What is the cheapest airline that flies from Maryland to Ontario?

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Maryland to Ontario

How many flights depart from Maryland to Region of Ontario on average per week?

As of August 2026, there are 625 flights per week flying from Maryland to Region of Ontario. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.

When did momondo last update prices for flights from Maryland to Ontario?

Prices for flights from Maryland to Ontario are refreshed on a daily basis.

How many operators does momondo search for flights from Maryland to Ontario?

As of August 2026, there are 4 operators available to choose from for flights from Maryland to Ontario.

How old do you have to be to fly from Maryland to Ontario?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maryland to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 135 Cheap Flights from Maryland to Ontario in 2026

Find the cheapest flights from Maryland to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:25 a.m. - 12:55 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:15 a.m. - 10:45 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 275Porter Airlines

Tue, 22 Sep - Fri, 25 Sep

3:50 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:15 a.m. - 10:45 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 275Porter Airlines

Mon, 5 Oct - Thu, 8 Oct

5:20 p.m. - 6:51 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mdirect

3:15 p.m. - 4:38 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 23mdirect

C$ 275Air Canada

Wed, 30 Sep - Wed, 7 Oct

12:55 p.m. - 6:20 p.m.DCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 25m1 stop Ottawa

8:20 a.m. - 12:14 p.m.YTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 54m1 stop Ottawa

C$ 275Air Canada

Thu, 10 Sep - Mon, 14 Sep

9:45 a.m. - 2:20 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

4h 35m1 stop Montreal Pierre Elliott Trudeau Intl

9:15 a.m. - 10:45 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 275Multiple Airlines

Sat, 26 Sep - Sun, 27 Sep

6:10 a.m. - 3:46 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

9h 36m1 stop Chicago O'Hare Intl

7:43 p.m. - 9:24 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mdirect

C$ 320United Airlines

Mon, 5 Oct - Mon, 5 Oct

6:10 a.m. - 3:46 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

9h 36m1 stop Chicago O'Hare Intl

7:43 p.m. - 9:24 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mdirect

C$ 320United Airlines

Thu, 8 Oct - Thu, 8 Oct

6:15 a.m. - 11:43 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

5h 28m1 stop Newark

1:55 p.m. - 3:25 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 320Multiple Airlines

Sat, 12 Sep - Sat, 12 Sep

3:00 p.m. - 4:45 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 45mdirect

5:29 p.m. - 7:17 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mdirect

C$ 340American Airlines

Tue, 29 Sep - Tue, 6 Oct

10:15 a.m. - 11:59 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mdirect

5:29 p.m. - 7:17 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mdirect

C$ 430American Airlines

Tue, 22 Sep - Sun, 11 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

3:50 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

1:40 p.m. - 3:10 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 369Porter Airlines

Tue, 18 Aug - Wed, 26 Aug

3:50 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

1:40 p.m. - 3:10 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 401Porter Airlines

Fri, 21 Aug - Fri, 28 Aug

4:20 p.m. - 5:50 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 30mdirect

1:55 p.m. - 3:24 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 29mdirect

C$ 419Air Canada

Thu, 20 Aug - Thu, 27 Aug

4:20 p.m. - 5:50 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 30mdirect

1:55 p.m. - 3:24 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 29mdirect

C$ 419Air Canada

Wed, 19 Aug - Sat, 29 Aug

11:10 a.m. - 5:24 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

6h 14m1 stop Detroit Metropolitan Wayne County

4:10 p.m. - 11:26 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

7h 16m1 stop Detroit Metropolitan Wayne County

C$ 445JetBlue

Wed, 19 Aug - Wed, 26 Aug

9:39 a.m. - 3:20 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

5h 41m1 stop Detroit Metropolitan Wayne County

9:45 a.m. - 6:45 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

9h 00m1 stop Detroit Metropolitan Wayne County

C$ 505Delta

Tue, 18 Aug - Thu, 27 Aug

2:59 p.m. - 4:45 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mdirect

5:25 p.m. - 7:15 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 50mdirect

C$ 522American Airlines

Tue, 18 Aug - Wed, 26 Aug

2:59 p.m. - 4:45 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mdirect

11:01 a.m. - 12:44 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mdirect

C$ 522American Airlines

Thu, 20 Aug - Thu, 3 Sep

8:28 a.m. - 10:04 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mdirect

12:45 p.m. - 2:22 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

C$ 530United Airlines

Wed, 19 Aug - Thu, 27 Aug

12:43 p.m. - 2:19 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 36mdirect

