Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from $142
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 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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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?
In general, March is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. The month of April is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $297.
What is the cheapest day to depart on your flight to Ottawa?
The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Ottawa is on a Monday. Travelers who choose to depart for Ottawa on a Monday will often find tickets for as low as $456. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Tuesday is $544.
What is the cheapest time of day to depart on your flight to Ottawa?
In the morning is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Ottawa when you can find flight prices for as low as $446. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $644 on average. Flights to Ottawa from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
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 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $391 when searching 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 $189 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.
Can stopping save me money on Washington, D.C. Dulles Intl Airport to Ottawa flights?
You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Ottawa flight.
How have Washington, D.C. Dulles Intl Airport to Ottawa flight prices changed over time?
As of June 2025, prices for Washington, D.C. Dulles Intl Airport to Ottawa flights are approximately 21% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Ottawa?
Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Ottawa
What airlines fly to Ottawa?
Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Ottawa from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 3 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per day?
As of June 2025, 6 flights take off from Washington, D.C. Dulles Intl Airport and land in Ottawa each day. The most common flight departure time for this route is 5:00PM, with 71% of daily 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, there are 44 flights per week flying from Washington, D.C. Dulles Intl Airport to Ottawa. The most common day of the week flights depart is Mon, with 16% of 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 | $142 |
|---|---|
Fastest flight time | 1h 32m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in Ottawa | 1 airport |
How far is Washington, D.C. Dulles Intl to Ottawa by plane?
There are 455.4 mi between Washington, D.C. Dulles Intl and Ottawa. By plane, this route typically takes 1h 32m.
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 were last updated today.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport?
There are 3 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Ottawa?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Ottawa, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 47.98% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 13.53%, Embraer 175 (Enhanced Winglets) with 9.31%, and Boeing 777 with 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 46% of all bookings. The subsequent popular airlines are United Airlines at 31% and Porter Airlines at 23%.
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 $182 | Free Cancellation | Rating 7.1 9,605 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 8.0 292 reviews | |||
| PriceFrom $271 | Free Cancellation | Rating 7.4 8,830 reviews |
United Airlines Flights From Washington, D.C. Dulles Intl Airport to Ottawa
Across 19 United Airlines flights from Washington, D.C. Dulles Intl Airport to Ottawa this week, the average price was $512, with the best United Airlines deals starting from $271 round-trip. 8,830 users have rated United Airlines on momondo, with an average score of 7.4/10.
Air Canada Flights From Washington, D.C. Dulles Intl Airport to Ottawa
Across 9,605 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Washington, D.C. Dulles Intl Airport to Ottawa about 19 times each week, with ticket deals ranging from $182 to $481. Price data is based on momondo searches in the last 72 hours.
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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?
All flight searches from Washington, D.C. to Ottawa on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Ottawa?
Once all potential Washington, D.C. to Ottawa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?
Price alerts on flights to Ottawa from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.