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Cheap flights from Maryland to Ontario from C$ 80

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 292

One-way from

C$ 80

Popular in

February

Cheapest in

June

Average price

C$ 374
Porter Airlines
  • Porter Airlines
  • 17/10-21/10
  • Nonstop
  • 3h 04m total
  • Maryland to Ontario
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31/10
  • 31/10
  • 1 total stop
  • 17h 09m 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 September 2025
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Find flight deals from Maryland to Ontario

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 15 September 2025.

Fri 17/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Tue 21/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/9C$ 292
Thu 6/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Mon 10/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 14/9C$ 293
Sat 18/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Mon 20/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 13/9C$ 295
Thu 16/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Sat 18/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/9C$ 296
Thu 23/108:21 p.m.BWI - YYZ
1 stop17h 44mMultiple Airlines
Sun 26/104:00 p.m.YYZ - BWI
1 stop6h 36mMultiple Airlines
Deal found 14/9C$ 296
Mon 10/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 12/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 14/9C$ 298
Sun 9/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Sat 15/1111:00 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 14/9C$ 299
Fri 3/1011:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Tue 7/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 14/9C$ 302
Sat 1/111:45 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Tue 4/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 14/9C$ 303
Sun 12/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Thu 16/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 13/9C$ 305
Fri 24/108:21 p.m.BWI - YYZ
1 stop17h 44mMultiple Airlines
Mon 27/104:00 p.m.YYZ - BWI
1 stop6h 36mMultiple Airlines
Deal found 15/9C$ 305
Sat 11/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Sat 18/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 13/9C$ 307

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 15 September 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

Thu 6/11

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

Nonstop1h 30m

Toronto Island

Wed 12/11

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

Nonstop1h 29m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 8/11

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

Nonstop1h 30m

Toronto Island

Mon 10/11

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

Nonstop1h 29m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 8/11

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

Nonstop1h 30m

Toronto Island

Sun 16/11

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

Nonstop1h 29m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 16/10

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

Toronto Island

Sun 19/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 6/11

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

Nonstop1h 30m

Toronto Island

Sat 15/11

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 8/11

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

Nonstop1h 30m

Toronto Island

Fri 14/11

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

Nonstop1h 29m

C$ 293

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 10/11

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

Nonstop1h 30m

Toronto Island

Wed 12/11

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

Nonstop1h 29m

C$ 298

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 11/11

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

Nonstop1h 30m

Toronto Island

Wed 12/11

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

Nonstop1h 29m

C$ 298

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 7/11

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

Nonstop1h 30m

Toronto Island

Mon 10/11

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

Nonstop1h 29m

C$ 299

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 9/11

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

Nonstop1h 30m

Toronto Island

Tue 11/11

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

Nonstop1h 29m

C$ 299

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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, January is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of C$ 169). Flying from Maryland 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.

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 15 September 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
3,091 reviews
Check prices

Food

6.2

Boarding

7.4

Entertainment

6.1

Comfort

7.1

Crew

7.9

Overall

7.2

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
3,091 reviews
WestJet
7.2
Good
3,091 reviews
Check prices

Food

6.2

Boarding

7.4

Entertainment

6.1

Comfort

7.1

Crew

7.9

Overall

7.2

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 Air Canada to get the fastest option. Airlines will cover a distance of 546 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 134 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 134 and United Airlines from C$ 147 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, January is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of C$ 169). Flying from Maryland 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.

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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 471AverageC$ 623FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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