CA $320 Cheap Flights from Denver (DEN) to Ottawa (YOW)

You can find cheap one-way flights from CA $320 and cheap return flights CA $659 DEN to YOW with Expedia. One-way flights typically cost between CA$482 and CA$1569, and return flights often range between CA$1003 and CA$3024. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to YOW ticket fares go up or down.

April is typically the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), with average return fares around CA$561. April often sees lower prices as it falls outside of peak holiday or summer travel seasons, leading to reduced demand and more competitive airline offers. Other cheap months to fly from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) include August and October.

Enter DEN to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

JetBlue Airways is one of the cheapest airlines offering connecting return flights from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), with prices starting from around CA$811 for flights that can be booked for departure within the next year. These flights typically include a layover in Logan Intl. (BOS). Prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) is typically April. This month offers a great balance—prices are reasonable at around CA$561 for a return flight, and you'll have plenty of flight options since it's a popular time to travel. If you're flexible, April gives you both affordable fares and excellent flight schedules to work with. October is also a cheap month to fly, while December is another popular month for travel.

There are approximately 67 connecting flights per day from Denver Intl. (DEN) to Macdonald-Cartier Intl. (YOW). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), and Detroit Metropolitan Wayne County (DTW).

The earliest flight from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) typically departs around 12:20 AM local time. This flight is operated by Delta and Porter Airlines. This is a seasonal service active in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Denver International Airport (DEN) to Macdonald-Cartier International Airport (YOW) on a Thursday, with around 54 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Air Canada. Flight schedules are quite consistent throughout the week, with Thursday offering only slightly more options than other days.

The most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) are between 9am and 12pm. Many major carriers, including United, Air Canada and Delta, offer flights during this window. Many travellers prefer these times because they allow for a relaxed start to the day and an afternoon arrival at your destination.

There are no nonstop flights from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). For flights with one stop, you can expect the journey to take around 7 hours 18 minutes. If your travel involves two or more stops, the total flight time will typically be longer, averaging about 15 hours 18 minutes. The distance between Denver and Ottawa is approximately 2437 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.

Yes, you can fly business class or first class between DEN and YOW. You can fly business class with Air Canada and United.

First class cabins are available on United and Delta.

It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Ottawa from Denver Intl. (DEN), you can fly directly into Macdonald-Cartier Intl. (YOW). Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), or Logan Intl. (BOS) before reaching Ottawa. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Denver, CO (DEN-Denver Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.