In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

What is the cheapest time of day to fly from CO to YOW?

When flying from Colorado to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

C$ 599+ Cheap Flights from Colorado to Ottawa

Cheap flight deals from Colorado to Ottawa

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from Colorado to Ottawa
Explore the most affordable flight options available from Colorado to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Thu 3/128:46 p.m. -

2 stops24h 59m

Tue 8/124:40 p.m. -

1 stop17h 33m

Deal found 28/10C$ 599

Thu 26/116:45 a.m. -

2 stops14h 55m

Thu 3/124:40 p.m. -

1 stop17h 29m

Deal found 29/10C$ 603

Wed 2/127:25 a.m. -

2 stops14h 15m

Tue 8/124:40 p.m. -

1 stop17h 33m

Deal found 28/10C$ 608

Fri 4/127:10 a.m. -

2 stops14h 35m

Tue 8/124:40 p.m. -

1 stop17h 33m

Deal found 28/10C$ 613

Tue 1/1210:18 a.m. -

2 stops35h 02m

Tue 8/124:40 p.m. -

1 stop17h 33m

Deal found 28/10C$ 620

Fri 4/129:04 a.m. -

2 stops13h 37m

Sun 6/1212:50 p.m. -

2 stops21h 23m

Deal found 26/10C$ 631

Tue 1/1211:59 p.m. -

1 stop14h 46m

Mon 7/1210:15 a.m. -

2 stops23h 58m

Deal found 28/10C$ 632

Thu 3/127:25 a.m. -

2 stops14h 15m

Mon 7/128:00 a.m. -

1 stop15h 30m

Deal found 28/10C$ 643

Thu 3/127:25 a.m. -

2 stops14h 15m

Sat 5/124:40 p.m. -

1 stop17h 33m

Deal found 28/10C$ 648

Find flight deals from Colorado to Ottawa

Round-trip from	C$ 597
One-way from	C$ 338
Popular in	October
Cheapest in	August
Average price	C$ 1,656

25/11-2/12
3 total stops
32h 05m total
Colorado to Ottawa

Search Deals

24/12-31/12
2 total stops
23h 11m total
Colorado to Ottawa

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 214 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 26/11

6:45 a.m.-11:40 p.m.

2 stops14h 55m

Ottawa

Thu 3/12

4:40 p.m.-8:09 a.m.

1 stop17h 29m

C$ 603

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sat 12/12

8:16 p.m.-2:32 p.m.

2 stops16h 16m

Ottawa

Thu 17/12

5:40 p.m.-12:18 p.m.

2 stops20h 38m

C$ 864

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Sat 19/12

10:29 p.m.-1:10 p.m.

2 stops36h 41m

Ottawa

Mon 28/12

9:15 a.m.-10:47 p.m.

1 stop15h 32m

C$ 1,099

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 2/12

6:10 a.m.-11:40 p.m.

2 stops15h 30m

Ottawa

Fri 4/12

5:30 a.m.-5:14 p.m.

2 stops13h 44m

C$ 1,168

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 1/12

10:35 a.m.-11:40 p.m.

2 stops11h 05m

Ottawa

Sun 6/12

5:30 a.m.-5:14 p.m.

2 stops13h 44m

C$ 1,168

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 3/12

6:10 a.m.-11:40 p.m.

2 stops15h 30m

Ottawa

Sun 6/12

5:30 a.m.-5:14 p.m.

2 stops13h 44m

C$ 1,168

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Thu 3/12

6:10 a.m.-11:40 p.m.

2 stops15h 30m

Ottawa

Sat 5/12

5:30 a.m.-5:14 p.m.

2 stops13h 44m

C$ 1,168

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Tue 1/12

10:35 a.m.-11:40 p.m.

2 stops11h 05m

Ottawa

Fri 4/12

5:30 a.m.-5:14 p.m.

2 stops13h 44m

C$ 1,168

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 2/12

10:35 a.m.-11:40 p.m.

2 stops11h 05m

Ottawa

Tue 8/12

5:30 a.m.-5:14 p.m.

2 stops13h 44m

C$ 1,168

Quickest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Mon 15/2

11:25 a.m.-7:52 p.m.

1 stop6h 27m

Ottawa

Sun 28/2

7:45 a.m.-6:13 p.m.

1 stop12h 28m

C$ 1,255

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Sorted by cheapest first

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.

DEN-YOW

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

USCO-YOW

DEN-YOW

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

Currently, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 966). Flying from Colorado to Ottawa in October is currently the most expensive (average of C$ 1,656). 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.

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.
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, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 966). Flying from Colorado to Ottawa in October is currently the most expensive (average of C$ 1,656). 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

Gatineau

Prescott

Brockville

Wakefield

Pembroke

Smiths Falls

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How does Cheapflights help users find flights from Colorado to Ottawa?

Cheapflights helps you search for flights from Colorado to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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Cheap flights from Colorado to Ottawa from C$ 599

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Colorado to Ottawa

Cheapest flights from Colorado to OttawaExplore the most affordable flight options available from Colorado to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Colorado to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Colorado to OttawaDiscover carefully curated flight deals from Colorado to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Colorado to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Colorado to OttawaDiscover last-minute flight deals from Colorado to Ottawa. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Ottawa. Data last updated 30 October 2026 and is based on user searches.

Find flight deals from Colorado to Ottawa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Related info for your journey

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

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

How can I find direct flights from Colorado to Ottawa?

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

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

Travelling to a place near Ottawa?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from Colorado to Ottawa by cabin class

Find flights from Colorado to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Colorado and Ottawa flights

Browse other Colorado and Ottawa flight options. Last updated on 30 October 2026.

Other flights to Ottawa

Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Colorado to Ottawa flights

Consider these flights travelling from Colorado to Ottawa.

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How does Cheapflights help users find flights from Colorado to Ottawa?

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

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

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

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Cheapest flights from Colorado to Ottawa
Explore the most affordable flight options available from Colorado to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Colorado to Ottawa
Discover carefully curated flight deals from Colorado to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Colorado to Ottawa
Discover last-minute flight deals from Colorado to Ottawa. Data last updated 30 October 2026 and is based on user searches.