Cheap flights from Ontario to Washington, D.C. from $97
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Washington, D.C. departing on 7/3. 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 Transat flights from Region of Ontario to Washington, D.C. Dulles Intl Airport
Our best Air Transat deals on Region of Ontario to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines flights from Region of Ontario to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on Region of Ontario to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Region of Ontario to Washington, D.C. Dulles Intl Airport
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 Washington, D.C. Dulles Intl Airport?
In general, January is the cheapest month to fly from Region of Ontario to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $228. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $234.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $279. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Washington, D.C. Dulles Intl Airport for around $421.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Region of Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $230 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $407 on average. Flights to Washington, D.C. Dulles Intl Airport from Region of Ontario in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Ontario to Washington, D.C. Dulles Intl flight route?
Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Ontario - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $286 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Region of Ontario for as low as $254 on momondo.
What cabin class options are available on Ontario to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on Ontario to Washington, D.C. Dulles Intl 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 Ontario to Washington, D.C. Dulles Intl?
Porter Airlines, Air Canada, and Air Transat are the most popular carriers operating from Ontario to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Region of Ontario according to our data. Air Canada is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per day?
As of June 2025, 33 flights take off from Region of Ontario and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 7:00PM, with 44% of daily flights taking off in the afternoon.
How many flights depart from Region of Ontario to Washington, D.C. Dulles Intl Airport on average per week?
As of June 2025, there are 234 flights per week flying from Region of Ontario to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.
Cheap Region of Ontario to Washington, D.C. Dulles Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Washington, D.C. Dulles Intl Airport
When did momondo last update prices for flights from Ontario to Washington, D.C. Dulles Intl Airport?
Prices for flights from Ontario to Washington, D.C. Dulles Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Ontario to Washington, D.C. Dulles Intl Airport is 3 as of June 2025.
How old do you have to be to fly from Ontario to Washington, D.C. Dulles Intl 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 Ontario to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The required travel and health documents for your Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Region of Ontario to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to Washington, D.C. Dulles Intl Airport is De Havilland (Bombardier) DHC-8-400 Dash 8Q (26.34% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (20.31%), Embraer 175 (14.52%), and Canadair (Bombardier) Regional Jet 900 (6.56%).
Best airlines flying from Region of Ontario to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $168 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom $184 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Washington, D.C.?
Finding the right flight to Washington, D.C. from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.
Can I find flights from Ontario to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to Washington, D.C.?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ontario.
I’m not ready to book a flight from Ontario to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.