Cheap flights from Washington, D.C. to Ottawa from C$ 174
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. to Ottawa departing on 18/6. 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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Air Canada flights from Washington, D.C. to Ottawa
Our best Air Canada deals on Washington, D.C. to Ottawa flight tickets
Porter Airlines flights from Washington, D.C. to Ottawa
Our best Porter Airlines deals on Washington, D.C. to Ottawa flight tickets
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How to get the cheapest flight ticket from Washington, D.C. 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 typical price of a round-trip flight between Washington, D.C. and Ottawa?
What is the cheapest month to fly to Ottawa?
The month of January is, on average, the cheapest month to fly to Ottawa from Washington, D.C., with most prices found around C$ 357. If you aren’t able to travel to Ottawa during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 430.
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$ 237. Flights from Washington, D.C. to Ottawa on a Sunday will generally be more expensive and average around C$ 965. 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. to Ottawa during this time can be as low as C$ 288. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 722 per ticket.
What is the cheapest Washington, D.C. to Ottawa flight route?
Fly from Washington, D.C. Reagan-National to Ottawa for the best Washington, D.C. - 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. when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 549 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from Washington, D.C. for as low as C$ 370 on momondo.
What cabin class options are available on Washington, D.C. to Ottawa flights?
There are 2 cabin classes available to choose from on Washington, D.C. to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. to Ottawa?
Porter Airlines, Air Canada, and WestJet are the most popular carriers operating from Washington, D.C. to Ottawa
Which airlines fly to Ottawa?
Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Ottawa from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 72% of people opting to fly with this airline when travelling 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. to Ottawa on average per day?
As of April 2025, there are 8 flights per day flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 5:00p.m., with 56% of flights taking off in the afternoon.
How many flights depart from Washington, D.C. to Ottawa on average per week?
As of April 2025, 59 flights take off from Washington, D.C. and land in Ottawa each week. The most common flight departure day for this route is Wed, with 15% of weekly flights taking off on this day.
When to book flights from Washington, D.C. to Ottawa
Cheap Washington, D.C. to Ottawa (WAS to YOW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Ottawa
How far is Washington, D.C. to Ottawa by plane?
There are 731.6 km between Washington, D.C. and Ottawa. 1h 32m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Ottawa Airport?
Prices for flights from Washington, D.C. to Ottawa Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Ottawa Airport?
As of April 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Ottawa Airport.
How old do you have to be to fly from Washington, D.C. to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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. to Ottawa?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. to Ottawa is Canadair (Bombardier) Regional Jet CRJ-550 (40.17% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (21.94%), Boeing 777 (7.10%), and Boeing 737 MAX 9 (5.57%).
What is the most popular airline from Washington, D.C. to Ottawa?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Ottawa is Air Canada (100% of total bookings).
Best airlines flying from Washington, D.C. to Ottawa
Compare and see reviews for airlines that fly from Washington, D.C. to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 226 | Free Cancellation | Rating 7.0 9,142 reviews | |||
| PriceFrom C$ 394 | Free Cancellation | Rating 8.0 281 reviews |
Air Canada Flights From Washington, D.C. to Ottawa
Air Canada operates around 24 flights from Washington, D.C. to Ottawa every week. The average price of these flights found in the last 72 hours has been C$ 360, but momondo users have found Air Canada deals from Washington, D.C. to Ottawa from as low as C$ 162 round-trip. Air Canada has been scored 7.0/10 in 9,139 reviews.
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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ottawa. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Ottawa with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ottawa from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.
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.