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Cheap flights from Denver to Ottawa from $147

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 1/23. 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

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Multiple Airlines Logo
7:00 am - 5:15 pm
DEN
-
YOW
8h 15m1 stop
Multiple Airlines Logo
5:40 am - 2:06 pm
YOW
-
DEN
34h 26m2 stops
$299Multiple Airlines
ש', ינו' 31 - ב', פב​​​​​​​' 9
Multiple Airlines Logo
7:00 am - 5:15 pm
DEN
-
YOW
8h 15m1 stop
Multiple Airlines Logo
4:20 pm - 8:20 am
YOW
-
DEN
18h 00m1 stop
$313Multiple Airlines
ש', ינו' 31 - ב', פב​​​​​​​' 9
Multiple Airlines Logo
7:00 am - 5:15 pm
DEN
-
YOW
8h 15m1 stop
Multiple Airlines Logo
4:15 pm - 12:03 pm
YOW
-
DEN
45h 48m2 stops
$342Multiple Airlines
ש', ינו' 24 - ה', ינו' 29
Multiple Airlines Logo
10:01 am - 2:45 pm
DEN
-
YOW
26h 44m2 stops
Multiple Airlines Logo
9:30 am - 10:00 am
YOW
-
DEN
26h 30m1 stop
$351Multiple Airlines
ה', ינו' 22 - ג', ינו' 27
Multiple Airlines Logo
6:32 pm - 11:58 pm
DEN
-
YOW
27h 26m1 stop
Multiple Airlines Logo
9:30 am - 10:00 am
YOW
-
DEN
26h 30m1 stop
$423Multiple Airlines
ה', ינו' 22 - ג', ינו' 27
Multiple Airlines Logo
7:00 am - 5:15 pm
DEN
-
YOW
8h 15m1 stop
Multiple Airlines Logo
9:30 am - 5:36 pm
YOW
-
DEN
10h 06m1 stop
$428Multiple Airlines
ש', ינו' 24 - ה', ינו' 29
Multiple Airlines Logo
8:52 pm - 5:15 pm
DEN
-
YOW
42h 23m2 stops
Multiple Airlines Logo
4:20 pm - 7:55 am
YOW
-
DEN
17h 35m1 stop
$453Multiple Airlines
א', פב​​​​​​​' 15 - א', פב​​​​​​​' 22
Multiple Airlines Logo
9:02 pm - 5:25 pm
DEN
-
YOW
18h 23m2 stops
Multiple Airlines Logo
9:30 am - 11:07 pm
YOW
-
DEN
15h 37m1 stop
$465Multiple Airlines
ב', ינו' 12 - ו', ינו' 16
WestJet Logo
12:15 pm - 12:40 am
DEN
-
YOW
10h 25m1 stop
WestJet Logo
6:15 am - 6:50 pm
YOW
-
DEN
14h 35m2 stops
$488WestJet
ד', מאי 27 - א', מאי 31
WestJet Logo
12:15 pm - 12:40 am
DEN
-
YOW
10h 25m1 stop
WestJet Logo
3:45 pm - 11:25 am
YOW
-
DEN
21h 40m1 stop
$516WestJet
ד', מאי 27 - א', מאי 31

WestJet flights from Denver to Ottawa

Our best WestJet deals on Denver to Ottawa flight tickets
WestJet
May 27
DEN12:15 pmDenver Intl
10h 25m
1 stop
YOW12:40 amOttawa
May 31
YOW6:15 amOttawa
14h 35m
2 stops
DEN6:50 pmDenver Intl
$488
Find similar
WestJet
May 27
DEN12:15 pmDenver Intl
10h 25m
1 stop
YOW12:40 amOttawa
May 31
YOW6:15 amOttawa
14h 35m
2 stops
DEN6:50 pmDenver Intl
$511
Find similar
WestJet
May 27
DEN12:15 pmDenver Intl
10h 25m
1 stop
YOW12:40 amOttawa
May 31
YOW3:45 pmOttawa
21h 40m
1 stop
DEN11:25 amDenver Intl
$516
Find similar

Air Canada flights from Denver to Ottawa

Our best Air Canada deals on Denver to Ottawa flight tickets
Air Canada
Jan 23
DEN7:05 pmDenver Intl
9h 38m
1 stop
YOW6:43 amOttawa
Jan 26
YOW2:50 pmOttawa
7h 05m
1 stop
DEN7:55 pmDenver Intl
$752
Find similar
Air Canada
Jan 23
DEN7:05 pmDenver Intl
9h 38m
1 stop
YOW6:43 amOttawa
Jan 26
YOW10:30 amOttawa
11h 25m
2 stops
DEN7:55 pmDenver Intl
$786
Find similar
Air Canada
Jan 23
DEN9:35 amDenver Intl
10h 43m
2 stops
YOW10:18 pmOttawa
Jan 26
YOW10:30 amOttawa
11h 25m
2 stops
DEN7:55 pmDenver Intl
$799
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 ינואר 2, 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

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ש' 1/31

7:00 am-5:15 pm

1 stop8h 15m

Ottawa

ב' 2/9

5:40 am-2:06 pm

2 stops34h 26m

$299

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ש' 1/31

7:00 am-5:15 pm

1 stop8h 15m

Ottawa

ב' 2/9

4:20 pm-8:20 am

1 stop18h 00m

$313

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ש' 1/24

7:00 am-5:15 pm

1 stop8h 15m

Ottawa

ה' 1/29

4:15 pm-12:03 pm

2 stops45h 48m

$342

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ה' 1/22

10:01 am-2:45 pm

2 stops26h 44m

Ottawa

ג' 1/27

9:30 am-10:00 am

1 stop26h 30m

$351

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ה' 1/22

6:32 pm-11:58 pm

1 stop27h 26m

Ottawa

ג' 1/27

9:30 am-10:00 am

1 stop26h 30m

$423

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ש' 1/24

7:00 am-5:15 pm

1 stop8h 15m

Ottawa

ה' 1/29

9:30 am-5:36 pm

1 stop10h 06m

$428

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

א' 2/15

8:52 pm-5:15 pm

2 stops42h 23m

Ottawa

א' 2/22

4:20 pm-7:55 am

1 stop17h 35m

$453

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ב' 1/12

9:02 pm-5:25 pm

2 stops18h 23m

Ottawa

ו' 1/16

9:30 am-11:07 pm

1 stop15h 37m

$465

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ד' 5/27

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

א' 5/31

6:15 am-6:50 pm

2 stops14h 35m

$488

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

ד' 5/27

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

א' 5/31

3:45 pm-11:25 am

1 stop21h 40m

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

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

8h 15m

Direct flights

None
The fastest flight from Denver to Ottawa takes 8h 15m
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 8h 15m.

  • 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
3,230 reviews
Search WestJet flights
Air CanadaPriceFrom $290Free CancellationRating
7.1
10,574 reviews
Search Air Canada flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,132 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
Brockville
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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