Cheap flights from Washington, D.C. to Ottawa from $102
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 7/22. 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 cheapest month to fly to Ottawa?
In general, January is the cheapest month to fly from Washington, D.C. to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $257. The month of November is another great option to travel to Ottawa, with average flight prices from Washington, D.C. averaging around $309.
What is the cheapest day to depart on your flight to Ottawa?
The cheapest day to depart from Washington, D.C. to Ottawa is on a Monday. Travelers who choose to depart for Ottawa on a Monday will often find tickets for as low as $451. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Wednesday is $517.
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. to Ottawa when you can find flight prices for as low as $443. 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 $639 on average. Flights to Ottawa from Washington, D.C. 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. to Ottawa flight route?
Fly from Washington, D.C. Reagan-National to Ottawa for the best Washington, D.C. - Ottawa flight prices
What cabin class options are available on Washington, D.C. to Ottawa flights?
There are 4 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.
Can stopping save me money on Washington, D.C. to Ottawa flights?
No. A direct flight is the cheapest option for a flight between Washington, D.C. to Ottawa.
What is the cheapest airline that flies from Washington, D.C. to Ottawa?
Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. 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. according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 6 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 June 2025, there are 8 flights per day flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 5:00PM, with 76% of flights taking off in the afternoon.
How many flights depart from Washington, D.C. to Ottawa on average per week?
As of June 2025, there are 57 flights per week flying from Washington, D.C. to Ottawa. The most common day of the week flights depart is Wed, with 16% of 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?
The straight-line distance from Washington, D.C. to Ottawa is 454.6 mi. 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 were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Ottawa Airport?
As of June 2025, there are 4 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?
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. to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Ottawa is Canadair (Bombardier) Regional Jet CRJ-550, representing 42.10% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 21.46%, Embraer 175 (Enhanced Winglets) at 5.16%, and Boeing 737 MAX 8 at 4.74%.
What is the most popular airline from Washington, D.C. to Ottawa?
Based on momondo bookings for flights between Washington, D.C. and Ottawa, the leading airline is Air Canada, making up 64% of the total bookings. Other popular airlines include United Airlines with 27% and Porter Airlines with 9%.
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 $155 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $201 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom $347 | Free Cancellation | Rating 7.8 396 reviews |
United Airlines Flights From Washington, D.C. to Ottawa
The lowest priced United Airlines flight from Washington, D.C. to Ottawa from the last 72 hours was $176. Generally, United Airlines has 27 flights on this route every week with an average price of $642. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Washington, D.C. to Ottawa
Across 9,537 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Washington, D.C. to Ottawa about 23 times each week, with ticket deals ranging from $155 to $527. Price data is based on momondo searches in the last 72 hours.
Traveling 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?
It is quick and easy to find Washington, D.C. to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits 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 you have performed a search for Washington, D.C. to Ottawa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
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.