YOW - DEN

$196 Find Cheap Flights from Ottawa to Denver - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$335
Typical prices: $367-$627
WestJet
Wed 9/19Tue 9/25
YOW - DEN • 1 stop
Cheapest one-way
$196
Typical prices: $344-$507
WestJet
Thu 9/20
YOW - DEN • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Ottawa and Denver. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 49% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg $290 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 6h 29m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ottawa to Denver (YOW-DEN)

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

Recent round-trip flight deals from Ottawa to Denver

Sat, Sep 19 - Fri, Sep 25
WestJet Logo
7:20 am - 11:20 amYOW  Ottawa-DEN Denver Intl
30h 00m1 stop Calgary
WestJet Logo
12:15 pm - 3:20 pmDEN  Denver Intl-YOW Ottawa
25h 05m1 stop Calgary
$335WestJet
Thu, Sep 24 - Thu, Oct 1
WestJet Logo
8:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
17h 05m1 stop Calgary
WestJet Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
$341WestJet
Thu, Sep 3 - Tue, Sep 8
Multiple Airlines Logo
8:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
17h 05m1 stop Calgary
Multiple Airlines Logo
10:48 pm - 7:20 pmDEN  Denver Intl-YOW Ottawa
18h 32m2 stops Phoenix Sky Harbor Intl Calgary
$349Multiple Airlines
Thu, Oct 1 - Sun, Oct 4
WestJet Logo
7:20 am - 11:20 amYOW  Ottawa-DEN Denver Intl
30h 00m1 stop Calgary
WestJet Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
$354WestJet
Wed, Oct 14 - Fri, Oct 16
Air Canada Logo
2:35 pm - 6:46 pmYOW  Ottawa-DEN Denver Intl
6h 11m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:40 am - 5:29 pmDEN  Denver Intl-YOW Ottawa
5h 49m1 stop Montreal Pierre Elliott Trudeau Intl
$597Air Canada
Mon, Oct 12 - Fri, Oct 16
Air Canada Logo
6:55 am - 4:58 pmYOW  Ottawa-DEN Denver Intl
12h 03m1 stop Vancouver Intl
Air Canada Logo
11:25 am - 8:50 pmDEN  Denver Intl-YOW Ottawa
7h 25m1 stop Montreal Pierre Elliott Trudeau Intl
$677Air Canada
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
6:15 am - 10:26 amYOW  Ottawa-DEN Denver Intl
6h 11m1 stop Chicago O'Hare Intl
United Airlines Logo
7:15 pm - 1:11 pmDEN  Denver Intl-YOW Ottawa
15h 56m1 stop Newark
$678United Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
6:15 am - 5:49 pmYOW  Ottawa-DEN Denver Intl
13h 34m1 stop Chicago O'Hare Intl
United Airlines Logo
11:59 pm - 3:07 pmDEN  Denver Intl-YOW Ottawa
13h 08m1 stop Washington, D.C. Dulles Intl
$678United Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
4:46 pm - 10:44 pmYOW  Ottawa-DEN Denver Intl
7h 58m1 stop Chicago O'Hare Intl
United Airlines Logo
8:30 pm - 1:11 pmDEN  Denver Intl-YOW Ottawa
14h 41m2 stops Houston George Bush Intcntl Newark
$678United Airlines
Fri, Oct 2 - Fri, Oct 9
Air Canada Logo
6:55 am - 4:58 pmYOW  Ottawa-DEN Denver Intl
12h 03m1 stop Vancouver Intl
Air Canada Logo
7:50 pm - 4:23 pmDEN  Denver Intl-YOW Ottawa
18h 33m1 stop Vancouver Intl
$687Air Canada
Booking Insights

Price, demand and travel trends for Ottawa to Denver flights

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

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

Round-trip flights from Ottawa to Denver start at $335. Prices are below average for this route right now, with typical round-trip fares ranging from $367 to $627. The lowest price found in the past 5 days was $335 on WestJet.

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

Saturday is the cheapest day of the week to fly from Ottawa to Denver, it is 19% cheaper than the average day. Monday is the most expensive day with flight prices 17% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Ottawa to Denver?

  • September is the cheapest month to fly from Ottawa to Denver at $291 round-trip.
  • November ($869) and January ($798) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 198% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for Ottawa to Denver flights

Low season

February

Cheapest flight

$196
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 53% increase in price.
Flight from Ottawa to Denver

When to book flights from Ottawa to Denver

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

Your Ottawa to Denver 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 Ottawa to Denver?

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

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

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

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

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

    • Toronto Pearson Intl (YYZ) - 52% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 30% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 11% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 3% of one-stop connections

    Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

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

    On the Ottawa to Denver route, being flexible with your departure day can save you up to 31%. Saturday is the cheapest day at $464 round-trip on average, while Monday is the most expensive at $668: a $204 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Denver?

    Some of the most popular sights in Denver are Colorado Convention Center, Union Station Denver and Coors Field. These are among the most viewed places in Denver on KAYAK.

  • How long is a flight from Ottawa to Denver?

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

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

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

    • 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 Ottawa to Denver?

    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 Ottawa to Denver 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 $335 to $1,652. That means the highest observed fare was about 5x higher than the lowest one.

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

    One-way fares from Ottawa to Denver are currently lower than usual. Average one-way flight prices are about $287, which is 32% below the typical average for this route.

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

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 6h 29m, compared with 6h 47m via Montreal Pierre Elliott Trudeau Intl (YUL) and 6h 54m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Ottawa and Denver?

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

  • What car rental options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Ace
    · NU Car
    · Europcar
    · Hertz

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

    Round-trip flights from Ottawa to Denver range from $367 to $627, with an average of $567 over the past 12 months. Anything below $367 counts as a good deal.

Your guide to booking Ottawa to Denver 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 Saturday departure instead of Monday. On this route, Saturday flights average $464 - about $204 less than Monday (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ottawa to Denver trip for September. Fares historically average $291 round-trip in that month - typically $578 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.
    - The Westin Denver International Airport

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

Information on your arrival and departure airports

Ottawa (YOW)
Denver (DEN)