Cheap flights from Washington, D.C. Dulles Intl Airport to Ontario from C$ 87
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 Ontario departing on 16/7. 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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United Airlines flights from Washington, D.C. Dulles Intl Airport to Region of Ontario
Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Region of Ontario flight tickets
Air Canada flights from Washington, D.C. Dulles Intl Airport to Region of Ontario
Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Region of Ontario flight tickets
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Region of Ontario
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 Region of Ontario?
In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 326. If you are unable to visit Region of Ontario during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month June is also very affordable. Most momondo users find prices during this month for around C$ 347.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 376. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 459.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our most recent data shows that the best time of day to fly to Region of Ontario is in the evening. Flights from Washington, D.C. Dulles Intl Airport to Region of Ontario during this time can be as low as C$ 338. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 437 on average. Flights to Region of Ontario from Washington, D.C. Dulles Intl Airport at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Washington, D.C. Dulles Intl to Ontario flight route?
Fly from Washington, D.C. Dulles Intl to Toronto Island for the best Washington, D.C. Dulles Intl - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
You are more likely to see cheaper flights to Region of Ontario from Washington, D.C. Dulles Intl Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 443 when searching 6 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Washington, D.C. Dulles Intl Airport for as low as C$ 336 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Ontario flights?
There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Ontario 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. Dulles Intl to Ontario?
Porter Airlines, Air Canada, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Ontario
Which airlines fly to Region of Ontario?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario 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 Region of Ontario on average per day?
The number of flights available between Washington, D.C. Dulles Intl Airport and Region of Ontario is 36 per day as of June 2025. The most frequent departure time is 5:00p.m., with 68% of daily flights leaving in the afternoon.
How many flights depart from Washington, D.C. Dulles Intl Airport to Region of Ontario on average per week?
257 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Region of Ontario as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
Cheap Washington, D.C. Dulles Intl Airport to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Region of Ontario
Best price found | C$ 87 |
|---|---|
Fastest flight time | 1h 28m |
Direct flights | Every day |
Airports in Region of Ontario | 2 airports |
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Ontario?
Prices for flights from Washington, D.C. Dulles Intl Airport to Ontario refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Ontario?
As of June 2025, there are 3 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Ontario.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 Ontario. 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 Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Region of Ontario is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 25.74% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 25.22%, Embraer 175 at 13.31%, and Canadair (Bombardier) Regional Jet 900 at 8.41%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Region of Ontario
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 154 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom C$ 180 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom C$ 240 | Free Cancellation | Rating 8.0 289 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?
Finding the right flight to Ontario from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Ontario 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 Ontario?
momondo helps you find the best flight between Washington, D.C. and Ontario 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 Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario 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.