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Cheap flights from Maryland to Ontario from C$ 136

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
13 Jul — 20 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 June 2026.

Tue 30/64:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sat 4/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 288
Fri 17/74:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sat 25/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 292
Mon 29/64:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 30/61:45 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 8/6C$ 294
Sat 22/811:25 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Fri 28/81:40 p.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 296
Fri 3/73:55 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 14/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 298
Wed 22/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 29/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 299
Sun 23/83:50 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 26/81:40 p.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 301
Mon 24/83:50 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 27/81:40 p.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 302
Thu 9/73:55 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 20/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 9/6C$ 306
Sun 12/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 21/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 8/6C$ 308
Tue 14/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 22/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 309
Sat 15/811:25 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 23/89:15 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 8/6C$ 312

Find flight deals from Maryland to Ontario

Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated 13 June 2026.

Round-trip from

C$ 288

One-way from

C$ 136

Popular in

May

Cheapest in

January

Average price

C$ 391
Porter Airlines
  • Porter Airlines
  • 30/6-4/7
  • Nonstop
  • 3h 00m total
  • Maryland to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/7
  • Nonstop
  • 1h 30m total
  • Maryland to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 13 June 2026.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 10/7

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

Toronto Island

Mon 20/7

8:55 a.m.-10:25 a.m.

Nonstop1h 30m

C$ 405

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 13/7

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

Toronto Island

Wed 15/7

8:55 a.m.-10:25 a.m.

Nonstop1h 30m

C$ 405

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 3/7

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

Toronto Island

Sat 4/7

8:55 a.m.-10:25 a.m.

Nonstop1h 30m

C$ 405

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 8/7

8:25 a.m.-10:04 a.m.

Nonstop1h 39m

Toronto Pearson Intl

Sat 11/7

9:35 a.m.-11:11 a.m.

Nonstop1h 36m

C$ 431

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 27/7

5:15 p.m.-7:02 p.m.

Nonstop1h 47m

Toronto Pearson Intl

Thu 30/7

9:35 a.m.-11:11 a.m.

Nonstop1h 36m

C$ 431

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 1/7

8:25 a.m.-10:04 a.m.

Nonstop1h 39m

Toronto Pearson Intl

Sat 4/7

2:35 p.m.-4:18 p.m.

Nonstop1h 43m

C$ 431

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Mon 6/7

12:40 p.m.-6:20 p.m.

1 stop5h 40m

Toronto Island

Mon 13/7

8:20 a.m.-12:00 p.m.

1 stop3h 40m

C$ 432

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sun 5/7

12:40 p.m.-6:20 p.m.

1 stop5h 40m

Toronto Island

Mon 13/7

8:20 a.m.-12:00 p.m.

1 stop3h 40m

C$ 432

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 5/8

12:40 p.m.-6:20 p.m.

1 stop5h 40m

Toronto Island

Sat 8/8

8:20 a.m.-12:00 p.m.

1 stop3h 40m

C$ 432

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 26/7

11:05 a.m.-12:35 p.m.

Nonstop1h 30m

Toronto Island

Sun 2/8

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

C$ 450

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 151). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of C$ 368). 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?

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.

  • 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$ 151). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of C$ 368). 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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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?

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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.

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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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