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Cheap flights from Denver to Ottawa from $331

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Ottawa departing on 1/8. 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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0 bags

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Find the cheapest flights from Denver to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:44 am - 12:25 am
DEN
-
YOW
12h 41m2 stops
Multiple Airlines Logo
9:40 am - 12:55 am
YOW
-
DEN
17h 15m1 stop
$331Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
9:50 am - 5:25 pm
DEN
-
YOW
29h 35m1 stop
Multiple Airlines Logo
7:00 am - 5:03 pm
YOW
-
DEN
36h 03m2 stops
$335Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
11:59 pm - 5:13 pm
DEN
-
YOW
15h 14m1 stop
Multiple Airlines Logo
3:55 pm - 1:37 am
YOW
-
DEN
11h 42m1 stop
$336Multiple Airlines
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
9:50 am - 5:25 pm
DEN
-
YOW
29h 35m1 stop
Multiple Airlines Logo
7:00 am - 4:22 pm
YOW
-
DEN
11h 22m2 stops
$339Multiple Airlines
Thu, Jan 15 - Wed, Jan 21
Multiple Airlines Logo
10:29 pm - 12:42 am
DEN
-
YOW
24h 13m2 stops
Multiple Airlines Logo
9:40 am - 12:55 am
YOW
-
DEN
17h 15m1 stop
$347Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
9:05 pm - 5:25 pm
DEN
-
YOW
18h 20m2 stops
Multiple Airlines Logo
3:55 pm - 1:37 am
YOW
-
DEN
11h 42m1 stop
$350Multiple Airlines
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
6:10 am - 5:25 pm
DEN
-
YOW
9h 15m1 stop
Multiple Airlines Logo
9:40 am - 12:55 am
YOW
-
DEN
17h 15m1 stop
$353Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
6:27 pm - 5:25 pm
DEN
-
YOW
20h 58m2 stops
Multiple Airlines Logo
9:30 am - 10:00 am
YOW
-
DEN
26h 30m1 stop
$380Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
9:50 am - 5:25 pm
DEN
-
YOW
29h 35m1 stop
Multiple Airlines Logo
9:30 am - 8:30 am
YOW
-
DEN
25h 00m1 stop
$392Multiple Airlines
Thu, Jan 15 - Wed, Jan 21
Multiple Airlines Logo
9:50 am - 5:25 pm
DEN
-
YOW
29h 35m1 stop
Multiple Airlines Logo
9:30 am - 10:00 am
YOW
-
DEN
26h 30m1 stop
$401Multiple Airlines
Tue, Jan 13 - Tue, Jan 20

Delta flights from Denver to Ottawa

Our best Delta deals on Denver to Ottawa flight tickets
Delta
Jan 13
DEN10:34 amDenver Intl
12h 08m
2 stops
YOW12:42 amOttawa
Jan 20
YOW5:40 amOttawa
9h 53m
2 stops
DEN1:33 pmDenver Intl
$596
Find similar
Delta
Jan 29
DEN7:10 amDenver Intl
15h 32m
2 stops
YOW12:42 amOttawa
Feb 5
YOW5:40 amOttawa
13h 48m
2 stops
DEN5:28 pmDenver Intl
$840
Find similar
Delta
Jan 8
DEN7:10 amDenver Intl
15h 32m
2 stops
YOW12:42 amOttawa
Jan 15
YOW5:40 amOttawa
13h 46m
2 stops
DEN5:26 pmDenver Intl
$873
Find similar

American Airlines flights from Denver to Ottawa

Our best American Airlines deals on Denver to Ottawa flight tickets
American Airlines
Jan 8
DEN6:56 pmDenver Intl
19h 57m
3 stops
YOW4:53 pmOttawa
Jan 15
YOW6:45 amOttawa
10h 31m
2 stops
DEN3:16 pmDenver Intl
$854
Find similar
American Airlines
Jan 29
DEN6:56 pmDenver Intl
19h 57m
3 stops
YOW4:53 pmOttawa
Feb 5
YOW6:45 amOttawa
10h 31m
2 stops
DEN3:16 pmDenver Intl
$866
Find similar
American Airlines
Jan 13
DEN6:00 amDenver Intl
16h 43m
3 stops
YOW12:43 amOttawa
Jan 20
YOW6:45 amOttawa
17h 49m
3 stops
DEN10:34 pmDenver Intl
$891
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Denver to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 1/8

9:44 am-12:25 am

2 stops12h 41m

Ottawa

Thu 1/15

9:40 am-12:55 am

1 stop17h 15m

$331

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 1/13

9:50 am-5:25 pm

1 stop29h 35m

Ottawa

Tue 1/20

7:00 am-5:03 pm

2 stops36h 03m

$335

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 1/12

11:59 pm-5:13 pm

1 stop15h 14m

Ottawa

Wed 1/14

3:55 pm-1:37 am

1 stop11h 42m

$336

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 1/15

9:50 am-5:25 pm

1 stop29h 35m

Ottawa

Wed 1/21

7:00 am-4:22 pm

2 stops11h 22m

$339

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 1/8

10:29 pm-12:42 am

2 stops24h 13m

Ottawa

Thu 1/15

9:40 am-12:55 am

1 stop17h 15m

$347

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 1/12

9:05 pm-5:25 pm

2 stops18h 20m

Ottawa

Wed 1/14

3:55 pm-1:37 am

1 stop11h 42m

$350

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 1/8

6:10 am-5:25 pm

1 stop9h 15m

Ottawa

Thu 1/15

9:40 am-12:55 am

1 stop17h 15m

$353

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 1/13

6:27 pm-5:25 pm

2 stops20h 58m

Ottawa

Tue 1/20

9:30 am-10:00 am

1 stop26h 30m

$380

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 1/15

9:50 am-5:25 pm

1 stop29h 35m

Ottawa

Wed 1/21

9:30 am-8:30 am

1 stop25h 00m

$392

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 1/13

9:50 am-5:25 pm

1 stop29h 35m

Ottawa

Tue 1/20

9:30 am-10:00 am

1 stop26h 30m

$401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Ottawa from

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?

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.

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

6h 07m

Direct flights

None
The fastest flight from Denver to Ottawa takes 6h 07m
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 6h 07m.

  • 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?

  • 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?

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
WestJetPriceFrom $143Free CancellationRating
7.2
3,202 reviews
Search WestJet flights
Air CanadaPriceFrom $290Free CancellationRating
7.1
10,531 reviews
Search Air Canada flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Calabogie
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.

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