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

Delta and United Airlines 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 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 December 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$ 175 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 a.m. - 5:15 p.m.

DEN

YOW

8h 15m1 stop

7:00 a.m. - 11:54 a.m.

YOW

DEN

30h 54m2 stops

C$ 442Multiple Airlines

Mon, 2 Feb - Mon, 9 Feb

6:10 a.m. - 5:25 p.m.

DEN

YOW

9h 15m1 stop

9:40 a.m. - 8:00 p.m.

YOW

DEN

12h 20m1 stop

C$ 451Multiple Airlines

Thu, 8 Jan - Sat, 17 Jan

9:50 a.m. - 5:25 p.m.

DEN

YOW

29h 35m1 stop

7:00 a.m. - 5:03 p.m.

YOW

DEN

36h 03m2 stops

C$ 462Multiple Airlines

Tue, 13 Jan - Tue, 20 Jan

6:31 p.m. - 5:13 p.m.

DEN

YOW

20h 42m1 stop

3:55 p.m. - 1:37 a.m.

YOW

DEN

11h 42m1 stop

C$ 463Multiple Airlines

Mon, 12 Jan - Wed, 14 Jan

12:00 p.m. - 2:45 p.m.

DEN

YOW

24h 45m2 stops

9:40 a.m. - 8:00 p.m.

YOW

DEN

12h 20m1 stop

C$ 464Multiple Airlines

Thu, 8 Jan - Sat, 17 Jan

10:29 p.m. - 12:42 a.m.

DEN

YOW

24h 13m2 stops

9:40 a.m. - 12:55 a.m.

YOW

DEN

17h 15m1 stop

C$ 478Multiple Airlines

Thu, 8 Jan - Thu, 15 Jan

6:27 p.m. - 5:25 p.m.

DEN

YOW

20h 58m2 stops

9:30 a.m. - 10:00 a.m.

YOW

DEN

26h 30m1 stop

C$ 524Multiple Airlines

Tue, 13 Jan - Tue, 20 Jan

7:00 a.m. - 5:15 p.m.

DEN

YOW

8h 15m1 stop

9:40 a.m. - 8:00 p.m.

YOW

DEN

12h 20m1 stop

C$ 526Multiple Airlines

Mon, 2 Feb - Mon, 9 Feb

9:06 p.m. - 5:25 p.m.

DEN

YOW

18h 19m2 stops

9:40 a.m. - 8:00 p.m.

YOW

DEN

12h 20m1 stop

C$ 529Multiple Airlines

Mon, 16 Feb - Mon, 23 Feb

5:01 p.m. - 5:13 p.m.

DEN

YOW

22h 12m1 stop

7:00 a.m. - 9:45 p.m.

YOW

DEN

16h 45m2 stops

C$ 550Multiple Airlines

Sun, 1 Feb - Sun, 8 Feb

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

WestJet

15 May

DEN12:15 p.m.Denver Intl

10h 25m

1 stop

YOW12:40 a.m.Ottawa

18 May

YOW6:15 a.m.Ottawa

31h 10m

2 stops

DEN11:25 a.m.Denver Intl

C$ 554

Find similar

WestJet

15 May

DEN12:15 p.m.Denver Intl

15h 13m

2 stops

YOW5:28 a.m.Ottawa

18 May

YOW6:15 a.m.Ottawa

31h 10m

2 stops

DEN11:25 a.m.Denver Intl

C$ 568

Find similar

WestJet

23 Dec

DEN6:00 a.m.Denver Intl

16h 42m

2 stops

YOW12:42 a.m.Ottawa

6 Jan

YOW5:40 a.m.Ottawa

34h 20m

2 stops

DEN2:00 p.m.Denver Intl

C$ 1,499

Find similar

United Airlines flights from Denver to Ottawa

Our best United Airlines deals on Denver to Ottawa flight tickets

United Airlines

26 Feb

DEN8:01 a.m.Denver Intl

11h 17m

2 stops

YOW9:18 p.m.Ottawa

2 Mar

YOW5:11 p.m.Ottawa

15h 54m

2 stops

DEN7:05 a.m.Denver Intl

C$ 936

Find similar

United Airlines

29 Jan

DEN7:50 a.m.Denver Intl

14h 04m

1 stop

YOW11:54 p.m.Ottawa

2 Feb

YOW9:45 a.m.Ottawa

11h 41m

1 stop

DEN7:26 p.m.Denver Intl

C$ 941

Find similar

United Airlines

8 Jan

DEN6:05 p.m.Denver Intl

21h 07m

2 stops

YOW5:12 p.m.Ottawa

15 Jan

YOW6:00 a.m.Ottawa

16h 13m

2 stops

DEN8:13 p.m.Denver Intl

C$ 951

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 2/2

7:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Mon 9/2

7:00 a.m.-11:54 a.m.

2 stops30h 54m

C$ 442

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 8/1

6:10 a.m.-5:25 p.m.

1 stop9h 15m

Ottawa

Sat 17/1

9:40 a.m.-8:00 p.m.

1 stop12h 20m

C$ 451

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 13/1

9:50 a.m.-5:25 p.m.

1 stop29h 35m

Ottawa

Tue 20/1

7:00 a.m.-5:03 p.m.

2 stops36h 03m

C$ 462

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 12/1

6:31 p.m.-5:13 p.m.

1 stop20h 42m

Ottawa

Wed 14/1

3:55 p.m.-1:37 a.m.

1 stop11h 42m

C$ 463

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 8/1

12:00 p.m.-2:45 p.m.

2 stops24h 45m

Ottawa

Sat 17/1

9:40 a.m.-8:00 p.m.

1 stop12h 20m

C$ 464

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 8/1

10:29 p.m.-12:42 a.m.

2 stops24h 13m

Ottawa

Thu 15/1

9:40 a.m.-12:55 a.m.

1 stop17h 15m

C$ 478

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 13/1

6:27 p.m.-5:25 p.m.

2 stops20h 58m

Ottawa

Tue 20/1

9:30 a.m.-10:00 a.m.

1 stop26h 30m

C$ 524

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 2/2

7:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Mon 9/2

9:40 a.m.-8:00 p.m.

1 stop12h 20m

C$ 526

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 16/2

9:06 p.m.-5:25 p.m.

2 stops18h 19m

Ottawa

Mon 23/2

9:40 a.m.-8:00 p.m.

1 stop12h 20m

C$ 529

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 1/2

5:01 p.m.-5:13 p.m.

1 stop22h 12m

Ottawa

Sun 8/2

7:00 a.m.-9:45 p.m.

2 stops16h 45m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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$ 814. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,120 per ticket.

Can stopping save me money on Denver to Ottawa flights?

You could potentially save up to 59% 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

Fastest flight time	8h 15m
Direct flights	None

The fastest flight from Denver to Ottawa takes 8h 15m

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 8h 15m.
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 December 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$ 243	Free Cancellation	Rating 7.4 9,091 reviews		Search United Airlines flights

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

Wakefield

Prescott

Petawawa

Calabogie

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.