Cheap flights from Washington, D.C. to Ontario from C$ 126
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Washington, D.C. to Ontario
Keep the following information in mind while searching for Washington, D.C. to Ontario flight deals. Data was last updated 28 March 2025.
Find flight deals from Washington, D.C. to Ontario
Cheapest flights from Washington, D.C. to OntarioExplore the most affordable flight options available from Washington, D.C. to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.
Explore the most affordable flight options available from Washington, D.C. to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 March 2025.
Use the filters below to find and compare flights from Washington, D.C. to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Thu 29/5
2:25 p.m.-3:59 p.m.
Nonstop1h 34m
Toronto Pearson Intl
Thu 29/5
6:20 p.m.-9:22 p.m.
1 stop3h 02m
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Mon 12/5
11:35 a.m.-1:08 p.m.
Nonstop1h 33m
Toronto Island
Sun 8/6
8:45 a.m.-10:16 a.m.
Nonstop1h 31m
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Sun 1/6
6:00 a.m.-10:39 a.m.
1 stop4h 39m
Toronto Pearson Intl
Sat 7/6
8:10 a.m.-12:01 p.m.
1 stop3h 51m
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Wed 14/5
11:00 a.m.-12:33 p.m.
Nonstop1h 33m
Toronto Pearson Intl
Fri 6/6
4:30 p.m.-6:03 p.m.
Nonstop1h 33m
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Sun 11/5
8:25 a.m.-10:04 a.m.
Nonstop1h 39m
Toronto Pearson Intl
Sat 17/5
12:30 a.m.-11:33 a.m.
1 stop11h 03m
Washington, D.C.Montreal
IAD - YUL
IADYUL
Washington, D.C. Dulles Intl
Sun 11/5
11:35 a.m.-4:00 p.m.
1 stop4h 25m
Montreal Pierre Elliott Trudeau Intl
Sun 18/5
9:15 a.m.-1:41 p.m.
1 stop4h 26m
Washington, D.C.Toronto
IAD - YTZ
IADYTZ
Washington, D.C. Dulles Intl
Sat 19/4
4:07 p.m.-9:35 p.m.
1 stop5h 28m
Toronto Island
Tue 22/4
4:20 p.m.-9:15 p.m.
1 stop4h 55m
Washington, D.C.Toronto
DCA - YYZ
DCAYYZ
Washington, D.C. Reagan-National
Wed 14/5
6:59 a.m.-8:32 a.m.
Nonstop1h 33m
Toronto Pearson Intl
Fri 23/5
9:00 a.m.-3:49 p.m.
1 stop6h 49m
Washington, D.C.Toronto
IAD - YYZ
IADYYZ
Washington, D.C. Dulles Intl
Wed 14/5
8:25 a.m.-10:04 a.m.
Nonstop1h 39m
Toronto Pearson Intl
Sat 7/6
4:00 p.m.-9:04 p.m.
1 stop5h 04m
Washington, D.C.Montreal
IAD - YUL
IADYUL
Washington, D.C. Dulles Intl
Thu 24/4
7:00 a.m.-11:15 a.m.
1 stop4h 15m
Montreal Pierre Elliott Trudeau Intl
Sun 27/4
6:40 p.m.-10:24 p.m.
1 stop3h 44m
Best time to book a flight from Washington, D.C. to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Washington, D.C. with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Ontario
What is the cheapest month to book a flight from Washington, D.C. to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Region of Ontario (average of C$ 167). Flying from Washington, D.C. to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WAS to ON?
Find hourly flight availability from Washington, D.C. to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.
When flying from Washington, D.C. to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Washington, D.C. to Region of Ontario
Explore weekly flight availability from Washington, D.C. to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 March 2025.
The most flights from WAS to CAON are scheduled on a Wednesday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 28 March 2025.
To help decide which airline to fly from Washington, D.C. to Ontario, see what other customers have to say about Delta, Porter Airlines and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington, D.C. to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Washington, D.C. to Ontario
Discover the top 5 airlines that operate flights from Washington, D.C. to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 March 2025.
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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Ontario?
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Can Cheapflights find flights from Washington, D.C. to Ontario with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington, D.C. to Ontario, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Washington, D.C. to Ontario become cheaper?
Of course! You can now track prices for flights from Washington, D.C. to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.