Question 1

How long is the flight from Washington, D.C. Dulles Intl Airport to Ottawa?

Accepted Answer

Porter Airlines can get you from Washington, D.C. Dulles Intl Airport to Ottawa in just under 4h 14m. Your travel time can differ by up to . Airlines will cover a distance of 723 km.

Question 2

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

Accepted Answer

Currently priced at C$ 280, Air Canada will fly you from Washington, D.C. Dulles Intl Airport to Ottawa and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Porter Airlines for as low as C$ 392. Air Canada is currently priced 50% below the average price you’ll pay for this route.

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 43 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 Saturday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

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 7

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 8

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

Accepted Answer

On average you can expect to pay C$ 467 for a flight from Washington, D.C. Dulles Intl Airport to Ottawa. The cheapest flight overall is C$ 266 while the most popular route, (Washington, D.C. Dulles Intl - Ottawa) is currently priced at C$ 437.

Question 9

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 (71%), Air Canada (71%) or United Airlines (71%) as they are the most reliable in getting you off to your destination on time.

Question 10

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

Accepted Answer

Saturday 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 11

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$ 355. For sooner than that we have options available in the next 3 days from C$ 549.

Question 12

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$ 527 for the month, but tickets can be as low as C$ 240. Due to multiple factors, prepare for potentially higher prices in March.

Question 13

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 morning. Doing so could potentially save you 46% on the flight price compared to flying at noon, which is usually more expensive.

Question 14

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 3 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 15

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 16

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 17

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 18

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 19

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 20

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 21

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$ 453
One-way from	C$ 192
Popular in	September
Cheapest in	March
Average price	C$ 701
Good one-way deal	C$ 269 or less

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 280	AverageC$ 563	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 392	AverageC$ 481	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from C$ 192

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 3/10. 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 April, booked 45 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Dulles Intl to Ottawa

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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 18 August 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 18 August 2025.

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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 8 August 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 18 August 2025.

Reviews of airlines servicing Ottawa

Check out reviews from past customers who have flown with Porter Airlines and Air Canada from Washington, D.C. Dulles Intl Airport to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of 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?

How long is the flight from Washington, D.C. Dulles Intl Airport to Ottawa?

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

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?

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Alternative routes for Dulles Intl to Ottawa

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Top 2 airlines flying from Dulles Intl to Ottawa

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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?

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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 18 August 2025.