What is the cheapest airline that flies from Denver Intl to Ottawa?

Air Canada is the most popular carrier operating from Denver Intl to Ottawa

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

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

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

The number of operators available for flights from Denver Intl Airport to Ottawa Airport is 1 as of October 2025.

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

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 Denver Intl Airport to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents you'll need for your trip to Ottawa Airport 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 Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 206 Cheap Flights from Denver to Ottawa in 2025/26

1 adult

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Find the cheapest flights from Denver to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

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11:59 p.m. - 5:13 p.m.DEN-YOW

15h 14m1 stop

6:00 a.m. - 7:48 p.m.YOW-DEN

15h 48m2 stops

C$ 488Multiple Airlines

Find Deal

Fri, 5 Dec - Thu, 11 Dec

6:22 a.m. - 5:25 p.m.DEN-YOW

9h 03m1 stop

12:10 p.m. - 7:09 p.m.YOW-DEN

32h 59m2 stops

C$ 528Multiple Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

6:22 a.m. - 5:25 p.m.DEN-YOW

9h 03m1 stop

3:55 p.m. - 7:09 p.m.YOW-DEN

29h 14m1 stop

C$ 529Multiple Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

11:59 p.m. - 5:13 p.m.DEN-YOW

15h 14m1 stop

9:35 a.m. - 3:43 p.m.YOW-DEN

32h 08m1 stop

C$ 541Multiple Airlines

Find Deal

Fri, 5 Dec - Thu, 11 Dec

5:55 p.m. - 5:12 p.m.DEN-YOW

21h 17m2 stops

5:14 p.m. - 10:02 a.m.YOW-DEN

18h 48m2 stops

C$ 933United Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

1:25 p.m. - 11:08 p.m.DEN-YOW

7h 43m1 stop

5:35 p.m. - 4:45 p.m.YOW-DEN

25h 10m1 stop

C$ 970Air Canada

Find Deal

Tue, 23 Dec - Tue, 6 Jan

5:30 p.m. - 1:38 a.m.DEN-YOW

6h 08m1 stop

5:35 p.m. - 4:45 p.m.YOW-DEN

25h 10m1 stop

C$ 971Air Canada

Find Deal

Tue, 23 Dec - Tue, 6 Jan

8:45 p.m. - 4:50 p.m.DEN-YOW

18h 05m2 stops

6:52 a.m. - 6:18 p.m.YOW-DEN

13h 26m2 stops

C$ 1,007United Airlines

Find Deal

Tue, 7 Apr - Thu, 9 Apr

12:35 p.m. - 12:41 a.m.DEN-YOW

10h 06m2 stops

6:45 a.m. - 11:16 p.m.YOW-DEN

18h 31m2 stops

C$ 1,119American Airlines

Find Deal

Tue, 23 Dec - Tue, 6 Jan

5:00 a.m. - 4:51 p.m.DEN-YOW

9h 51m2 stops

6:45 a.m. - 10:34 p.m.YOW-DEN

17h 49m3 stops

C$ 1,179American Airlines

Find Deal

Tue, 23 Dec - Tue, 6 Jan

United Airlines flights from Denver to Ottawa

Our best United Airlines deals on Denver to Ottawa flight tickets

United Airlines

25 Nov

DEN5:55 p.m.Denver Intl

21h 17m

2 stops

YOW5:12 p.m.Ottawa

2 Dec

YOW5:14 p.m.Ottawa

18h 48m

2 stops

DEN10:02 a.m.Denver Intl

C$ 933

Find similar

United Airlines

7 Apr

DEN8:45 p.m.Denver Intl

18h 05m

2 stops

YOW4:50 p.m.Ottawa

9 Apr

YOW6:52 a.m.Ottawa

13h 26m

2 stops

DEN6:18 p.m.Denver Intl

C$ 1,007

Find similar

United Airlines

7 Apr

DEN8:44 p.m.Denver Intl

15h 01m

2 stops

YOW1:45 p.m.Ottawa

9 Apr

YOW6:52 a.m.Ottawa

13h 26m

2 stops

DEN6:18 p.m.Denver Intl

C$ 1,018

Find similar

Air Canada flights from Denver to Ottawa

Our best Air Canada deals on Denver to Ottawa flight tickets

Air Canada

23 Dec

DEN1:25 p.m.Denver Intl

7h 43m

1 stop

YOW11:08 p.m.Ottawa

6 Jan

YOW5:35 p.m.Ottawa

25h 10m

1 stop

DEN4:45 p.m.Denver Intl

C$ 970

Find similar

Air Canada

23 Dec

DEN5:30 p.m.Denver Intl

6h 08m

1 stop

YOW1:38 a.m.Ottawa

6 Jan

YOW5:35 p.m.Ottawa

25h 10m

1 stop

DEN4:45 p.m.Denver Intl

C$ 971

Find similar

Air Canada

21 Nov

DEN5:30 p.m.Denver Intl

6h 08m

1 stop

YOW1:38 a.m.Ottawa

23 Nov

YOW5:25 p.m.Ottawa

17h 28m

1 stop

DEN8:53 a.m.Denver Intl

