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Cheap flights from Colorado to Ottawa from C$ 342

DEN — YOW
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Colorado to Ottawa

Thu 1/1012:15 p.m. -
1 stop27h 00m
Sat 10/104:15 p.m. -
1 stop21h 05m
Deal found 14/9C$ 522
Sun 27/912:15 p.m. -
1 stop15h 20m
Sat 3/104:15 p.m. -
1 stop21h 05m
Deal found 13/9C$ 578
Mon 26/107:02 p.m. -
1 stop19h 42m
Sun 1/116:10 a.m. -
2 stops29h 49m
Deal found 15/9C$ 681
Sun 27/912:15 p.m. -
1 stop15h 20m
Tue 29/97:00 a.m. -
2 stops28h 32m
Deal found 10/9C$ 695
Mon 26/107:02 p.m. -
1 stop19h 42m
Mon 2/116:10 a.m. -
2 stops19h 43m
Deal found 11/9C$ 697
Thu 1/107:50 p.m. -
3 stops17h 05m
Sat 10/106:25 p.m. -
3 stops18h 55m
Deal found 14/9C$ 720
Fri 30/108:40 a.m. -
2 stops10h 36m
Fri 6/114:46 p.m. -
2 stops9h 13m
Deal found 15/9C$ 1,099
Fri 30/103:58 p.m. -
3 stops24h 00m
Fri 6/117:00 a.m. -
2 stops32h 04m
Deal found 15/9C$ 1,449

Find flight deals from Colorado to Ottawa

Round-trip from

C$ 522

One-way from

C$ 342

Popular in

March

Cheapest in

October

Average price

C$ 1,220
WestJet
  • WestJet
  • 1/10-10/10
  • 2 total stops
  • 48h 05m total
  • Colorado to Ottawa
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WestJet
  • WestJet
  • 25/9-31/12
  • 2 total stops
  • 21h 20m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Colorado to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 25/9

12:15 p.m.-11:35 a.m.

2 stops21h 20m

Ottawa

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 342

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 25/9

12:15 p.m.-7:47 p.m.

3 stops29h 32m

Ottawa

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 367

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 30/10

10:41 a.m.-12:44 a.m.

2 stops12h 03m

Ottawa

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 392

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 1/10

12:15 p.m.-5:15 p.m.

1 stop27h 00m

Ottawa

Sat 10/10

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 522
Quickest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 30/10

11:59 p.m.-1:11 p.m.

1 stop11h 12m

Ottawa

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 527

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Mon 26/10

7:09 p.m.-1:11 p.m.

2 stops16h 02m

Ottawa

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 535

Colorado SpringsOttawa

COS Colorado Springs - YOW Ottawa

COSYOW

Colorado Springs

Fri 25/9

1:29 p.m.-9:11 a.m.

2 stops17h 42m

Ottawa

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 642

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sun 27/9

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Tue 29/9

7:00 a.m.-9:32 a.m.

2 stops28h 32m

C$ 695

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 6/10

6:20 a.m.-5:35 p.m.

2 stops9h 15m

Ottawa

Mon 12/10

6:50 a.m.-9:51 p.m.

2 stops17h 01m

C$ 753

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 2/10

10:28 a.m.-12:20 a.m.

2 stops11h 52m

Ottawa

Sun 11/10

6:55 a.m.-9:51 p.m.

2 stops16h 56m

C$ 753

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Colorado to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Colorado with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Colorado to Ottawa

What is the cheapest month to book a flight from Colorado to Ottawa?

Currently, October is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 583). Flying from Colorado to Ottawa in March is currently the most expensive (average of C$ 1,586). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Colorado to Ottawa?

Airfare is below average for this route at the moment.
Colorado to Ottawa flights typically cost between C$ 1,102 and C$ 1,220 in October.
The cheapest round-trip price found within the last 5 days was C$ 522 on WestJet (1 Oct-10 Oct).

Related info for your journey

  • What airport do you fly into for flights to Ottawa from Colorado?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from Colorado to Ottawa.

  • How long is the flight from Colorado to Ottawa?

    There are many flights that can get you from Colorado to Ottawa in 6h 19m. Fly via WestJet, Delta, or United Airlines to get the fastest option. There are 2486 km between Colorado and Ottawa. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Colorado to Ottawa that include hotel bookings?

    Yes. In addition to deals on Colorado to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Ottawa.

  • Can I find deals for business class flights from Colorado to Ottawa?

    Yes. Cheapflights offers flight deals from Colorado to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 583). Flying from Colorado to Ottawa in March is currently the most expensive (average of C$ 1,586). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Colorado to Ottawa

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Why should you use Cheapflights to find cheap flight tickets from Colorado to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Colorado.

Can Cheapflights find flights from Colorado to Ottawa with no change fees?

Yes, we can. To see specific flights from Colorado to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Colorado to Ottawa become cheaper?

Yes, Cheapflights offers price alerts on Colorado to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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