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

WestJet and Air Canada are the most popular carriers operating from Denver Intl to Ottawa

What airlines fly to Ottawa?

Air Canada, United Airlines and American Airlines 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 52% 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 July 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 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.

$142 Cheap Flights from Denver to Ottawa in 2025

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

Prices are currently typical for flights on this route. Typical prices usually range from $360 to $638. The lowest price recently found on this route was $361.

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Find the cheapest flights from Denver to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

7:05 pm - 8:19 amDEN-YOW

11h 14m1 stop

6:00 am - 10:21 amYOW-DEN

6h 21m1 stop

$361Air Canada

Find Deal

lör, aug 2 - fre, aug 8

7:05 pm - 8:19 amDEN-YOW

11h 14m1 stop

5:15 am - 10:20 amYOW-DEN

7h 05m1 stop

$363Air Canada

Find Deal

sön, aug 10 - sön, aug 17

12:15 pm - 5:25 amDEN-YOW

15h 10m2 stops

5:15 pm - 11:24 amYOW-DEN

20h 09m2 stops

$406WestJet

Find Deal

ons, aug 27 - ons, sep 3

12:15 pm - 5:25 amDEN-YOW

15h 10m2 stops

5:15 am - 10:20 amYOW-DEN

7h 05m1 stop

$444

Find Deal

sön, aug 10 - sön, aug 17

6:00 am - 9:20 pmDEN-YOW

13h 20m2 stops

5:15 am - 10:20 amYOW-DEN

7h 05m1 stop

$460United Airlines

Find Deal

tors, aug 7 - sön, aug 17

8:55 pm - 5:05 pmDEN-YOW

18h 10m2 stops

5:25 pm - 11:22 pmYOW-DEN

7h 57m1 stop

$463United Airlines

Find Deal

lör, jul 26 - tis, jul 29

12:04 am - 4:57 pmDEN-YOW

14h 53m1 stop

4:25 pm - 8:15 amYOW-DEN

17h 50m1 stop

$469

Find Deal

tis, okt 7 - ons, okt 15

12:15 pm - 5:25 amDEN-YOW

15h 10m2 stops

5:15 pm - 11:27 amYOW-DEN

20h 12m2 stops

$745WestJet

Find Deal

sön, aug 10 - sön, aug 17

6:00 am - 12:22 amDEN-YOW

16h 22m2 stops

5:55 am - 8:16 pmYOW-DEN

16h 21m2 stops

$800Delta

Find Deal

tors, aug 7 - sön, aug 17

6:00 am - 12:22 amDEN-YOW

16h 22m2 stops

5:55 am - 8:16 pmYOW-DEN

16h 21m2 stops

$806Delta

Find Deal

tors, aug 7 - sön, aug 17

Air Canada flights from Denver to Ottawa

Our best Air Canada deals on Denver to Ottawa flight tickets

Air Canada

Aug 2

DEN7:05 pmDenver Intl

11h 14m

1 stop

YOW8:19 amOttawa

Aug 8

YOW6:00 amOttawa

6h 21m

1 stop

DEN10:21 amDenver Intl

$361

Find similar

Air Canada

Aug 10

DEN7:05 pmDenver Intl

11h 14m

1 stop

YOW8:19 amOttawa

Aug 17

YOW5:15 amOttawa

7h 05m

1 stop

DEN10:20 amDenver Intl

$363

Find similar

Air Canada

Aug 27

DEN7:05 pmDenver Intl

11h 14m

1 stop

YOW8:19 amOttawa

Sep 3

YOW9:35 amOttawa

11h 48m

1 stop

DEN7:23 pmDenver Intl

$367

Find similar

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets

WestJet

Aug 27

DEN12:15 pmDenver Intl

15h 10m

2 stops

YOW5:25 amOttawa

Sep 3

YOW5:15 pmOttawa

20h 09m

2 stops

DEN11:24 amDenver Intl

$406

Find similar

WestJet

Jul 24

DEN12:15 pmDenver Intl

26h 05m

2 stops

YOW4:20 pmOttawa

Jul 27

YOW5:15 pmOttawa

44h 12m

2 stops

DEN11:27 amDenver Intl

$740

Find similar

WestJet

Aug 10

DEN12:15 pmDenver Intl

15h 10m

2 stops

YOW5:25 amOttawa

Aug 17

YOW5:15 pmOttawa

20h 12m

2 stops

DEN11:27 amDenver Intl

$745

Find similar

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

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Denver to Ottawa is on a Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $391. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $756.

What is the cheapest time of day to depart on your flight to Ottawa?

In the afternoon is the cheapest time of day to fly from Denver to Ottawa when you can find flight prices for as low as $411. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $579 on average. Flights to Ottawa from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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	$142
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 $142. The best round-trip flight deal from Denver to Ottawa found on momondo in the last 72 hours is $361.

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)

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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 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 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 July 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 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 49% of the total bookings. Other popular airlines include United Airlines with 44% and WestJet with 7%.

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 2,939 reviews	Search WestJet flights
Air Canada	PriceFrom $290	Free Cancellation	Rating 7.1 9,725 reviews	Search Air Canada flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 8,858 reviews	Search United Airlines flights

Gatineau

Smiths Falls

Calabogie

Brockville

Pembroke

Prescott

Winchester

Wakefield

Petawawa

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.