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DEN - YOW

$242 Find Cheap Flights from Denver to Ottawa - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$481
Typical prices: $462-$884
Multiple Airlines
Sun 10/28Sun 11/4
DEN - YOW • 2 stops
Cheapest one-way
$515
Typical prices: $330-$743
United Airlines
Tue 10/16
DEN - YOW • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Denver and Ottawa. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 48% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg $469 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 6h 10m (one-way)
Insights
Insights
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We hope you love your trip to Ottawa!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Denver to Ottawa (DEN-YOW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Ottawa

Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
6:31 pm - 5:20 pmDEN  Denver Intl-YOW Ottawa
20h 49m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
7:05 am - 9:33 pmYOW  Ottawa-DEN Denver Intl
16h 28m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
$481Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Multiple Airlines Logo
7:50 pm - 1:32 pmDEN  Denver Intl-YOW Ottawa
15h 42m2 stops Vancouver Intl Calgary
Multiple Airlines Logo
5:45 am - 9:32 pmYOW  Ottawa-DEN Denver Intl
17h 47m3 stops Montreal Pierre Elliott Trudeau Intl Newark Atlanta Hartsfield-Jackson
$505Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
6:31 pm - 5:20 pmDEN  Denver Intl-YOW Ottawa
20h 49m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
Multiple Airlines Logo
8:25 am - 8:13 amYOW  Ottawa-DEN Denver Intl
25h 48m3 stops Toronto Island Nashville Intl Orlando
$508Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
Multiple Airlines Logo
7:02 pm - 4:44 pmDEN  Denver Intl-YOW Ottawa
19h 42m1 stop Orlando
Multiple Airlines Logo
5:30 am - 8:24 amYOW  Ottawa-DEN Denver Intl
28h 54m2 stops Toronto Pearson Intl Tampa
$514Multiple Airlines
Thu, Nov 12 - Thu, Nov 19
Air Canada Logo
11:48 am - 12:56 amDEN  Denver Intl-YOW Ottawa
11h 08m1 stop Vancouver Intl
Air Canada Logo
7:50 am - 4:36 pmYOW  Ottawa-DEN Denver Intl
10h 46m1 stop Calgary
$867Air Canada
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
6:00 am - 10:35 pmDEN  Denver Intl-YOW Ottawa
14h 35m1 stop Newark
United Airlines Logo
6:00 am - 11:35 pmYOW  Ottawa-DEN Denver Intl
19h 35m1 stop Newark
$874United Airlines
Mon, Dec 28 - Tue, Dec 29
United Airlines Logo
12:51 am - 1:11 pmDEN  Denver Intl-YOW Ottawa
10h 20m1 stop Newark
United Airlines Logo
4:42 pm - 11:20 pmYOW  Ottawa-DEN Denver Intl
8h 38m1 stop Chicago O'Hare Intl
$883United Airlines
Tue, Dec 29 - Wed, Dec 30
United Airlines Logo
7:15 pm - 1:11 pmDEN  Denver Intl-YOW Ottawa
15h 56m1 stop Newark
United Airlines Logo
4:42 pm - 11:53 pmYOW  Ottawa-DEN Denver Intl
9h 11m1 stop Chicago O'Hare Intl
$883United Airlines
Wed, Dec 2 - Sat, Dec 5
Air Canada Logo
11:25 am - 7:52 pmDEN  Denver Intl-YOW Ottawa
6h 27m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 am - 6:13 pmYOW  Ottawa-DEN Denver Intl
12h 28m1 stop Vancouver Intl
$903Air Canada
Mon, Dec 28 - Thu, Dec 31
Air Canada Logo
11:25 am - 7:52 pmDEN  Denver Intl-YOW Ottawa
6h 27m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
2:55 pm - 8:27 pmYOW  Ottawa-DEN Denver Intl
7h 32m1 stop Montreal Pierre Elliott Trudeau Intl
$907Air Canada
Booking Insights

Price, demand and travel trends for Denver to Ottawa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Denver to Ottawa?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Denver to Ottawa. It’s 42% cheaper than the average day, while Friday is the most expensive, with prices 15% higher.

Find deals

Key details for Denver to Ottawa flights

Low season

December

Cheapest flight

$481
Beat the crowds with an average 35% drop in travelers.
Round-trip flight from Denver to Ottawa

When to book flights from Denver to Ottawa

Are your dates flexible? Find out the best times to travel from Denver to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Denver to Ottawa flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Denver to Ottawa?

    Only Economy Class is available on flights from Denver to Ottawa.

  • How long is a flight from Denver to Ottawa?

    A nonstop flight from Denver to Ottawa takes 00m, covering 1,513 miles.

  • Do I need a passport to fly from Denver to Ottawa?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Denver to Ottawa flight?

    Round-trip flights from Denver to Ottawa range from $462 to $884, with an average of $764 over the past 12 months. Anything below $462 counts as a good deal.

  • Have flight prices from Denver to Ottawa changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $481 to $2,560. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Denver to Ottawa looking right now?

    One-way fares from Denver to Ottawa are currently higher than usual. Average one-way flight prices are about $515, which is 5% above the typical average for this route.

  • What car rental options are available at Ottawa Airport (YOW)?

    Ottawa Airport (YOW) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Europcar
    • Alamo
    • Budget
    • Enterprise Rent-A-Car

  • Which airports can I use when flying from Denver to Ottawa?

    Flights from Denver to Ottawa usually depart from Denver Intl (DEN) and arrive at Ottawa (YOW).

  • Which airports do connecting flights from Denver to Ottawa pass through?

    One-stop flights from Denver to Ottawa most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 36% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 34% of one-stop connections
    • Calgary (YYC) - 13% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to Ottawa?

    Yes. Flexible dates can save you up to 50% on flights from Denver to Ottawa. Tuesday is the cheapest departure day at $444 round-trip on average, while Friday is the most expensive at $884, a difference of $440.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Denver to Ottawa?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 6h 10m, compared with 6h 18m via Chicago O'Hare Intl (ORD) and 6h 32m via Toronto Pearson Intl (YYZ).

  • What is the time difference between Denver and Ottawa?

    Ottawa is 2 hours ahead of Denver (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are Garden of the Provinces and Territories, Nepean Sportsplex and National Arts Centre. These are among the most viewed places in Ottawa on KAYAK.

Your guide to booking Denver to Ottawa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $444, about $440 less than Friday fares (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Denver to Ottawa trip for October. Fares historically average $397 round-trip in that month - typically $745 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ottawa Airport.

    • Hilton Garden Inn Ottawa Airport
    • Hampton Inn by Hilton Ottawa Airport
    • Fairfield Inn & Suites by Marriott Ottawa Airport

More options for your flight from Denver to Ottawa

Complete your trip to Ottawa with a hotel stay or car rental

Car rentals in Ottawa
Hotels in Ottawa
Vacations in Ottawa