C$ 242 Cheap Flights from Denver to Ottawa in 2026 | momondo

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Find the cheapest flights from Denver to Ottawa

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One-way

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Cheap round-trip flights

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12:15 p.m. - 5:35 a.m.DEN Denver Intl-YOW Ottawa

15h 20m1 stop Calgary

7:20 a.m. - 11:48 p.m.YOW Ottawa-DEN Denver Intl

18h 28m2 stops Calgary Phoenix Sky Harbor Intl

C$ 572Multiple Airlines

Fri, 2 Oct - Mon, 5 Oct

12:15 p.m. - 5:35 a.m.DEN Denver Intl-YOW Ottawa

15h 20m1 stop Calgary

7:20 a.m. - 9:00 a.m.YOW Ottawa-DEN Denver Intl

27h 40m2 stops Calgary Phoenix Sky Harbor Intl

C$ 581Multiple Airlines

Thu, 8 Oct - Sun, 18 Oct

12:15 p.m. - 5:35 a.m.DEN Denver Intl-YOW Ottawa

15h 20m1 stop Calgary

7:20 a.m. - 11:48 p.m.YOW Ottawa-DEN Denver Intl

18h 28m2 stops Calgary Phoenix Sky Harbor Intl

C$ 583Multiple Airlines

Thu, 1 Oct - Mon, 5 Oct

11:59 p.m. - 5:23 p.m.DEN Denver Intl-YOW Ottawa

15h 24m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

4:15 p.m. - 8:07 a.m.YOW Ottawa-DEN Denver Intl

17h 52m1 stop Orlando

C$ 592Multiple Airlines

Mon, 31 Aug - Mon, 7 Sep

11:59 p.m. - 5:23 p.m.DEN Denver Intl-YOW Ottawa

15h 24m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

4:15 p.m. - 8:24 a.m.YOW Ottawa-DEN Denver Intl

18h 09m1 stop Orlando

C$ 603Multiple Airlines

Tue, 25 Aug - Mon, 19 Oct

11:59 p.m. - 5:23 p.m.DEN Denver Intl-YOW Ottawa

15h 24m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

4:15 p.m. - 8:24 a.m.YOW Ottawa-DEN Denver Intl

18h 09m1 stop Orlando

C$ 603Multiple Airlines

Mon, 24 Aug - Mon, 19 Oct

11:59 p.m. - 5:23 p.m.DEN Denver Intl-YOW Ottawa

15h 24m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

4:15 p.m. - 8:24 a.m.YOW Ottawa-DEN Denver Intl

18h 09m1 stop Orlando

C$ 606Multiple Airlines

Wed, 26 Aug - Mon, 19 Oct

11:59 p.m. - 5:23 p.m.DEN Denver Intl-YOW Ottawa

15h 24m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

7:00 a.m. - 7:33 a.m.YOW Ottawa-DEN Denver Intl

26h 33m1 stop Orlando

C$ 610Multiple Airlines

Sat, 29 Aug - Sat, 5 Sep

12:15 p.m. - 5:35 a.m.DEN Denver Intl-YOW Ottawa

15h 20m1 stop Calgary

7:20 a.m. - 12:15 a.m.YOW Ottawa-DEN Denver Intl

18h 55m2 stops Calgary Las Vegas Harry Reid Intl

C$ 617Multiple Airlines

Mon, 5 Oct - Thu, 8 Oct

11:59 p.m. - 4:44 p.m.DEN Denver Intl-YOW Ottawa

14h 45m1 stop Orlando

10:35 a.m. - 8:04 p.m.YOW Ottawa-DEN Denver Intl

11h 29m2 stops Newark Dallas/Fort Worth

C$ 635Multiple Airlines

Wed, 11 Nov - Sat, 14 Nov

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WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

WestJet

26 Aug

DEN12:15 p.m.Denver Intl

22h 15m

2 stops

YOW12:30 p.m.Ottawa

30 Aug

YOW4:15 p.m.Ottawa

21h 05m

1 stop

DEN11:20 a.m.Denver Intl

C$ 692

WestJet

29 Aug

DEN12:15 p.m.Denver Intl

15h 20m

1 stop

YOW5:35 a.m.Ottawa

5 Sep

YOW4:15 p.m.Ottawa

21h 05m

1 stop

DEN11:20 a.m.Denver Intl

C$ 737

WestJet

26 Aug

DEN12:15 p.m.Denver Intl

22h 15m

2 stops

YOW12:30 p.m.Ottawa

30 Aug

YOW6:55 a.m.Ottawa

30h 25m

2 stops

DEN11:20 a.m.Denver Intl

C$ 746

American Airlines flights from Denver to Ottawa

Our best American Airlines deals on Denver to Ottawa flight tickets

American Airlines

14 Aug

DEN11:59 p.m.Denver Intl

18h 11m

3 stops

YOW8:10 p.m.Ottawa

16 Aug

YOW7:00 a.m.Ottawa

18h 59m

2 stops

DEN11:59 p.m.Denver Intl

C$ 1,571

American Airlines

14 Aug

DEN11:59 p.m.Denver Intl

18h 11m

3 stops

YOW8:10 p.m.Ottawa

16 Aug

YOW8:40 a.m.Ottawa

15h 36m

3 stops

DEN10:16 p.m.Denver Intl

C$ 1,681

American Airlines

6 Aug

DEN5:06 a.m.Denver Intl

14h 14m

3 stops

YOW9:20 p.m.Ottawa

10 Aug

YOW8:40 a.m.Ottawa

17h 19m

2 stops

DEN11:59 p.m.Denver Intl

C$ 2,349

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 2/10

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Mon 5/10

7:20 a.m.-11:48 p.m.

2 stops18h 28m

C$ 572

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 8/10

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Sun 18/10

7:20 a.m.-9:00 a.m.

2 stops27h 40m

C$ 581

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 1/10

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Mon 5/10

7:20 a.m.-11:48 p.m.

2 stops18h 28m

C$ 583

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Mon 31/8

11:59 p.m.-5:23 p.m.

2 stops15h 24m

Ottawa

Mon 7/9

4:15 p.m.-8:07 a.m.

1 stop17h 52m

C$ 592

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 25/8

11:59 p.m.-5:23 p.m.

2 stops15h 24m

Ottawa

Mon 19/10

4:15 p.m.-8:24 a.m.

1 stop18h 09m

C$ 603

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Mon 24/8

11:59 p.m.-5:23 p.m.

2 stops15h 24m

Ottawa

Mon 19/10

4:15 p.m.-8:24 a.m.

1 stop18h 09m

C$ 603

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 26/8

11:59 p.m.-5:23 p.m.

2 stops15h 24m

Ottawa

Mon 19/10

4:15 p.m.-8:24 a.m.

1 stop18h 09m

C$ 606

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sat 29/8

11:59 p.m.-5:23 p.m.

2 stops15h 24m

Ottawa

Sat 5/9

7:00 a.m.-7:33 a.m.

1 stop26h 33m

C$ 610

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Mon 5/10

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Thu 8/10

7:20 a.m.-12:15 a.m.

2 stops18h 55m

C$ 617

Quickest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 11/11

11:59 p.m.-4:44 p.m.

1 stop14h 45m

Ottawa

Sat 14/11

10:35 a.m.-8:04 p.m.

2 stops11h 29m

C$ 635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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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 typical price of a round-trip flight between Denver and Ottawa?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,079 to C$ 1,147.
The lowest price recently found on this route was C$ 572.

What is the cheapest month to fly to Ottawa?

The month of November is, on average, the cheapest month to fly to Ottawa from Denver, with most prices found around C$ 0. If you aren’t able to travel to Ottawa during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 558.

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

Fastest flight time	10h 25m
Direct flights	None

The fastest flight from Denver to Ottawa takes 10h 25m

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

Search flight deals

Frequently asked questions about flying from Denver to Ottawa

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 10h 25m.
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 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.

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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.

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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.

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