DEN - YOW

C$ 339 Find Cheap Flights from Denver to Ottawa – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 598
Typical prices: C$ 1,055-C$ 1,297
Multiple Airlines
Sun 25/11Sun 2/12
DEN - YOW • 1 stop
Cheapest one-way flights
C$ 339
Typical prices: C$ 544-C$ 1,094
Multiple Airlines
Mon 24/12
DEN - YOW • 2 stops
Direct 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 C$ 657 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 6h 12m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy 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, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
11:59 p.m. - 4:45 p.m.DEN  Denver Intl-YOW Ottawa
14h 46m1 stop Orlando
Multiple Airlines Logo
8:30 a.m. - 11:49 p.m.YOW  Ottawa-DEN Denver Intl
17h 19m2 stops Edmonton Phoenix Sky Harbor Intl
C$ 598Multiple Airlines
1 day ago
Wed, 9 Dec - Wed, 16 Dec
Multiple Airlines Logo
9:00 a.m. - 2:32 p.m.DEN  Denver Intl-YOW Ottawa
27h 32m2 stops Atlanta Hartsfield-Jackson Newark
Multiple Airlines Logo
8:00 a.m. - 3:40 p.m.YOW  Ottawa-DEN Denver Intl
9h 40m1 stop Orlando
C$ 599Multiple Airlines
1 day ago
Fri, 4 Dec - Sun, 6 Dec
Multiple Airlines Logo
9:04 a.m. - 12:41 a.m.DEN  Denver Intl-YOW Ottawa
13h 37m2 stops Tampa Toronto Pearson Intl
Multiple Airlines Logo
12:50 p.m. - 8:13 a.m.YOW  Ottawa-DEN Denver Intl
21h 23m2 stops Toronto Pearson Intl Tampa
C$ 632Multiple Airlines
7 hours ago
Fri, 4 Dec - Sun, 6 Dec
Multiple Airlines Logo
10:29 p.m. - 12:41 a.m.DEN  Denver Intl-YOW Ottawa
24h 12m3 stops Los Angeles Las Vegas Harry Reid Intl Toronto Pearson Intl
Multiple Airlines Logo
12:50 p.m. - 8:13 a.m.YOW  Ottawa-DEN Denver Intl
21h 23m2 stops Toronto Pearson Intl Tampa
C$ 647Multiple Airlines
7 hours ago
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
6:42 a.m. - 12:37 a.m.DEN  Denver Intl-YOW Ottawa
15h 55m3 stops Las Vegas Harry Reid Intl Edmonton Toronto Pearson Intl
Multiple Airlines Logo
8:30 a.m. - 11:49 p.m.YOW  Ottawa-DEN Denver Intl
17h 19m2 stops Edmonton Phoenix Sky Harbor Intl
C$ 657Multiple Airlines
1 day ago
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
6:45 a.m. - 10:02 p.m.DEN  Denver Intl-YOW Ottawa
13h 17m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl
Multiple Airlines Logo
8:30 a.m. - 11:49 p.m.YOW  Ottawa-DEN Denver Intl
17h 19m2 stops Edmonton Phoenix Sky Harbor Intl
C$ 658Multiple Airlines
1 day ago
Thu, 4 Feb - Mon, 8 Feb
Multiple Airlines Logo
10:41 a.m. - 12:07 a.m.DEN  Denver Intl-YOW Ottawa
11h 26m1 stop Tampa
Multiple Airlines Logo
10:00 a.m. - 7:49 p.m.YOW  Ottawa-DEN Denver Intl
35h 49m2 stops Toronto Pearson Intl Tampa
C$ 671Multiple Airlines
2 hours ago
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
11:59 p.m. - 4:45 p.m.DEN  Denver Intl-YOW Ottawa
14h 46m1 stop Orlando
Multiple Airlines Logo
8:00 a.m. - 9:30 p.m.YOW  Ottawa-DEN Denver Intl
15h 30m1 stop Orlando
C$ 674Multiple Airlines
1 day ago
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
6:42 a.m. - 12:37 a.m.DEN  Denver Intl-YOW Ottawa
15h 55m3 stops Las Vegas Harry Reid Intl Edmonton Toronto Pearson Intl
Multiple Airlines Logo
7:00 a.m. - 11:49 p.m.YOW  Ottawa-DEN Denver Intl
18h 49m3 stops Toronto Pearson Intl Edmonton Phoenix Sky Harbor Intl
C$ 676Multiple Airlines
1 day ago
Wed, 9 Dec - Wed, 16 Dec
Multiple Airlines Logo
11:59 p.m. - 4:45 p.m.DEN  Denver Intl-YOW Ottawa
14h 46m1 stop Orlando
Multiple Airlines Logo
8:00 a.m. - 3:40 p.m.YOW  Ottawa-DEN Denver Intl
9h 40m1 stop Orlando
C$ 686Multiple Airlines
1 day ago
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.

Find deals

Key details for Denver to Ottawa flights

Low season

February

Cheapest flight

C$ 339
Beat the crowds with an average 56% drop in traveller numbers.
The most popular month to fly with an average 83% increase in traveller numbers.
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.

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

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

  • How long does a flight from Denver to Ottawa take?

    A direct flight from Denver to Ottawa takes 00m, covering 3,918 km.

  • 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 C$ 1,055 to C$ 1,297, with an average of C$ 1,143 over the past 12 months. Anything below C$ 1,055 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 C$ 598 to C$ 3,146. 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 C$ 383, which is 43% 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 C$ 18 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 C$ 653 round-trip on average, while Sunday is the most expensive at C$ 1,249, a difference of C$ 597.

    KAYAK's flexible dates feature shows options up to three 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 when travelling 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.

  • Which popular places can I visit in Ottawa?

    Some of the most popular sights in Ottawa are National Arts Centre, Shaw Centre, and Canal Rideau Memorial. 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 C$ 653, about C$ 597 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 C$ 1,050 round-trip in that month – typically C$ 549 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
    • Ramada by Wyndham Ottawa On The Rideau

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