Cheap flights from Washington, D.C. Dulles Intl Airport to Ontario from $64
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 7/7. 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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Delta flights from Washington, D.C. Dulles Intl Airport to Region of Ontario
Our best Delta 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?
The month of February is, on average, the cheapest month to fly to Region of Ontario from Washington, D.C. Dulles Intl Airport, with most prices found around $240. If you aren’t able to travel during the month of February, then book flights to Region of Ontario from Washington, D.C. Dulles Intl Airport during June instead. Flights to Region of Ontario in June, while not as cheap as those in February, still average around $255.
What is the cheapest day to depart on your flight to Region of Ontario?
According to our data, Friday is the cheapest day to fly to Region of Ontario from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Friday departure recently was $356. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. Dulles Intl Airport to Region of Ontario on a Sunday will generally be more expensive and average around $558. 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 Region of Ontario?
According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Region of Ontario in the afternoon for as low as $348. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $583.
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 $326 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 $247 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 APG Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Ontario
What airlines fly to Region of Ontario?
Air Canada, United Airlines and Porter 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 57% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 5 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 38 per day as of June 2025. The most frequent departure time is 5:00PM, 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?
As of June 2025, there are 267 flights per week flying from Washington, D.C. Dulles Intl Airport to Region of Ontario. The most common day of the week flights depart is Mon, with 15% of flights 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 | $64 |
|---|---|
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 5 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?
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. Dulles Intl Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
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 25.47% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 24.82%, Embraer 175 at 13.12%, and Canadair (Bombardier) Regional Jet 900 at 8.60%.
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 $109 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 7.8 398 reviews | |||
| PriceFrom $207 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $278 | Free Cancellation | Rating 7.2 2,873 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?
Flights from Washington, D.C. to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Washington, D.C. to Ontario?
Once you have performed a search for Washington, D.C. to Ontario 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 Ontario right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Washington, D.C. and alert you when they change.