Find Cheap Flights from Denver to Ottawa (DEN - YOW)

Flights overview

Useful information for finding cheap flights from Denver to Ottawa and booking your next trip

Cheapest round-trip flights	$496	WestJet 1 stop 16 hr Thu, Jul 30 — Wed, Aug 5	The cheapest round-trip flight from Denver to Ottawa is currently $496
Cheapest one-way flight	$214	WestJet 1 stop 16 hr Tue, Jun 2	The cheapest one-way flight from Denver to Ottawa is currently $214
Last-minute weekend getaway	$791	Air Canada 1 stop 16 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from Denver to Ottawa is currently $791
Cheapest business class flights	$1,326	United 1 stop 6 hr Sat, May 16 — Mon, May 25	The cheapest business class round-trip flight from Denver to Ottawa is currently $1,326

Fastest flight	5 hr 29 min	The fastest flight with stops from Denver to Ottawa takes 5 hr 29 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Denver to Ottawa is typically October. The most expensive month to fly is typically December.

October Cheapest	Typical prices: $310–690
December Most expensive	Typical prices: $610–950

Popular airlines from Denver to Ottawa

United

from $797

Typical price: $450–920

445 weekly connecting flights

DEN - YOW Every day
Air Canada

from $772

Typical price: $440–970

126 weekly connecting flights

DEN - YOW Every day
WestJet

from $496

Typical price: $680–1,350

12 weekly connecting flights

DEN - YOW Every Mon, Wed, Fri, Sun

Popular airports near Denver

Denver International Airport (DEN)

Denver United States 38 min 19 mi
Colorado Springs Airport (COS)

Colorado Springs United States 1 hr 27 min 66 mi
Centennial Airport (APA)

Denver United States 27 min 14 mi
Eagle County Regional Airport (EGE)

Vail United States 2 hr 19 min 103 mi

Popular airports near Ottawa

Ottawa International Airport (YOW)

Ottawa Canada 21 min 7 mi
Montréal-Pierre Elliott Trudeau International Airport (YUL)

Montreal Canada 1 hr 54 min 94 mi
Montreal Metropolitan Airport (YHU)

Montreal Canada 2 hr 25 min 111 mi
Gatineau-Ottawa Executive Airport (YND)

Ottawa Canada 22 min 9 mi

Frequently asked questions about flying from Denver to Ottawa

The cheapest flights from Denver to Ottawa are usually in October. Typical ticket prices in October range from $310 to $690.

The cheapest round-trip flight from Denver to Ottawa recently found on Google Flights was with WestJet from $496. The cheapest one-way flight was with WestJet from $214.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to Ottawa is $797, flying from Jul 25 to Aug 3.
The cheapest Air Canada flight from Denver to Ottawa is $772, flying from Jul 30 to Aug 5.
The cheapest WestJet flight from Denver to Ottawa is $496, flying from Jul 30 to Aug 5.

The cheapest round-trip flight from Denver to Ottawa starts at $496 from Thu, Jul 30 to Wed, Aug 5. The cheapest one-way flight starts at $214 and departs on Tue, Jun 2.

5 hr 29 min is the shortest flight time from Denver to Ottawa.

The most popular time to visit Ottawa is May–Aug, which includes the mild weather of late spring and the warm, humid summer, as well as big events such as the Bluesfest concert (Jul). Winters (Jan–Mar) are very cold, with frequent snow, but many travel here in Feb, when the Winterlude festival brings 3 weekends of ice- and snow-related entertainment to the Rideau Canal Skateway.

It's easy to use Google Flights to find the cheapest days to fly from Denver to Ottawa.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Denver to Ottawa really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Denver to Ottawa.

In terms of flights, United is the most popular. United offers 445 connecting flights per week. United flies from Denver International Airport (DEN) to Ottawa International Airport (YOW) .

Other popular airlines flying from Denver to Ottawa are:

Air Canada offers 126 connecting flights per week. Air Canada flies from Denver International Airport (DEN) to Ottawa International Airport (YOW) .
WestJet offers 12 connecting flights per week. WestJet flies from Denver International Airport (DEN) to Ottawa International Airport (YOW) .

The number of connecting flights refers to distinct flights with at least one stop between Denver and Ottawa.

The cheapest round-trip flight from Denver to Ottawa recently found on Google Flights was with WestJet from $496. The cheapest one-way flight was with WestJet from $214.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to Ottawa is $797, flying from Jul 25 to Aug 3.
The cheapest Air Canada flight from Denver to Ottawa is $772, flying from Jul 30 to Aug 5.
The cheapest WestJet flight from Denver to Ottawa is $496, flying from Jul 30 to Aug 5.

No airline flies direct from Denver to Ottawa.

There are 445 United connecting flights from Denver to Ottawa per week. Flights are available every day.
There are 126 Air Canada connecting flights from Denver to Ottawa per week. Flights are available every day.
There are 12 WestJet connecting flights from Denver to Ottawa per week. Flights are available on Monday, Wednesday, Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Denver and Ottawa at price $791 is offered by Air Canada from Sat, May 9 to Sun, May 10.

No airline flies direct from Denver to Ottawa.

There are 445 United connecting flights from Denver to Ottawa per week. Flights are available every day.
There are 126 Air Canada connecting flights from Denver to Ottawa per week. Flights are available every day.
There are 12 WestJet connecting flights from Denver to Ottawa per week. Flights are available on Monday, Wednesday, Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Denver to Ottawa.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Denver to Ottawa, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Denver and Ottawa start at $1,326 from Sat, May 16 to Mon, May 25 with United.

The cheapest economy class round-trip flights between Denver and Ottawa start at $496 from Thu, Jul 30 to Wed, Aug 5.

To book business class trips from Denver to Ottawa, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Denver and Ottawa starts at $791 from Sat, May 9 to Sun, May 10 with Air Canada.

The cheapest last-minute deal between Denver and Ottawa at price $791 is offered by Air Canada from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from Denver to Ottawa, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.