Cheap flights from Washington, D.C. 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. 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. to Region of Ontario
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American Airlines flights from Washington, D.C. to Region of Ontario
Our best American Airlines deals on Washington, D.C. to Region of Ontario flight tickets
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How to get the cheapest flight ticket from Washington, D.C. 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, June is the cheapest month to fly from Washington, D.C. to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 351. If you are unable to visit Region of Ontario during the month of June, then departing from Washington, D.C. during the month April is also very affordable. Most momondo users find prices during this month for around C$ 359.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from Washington, D.C. 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. 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. at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Washington, D.C. to Ontario flight route?
Fly from Washington, D.C. Dulles Intl to Toronto Island for the best Washington, D.C. - 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. 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. for as low as C$ 336 on momondo.
What cabin class options are available on Washington, D.C. to Ontario flights?
There are 4 cabin classes available to choose from on Washington, D.C. 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. to Ontario?
Porter Airlines, Air Canada, and American Airlines are the most popular carriers operating from Washington, D.C. to Ontario
Which airlines fly to Region of Ontario?
Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Region of Ontario from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when travelling 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. to Region of Ontario on average per day?
The number of flights available between Washington, D.C. and Region of Ontario is 48 per day as of June 2025. The most frequent departure time is 5:00p.m., with 56% of daily flights leaving in the afternoon.
How many flights depart from Washington, D.C. to Region of Ontario on average per week?
As of June 2025, there are 342 flights per week flying from Washington, D.C. to Region of Ontario. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.
Cheap Washington, D.C. to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Region of Ontario
Best price found | C$ 87 |
|---|---|
Fastest flight time | 1h 28m |
Direct flights | Every day |
Airports in Region of Ontario | 3 airports |
When did momondo last update prices for flights from Washington, D.C. to Ontario?
Prices for flights from Washington, D.C. to Ontario refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Ontario?
As of June 2025, there are 5 operators available to choose from for flights from Washington, D.C. to Ontario.
How old do you have to be to fly from Washington, D.C. 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. to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Region of Ontario?
Based on momondo bookings for flights between Washington, D.C. and Region of Ontario, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 25.32% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 21.90%, Embraer 175 with 12.40%, and Canadair (Bombardier) Regional Jet 900 with 12.10%.
Best airlines flying from Washington, D.C. to Region of Ontario
Compare and see reviews for airlines that fly from Washington, D.C. to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 154 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom C$ 166 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom C$ 167 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 240 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom C$ 463 | Free Cancellation | Rating 7.2 2,876 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Ontario . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?
Yes. All flights to Ontario from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Ontario?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Ontario.
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 not ready to book a flight from Washington, D.C. to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.