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Cheap flights from Maryland to Ontario from C$ 99

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Maryland to Ontario

Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 291

One-way from

C$ 99

Popular in

October

Cheapest in

June

Average price

C$ 444
Porter Airlines
  • Porter Airlines
  • 4/12-7/12
  • Nonstop
  • 2h 59m total
  • Maryland to Ontario
Search Deals
14/1
  • 14/1
  • 1 total stop
  • 16h 43m total
  • Maryland to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Maryland to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Maryland to Ontario
Explore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Thu 4/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 7/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 28/10C$ 291
Thu 20/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 23/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 29/10C$ 293
Thu 4/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 6/1211:00 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 29/10C$ 294
Fri 5/126:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 8/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 27/10C$ 295
Sun 7/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 11/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 29/10C$ 298
Thu 27/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 8/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 27/10C$ 300
Wed 19/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 22/1111:00 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 28/10C$ 301
Thu 20/119:45 a.m.IAD - YTZ
1 stop5h 10mMultiple Airlines
Sun 23/118:55 a.m.YTZ - IAD
Nonstop1h 29mMultiple Airlines
Deal found 28/10C$ 302
Thu 27/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Fri 5/123:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 27/10C$ 304
Thu 20/119:45 a.m.IAD - YTZ
1 stop5h 10mAir Canada
Sun 23/113:30 p.m.YTZ - IAD
1 stop5h 24mAir Canada
Deal found 28/10C$ 305
Fri 28/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Sun 7/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 27/10C$ 309
Wed 26/116:00 a.m.DCA - YYZ
1 stop5h 40mAir Canada
Fri 28/115:00 p.m.YYZ - DCA
1 stop4h 56mAir Canada
Deal found 28/10C$ 312

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 30 October 2025.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Maryland

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 25/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

Toronto Island

Fri 28/11

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 8/1

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Sun 11/1

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 19/2

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Sun 22/2

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 8/12

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

Toronto Island

Fri 12/12

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 298

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 12/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Fri 12/12

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

C$ 298

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 18/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

Toronto Island

Sun 23/11

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 298

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 7/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Fri 12/12

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 298

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 28/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

Toronto Island

Sun 7/12

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 309

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 22/11

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

Toronto Island

Fri 28/11

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

C$ 311

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 4/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Sun 7/12

7:00 a.m.-8:24 p.m.

2 stops13h 24m

C$ 339

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Maryland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Ontario

What is the cheapest month to book a flight from Maryland to Region of Ontario?

Currently, June is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of C$ 160). Flying from Maryland to Region of Ontario in September is currently the most expensive (average of C$ 478). 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.

How much does it cost to fly round-trip from Maryland to Region of Ontario?

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 30 October 2025.
Read through reviews of airlines operating flights from Maryland to Ontario, such as WestJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,149 reviews
Check prices

Crew

7.9

Overall

7.2

Entertainment

6.1

Food

6.2

Comfort

7.1

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
3,149 reviews
WestJet
7.2
Good
3,149 reviews
Check prices

Crew

7.9

Overall

7.2

Entertainment

6.1

Food

6.2

Comfort

7.1

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Maryland to Region of Ontario?

    There are many flights that can get you from Maryland to Region of Ontario in 1h 30m. Fly via Porter Airlines, United Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 546 km. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from Maryland to Region of Ontario one-way?

    One-way options have recently been found by users for as low as C$ 144 on Porter Airlines. Other airlines that offer cheap prices include American Airlines from C$ 149 and Air Canada from C$ 149 one-way.

  • Can I find deals for flights from Maryland to Ontario that include hotel bookings?

    Yes. In addition to deals on Maryland to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Ontario.

  • Can I find deals for business class flights from Maryland to Ontario?

    Yes. Cheapflights offers flight deals from Maryland to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Maryland to Region of Ontario?

    Currently, June is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of C$ 160). Flying from Maryland to Region of Ontario in September is currently the most expensive (average of C$ 478). 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.

See more FAQs

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Alternative routes for Maryland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Maryland to Ontario

Discover the top airline that operate flights from Maryland 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 461AverageC$ 639FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Maryland to Ontario?

Cheapflights makes it easy to find Maryland to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Maryland to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Maryland to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Maryland to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Maryland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Maryland to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Maryland to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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