DEN - YOW

$223 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
$361
Typical prices: $462-$884
Multiple Airlines
Sun 9/30Sun 10/7
DEN - YOW • 2 stops
Cheapest one-way
$224
Typical prices: $330-$743
Multiple Airlines
Sun 12/9
DEN - YOW • 2 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
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

Thu, Sep 10 - Sun, Sep 20
WestJet Logo
12:15 pm - 12:30 pmDEN  Denver Intl-YOW Ottawa
22h 15m2 stops Calgary Edmonton
WestJet Logo
7:20 am - 11:20 amYOW  Ottawa-DEN Denver Intl
30h 00m1 stop Calgary
$356WestJet
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
10:38 am - 12:20 amDEN  Denver Intl-YOW Ottawa
11h 42m2 stops Nashville Intl Toronto Pearson Intl
Multiple Airlines Logo
8:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
17h 05m1 stop Calgary
$361Multiple Airlines
Fri, Sep 25 - Mon, Sep 28
Multiple Airlines Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
Multiple Airlines Logo
8:00 am - 5:16 pmYOW  Ottawa-DEN Denver Intl
11h 16m2 stops Toronto Island Nashville Intl
$365Multiple Airlines
Thu, Sep 10 - Sun, Sep 20
WestJet Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
WestJet Logo
7:20 am - 11:20 amYOW  Ottawa-DEN Denver Intl
30h 00m1 stop Calgary
$367WestJet
Fri, Sep 25 - Fri, Sep 25
United Airlines Logo
6:00 am - 2:17 pmDEN  Denver Intl-YOW Ottawa
6h 17m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
5:20 pm - 11:54 pmYOW  Ottawa-DEN Denver Intl
8h 34m1 stop Chicago O'Hare Intl
$814United Airlines
Thu, Oct 8 - Tue, Oct 13
Air Canada Logo
12:05 pm - 12:53 amDEN  Denver Intl-YOW Ottawa
10h 48m1 stop Vancouver Intl
Air Canada Logo
6:00 am - 10:31 amYOW  Ottawa-DEN Denver Intl
6h 31m1 stop Montreal Pierre Elliott Trudeau Intl
$837Air Canada
Tue, Oct 13 - Sun, Oct 25
Air Canada Logo
9:40 am - 5:29 pmDEN  Denver Intl-YOW Ottawa
5h 49m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 am - 6:13 pmYOW  Ottawa-DEN Denver Intl
12h 28m1 stop Vancouver Intl
$883Air Canada
Sat, Oct 24 - Wed, Oct 28
Air Canada Logo
11:25 am - 7:45 pmDEN  Denver Intl-YOW Ottawa
6h 20m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:45 am - 6:13 pmYOW  Ottawa-DEN Denver Intl
12h 28m1 stop Vancouver Intl
$883Air Canada
Thu, Oct 15 - Fri, Oct 23
United Airlines Logo
6:00 am - 5:16 pmDEN  Denver Intl-YOW Ottawa
9h 16m1 stop Chicago O'Hare Intl
United Airlines Logo
6:25 am - 3:17 pmYOW  Ottawa-DEN Denver Intl
10h 52m1 stop Chicago O'Hare Intl
$894United Airlines
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
12:22 pm - 11:54 pmDEN  Denver Intl-YOW Ottawa
9h 32m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
2:52 pm - 12:30 amYOW  Ottawa-DEN Denver Intl
11h 38m1 stop Washington, D.C. Dulles Intl
$896United 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 from Denver to Ottawa with more confidence.

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

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

Find deals

Key details for Denver to Ottawa flights

Low season

December

Cheapest flight

$224
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly with an average 7% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

  • 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

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 50% on the Denver to Ottawa route. 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.

  • What popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are Downtown Ottawa, Parliament Hill and Garden of the Provinces and Territories. These are among the most viewed places in Ottawa on KAYAK.

  • How long is a flight from Denver to Ottawa?

    A nonstop flight from Denver to Ottawa takes 0h 00m, covering 1,513 miles.

  • What are the earliest and latest flights from Denver to Ottawa?

    These are the earliest and latest flight times available from Denver to Ottawa:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

  • 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 $361 to $1,347. That means the highest observed fare was about 4x 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 $343, which is 30% below the typical average for this route.

  • 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 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

  • 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.

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 can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $444 - about $440 less than Friday (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
    - Ramada by Wyndham Ottawa On The Rideau
    - Fairfield Inn & Suites by Marriott Ottawa Airport

Everything you need to know for your flight from Denver to Ottawa

Information on your arrival and departure airports

Denver (DEN)
Ottawa (YOW)