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Cheap flights from Denver to Ottawa from $200

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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
11:59 pm - 11:58 pm
DEN
-
YOW
21h 59m
1 stop
Multiple Airlines Logo
1:20 pm - 11:34 am
YOW
-
DEN
24h 14m
2 stops
$438Multiple Airlines
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
11:56 pm - 2:33 pm
DEN
-
YOW
12h 37m
1 stop
Multiple Airlines Logo
6:25 pm - 4:02 pm
YOW
-
DEN
23h 37m
2 stops
$473Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
9:25 am - 11:58 pm
DEN
-
YOW
12h 33m
1 stop
Multiple Airlines Logo
7:00 am - 7:44 pm
YOW
-
DEN
38h 44m
2 stops
$491Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
11:59 pm - 5:25 pm
DEN
-
YOW
39h 26m
2 stops
Multiple Airlines Logo
4:20 pm - 8:24 am
YOW
-
DEN
18h 04m
1 stop
$497Multiple Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
9:54 pm - 5:35 pm
DEN
-
YOW
17h 41m
2 stops
Multiple Airlines Logo
4:20 pm - 8:24 am
YOW
-
DEN
18h 04m
1 stop
$506Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
11:59 pm - 11:58 pm
DEN
-
YOW
21h 59m
1 stop
Multiple Airlines Logo
9:30 am - 10:59 pm
YOW
-
DEN
15h 29m
1 stop
$508Multiple Airlines
Thu, Apr 23 - Mon, Apr 27
WestJet Logo
12:15 pm - 12:30 pm
DEN
-
YOW
22h 15m
2 stops
WestJet Logo
8:15 pm - 11:20 am
YOW
-
DEN
17h 05m
1 stop
$588WestJet
Wed, Jul 29 - Tue, Aug 4
WestJet Logo
12:15 pm - 12:30 pm
DEN
-
YOW
22h 15m
2 stops
WestJet Logo
6:15 pm - 11:20 am
YOW
-
DEN
19h 05m
2 stops
$589WestJet
Wed, Jul 29 - Tue, Aug 4
WestJet Logo
12:15 pm - 12:30 pm
DEN
-
YOW
22h 15m
2 stops
WestJet Logo
6:15 pm - 11:20 am
YOW
-
DEN
19h 05m
2 stops
$590WestJet
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
11:49 pm - 2:33 pm
DEN
-
YOW
12h 44m
1 stop
Multiple Airlines Logo
9:05 am - 12:16 am
YOW
-
DEN
17h 11m
2 stops
$594Multiple Airlines
Fri, Jun 19 - Wed, Jun 24

United Airlines flights from Denver to Ottawa

Our best United Airlines deals on Denver to Ottawa flight tickets
United Airlines
Apr 27
DEN8:20 pmDenver Intl
18h 47m
2 stops
YOW5:07 pmOttawa
May 4
YOW6:25 amOttawa
13h 54m
2 stops
DEN6:19 pmDenver Intl
$662
United Airlines
Apr 17
DEN11:59 pmDenver Intl
12h 23m
1 stop
YOW2:22 pmOttawa
Apr 18
YOW5:50 pmOttawa
8h 09m
1 stop
DEN11:59 pmDenver Intl
$687
United Airlines
May 4
DEN3:52 pmDenver Intl
6h 02m
1 stop
YOW11:54 pmOttawa
May 9
YOW10:44 amOttawa
6h 55m
1 stop
DEN3:39 pmDenver Intl
$691

American Airlines flights from Denver to Ottawa

Our best American Airlines deals on Denver to Ottawa flight tickets
American Airlines
May 11
DEN5:44 pmDenver Intl
19h 11m
2 stops
YOW2:55 pmOttawa
May 18
YOW8:40 amOttawa
17h 26m
2 stops
DEN12:06 amDenver Intl
$759
American Airlines
May 4
DEN6:53 pmDenver Intl
18h 02m
3 stops
YOW2:55 pmOttawa
May 9
YOW7:00 amOttawa
19h 06m
2 stops
DEN12:06 amDenver Intl
$783
American Airlines
Apr 13
DEN12:24 pmDenver Intl
26h 27m
2 stops
YOW4:51 pmOttawa
Apr 24
YOW6:45 amOttawa
13h 41m
3 stops
DEN6:26 pmDenver Intl
$1,022

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 April 1, 2026.
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

Cheapest round-trip

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 4/23

11:59 pm-11:58 pm

1 stop21h 59m

Ottawa

Mon 4/27

1:20 pm-11:34 am

2 stops24h 14m

$438

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 5/14

11:56 pm-2:33 pm

1 stop12h 37m

Ottawa

Thu 5/21

6:25 pm-4:02 pm

2 stops23h 37m

$473

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 4/16

9:25 am-11:58 pm

1 stop12h 33m

Ottawa

Mon 4/20

7:00 am-7:44 pm

2 stops38h 44m

$491

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 4/27

11:59 pm-5:25 pm

2 stops39h 26m

Ottawa

Mon 5/4

4:20 pm-8:24 am

1 stop18h 04m

$497

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 5/11

9:54 pm-5:35 pm

2 stops17h 41m

Ottawa

Mon 5/18

4:20 pm-8:24 am

1 stop18h 04m

$506

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 4/23

11:59 pm-11:58 pm

1 stop21h 59m

Ottawa

Mon 4/27

9:30 am-10:59 pm

1 stop15h 29m

$508

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 7/29

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Tue 8/4

8:15 pm-11:20 am

1 stop17h 05m

$588

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 7/29

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Tue 8/4

6:15 pm-11:20 am

2 stops19h 05m

$589

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 9/3

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Sun 9/6

6:15 pm-11:20 am

2 stops19h 05m

$590
Quickest round-trip

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 6/19

11:49 pm-2:33 pm

1 stop12h 44m

Ottawa

Wed 6/24

9:05 am-12:16 am

2 stops17h 11m

$594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

5h 59m

Direct flights

None
The fastest flight from Denver to Ottawa takes 5h 59m
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 59m.

  • 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
Air CanadaPriceFrom $186Free CancellationRating
7.1
10,873 reviews
Search Air Canada flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,529 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
Calabogie
Petawawa
Smiths Falls
Brockville
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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