Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from $81
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. Reagan-National Airport to Ontario departing on 5/27. 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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Cheap round-trip flights
These are some of the best round-trip flight deals from Washington, D.C. Reagan-National Airport to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Reagan-National Airport to Ontario.
Cheap last minute flights
Planning a quick getaway from Washington, D.C. Reagan-National Airport to Ontario? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.
Delta flights from Washington, D.C. Reagan-National Airport to Region of Ontario
Our best Delta deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets
Delta![Delta]()
Jun 24![Delta]()
Jun 27
DCA6:06 amWashington, D.C. Reagan-National
5h 18m
1 stop
YYZ11:24 amToronto Pearson Intl
YYZ6:49 pmToronto Pearson Intl
4h 10m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Delta![Delta]()
May 28![Delta]()
Jun 1
DCA5:10 pmWashington, D.C. Reagan-National
5h 48m
1 stop
YYZ10:58 pmToronto Pearson Intl
YYZ6:03 amToronto Pearson Intl
4h 12m
1 stop
DCA10:15 amWashington, D.C. Reagan-National
American Airlines flights from Washington, D.C. Reagan-National Airport to Region of Ontario
Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Region of Ontario flight tickets
American Airlines![American Airlines]()
May 27![American Airlines]()
Jun 3
DCA10:00 amWashington, D.C. Reagan-National
1h 55m
YYZ11:55 amToronto Pearson Intl
YYZ5:29 pmToronto Pearson Intl
1h 40m
DCA7:09 pmWashington, D.C. Reagan-National
American Airlines![American Airlines]()
Jun 3![American Airlines]()
Jun 10
DCA10:00 amWashington, D.C. Reagan-National
1h 55m
YYZ11:55 amToronto Pearson Intl
YYZ5:19 pmToronto Pearson Intl
1h 40m
DCA6:59 pmWashington, D.C. Reagan-National
See travel insights to Ontario from
How to get the cheapest flight ticket from Washington, D.C. Reagan-National 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
Prices
Airlines
Other information
What is the cheapest month to fly to Region of Ontario?
The month of April is, on average, the cheapest month to fly to Region of Ontario from Washington, D.C. Reagan-National Airport, with most prices found around $255. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Washington, D.C. Reagan-National Airport during March instead. Flights to Region of Ontario in March, while not as cheap as those in April, still average around $256.
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. Reagan-National Airport. The lowest ticket price found for a Friday departure recently was $558. 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. Reagan-National Airport to Region of Ontario on a Monday will generally be more expensive and average around $884. 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 at noon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Region of Ontario at noon for as low as $342. 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 morning are often more expensive with an average ticket price of $886.
What is the cheapest Washington, D.C. Reagan-National to Ontario flight route?
Fly from Washington, D.C. Reagan-National to Toronto Pearson Intl for the best Washington, D.C. Reagan-National - 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. Reagan-National Airport when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $328 when searching 18 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. Reagan-National Airport for as low as $172 on momondo.
What cabin class options are available on Washington, D.C. Reagan-National to Ontario flights?
There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National 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. Reagan-National to Ontario?
American Airlines, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Ontario
What airlines fly to Region of Ontario?
Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Washington, D.C. Reagan-National Airport according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 4 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. Reagan-National Airport to Region of Ontario on average per day?
As of May 2025, there are 11 flights per day flying from Washington, D.C. Reagan-National Airport to Region of Ontario. The most common time of day flights depart is 12:00PM, with 42% of flights taking off at noon.
How many flights depart from Washington, D.C. Reagan-National Airport to Region of Ontario on average per week?
80 flights are operational weekly from Washington, D.C. Reagan-National Airport to Region of Ontario as of May 2025. The most popular departure day for this route is Thu, with 23% of flights per week taking off on this day.
Cheap Washington, D.C. Reagan-National 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. Reagan-National Airport to Region of Ontario
Best Price Found | $81 |
|---|---|
Fastest flight time | 1h 31m |
Direct flights | Every day |
Airports in Region of Ontario | 4 airports |
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Ontario?
Prices for flights from Washington, D.C. Reagan-National Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Ontario?
There are 4 operators available for flights from Washington, D.C. Reagan-National Airport to Ontario as of May 2025.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National 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. Reagan-National Airport to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Reagan-National Airport to Region of Ontario is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 19.26% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 900 at 18.26%, Embraer 175 (Enhanced Winglets) at 11.58%, and Boeing 777 at 9.87%.
Best airlines flying from Washington, D.C. Reagan-National Airport to Region of Ontario
Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $103 | Free Cancellation | Rating 8.0 285 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 7.0 9,252 reviews | |||
| PriceFrom $127 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $145 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Ontario?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Ontario for you.
Can I find flights from Washington, D.C. to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Ontario?
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 Ontario from Washington, D.C..
I’m not ready to book a flight from Washington, D.C. to Ontario right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington, D.C. to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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