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

WestJet, Air Canada, 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 August 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$ 223 Cheap Flights from Denver to Ottawa in 2025

1 adult

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Find the cheapest flights from Denver to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

12:15 p.m. - 12:41 a.m.DEN-YOW

10h 26m1 stop

7:15 p.m. - 11:27 a.m.YOW-DEN

18h 12m1 stop

C$ 506WestJet

Find Deal

lun, 25 ago - gio, 28 ago

7:05 p.m. - 8:23 a.m.DEN-YOW

11h 18m1 stop

9:35 a.m. - 7:23 p.m.YOW-DEN

11h 48m1 stop

C$ 518Air Canada

Find Deal

ven, 12 set - ven, 19 set

12:15 p.m. - 12:40 a.m.DEN-YOW

10h 25m1 stop

7:00 a.m. - 10:14 a.m.YOW-DEN

29h 14m2 stops

C$ 527

Find Deal

gio, 25 set - lun, 29 set

12:15 p.m. - 12:40 a.m.DEN-YOW

10h 25m1 stop

5:55 a.m. - 11:24 a.m.YOW-DEN

31h 29m2 stops

C$ 537WestJet

Find Deal

ven, 12 set - dom, 14 set

12:15 p.m. - 12:40 a.m.DEN-YOW

10h 25m1 stop

3:45 p.m. - 11:24 a.m.YOW-DEN

21h 39m1 stop

C$ 538WestJet

Find Deal

ven, 12 set - dom, 14 set

12:15 p.m. - 4:20 p.m.DEN-YOW

26h 05m2 stops

7:15 p.m. - 11:24 a.m.YOW-DEN

18h 09m1 stop

C$ 540WestJet

Find Deal

sab, 30 ago - sab, 6 set

12:15 p.m. - 5:58 a.m.DEN-YOW

15h 43m1 stop

5:45 a.m. - 11:27 a.m.YOW-DEN

31h 42m2 stops

C$ 562

Find Deal

lun, 25 ago - gio, 28 ago

7:45 a.m. - 5:05 p.m.DEN-YOW

7h 20m1 stop

9:35 a.m. - 7:23 p.m.YOW-DEN

11h 48m1 stop

C$ 603Air Canada

Find Deal

ven, 29 ago - ven, 5 set

10:12 a.m. - 6:52 p.m.DEN-YOW

6h 40m1 stop

7:29 p.m. - 11:59 p.m.YOW-DEN

6h 30m1 stop

C$ 666United Airlines

Find Deal

mer, 10 set - lun, 15 set

6:00 a.m. - 5:04 p.m.DEN-YOW

9h 04m2 stops

5:15 a.m. - 12:43 p.m.YOW-DEN

9h 28m2 stops

C$ 803United Airlines

Find Deal

mer, 10 set - lun, 15 set

Air Canada flights from Denver to Ottawa

Our best Air Canada deals on Denver to Ottawa flight tickets

Air Canada

12 Sep

DEN7:05 p.m.Denver Intl

11h 18m

1 stop

YOW8:23 a.m.Ottawa

19 Sep

YOW9:35 a.m.Ottawa

11h 48m

1 stop

DEN7:23 p.m.Denver Intl

C$ 518

Find similar

Air Canada

29 Aug

DEN7:45 a.m.Denver Intl

7h 20m

1 stop

YOW5:05 p.m.Ottawa

5 Sep

YOW9:35 a.m.Ottawa

11h 48m

1 stop

DEN7:23 p.m.Denver Intl

C$ 603

Find similar

Air Canada

30 Sep

DEN7:05 p.m.Denver Intl

11h 18m

1 stop

YOW8:23 a.m.Ottawa

5 Oct

YOW9:35 a.m.Ottawa

9h 43m

1 stop

DEN5:18 p.m.Denver Intl

C$ 646

Find similar

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

WestJet

25 Aug

DEN12:15 p.m.Denver Intl

10h 26m

1 stop

YOW12:41 a.m.Ottawa

28 Aug

YOW7:15 p.m.Ottawa

18h 12m

1 stop

DEN11:27 a.m.Denver Intl

C$ 506

Find similar

WestJet

12 Sep

DEN12:15 p.m.Denver Intl

10h 25m

1 stop

YOW12:40 a.m.Ottawa

14 Sep

YOW5:55 a.m.Ottawa

31h 29m

2 stops

DEN11:24 a.m.Denver Intl

C$ 537

Find similar

WestJet

12 Sep

DEN12:15 p.m.Denver Intl

10h 25m

1 stop

YOW12:40 a.m.Ottawa

14 Sep

YOW3:45 p.m.Ottawa

21h 39m

1 stop

DEN11:24 a.m.Denver Intl

C$ 538

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

lun 25/8

12:15 p.m.-12:41 a.m.

1 stop10h 26m

Ottawa

gio 28/8

7:15 p.m.-11:27 a.m.

1 stop18h 12m

C$ 506

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ven 12/9

7:05 p.m.-8:23 a.m.

1 stop11h 18m

Ottawa

ven 19/9

9:35 a.m.-7:23 p.m.

1 stop11h 48m

C$ 518

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

gio 25/9

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

lun 29/9

7:00 a.m.-10:14 a.m.

2 stops29h 14m

C$ 527

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ven 12/9

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

dom 14/9

5:55 a.m.-11:24 a.m.

2 stops31h 29m

C$ 537

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ven 12/9

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

dom 14/9

3:45 p.m.-11:24 a.m.

1 stop21h 39m

C$ 538

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

sab 30/8

12:15 p.m.-4:20 p.m.

2 stops26h 05m

Ottawa

sab 6/9

7:15 p.m.-11:24 a.m.

1 stop18h 09m

C$ 540

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

lun 25/8

12:15 p.m.-5:58 a.m.

1 stop15h 43m

Ottawa

gio 28/8

5:45 a.m.-11:27 a.m.

2 stops31h 42m

C$ 562

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ven 29/8

7:45 a.m.-5:05 p.m.

1 stop7h 20m

Ottawa

ven 5/9

9:35 a.m.-7:23 p.m.

1 stop11h 48m

C$ 603

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

mer 10/9

10:12 a.m.-6:52 p.m.

1 stop6h 40m

Ottawa

lun 15/9

7:29 p.m.-11:59 p.m.

1 stop6h 30m

C$ 666

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

mer 10/9

6:00 a.m.-5:04 p.m.

2 stops9h 04m

Ottawa

lun 15/9

5:15 a.m.-12:43 p.m.

2 stops9h 28m

C$ 803

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 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$ 817. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,125 per ticket.

Can stopping save me money on Denver to Ottawa flights?

You could potentially save up to 1% on your flight if you consider stops on a Denver to Ottawa flight.

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$ 223
Fastest flight time	6h 04m
Direct flights	None
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Denver in the past 72 hours is C$ 223. The best round-trip flight deal from Denver to Ottawa found on momondo in the last 72 hours is C$ 506.

The fastest flight from Denver to Ottawa takes 6h 04m

There are no direct flights from Denver to Ottawa. Popular non-direct route for this connection is Denver Intl Airport - Ottawa Airport.

There is 1 airport near Ottawa: Ottawa (YOW)

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 6h 04m.
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 August 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 Air Canada, 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
Air Canada	PriceFrom C$ 171	Free Cancellation	Rating 7.1 9,851 reviews		Search Air Canada flights

Gatineau

Brockville

Pembroke

Smiths Falls

Wakefield

Calabogie

Perth

Prescott

Petawawa

Winchester

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.