Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from C$ 195
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Ottawa departing on 13/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Ottawa
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Porter Airlines flights from Washington, D.C. Dulles Intl Airport to Ottawa
Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
Air Canada flights from Washington, D.C. Dulles Intl Airport to Ottawa
Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
See travel insights to Ottawa from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Ottawa
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ottawa?
The month of March is, on average, the cheapest month to fly to Ottawa from Washington, D.C. Dulles Intl Airport, with most prices found around C$ 408. If you aren’t able to travel to Ottawa during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 408.
What is the cheapest day to depart on your flight to Ottawa?
Our data shows that Tuesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 234. Flights from Washington, D.C. Dulles Intl Airport to Ottawa on a Sunday will generally be more expensive and average around C$ 953. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ottawa?
Our most recent data shows that the best time of day to fly to Ottawa is in the evening. Flights from Washington, D.C. Dulles Intl Airport to Ottawa during this time can be as low as C$ 324. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 719 per ticket.
What is the cheapest Washington, D.C. Dulles Intl to Ottawa flight route?
Fly from Washington, D.C. Dulles Intl to Ottawa for the best Washington, D.C. Dulles Intl - Ottawa flight prices
How far in advance should I book a flight to Ottawa?
You are more likely to see cheaper flights to Ottawa from Washington, D.C. Dulles Intl Airport when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 537 when searching 17 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from Washington, D.C. Dulles Intl Airport for as low as C$ 260 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Ottawa flights?
There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per day?
As of June 2025, there are 6 flights per day flying from Washington, D.C. Dulles Intl Airport to Ottawa. The most common time of day flights depart is 5:00p.m., with 71% of flights taking off in the afternoon.
How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per week?
As of June 2025, 44 flights take off from Washington, D.C. Dulles Intl Airport and land in Ottawa each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.
When to book flights from Washington, D.C. Dulles Intl Airport to Ottawa
Cheap Washington, D.C. Dulles Intl Airport to Ottawa (IAD to YOW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Ottawa
Best price found | C$ 195 |
|---|---|
Fastest flight time | 1h 32m |
Direct flights | Mon, Tue, Fri, Sat and Sun |
Airports in Ottawa | 1 airport |
How far is Washington, D.C. Dulles Intl to Ottawa by plane?
The distance between Washington, D.C. Dulles Intl and Ottawa is about 732.9 km. 1h 32m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport?
There are 2 operators available for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport as of June 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Ottawa is Canadair (Bombardier) Regional Jet CRJ-550, representing 47.98% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 13.53%, Embraer 175 (Enhanced Winglets) at 9.31%, and Boeing 777 at 4.04%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Ottawa?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Ottawa is Air Canada, representing 71% of all bookings. The subsequent popular airline is Porter Airlines at 29%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Ottawa
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 225 | Free Cancellation | Rating 7.1 9,604 reviews | |||
| PriceFrom C$ 390 | Free Cancellation | Rating 8.0 292 reviews |
Air Canada Flights From Washington, D.C. Dulles Intl Airport to Ottawa
Air Canada flight deals from Washington, D.C. Dulles Intl Airport to Ottawa start from C$ 164 round-trip. Over the 19 Air Canada flights for this route in a normal week, average airfare is usually C$ 396 round-trip - but some users have found much cheaper deals with momondo.
Travelling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Ottawa?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Ottawa for you.
Can I find flights from Washington, D.C. to Ottawa with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ottawa from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Ottawa?
momondo helps you find the best flight between Washington, D.C. and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ottawa from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.