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 2 as of September 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.

$202 Cheap Flights from Denver to Ottawa in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Ottawa

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:41 am - 12:07 amDEN Denver Intl-YOW Ottawa

11h 26m1 stop Tampa

10:20 am - 11:35 pmYOW Ottawa-DEN Denver Intl

15h 15m2 stops Toronto Pearson Intl Phoenix Sky Harbor Intl

$422Multiple Airlines

Tue, Jan 12 - Sat, Jan 16

10:41 am - 12:07 amDEN Denver Intl-YOW Ottawa

11h 26m1 stop Tampa

4:15 pm - 11:35 pmYOW Ottawa-DEN Denver Intl

33h 20m2 stops Calgary Phoenix Sky Harbor Intl

$427Multiple Airlines

Tue, Jan 12 - Mon, Jan 18

10:41 am - 12:07 amDEN Denver Intl-YOW Ottawa

11h 26m1 stop Tampa

4:35 pm - 8:28 amYOW Ottawa-DEN Denver Intl

17h 53m1 stop Tampa

$430Multiple Airlines

Tue, Jan 12 - Tue, Jan 19

10:41 am - 12:07 amDEN Denver Intl-YOW Ottawa

11h 26m1 stop Tampa

10:20 am - 11:35 pmYOW Ottawa-DEN Denver Intl

15h 15m2 stops Toronto Pearson Intl Phoenix Sky Harbor Intl

$433Multiple Airlines

Tue, Jan 12 - Wed, Jan 20

6:15 am - 2:18 pmDEN Denver Intl-YOW Ottawa

6h 03m1 stop Chicago O'Hare Intl

6:10 pm - 10:30 amYOW Ottawa-DEN Denver Intl

18h 20m1 stop Toronto Pearson Intl

$741Air Canada

Wed, Mar 3 - Wed, Mar 3

11:25 am - 7:52 pmDEN Denver Intl-YOW Ottawa

6h 27m1 stop Montreal Pierre Elliott Trudeau Intl

7:45 am - 6:13 pmYOW Ottawa-DEN Denver Intl

12h 28m1 stop Vancouver Intl

$746Air Canada

Sat, Jan 9 - Mon, Jan 18

9:48 am - 9:26 pmDEN Denver Intl-YOW Ottawa

9h 38m1 stop Chicago O'Hare Intl

2:46 pm - 9:46 pmYOW Ottawa-DEN Denver Intl

9h 00m1 stop Washington, D.C. Dulles Intl

$748United Airlines

Tue, Mar 23 - Sun, Mar 28

6:15 am - 9:26 pmDEN Denver Intl-YOW Ottawa

13h 11m1 stop Chicago O'Hare Intl

9:45 am - 4:23 pmYOW Ottawa-DEN Denver Intl

8h 38m1 stop Washington, D.C. Dulles Intl

$748United Airlines

Sat, Mar 20 - Sat, Mar 27

6:15 am - 9:26 pmDEN Denver Intl-YOW Ottawa

13h 11m1 stop Chicago O'Hare Intl

9:45 am - 7:01 pmYOW Ottawa-DEN Denver Intl

11h 16m1 stop Washington, D.C. Dulles Intl

$748United Airlines

Sat, Mar 20 - Sun, Mar 28

6:15 am - 3:57 pmDEN Denver Intl-YOW Ottawa

7h 42m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

9:30 pm - 10:30 amYOW Ottawa-DEN Denver Intl

15h 00m1 stop Toronto Pearson Intl

$749Air Canada

Wed, Mar 3 - Wed, Mar 3

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WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

