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Cheap flights from Denver to Ottawa from $141

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 5/26. 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 - 12:15 pm
DEN
-
YOW
34h 16m
2 stops
Multiple Airlines Logo
7:00 am - 8:24 am
YOW
-
DEN
27h 24m
1 stop
$408Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
11:59 pm - 5:25 pm
DEN
-
YOW
15h 26m
2 stops
Multiple Airlines Logo
9:30 am - 10:59 pm
YOW
-
DEN
15h 29m
1 stop
$450Multiple Airlines
Mon, Apr 27 - Thu, Apr 30
Multiple Airlines Logo
6:45 am - 12:15 pm
DEN
-
YOW
27h 30m
2 stops
Multiple Airlines Logo
7:00 am - 11:11 pm
YOW
-
DEN
18h 11m
1 stop
$473Multiple Airlines
Tue, May 12 - Sat, May 16
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
$475Multiple Airlines
Fri, May 15 - Tue, Jun 2
Multiple Airlines Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
Multiple Airlines Logo
7:00 am - 4:31 pm
YOW
-
DEN
35h 31m
2 stops
$481Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
Multiple Airlines Logo
6:25 pm - 11:44 pm
YOW
-
DEN
31h 19m
2 stops
$487Multiple Airlines
Fri, May 15 - Fri, May 22
Multiple Airlines Logo
12:15 pm - 3:20 pm
DEN
-
YOW
25h 05m
1 stop
Multiple Airlines Logo
9:30 am - 10:59 pm
YOW
-
DEN
15h 29m
1 stop
$489Multiple Airlines
Mon, Apr 27 - Thu, Apr 30
Multiple Airlines Logo
12:15 pm - 5:35 am
DEN
-
YOW
15h 20m
1 stop
Multiple Airlines Logo
6:55 am - 3:25 am
YOW
-
DEN
22h 30m
2 stops
$493Multiple Airlines
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
10:29 pm - 5:35 am
DEN
-
YOW
29h 06m
2 stops
Multiple Airlines Logo
4:15 pm - 11:20 am
YOW
-
DEN
21h 05m
1 stop
$502Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
6:30 am - 12:20 pm
DEN
-
YOW
27h 50m
2 stops
Multiple Airlines Logo
4:15 pm - 11:20 am
YOW
-
DEN
21h 05m
1 stop
$507Multiple Airlines
Wed, Jun 3 - Wed, Jun 10

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets
WestJet
Sep 10
DEN12:15 pmDenver Intl
22h 15m
2 stops
YOW12:30 pmOttawa
Sep 19
YOW1:20 pmOttawa
24h 00m
1 stop
DEN11:20 amDenver Intl
$522
WestJet
Sep 10
DEN12:15 pmDenver Intl
22h 15m
2 stops
YOW12:30 pmOttawa
Sep 19
YOW6:15 pmOttawa
19h 05m
2 stops
DEN11:20 amDenver Intl
$524
WestJet
Sep 10
DEN12:15 pmDenver Intl
15h 20m
1 stop
YOW5:35 amOttawa
Sep 19
YOW4:15 pmOttawa
21h 05m
1 stop
DEN11:20 amDenver Intl
$532

United Airlines flights from Denver to Ottawa

Our best United Airlines deals on Denver to Ottawa flight tickets
United Airlines
Apr 21
DEN5:36 pmDenver Intl
18h 23m
2 stops
YOW1:59 pmOttawa
Apr 24
YOW2:40 pmOttawa
12h 04m
1 stop
DEN12:44 amDenver Intl
$874
United Airlines
Apr 21
DEN5:41 pmDenver Intl
14h 22m
2 stops
YOW10:03 amOttawa
Apr 24
YOW5:50 pmOttawa
8h 09m
1 stop
DEN11:59 pmDenver Intl
$923

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 7, 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

Fri 5/1

11:59 pm-12:15 pm

2 stops34h 16m

Ottawa

Fri 5/8

7:00 am-8:24 am

1 stop27h 24m

$408
Quickest round-trip

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 4/27

11:59 pm-5:25 pm

2 stops15h 26m

Ottawa

Thu 4/30

9:30 am-10:59 pm

1 stop15h 29m

$450

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 5/12

6:45 am-12:15 pm

2 stops27h 30m

Ottawa

Sat 5/16

7:00 am-11:11 pm

1 stop18h 11m

$473

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

$475

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/8

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Fri 5/15

7:00 am-4:31 pm

2 stops35h 31m

$481

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/15

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Fri 5/22

6:25 pm-11:44 pm

2 stops31h 19m

$487

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 4/27

12:15 pm-3:20 pm

1 stop25h 05m

Ottawa

Thu 4/30

9:30 am-10:59 pm

1 stop15h 29m

$489

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/1

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Tue 5/5

6:55 am-3:25 am

2 stops22h 30m

$493

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 6/3

10:29 pm-5:35 am

2 stops29h 06m

Ottawa

Wed 6/10

4:15 pm-11:20 am

1 stop21h 05m

$502

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 6/3

6:30 am-12:20 pm

2 stops27h 50m

Ottawa

Wed 6/10

4:15 pm-11:20 am

1 stop21h 05m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

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 04m

Direct flights

None
The fastest flight from Denver to Ottawa takes 6h 04m
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 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?

  • 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
10,897 reviews
Search Air Canada flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,548 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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