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

WestJet and Delta are the most popular carriers 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 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$ 273 Cheap Flights from Denver to Ottawa in 2026/27

Find the cheapest flights from Denver to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

27h 00m1 stop Calgary

4:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

21h 05m1 stop Calgary

C$ 524WestJet

Thu, 1 Oct - Sat, 10 Oct

12:15 p.m. - 12:30 p.m.DEN Denver Intl-YOW Ottawa

22h 15m2 stops Calgary Edmonton

4:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

21h 05m1 stop Calgary

C$ 531WestJet

Thu, 1 Oct - Sat, 10 Oct

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

15h 20m1 stop Calgary

4:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

21h 05m1 stop Calgary

C$ 580WestJet

Sun, 27 Sep - Sat, 3 Oct

12:15 p.m. - 12:30 p.m.DEN Denver Intl-YOW Ottawa

22h 15m2 stops Calgary Edmonton

6:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

19h 05m2 stops Edmonton Calgary

C$ 583WestJet

Fri, 2 Oct - Sun, 11 Oct

12:15 p.m. - 12:30 p.m.DEN Denver Intl-YOW Ottawa

22h 15m2 stops Calgary Edmonton

6:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

19h 05m2 stops Edmonton Calgary

C$ 584WestJet

Thu, 1 Oct - Sat, 10 Oct

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

15h 20m1 stop Calgary

1:20 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

24h 00m1 stop Calgary

C$ 587WestJet

Fri, 2 Oct - Sun, 11 Oct

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

15h 20m1 stop Calgary

6:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

19h 05m2 stops Edmonton Calgary

C$ 595WestJet

Fri, 2 Oct - Sun, 11 Oct

12:15 p.m. - 11:35 a.m.DEN Denver Intl-YOW Ottawa

21h 20m2 stops Calgary Winnipeg

4:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

21h 05m1 stop Calgary

C$ 600WestJet

Sun, 27 Sep - Sat, 3 Oct

12:15 p.m. - 12:30 p.m.DEN Denver Intl-YOW Ottawa

22h 15m2 stops Calgary Edmonton

6:25 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

18h 55m3 stops Toronto Pearson Intl Winnipeg Calgary

C$ 614WestJet

Thu, 1 Oct - Sat, 10 Oct

12:15 p.m. - 12:30 p.m.DEN Denver Intl-YOW Ottawa

22h 15m2 stops Calgary Edmonton

6:15 p.m. - 11:20 a.m.YOW Ottawa-DEN Denver Intl

19h 05m2 stops Edmonton Calgary

C$ 619WestJet

Sun, 27 Sep - Sat, 3 Oct

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Delta flights from Denver to Ottawa

Our best Delta deals on Denver to Ottawa flight tickets

Delta

2 Oct

DEN10:28 a.m.Denver Intl

11h 52m

2 stops

YOW12:20 a.m.Ottawa

11 Oct

YOW6:55 a.m.Ottawa

16h 56m

2 stops

DEN9:51 p.m.Denver Intl

C$ 756

Delta

23 Oct

DEN12:59 a.m.Denver Intl

14h 36m

2 stops

YOW5:35 p.m.Ottawa

1 Nov

YOW5:30 a.m.Ottawa

11h 37m

2 stops

DEN3:07 p.m.Denver Intl

C$ 828

Delta

26 Oct

DEN10:41 a.m.Denver Intl

12h 03m

2 stops

YOW12:44 a.m.Ottawa

1 Nov

YOW5:30 a.m.Ottawa

11h 37m

2 stops

DEN3:07 p.m.Denver Intl

C$ 867

Air Canada flights from Denver to Ottawa

Our best Air Canada deals on Denver to Ottawa flight tickets

Air Canada

30 Oct

DEN11:39 a.m.Denver Intl

9h 32m

1 stop

YOW11:11 p.m.Ottawa

31 Oct

YOW7:45 a.m.Ottawa

12h 28m

1 stop

DEN6:13 p.m.Denver Intl

C$ 879

Air Canada

1 Oct

DEN11:35 a.m.Denver Intl

7h 45m

1 stop

YOW9:20 p.m.Ottawa

4 Oct

YOW6:00 a.m.Ottawa

6h 31m

1 stop

DEN10:31 a.m.Denver Intl

C$ 1,135

Air Canada

1 Oct

DEN6:00 a.m.Denver Intl

11h 52m

2 stops

YOW7:52 p.m.Ottawa

4 Oct

YOW6:00 a.m.Ottawa

6h 31m

1 stop

DEN10:31 a.m.Denver Intl

C$ 1,257

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 1/10

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

1 stop27h 00m

Ottawa

Sat 10/10

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 524

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 1/10

12:15 p.m.-12:30 p.m.

2 stops22h 15m

Ottawa

Sat 10/10

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 531

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sun 27/9

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

1 stop15h 20m

Ottawa

Sat 3/10

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 580

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 2/10

12:15 p.m.-12:30 p.m.

2 stops22h 15m

Ottawa

Sun 11/10

6:15 p.m.-11:20 a.m.

2 stops19h 05m

C$ 583

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 1/10

12:15 p.m.-12:30 p.m.

2 stops22h 15m

Ottawa

Sat 10/10

6:15 p.m.-11:20 a.m.

2 stops19h 05m

C$ 584

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 2/10

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

1 stop15h 20m

Ottawa

Sun 11/10

1:20 p.m.-11:20 a.m.

1 stop24h 00m

C$ 587

Quickest 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

Sun 11/10

6:15 p.m.-11:20 a.m.

2 stops19h 05m

C$ 595

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sun 27/9

12:15 p.m.-11:35 a.m.

2 stops21h 20m

Ottawa

Sat 3/10

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 600

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 1/10

12:15 p.m.-12:30 p.m.

2 stops22h 15m

Ottawa

Sat 10/10

6:25 p.m.-11:20 a.m.

3 stops18h 55m

C$ 614

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sun 27/9

12:15 p.m.-12:30 p.m.

2 stops22h 15m

Ottawa

Sat 3/10

6:15 p.m.-11:20 a.m.

2 stops19h 05m

C$ 619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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$ 1,106 to C$ 1,224.
The lowest price recently found on this route was C$ 524.

What is the cheapest month to fly to Ottawa?

The month of October is, on average, the cheapest month to fly to Ottawa from Denver, with most prices found around C$ 586. If you aren’t able to travel to Ottawa during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of C$ 964.

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

Best price found	C$ 273
Fastest flight time	5h 59m
Direct flights	None

The best one-way flight to Ottawa from Denver in the past 72 hours is C$ 273. The best round-trip flight deal from Denver to Ottawa found on momondo in the last 72 hours is C$ 524.

The fastest flight from Denver to Ottawa takes 5h 59m

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 5h 59m.
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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Calabogie

Wakefield

Petawawa

Prescott

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.