Question 1

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Ottawa round-trip?

Accepted Answer

Currently priced at C$ 311, Porter Airlines will fly you from Washington, D.C. Dulles Intl Airport to Ottawa and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 486 and C$ 656, respectively. Porter Airlines is currently priced 44% below the average price you’ll pay for this route.

Question 2

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Ottawa one-way?

Accepted Answer

For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 133. Users have also found prices from C$ 235 and C$ 278 on Air Canada and WestJet, respectively.

Question 3

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

The best time to book flights from Washington, D.C. Dulles Intl Airport to Ottawa is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ottawa (average of C$ 224). Flying from Washington, D.C. Dulles Intl Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Question 5

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Ottawa flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Ottawa

Accepted Answer

The most flights from IAD to YOW are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Question 7

E

Accepted Answer

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.

Question 8

E

Accepted Answer

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).

Question 9

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

On average you can expect to pay C$ 513 for a flight from Washington, D.C. Dulles Intl Airport to Ottawa. The cheapest flight overall is C$ 488 while the most popular route, (Washington, D.C. Dulles Intl - Ottawa) is currently priced at C$ 372.

Question 10

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Ottawa consider choosing GoJet (76%), Air Canada (76%) or United Airlines (76%) as they are the most reliable in getting you off to your destination on time.

Question 11

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

Sunday flights are found to be more expensive to fly from Washington, D.C. Dulles Intl Airport to Ottawa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

Question 12

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 58 days in advance, which can save you up to 181% on flights from Washington, D.C. Dulles Intl Airport to Ottawa compared to booking the week you need them. Waiting 58 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 391. For sooner than that we have options available in the next 3 days from C$ 569.

Question 13

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

Our data shows that January tends to be the cheapest month to fly to Ottawa from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around C$ 549 for the month, but tickets can be as low as C$ 249. Due to multiple factors, prepare for potentially higher prices in March.

Question 14

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

Accepted Answer

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Ottawa in the evening. Doing so could potentially save you 61% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 15

What airport do you fly into for flights to Ottawa from Washington, D.C. Dulles Intl?

Accepted Answer

Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Washington, D.C. Dulles Intl. On average, Ottawa has 6 inbound flights from Washington, D.C. Dulles Intl per day from 2 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

Question 16

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

Accepted Answer

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

Question 17

How can I find direct flights from Dulles Intl to Ottawa?

Accepted Answer

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

Question 18

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

Accepted Answer

Yes. Cheapflights offers flight deals from Dulles Intl 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.

Question 19

How does Cheapflights help users find flights from Dulles Intl to Ottawa?

Accepted Answer

When you search for this flight from Dulles Intl to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 20

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 21

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

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Ottawa flexibly with Cheapflights today.

Question 22

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

Accepted Answer

Yes, Cheapflights offers price alerts on Dulles Intl 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.

Round-trip from	C$ 311
One-way from	C$ 133
Popular in	September
Cheapest in	March
Average price	C$ 436
Good round-trip deal	C$ 488 or less

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 235	AverageC$ 567	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 406	AverageC$ 504	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from C$ 133

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Ottawa are usually found in March or February, booked 70 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Ottawa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from Dulles Intl to Ottawa

Cheapest flights from Dulles Intl to OttawaExplore the most affordable flight options available from Dulles Intl to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Explore the most affordable flight options available from Dulles Intl to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ottawa that are best for you.

Best time to book a flight from Dulles Intl to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ottawa

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Ottawa. Price data was last updated on 21 March 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ottawa?

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

Find hourly flight availability from Dulles Intl to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Ottawa

Explore weekly flight availability from Dulles Intl to Ottawa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 March 2025.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 25 March 2025.

Read through reviews of airlines operating flights from Washington, D.C. to Ottawa, such as Delta, Porter Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ottawa from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Ottawa round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Ottawa one-way?

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Ottawa?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Ottawa?

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

How can I find direct flights from Dulles Intl to Ottawa?

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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ottawa?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Ottawa

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

Top 2 airlines flying from Dulles Intl to Ottawa

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Ottawa?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dulles Intl to Ottawa
Explore the most affordable flight options available from Dulles Intl to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.