C$ 1,016

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/12

11:59 p.m.-5:13 p.m.

1 stop15h 14m

Ottawa

Thu 11/12

6:00 a.m.-7:48 p.m.

2 stops15h 48m

C$ 488

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 25/11

6:22 a.m.-5:25 p.m.

1 stop9h 03m

Ottawa

Tue 2/12

12:10 p.m.-7:09 p.m.

2 stops32h 59m

C$ 528

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 25/11

6:22 a.m.-5:25 p.m.

1 stop9h 03m

Ottawa

Tue 2/12

3:55 p.m.-7:09 p.m.

1 stop29h 14m

C$ 529

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/12

11:59 p.m.-5:13 p.m.

1 stop15h 14m

Ottawa

Thu 11/12

9:35 a.m.-3:43 p.m.

1 stop32h 08m

C$ 541

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 25/11

5:55 p.m.-5:12 p.m.

2 stops21h 17m

Ottawa

Tue 2/12

5:14 p.m.-10:02 a.m.

2 stops18h 48m

C$ 933

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 23/12

1:25 p.m.-11:08 p.m.

1 stop7h 43m

Ottawa

Tue 6/1

5:35 p.m.-4:45 p.m.

1 stop25h 10m

C$ 970

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 23/12

5:30 p.m.-1:38 a.m.

1 stop6h 08m

Ottawa

Tue 6/1

5:35 p.m.-4:45 p.m.

1 stop25h 10m

C$ 971

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 7/4

8:45 p.m.-4:50 p.m.

2 stops18h 05m

Ottawa

Thu 9/4

6:52 a.m.-6:18 p.m.

2 stops13h 26m

C$ 1,007

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 23/12

12:35 p.m.-12:41 a.m.

2 stops10h 06m

Ottawa

Tue 6/1

6:45 a.m.-11:16 p.m.

2 stops18h 31m

C$ 1,119

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 23/12

5:00 a.m.-4:51 p.m.

2 stops9h 51m

Ottawa

Tue 6/1

6:45 a.m.-10:34 p.m.

3 stops17h 49m

C$ 1,179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Ottawa

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

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from Denver to Ottawa during this time can be as low as C$ 823. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,132 per ticket.

Can stopping save me money on Denver to Ottawa flights?

You could potentially save up to 26% on your flight if you consider stops on a Denver to Ottawa flight.

How have Denver to Ottawa flight prices changed over time?

When to book flights from Denver to Ottawa

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Denver Intl to Ottawa by plane?
The straight-line distance from Denver Intl to Ottawa is 2463.0 km. By plane, this route typically takes 5h 49m.
When did momondo last update prices for flights from Denver Intl Airport to Ottawa Airport?
Prices for flights from Denver Intl Airport to Ottawa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Ottawa Airport?
The number of operators available for flights from Denver Intl Airport to Ottawa Airport is 1 as of October 2025.
How old do you have to be to fly from Denver Intl Airport to Ottawa Airport?
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 Denver Intl Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents you'll need for your trip to Ottawa Airport 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 Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Denver to Ottawa?
momondo data reveals that the most frequently booked airline on the route from Denver to Ottawa is United Airlines, representing 100% of all bookings.

Best airlines flying from Denver to Ottawa

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 246	Free Cancellation	Rating 7.4 8,998 reviews		Search United Airlines flights

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Prescott

Petawawa

Why use momondo?

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

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

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Ottawa.

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

Of course. momondo tracks the price of Denver to Ottawa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.