m. - 5:15 p.m.

DEN

YOW

28h 53m1 stop

C$ 542Multiple Airlines

Thu, 8 Jan - Wed, 14 Jan

9:40 a.m. - 3:16 p.m.

YOW

DEN

31h 36m1 stop

6:32 p.m. - 11:58 p.m.

DEN

YOW

27h 26m1 stop

C$ 633Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

5:40 a.m. - 5:28 p.m.

YOW

DEN

13h 48m2 stops

10:34 a.m. - 12:39 a.m.

DEN

YOW

12h 05m2 stops

C$ 668Delta

Thu, 29 Jan - Thu, 5 Feb

5:40 a.m. - 8:44 p.m.

YOW

DEN

17h 04m2 stops

10:34 a.m. - 12:42 a.m.

DEN

YOW

12h 08m2 stops

C$ 782Delta

Thu, 8 Jan - Wed, 14 Jan

8:55 p.m. - 7:09 p.m.

YOW

DEN

24h 14m2 stops

11:59 p.m. - 11:58 p.m.

DEN

YOW

21h 59m1 stop

C$ 790Multiple Airlines

Tue, 30 Dec - Mon, 5 Jan

5:40 a.m. - 5:24 p.m.

YOW

DEN

13h 44m2 stops

7:05 a.m. - 12:39 a.m.

DEN

YOW

15h 34m2 stops

C$ 840Delta

Thu, 19 Feb - Tue, 24 Feb

7:45 a.m. - 4:30 p.m.

YOW

DEN

10h 45m1 stop

6:00 a.m. - 9:18 p.m.

DEN

YOW

13h 18m1 stop

C$ 915Air Canada

Thu, 15 Jan - Sun, 18 Jan

7:45 a.m. - 5:44 p.m.

YOW

DEN

11h 59m1 stop

6:00 a.m. - 5:41 p.m.

DEN

YOW

9h 41m2 stops

C$ 920Air Canada

Thu, 15 Jan - Sun, 18 Jan

Delta flights from Ottawa to Denver

Our best Delta deals on Ottawa to Denver flight tickets

Delta

29 Jan

YOW5:40 a.m.Ottawa

13h 48m

2 stops

DEN5:28 p.m.Denver Intl

5 Feb

DEN10:34 a.m.Denver Intl

12h 05m

2 stops

YOW12:39 a.m.Ottawa

C$ 668

Find similar

Delta

8 Jan

YOW5:40 a.m.Ottawa

17h 04m

2 stops

DEN8:44 p.m.Denver Intl

14 Jan

DEN10:34 a.m.Denver Intl

12h 08m

2 stops

YOW12:42 a.m.Ottawa

C$ 782

Find similar

Delta

19 Feb

YOW5:40 a.m.Ottawa

13h 44m

2 stops

DEN5:24 p.m.Denver Intl

24 Feb

DEN7:05 a.m.Denver Intl

15h 34m

2 stops

YOW12:39 a.m.Ottawa

C$ 840

Find similar

Air Canada flights from Ottawa to Denver

Our best Air Canada deals on Ottawa to Denver flight tickets

Air Canada

15 Jan

YOW7:45 a.m.Ottawa

10h 45m

1 stop

DEN4:30 p.m.Denver Intl

18 Jan

DEN6:00 a.m.Denver Intl

13h 18m

1 stop

YOW9:18 p.m.Ottawa

C$ 915

Find similar

Air Canada

15 Jan

YOW7:45 a.m.Ottawa

11h 59m

1 stop

DEN5:44 p.m.Denver Intl

18 Jan

DEN6:00 a.m.Denver Intl

9h 41m

2 stops

YOW5:41 p.m.Ottawa

C$ 920

Find similar

Air Canada

19 Feb

YOW7:45 a.m.Ottawa

10h 48m

1 stop

DEN4:33 p.m.Denver Intl

24 Feb

DEN7:05 p.m.Denver Intl

9h 38m

1 stop

YOW6:43 a.m.Ottawa

C$ 933

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/1

9:40 a.m.-7:59 p.m.

1 stop12h 19m

Denver Intl

Wed 14/1

9:20 p.m.-2:45 p.m.

2 stops39h 25m

C$ 442

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 29/1

9:30 a.m.-5:36 p.m.

