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 6/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Washington, D.C.
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Porter Airlines flights from Region of Ontario to Washington, D.C.
Our best Porter Airlines deals on Region of Ontario to Washington, D.C. flight tickets
Air Transat flights from Region of Ontario to Washington, D.C.
Our best Air Transat deals on Region of Ontario to Washington, D.C. 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.
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.?
The month of March is, on average, the cheapest month to fly to Washington, D.C. from Region of Ontario, with most prices found around $225. If you’re not able to fly to Washington, D.C. in March, then April is your next best option. Flight prices from Region of Ontario to Washington, D.C. during April average around $243.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Region of Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $278. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $400.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the afternoon is the cheapest time of day to fly from Region of Ontario to Washington, D.C. when you can find flight prices for as low as $268. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $324. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Ontario to Washington, D.C. flight route?
Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Ontario - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Region of Ontario when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $296 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Region of Ontario for as low as $256 on momondo.
What cabin class options are available on Ontario to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Ontario to Washington, D.C. 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.?
Porter Airlines, Air Transat, and Air Canada are the most popular carriers operating from Ontario to Washington, D.C.
What airlines fly to Washington, D.C.?
Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Region of Ontario according to our data. Air Canada is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. 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. on average per day?
60 flights are operational daily from Region of Ontario to Washington, D.C. as of May 2025. The most popular departure time for this route is 10:00AM, with 47% of flights per day taking off at noon.
How many flights depart from Region of Ontario to Washington, D.C. on average per week?
As of May 2025, there are 420 flights per week flying from Region of Ontario to Washington, D.C.. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.
Cheap Region of Ontario to Washington, D.C. flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Washington, D.C.
Best Price Found | $97 |
|---|---|
Fastest flight time | 1h 27m |
Direct flights | Every day |
Airports in Washington, D.C. | 2 airports |
When did momondo last update prices for flights from Ontario to Washington, D.C.?
Prices for flights from Ontario to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Ontario to Washington, D.C.?
As of May 2025, there are 6 operators available to choose from for flights from Ontario to Washington, D.C..
How old do you have to be to fly from Ontario to Washington, D.C.?
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 Ontario to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. 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 Region of Ontario to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to Washington, D.C. is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 22.75% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 17.28%, Embraer 175 at 11.48%, and Canadair (Bombardier) Regional Jet 900 at 10.89%.
Best airlines flying from Region of Ontario to Washington, D.C.
Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $158 | Free Cancellation | Rating 7.0 9,273 reviews | |||
| PriceFrom $168 | Free Cancellation | Rating 8.0 285 reviews | |||
| PriceFrom $213 | Free Cancellation | Rating 7.4 8,702 reviews | |||
| PriceFrom $219 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 8.0 7,941 reviews | |||
| PriceFrom $290 | Free Cancellation | Rating 7.2 2,829 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?
Yes. momondo enables you to select and highlight flights to Washington, D.C. from Ontario with this policy.
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?
If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ontario and alert you when they change.