DEN - YOW

$163 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
$386
Typical prices: $462-$884
WestJet
Mon 10/8Thu 10/11
DEN - YOW • 1 stop
Cheapest one-way
$163
Typical prices: $330-$743
Multiple Airlines
Mon 9/24
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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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, Oct 8 - Sun, Oct 11
WestJet Logo
12:15 pm - 3:20 pmDEN  Denver Intl-YOW Ottawa
25h 05m1 stop Calgary
WestJet Logo
4:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
21h 05m1 stop Calgary
$386WestJet
Thu, Sep 17 - Tue, Sep 22
Multiple Airlines Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
Multiple Airlines Logo
1:20 pm - 12:11 pmYOW  Ottawa-DEN Denver Intl
24h 51m2 stops Calgary Phoenix Sky Harbor Intl
$391Multiple Airlines
Fri, Oct 2 - Sun, Oct 4
WestJet Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
WestJet Logo
4:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
21h 05m1 stop Calgary
$413WestJet
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
10:38 am - 12:20 amDEN  Denver Intl-YOW Ottawa
11h 42m2 stops Nashville Intl Toronto Pearson Intl
Multiple Airlines Logo
4:15 pm - 7:52 amYOW  Ottawa-DEN Denver Intl
17h 37m1 stop Orlando
$416Multiple Airlines
Thu, Oct 8 - Tue, Oct 13
Air Canada Logo
11:25 am - 10:10 pmDEN  Denver Intl-YOW Ottawa
8h 45m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
2:35 pm - 6:46 pmYOW  Ottawa-DEN Denver Intl
6h 11m1 stop Montreal Pierre Elliott Trudeau Intl
$818Air Canada
Sat, Sep 26 - Sun, Sep 27
United Airlines Logo
11:52 pm - 2:17 pmDEN  Denver Intl-YOW Ottawa
12h 25m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:01 pm - 8:16 amYOW  Ottawa-DEN Denver Intl
16h 15m1 stop Newark
$870United 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
10:40 am - 6:22 pmYOW  Ottawa-DEN Denver Intl
9h 42m1 stop Washington, D.C. Reagan-National
$896United Airlines
Thu, Sep 17 - Tue, Sep 22
United Airlines Logo
7:13 pm - 9:11 amDEN  Denver Intl-YOW Ottawa
11h 58m1 stop Newark
United Airlines Logo
2:52 pm - 12:30 amYOW  Ottawa-DEN Denver Intl
11h 38m1 stop Washington, D.C. Dulles Intl
$903United Airlines
Mon, Sep 28 - Tue, Sep 29
Air Canada Logo
9:40 am - 7:45 pmDEN  Denver Intl-YOW Ottawa
8h 05m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:55 am - 4:58 pmYOW  Ottawa-DEN Denver Intl
12h 03m1 stop Vancouver Intl
$905Air Canada
Thu, Sep 10 - Mon, Sep 14
Air Canada Logo
6:05 pm - 8:15 amDEN  Denver Intl-YOW Ottawa
12h 10m1 stop Toronto Pearson Intl
Air Canada Logo
9:00 am - 6:46 pmYOW  Ottawa-DEN Denver Intl
11h 46m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$985Air 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 from Denver to Ottawa with more confidence.

How much is a round-trip flight from Denver to Ottawa?

Round-trip flights from Denver to Ottawa start at $386. Prices are below average for this route right now, with typical round-trip fares ranging from $462 to $884. The lowest price found in the past 5 days was $386 on WestJet.

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.

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Key details for Denver to Ottawa flights

Low season

December

Cheapest flight

$163
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.

  • 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 $386 to $2,362. That means the highest observed fare was about 6x 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 $281, which is 43% 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
    - Fairfield Inn & Suites by Marriott Ottawa Airport
    - Hampton Inn by Hilton 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)