1 stop10h 06m

Denver Intl

Thu 5/2

8:50 a.m.-12:25 a.m.

2 stops13h 35m

C$ 461

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/1

9:40 a.m.-7:59 p.m.

1 stop12h 19m

Denver Intl

Wed 14/1

10:22 a.m.-5:15 p.m.

1 stop28h 53m

C$ 542

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 29/1

9:40 a.m.-3:16 p.m.

1 stop31h 36m

Denver Intl

Thu 5/2

6:32 p.m.-11:58 p.m.

1 stop27h 26m

C$ 633

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 29/1

5:40 a.m.-5:28 p.m.

2 stops13h 48m

Denver Intl

Thu 5/2

10:34 a.m.-12:39 a.m.

2 stops12h 05m

C$ 668

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/1

5:40 a.m.-8:44 p.m.

2 stops17h 04m

Denver Intl

Wed 14/1

10:34 a.m.-12:42 a.m.

2 stops12h 08m

C$ 782

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 30/12

8:55 p.m.-7:09 p.m.

2 stops24h 14m

Denver Intl

Mon 5/1

11:59 p.m.-11:58 p.m.

1 stop21h 59m

C$ 790

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 19/2

5:40 a.m.-5:24 p.m.

2 stops13h 44m

Denver Intl

Tue 24/2

7:05 a.m.-12:39 a.m.

2 stops15h 34m

C$ 840

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 15/1

7:45 a.m.-4:30 p.m.

1 stop10h 45m

Denver Intl

Sun 18/1

6:00 a.m.-9:18 p.m.

1 stop13h 18m

C$ 915

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 15/1

7:45 a.m.-5:44 p.m.

1 stop11h 59m

Denver Intl

Sun 18/1

6:00 a.m.-5:41 p.m.

2 stops9h 41m

C$ 920

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Denver

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

Prices

Airlines

Layovers

What is the cheapest month to fly to Denver?

In general, September is the cheapest month to fly from Ottawa to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 447. If you aren’t able to travel during the month of September, then book flights to Denver from Ottawa during October instead. Flights to Denver in October, while not as cheap as those in September, still average around C$ 457.

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

The cheapest day to depart from Ottawa to Denver is on a Saturday. Travellers who choose to depart for Denver on a Saturday will often find tickets for as low as C$ 570. 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$ 751.

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

Our most recent data shows that the best time of day to fly to Denver is in the evening. Flights from Ottawa to Denver during this time can be as low as C$ 632. Try not to purchase tickets at noon because they tend to be around C$ 920. 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 Denver?

You are more likely to see cheaper flights to Denver from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 672 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Ottawa for as low as C$ 385 on momondo.

How have Ottawa to Denver flight prices changed over time?

As of December 2025, prices for Ottawa to Denver flights are approximately 188% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Denver (YOW to DEN) flight deals and tips

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

Fastest flight time	6h 00m
Direct flights	None

The fastest flight from Ottawa to Denver takes 6h 00m

There are no direct flights from Ottawa to Denver. There are no popular flight routes from Ottawa to Denver.

Search flight deals

How far is Ottawa to Denver Intl by plane?
A flight from Ottawa to Denver Intl will travel around 2463.0 km. 6h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Ottawa Airport to Denver Intl Airport?
Prices for flights from Ottawa Airport to Denver Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to Denver Intl Airport?
The number of operators available for flights from Ottawa Airport to Denver Intl Airport is 3 as of December 2025.
How old do you have to be to fly from Ottawa Airport to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ottawa to Denver?
Based on momondo bookings for flights between Ottawa and Denver, the leading airline is Air Canada, making up 54% of the total bookings. Other popular airlines include United Airlines with 35% and WestJet with 11%.

Best airlines flying from Ottawa to Denver

Compare and see reviews for airlines that fly from Ottawa to Denver with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 303	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 328	Free Cancellation	Rating 7.2 3,202 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 429	Free Cancellation	Rating 7.1 10,527 reviews	Search Air Canada flights

Silverthorne

Wheat Ridge

Winter Park

Lakewood

Longmont

Fort Collins

Boulder

Englewood

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Ottawa.

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

Flights from Ottawa to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ottawa to Denver flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Ottawa to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.