WestJet

Oct 5

DEN12:15 pmDenver Intl

15h 20m

1 stop

YOW5:35 amOttawa

Oct 17

YOW4:15 pmOttawa

21h 05m

1 stop

DEN11:20 amDenver Intl

$546

WestJet

Oct 4

DEN12:15 pmDenver Intl

15h 20m

1 stop

YOW5:35 amOttawa

Oct 17

YOW4:15 pmOttawa

21h 05m

1 stop

DEN11:20 amDenver Intl

$550

WestJet

Oct 4

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

Oct 17

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

$561

Delta flights from Denver to Ottawa

Our best Delta deals on Denver to Ottawa flight tickets

Delta

Oct 3

DEN6:30 amDenver Intl

9h 05m

2 stops

YOW5:35 pmOttawa

Oct 19

YOW12:25 pmOttawa

13h 19m

2 stops

DEN11:44 pmDenver Intl

$636

Delta

Oct 2

DEN6:00 amDenver Intl

16h 20m

2 stops

YOW12:20 amOttawa

Oct 19

YOW12:25 pmOttawa

13h 19m

2 stops

DEN11:44 pmDenver Intl

$661

Delta

Oct 3

DEN6:30 amDenver Intl

9h 05m

2 stops

YOW5:35 pmOttawa

Oct 17

YOW6:55 amOttawa

12h 37m

2 stops

DEN5:32 pmDenver Intl

$683

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 1/12

10:41 am-12:07 am

1 stop11h 26m

Ottawa

Sat 1/16

10:20 am-11:35 pm

2 stops15h 15m

$422

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 1/12

10:41 am-12:07 am

1 stop11h 26m

Ottawa

Mon 1/18

4:15 pm-11:35 pm

2 stops33h 20m

$427

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 1/12

10:41 am-12:07 am

1 stop11h 26m

Ottawa

Tue 1/19

4:35 pm-8:28 am

1 stop17h 53m

$430

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 1/12

10:41 am-12:07 am

1 stop11h 26m

Ottawa

Wed 1/20

10:20 am-11:35 pm

2 stops15h 15m

$433

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 3/3

6:15 am-2:18 pm

1 stop6h 03m

Ottawa

Wed 3/3

6:10 pm-10:30 am

1 stop18h 20m

$741

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sat 1/9

11:25 am-7:52 pm

1 stop6h 27m

Ottawa

Mon 1/18

7:45 am-6:13 pm

1 stop12h 28m

$746

Quickest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 3/23

9:48 am-9:26 pm

1 stop9h 38m

Ottawa

Sun 3/28

2:46 pm-9:46 pm

1 stop9h 00m

$748

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sat 3/20

6:15 am-9:26 pm

1 stop13h 11m

Ottawa

Sat 3/27

9:45 am-4:23 pm

1 stop8h 38m

$748

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sat 3/20

6:15 am-9:26 pm

1 stop13h 11m

Ottawa

Sun 3/28

9:45 am-7:01 pm

1 stop11h 16m

$748

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 3/3

6:15 am-3:57 pm

2 stops7h 42m

Ottawa

Wed 3/3

9:30 pm-10:30 am

1 stop15h 00m

$749

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

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 $612 to $847.
The lowest price recently found on this route was $422.

What is the cheapest month to fly to Ottawa?

In general, October is the cheapest month to fly from Denver to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $529. The month of August is another great option to travel to Ottawa, with average flight prices from Denver averaging around $691.

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	$202
Fastest flight time	5h 55m
Direct flights	None

The best one-way flight to Ottawa from Denver in the past 72 hours is $202. The best round-trip flight deal from Denver to Ottawa found on momondo in the last 72 hours is $422.

The fastest flight from Denver to Ottawa takes 5h 55m

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?
Denver Intl and Ottawa are 1530.4 mi apart from one another. By plane, this route typically takes 5h 55m.
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 2 as of September 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 Air Canada, making up 53% of the total bookings. Other popular airlines include United Airlines with 47%.

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 $397	Free Cancellation	Rating 7.1 11,668 reviews		Search Air Canada flights
United Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 10,230 reviews		Search United Airlines flights

Gatineau

Brockville

Pembroke

Petawawa

Calabogie

Smiths Falls

Perth

Prescott

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.

An easier way to manage your Ottawa trip

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Cheap flights from Denver to Ottawa from $202

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Ottawa departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

Delta flights from Denver to Ottawa

Our best Delta deals on Denver to Ottawa flight tickets

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See travel insights to Ottawa from

How to get the cheapest flight ticket from Denver to Ottawa

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

What is the cheapest month to fly to Ottawa?

When to book flights from Denver to Ottawa

Cheap Denver to Ottawa (DEN to YOW) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Denver to Ottawa

Best airlines flying from Denver to Ottawa

Compare and see reviews for airlines that fly from Denver to Ottawa with momondo

Traveling to a place near Ottawa?

Why use momondo?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario

Fly your favorite airline to Ottawa

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ottawa

List of cabin classes available on flights landing in Ottawa. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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