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 February 2026.

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$ 258 Cheap Flights from Denver to Ottawa in 2026

1 adult

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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.

5:20 p.m. - 5:25 p.m.

DEN

YOW

22h 05m

2 stops

9:30 a.m. - 11:09 p.m.

YOW

DEN

15h 39m

1 stop

C$ 503Multiple Airlines

Tue, 3 Mar - Tue, 10 Mar

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

DEN

YOW

22h 15m

2 stops

5:15 p.m. - 11:25 a.m.

YOW

DEN

20h 10m

2 stops

C$ 548WestJet

Fri, 19 Jun - Tue, 23 Jun

9:06 p.m. - 12:25 a.m.

DEN

YOW

25h 19m

2 stops

4:20 p.m. - 8:20 a.m.

YOW

DEN

18h 00m

1 stop

C$ 560Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

12:15 p.m. - 3:25 p.m.

DEN

YOW

25h 10m

1 stop

5:15 p.m. - 11:25 a.m.

YOW

DEN

20h 10m

2 stops

C$ 578WestJet

Fri, 19 Jun - Tue, 23 Jun

12:15 p.m. - 3:25 p.m.

DEN

YOW

25h 10m

1 stop

3:45 p.m. - 11:25 a.m.

YOW

DEN

21h 40m

1 stop

C$ 586WestJet

Fri, 19 Jun - Tue, 23 Jun

6:00 a.m. - 5:25 p.m.

DEN

YOW

33h 25m

2 stops

9:30 a.m. - 8:20 a.m.

YOW

DEN

24h 50m

1 stop

C$ 615Multiple Airlines

Wed, 18 Mar - Wed, 25 Mar

6:00 a.m. - 5:25 p.m.

DEN

YOW

33h 25m

2 stops

9:30 a.m. - 8:20 a.m.

YOW

DEN

24h 50m

1 stop

C$ 619Multiple Airlines

Wed, 18 Mar - Wed, 25 Mar

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

DEN

YOW

21h 59m

1 stop

7:00 a.m. - 8:09 a.m.

YOW

DEN

27h 09m

2 stops

C$ 635Multiple Airlines

Tue, 17 Feb - Wed, 1 Apr

10:00 a.m. - 5:05 p.m.

DEN

YOW

29h 05m

1 stop

4:20 p.m. - 8:20 a.m.

YOW

DEN

18h 00m

1 stop

C$ 645Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

1:36 p.m. - 12:35 p.m.

DEN

YOW

20h 59m

2 stops

9:30 a.m. - 11:04 p.m.

YOW

DEN

15h 34m

1 stop

C$ 686Multiple Airlines

Sat, 28 Mar - Mon, 30 Mar

Air Canada flights from Denver to Ottawa

Our best Air Canada deals on Denver to Ottawa flight tickets

Air Canada

2 Mar

DEN8:05 a.m.Denver Intl

12h 13m

2 stops

YOW10:18 p.m.Ottawa

9 Mar

YOW2:50 p.m.Ottawa

7h 05m

1 stop

DEN7:55 p.m.Denver Intl

C$ 904

Air Canada

2 Mar

DEN7:05 p.m.Denver Intl

9h 38m

1 stop

YOW6:43 a.m.Ottawa

9 Mar

YOW2:50 p.m.Ottawa

7h 05m

1 stop

DEN7:55 p.m.Denver Intl

C$ 907

Air Canada

18 Mar

DEN7:05 p.m.Denver Intl

9h 38m

1 stop

YOW6:43 a.m.Ottawa

25 Mar

YOW7:45 a.m.Ottawa

11h 59m

1 stop

DEN5:44 p.m.Denver Intl

C$ 976

United Airlines flights from Denver to Ottawa

Our best United Airlines deals on Denver to Ottawa flight tickets

United Airlines

27 Feb

DEN8:25 p.m.Denver Intl

18h 42m

2 stops

YOW5:07 p.m.Ottawa

2 Mar

YOW5:11 p.m.Ottawa

18h 55m

2 stops

DEN10:06 a.m.Denver Intl

C$ 960

United Airlines

28 Mar

DEN8:33 p.m.Denver Intl

15h 26m

2 stops

YOW1:59 p.m.Ottawa

30 Mar

YOW7:30 p.m.Ottawa

16h 40m

2 stops

DEN10:10 a.m.Denver Intl

C$ 997

United Airlines

1 Jul

DEN6:20 p.m.Denver Intl

17h 53m

2 stops

YOW2:13 p.m.Ottawa

6 Jul

YOW6:00 p.m.Ottawa

7h 28m

1 stop

DEN11:28 p.m.Denver Intl

C$ 1,011

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 3/3

5:20 p.m.-5:25 p.m.

2 stops22h 05m

Ottawa

Tue 10/3

9:30 a.m.-11:09 p.m.

1 stop15h 39m

C$ 503

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 19/6

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

2 stops22h 15m

Ottawa

Tue 23/6

5:15 p.m.-11:25 a.m.

2 stops20h 10m

C$ 548

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 2/3

9:06 p.m.-12:25 a.m.

2 stops25h 19m

Ottawa

Mon 9/3

4:20 p.m.-8:20 a.m.

1 stop18h 00m

C$ 560

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 19/6

12:15 p.m.-3:25 p.m.

1 stop25h 10m

Ottawa

Tue 23/6

5:15 p.m.-11:25 a.m.

2 stops20h 10m

C$ 578

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 19/6

12:15 p.m.-3:25 p.m.

1 stop25h 10m

Ottawa

Tue 23/6

3:45 p.m.-11:25 a.m.

1 stop21h 40m

C$ 586

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 18/3

6:00 a.m.-5:25 p.m.

2 stops33h 25m

Ottawa

Wed 25/3

9:30 a.m.-8:20 a.m.

1 stop24h 50m

C$ 615

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 18/3

6:00 a.m.-5:25 p.m.

2 stops33h 25m

Ottawa

Wed 25/3

9:30 a.m.-8:20 a.m.

1 stop24h 50m

C$ 619

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 17/2

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

1 stop21h 59m

Ottawa

Wed 1/4

7:00 a.m.-8:09 a.m.

2 stops27h 09m

C$ 635

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 2/3

10:00 a.m.-5:05 p.m.

1 stop29h 05m

Ottawa

Mon 9/3

4:20 p.m.-8:20 a.m.

1 stop18h 00m

C$ 645

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 28/3

1:36 p.m.-12:35 p.m.

2 stops20h 59m

Ottawa

Mon 30/3

9:30 a.m.-11:04 p.m.

1 stop15h 34m

C$ 686

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

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 59m
Direct flights	None

The fastest flight from Denver to Ottawa takes 8h 59m

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 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 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 February 2026.
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$ 214	Free Cancellation	Rating 7.4 9,229 reviews		Search United Airlines flights

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

Prescott

Calabogie

Wakefield

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.