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DEN - YOW

$203 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
$519
Typical prices: $753-$926
Multiple Airlines
Wed 10/31Sat 11/10
DEN - YOW • 3 stops
Cheapest one-way
$203
Typical prices: $389-$781
Multiple Airlines
Mon 11/19
DEN - YOW • 3 stops
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
February
Cheapest • 8% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg $469 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 6h 12m (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

Sat, Oct 31 - Tue, Nov 10
Multiple Airlines Logo
10:41 am - 12:32 pmDEN  Denver Intl-YOW Ottawa
23h 51m3 stops Atlanta Hartsfield-Jackson Newark Toronto Island
Multiple Airlines Logo
10:30 am - 8:22 amYOW  Ottawa-DEN Denver Intl
23h 52m2 stops Newark Atlanta Hartsfield-Jackson
$519Multiple Airlines
Sat, Oct 31 - Tue, Nov 10
Multiple Airlines Logo
7:00 am - 10:15 pmDEN  Denver Intl-YOW Ottawa
13h 15m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl
Multiple Airlines Logo
10:30 am - 8:22 amYOW  Ottawa-DEN Denver Intl
23h 52m2 stops Newark Atlanta Hartsfield-Jackson
$545Multiple Airlines
Tue, Dec 1 - Wed, Dec 30
Multiple Airlines Logo
8:07 pm - 2:32 pmDEN  Denver Intl-YOW Ottawa
40h 25m2 stops Atlanta Hartsfield-Jackson Newark
Multiple Airlines Logo
6:35 am - 11:01 pmYOW  Ottawa-DEN Denver Intl
18h 26m1 stop Tampa
$561Multiple Airlines
Sat, Oct 31 - Tue, Nov 10
Multiple Airlines Logo
10:41 am - 12:32 pmDEN  Denver Intl-YOW Ottawa
23h 51m3 stops Atlanta Hartsfield-Jackson Newark Toronto Island
Multiple Airlines Logo
8:25 am - 9:34 pmYOW  Ottawa-DEN Denver Intl
15h 09m3 stops Toronto Island Chicago O'Hare Intl Dallas/Fort Worth
$576Multiple Airlines
Wed, Dec 2 - Sat, Dec 5
Air Canada Logo
11:25 am - 7:47 pmDEN  Denver Intl-YOW Ottawa
6h 22m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 am - 6:13 pmYOW  Ottawa-DEN Denver Intl
12h 28m1 stop Vancouver Intl
$742Air Canada
Thu, Nov 5 - Sun, Nov 8
Air Canada Logo
11:25 am - 7:47 pmDEN  Denver Intl-YOW Ottawa
6h 22m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:10 pm - 4:50 pmYOW  Ottawa-DEN Denver Intl
6h 40m1 stop Toronto Pearson Intl
$750Air Canada
Sat, Nov 28 - Wed, Dec 2
Air Canada Logo
11:25 am - 7:47 pmDEN  Denver Intl-YOW Ottawa
6h 22m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 am - 6:13 pmYOW  Ottawa-DEN Denver Intl
12h 28m1 stop Vancouver Intl
$754Air Canada
Wed, Dec 23 - Mon, Jan 4
United Airlines Logo
11:59 pm - 3:07 pmDEN  Denver Intl-YOW Ottawa
13h 08m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 6:10 pmYOW  Ottawa-DEN Denver Intl
14h 10m1 stop Newark
$875United Airlines
Fri, Oct 30 - Tue, Nov 10
United Airlines Logo
11:59 pm - 1:11 pmDEN  Denver Intl-YOW Ottawa
11h 12m1 stop Newark
United Airlines Logo
6:00 am - 11:35 pmYOW  Ottawa-DEN Denver Intl
19h 35m1 stop Newark
$897United Airlines
Fri, Oct 30 - Mon, Nov 9
United Airlines Logo
11:59 pm - 1:11 pmDEN  Denver Intl-YOW Ottawa
11h 12m1 stop Newark
United Airlines Logo
6:00 am - 5:57 pmYOW  Ottawa-DEN Denver Intl
13h 57m1 stop Newark
$897United Airlines
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 43% cheaper than the average day, while Sunday is the most expensive, with prices 9% higher.

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Key details for Denver to Ottawa flights

Low season

February

Cheapest flight

$203
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 83% increase in travelers.
One-way 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 $753 to $926, with an average of $816 over the past 12 months. Anything below $753 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 $519 to $2,388. 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 lower than usual. Average one-way flight prices are about $279, which is 42% below 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) - 49% of one-stop connections
    • Calgary (YYC) - 16% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 16% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 14% 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 48% on flights from Denver to Ottawa. Tuesday is the cheapest departure day at $466 round-trip on average, while Sunday is the most expensive at $892, a difference of $426.

    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 Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 6h 12m, compared with 6h 17m via Chicago O'Hare Intl (ORD) and 6h 18m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • 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 Sunday. On this route, Tuesday flights average $466, about $426 less than Sunday fares (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Denver to Ottawa trip for February. Fares historically average $750 round-trip in that month - typically $392 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