Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Ottawa from $198

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 5/6. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
Multiple Airlines Logo
7:00 am - 10:04 am
YOW
-
DEN
29h 04m
2 stops
$447Multiple Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
Multiple Airlines Logo
7:20 am - 12:09 am
YOW
-
DEN
18h 49m
2 stops
$453Multiple Airlines
Fri, May 15 - Tue, Jun 2
Multiple Airlines Logo
6:45 am - 12:15 pm
DEN
-
YOW
27h 30m
2 stops
Multiple Airlines Logo
2:00 pm - 11:20 am
YOW
-
DEN
23h 20m
1 stop
$471Multiple Airlines
Wed, May 13 - Sun, May 17
WestJet Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
WestJet Logo
4:15 pm - 11:20 am
YOW
-
DEN
21h 05m
1 stop
$474WestJet
Fri, May 15 - Tue, Jun 2
Multiple Airlines Logo
10:35 pm - 5:35 am
DEN
-
YOW
29h 00m
2 stops
Multiple Airlines Logo
4:15 pm - 11:20 am
YOW
-
DEN
21h 05m
1 stop
$486Multiple Airlines
Thu, Apr 30 - Tue, May 5
Multiple Airlines Logo
11:40 pm - 5:40 pm
DEN
-
YOW
16h 00m
2 stops
Multiple Airlines Logo
4:15 pm - 11:20 am
YOW
-
DEN
21h 05m
1 stop
$504Multiple Airlines
Mon, Jun 1 - Fri, Jun 5
Multiple Airlines Logo
6:55 am - 12:15 pm
DEN
-
YOW
27h 20m
2 stops
Multiple Airlines Logo
7:20 am - 11:20 am
YOW
-
DEN
30h 00m
1 stop
$506Multiple Airlines
Sat, May 9 - Sat, May 16
Multiple Airlines Logo
5:15 am - 12:25 am
DEN
-
YOW
17h 10m
2 stops
Multiple Airlines Logo
9:30 am - 10:59 pm
YOW
-
DEN
15h 29m
1 stop
$515Multiple Airlines
Sun, Apr 26 - Wed, Apr 29
Multiple Airlines Logo
5:00 pm - 5:35 pm
DEN
-
YOW
22h 35m
2 stops
Multiple Airlines Logo
4:15 pm - 11:20 am
YOW
-
DEN
21h 05m
1 stop
$524Multiple Airlines
Fri, May 15 - Thu, May 21
Multiple Airlines Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
Multiple Airlines Logo
6:00 am - 3:58 am
YOW
-
DEN
23h 58m
2 stops
$533Multiple Airlines
Sat, Jun 27 - Mon, Jul 20

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets
WestJet
May 15
DEN12:15 pmDenver Intl
15h 20m
1 stop
YOW5:35 amOttawa
Jun 2
YOW4:15 pmOttawa
21h 05m
1 stop
DEN11:20 amDenver Intl
$474
WestJet
Jun 27
DEN12:15 pmDenver Intl
15h 20m
1 stop
YOW5:35 amOttawa
Jul 20
YOW8:15 pmOttawa
17h 05m
1 stop
DEN11:20 amDenver Intl
$552
WestJet
May 15
DEN12:15 pmDenver Intl
46h 15m
2 stops
YOW12:30 pmOttawa
Jun 2
YOW6:15 pmOttawa
19h 05m
2 stops
DEN11:20 amDenver Intl
$580

United Airlines flights from Denver to Ottawa

Our best United Airlines deals on Denver to Ottawa flight tickets
United Airlines
Apr 24
DEN7:55 amDenver Intl
11h 40m
2 stops
YOW9:35 pmOttawa
Apr 27
YOW6:00 amOttawa
12h 00m
3 stops
DEN4:00 pmDenver Intl
$1,109
United Airlines
Apr 24
DEN7:55 amDenver Intl
11h 40m
2 stops
YOW9:35 pmOttawa
Apr 27
YOW2:05 pmOttawa
10h 05m
2 stops
DEN10:10 pmDenver Intl
$1,112
United Airlines
Apr 20
DEN5:50 pmDenver Intl
18h 09m
2 stops
YOW1:59 pmOttawa
Apr 23
YOW5:25 pmOttawa
15h 35m
2 stops
DEN7:00 amDenver Intl
$1,125

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 13, 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

Wed 5/6

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Wed 5/13

7:00 am-10:04 am

2 stops29h 04m

$447

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/15

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Tue 6/2

7:20 am-12:09 am

2 stops18h 49m

$453

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 5/13

6:45 am-12:15 pm

2 stops27h 30m

Ottawa

Sun 5/17

2:00 pm-11:20 am

1 stop23h 20m

$471

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/15

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Tue 6/2

4:15 pm-11:20 am

1 stop21h 05m

$474

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 4/30

10:35 pm-5:35 am

2 stops29h 00m

Ottawa

Tue 5/5

4:15 pm-11:20 am

1 stop21h 05m

$486

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 6/1

11:40 pm-5:40 pm

2 stops16h 00m

Ottawa

Fri 6/5

4:15 pm-11:20 am

1 stop21h 05m

$504

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 5/9

6:55 am-12:15 pm

2 stops27h 20m

Ottawa

Sat 5/16

7:20 am-11:20 am

1 stop30h 00m

$506
Quickest round-trip

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 4/26

5:15 am-12:25 am

2 stops17h 10m

Ottawa

Wed 4/29

9:30 am-10:59 pm

1 stop15h 29m

$515

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/15

5:00 pm-5:35 pm

2 stops22h 35m

Ottawa

Thu 5/21

4:15 pm-11:20 am

1 stop21h 05m

$524

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 6/27

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Mon 7/20

6:00 am-3:58 am

2 stops23h 58m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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

8h 01m

Direct flights

None
The fastest flight from Denver to Ottawa takes 8h 01m
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 8h 01m.

  • 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 $290Free CancellationRating
7.1
10,923 reviews
Search Air Canada flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,581 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 5/13
Wed 5/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada