Which layover airport offers the lowest fares from Denver to Ottawa?

Flights via Newark (EWR) offer the lowest average round-trip price of $309.

Which airport is the most popular layover for flights between Denver and Ottawa?

Newark (EWR) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Denver to Ottawa?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 7h 20m.

Which layover airport has the shortest connection time from Denver to Ottawa?

Newark (EWR) has the shortest average layover time for this route: 2h 07m.

What airlines fly to Ottawa?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Ottawa from Denver according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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 were last updated today.

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 3 as of January 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$123 Cheap Flights from Denver to Ottawa in 2026

Q: 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 $683 to $702. The lowest price recently found on this route was $288.

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One-way

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Cheap round-trip flights

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7:40 pm - 6:55 am

DEN

YOW

9h 15m

1 stop

7:15 pm - 11:25 am

YOW

DEN

18h 10m

1 stop

$288WestJet

Thu, May 21 - Mon, May 25

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

7:15 pm - 11:25 am

YOW

DEN

18h 10m

1 stop

$293WestJet

Wed, May 20 - Sun, May 24

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

6:15 am - 6:50 pm

YOW

DEN

14h 35m

2 stops

$294WestJet

Wed, May 20 - Sun, May 24

7:40 pm - 6:55 am

DEN

YOW

9h 15m

1 stop

5:15 pm - 11:25 am

YOW

DEN

20h 10m

2 stops

$309WestJet

Thu, May 21 - Mon, May 25

7:40 pm - 6:55 am

DEN

YOW

9h 15m

1 stop

3:45 pm - 11:25 am

YOW

DEN

21h 40m

1 stop

$311WestJet

Thu, May 21 - Tue, May 26

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

6:15 am - 11:25 am

YOW

DEN

31h 10m

2 stops

$322WestJet

Wed, May 20 - Tue, May 26

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

6:15 am - 11:25 am

YOW

DEN

31h 10m

2 stops

$323WestJet

Mon, May 4 - Sat, May 9

7:00 pm - 12:35 pm

DEN

YOW

39h 35m

2 stops

4:20 pm - 8:20 am

YOW

DEN

18h 00m

1 stop

$326Multiple Airlines

Fri, Feb 27 - Fri, Mar 6

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

7:15 pm - 11:25 am

YOW

DEN

18h 10m

1 stop

$329WestJet

Wed, May 20 - Sat, May 23

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

3:45 pm - 11:25 am

YOW

DEN

21h 40m

1 stop

$332WestJet

Sun, May 3 - Sun, May 10

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

WestJet

May 21

DEN7:40 pmDenver Intl

9h 15m

1 stop

YOW6:55 amOttawa

May 25

YOW7:15 pmOttawa

18h 10m

1 stop

DEN11:25 amDenver Intl

$288

WestJet

May 20

DEN12:15 pmDenver Intl

10h 25m

1 stop

YOW12:40 amOttawa

May 24

YOW7:15 pmOttawa

18h 10m

1 stop

DEN11:25 amDenver Intl

$293

WestJet

May 20

DEN12:15 pmDenver Intl

10h 25m

1 stop

YOW12:40 amOttawa

May 24

YOW6:15 amOttawa

14h 35m

2 stops

DEN6:50 pmDenver Intl

$294

American Airlines flights from Denver to Ottawa

Our best American Airlines deals on Denver to Ottawa flight tickets

American Airlines

Jan 28

DEN7:23 pmDenver Intl

19h 30m

3 stops

YOW4:53 pmOttawa

Jan 31

YOW10:00 amOttawa

25h 55m

2 stops

DEN9:55 amDenver Intl

$896

American Airlines

Jan 28

DEN7:23 pmDenver Intl

19h 30m

3 stops

YOW4:53 pmOttawa

Jan 31

YOW6:45 amOttawa

18h 31m

2 stops

DEN11:16 pmDenver Intl

$906

American Airlines

Jan 23

DEN12:34 pmDenver Intl

26h 19m

2 stops

YOW4:53 pmOttawa

Jan 28

YOW6:45 amOttawa

18h 31m

2 stops

DEN11:16 pmDenver Intl

$935

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 5/21

7:40 pm-6:55 am

1 stop9h 15m

Ottawa

Mon 5/25

7:15 pm-11:25 am

1 stop18h 10m

$288

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 5/20

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Sun 5/24

7:15 pm-11:25 am

1 stop18h 10m

$293

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 5/20

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Sun 5/24

6:15 am-6:50 pm

2 stops14h 35m

$294

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 5/21

7:40 pm-6:55 am

1 stop9h 15m

Ottawa

Mon 5/25

5:15 pm-11:25 am

2 stops20h 10m

$309

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 5/21

7:40 pm-6:55 am

1 stop9h 15m

Ottawa

Tue 5/26

3:45 pm-11:25 am

1 stop21h 40m

$311

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 5/20

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Tue 5/26

6:15 am-11:25 am

2 stops31h 10m

$322

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 5/4

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Sat 5/9

6:15 am-11:25 am

2 stops31h 10m

$323

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 2/27

7:00 pm-12:35 pm

2 stops39h 35m

Ottawa

Fri 3/6

4:20 pm-8:20 am

1 stop18h 00m

$326

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 5/20

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Sat 5/23

7:15 pm-11:25 am

1 stop18h 10m

$329

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 5/3

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Sun 5/10

3:45 pm-11:25 am

1 stop21h 40m

$332

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

Layovers

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

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	12h 17m
Direct flights	None

The fastest flight from Denver to Ottawa takes 12h 17m

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?
Denver Intl and Ottawa are 1530.4 mi apart from one another. By plane, this route typically takes 12h 17m.
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 were last updated today.
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 3 as of January 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Denver to Ottawa?
Based on momondo bookings for flights between Denver and Ottawa, the leading airline is United Airlines, making up 46% of the total bookings. Other popular airlines include Air Canada with 45% and WestJet with 10%.

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
WestJet	PriceFrom $143	Free Cancellation	Rating 7.2 3,240 reviews	Search WestJet flights
Air Canada	PriceFrom $290	Free Cancellation	Rating 7.1 10,619 reviews	Search Air Canada flights
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 9,156 reviews	Search United Airlines flights

Gatineau

Pembroke

Calabogie

Brockville

Petawawa

Smiths Falls

Perth

Prescott

Winchester

Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Ottawa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from Denver.

Can I find flights from Denver to Ottawa with flexible booking policies on momondo?

Flights from Denver to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to Ottawa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from Denver.

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.