9:44 a.m. - 11:21 a.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

C$ 530United Airlines

Tue, 18 Aug - Thu, 27 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

11:25 a.m. - 12:55 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:15 a.m. - 10:45 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 275Porter Airlines

Tue, 22 Sep - Fri, 25 Sep

3:50 p.m. - 5:20 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:15 a.m. - 10:45 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 275Porter Airlines

Mon, 5 Oct - Thu, 8 Oct

5:20 p.m. - 6:51 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mdirect

3:15 p.m. - 4:38 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 23mdirect

C$ 275Air Canada

Wed, 30 Sep - Wed, 7 Oct

5:15 p.m. - 6:46 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mdirect

1:40 p.m. - 3:10 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 276Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

6:59 a.m. - 8:35 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mdirect

8:55 p.m. - 10:34 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mdirect

C$ 279Air Canada

Sat, 3 Oct - Mon, 5 Oct

10:19 p.m. - 11:54 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mdirect

9:44 a.m. - 11:21 a.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

C$ 326Lufthansa

Sat, 3 Oct - Sun, 4 Oct

10:19 p.m. - 11:54 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mdirect

7:43 p.m. - 9:24 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mdirect

C$ 340United Airlines

Thu, 17 Sep - Mon, 21 Sep

5:17 p.m. - 7:02 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 45mdirect

9:44 a.m. - 11:21 a.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

C$ 340United Airlines

Sat, 3 Oct - Sun, 11 Oct

3:00 p.m. - 4:45 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 45mdirect

5:29 p.m. - 7:17 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mdirect

C$ 340American Airlines

Tue, 29 Sep - Tue, 6 Oct

10:15 a.m. - 11:59 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mdirect

5:29 p.m. - 7:17 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mdirect

C$ 430American Airlines

Tue, 22 Sep - Sun, 11 Oct

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United Airlines flights from Maryland to Region of Ontario

Our best United Airlines deals on Maryland to Region of Ontario flight tickets

United Airlines

28 Aug

IAD6:15 a.m.Washington, D.C. Dulles Intl

9h 31m

1 stop

YYZ3:46 p.m.Toronto Pearson Intl

28 Aug

YYZ7:43 p.m.Toronto Pearson Intl

1h 41m

IAD9:24 p.m.Washington, D.C. Dulles Intl

C$ 320

United Airlines

31 Aug

IAD8:28 a.m.Washington, D.C. Dulles Intl

1h 36m

YYZ10:04 a.m.Toronto Pearson Intl

31 Aug

YYZ1:00 p.m.Toronto Pearson Intl

8h 20m

1 stop

IAD9:20 p.m.Washington, D.C. Dulles Intl

C$ 327

United Airlines

18 Sep

IAD10:19 p.m.Washington, D.C. Dulles Intl

1h 35m

YYZ11:54 p.m.Toronto Pearson Intl

21 Sep

YYZ7:43 p.m.Toronto Pearson Intl

1h 41m

IAD9:24 p.m.Washington, D.C. Dulles Intl

C$ 340

Lufthansa flights from Maryland to Region of Ontario

Our best Lufthansa deals on Maryland to Region of Ontario flight tickets

Lufthansa

3 Oct

IAD10:19 p.m.Washington, D.C. Dulles Intl

1h 35m

YYZ11:54 p.m.Toronto Pearson Intl

4 Oct

YYZ9:44 a.m.Toronto Pearson Intl

1h 37m

IAD11:21 a.m.Washington, D.C. Dulles Intl

C$ 326

Lufthansa

10 Sep

IAD10:19 p.m.Washington, D.C. Dulles Intl

1h 35m

YYZ11:54 p.m.Toronto Pearson Intl

14 Sep

YYZ7:43 p.m.Toronto Pearson Intl

1h 41m

IAD9:24 p.m.Washington, D.C. Dulles Intl

C$ 348

Lufthansa

10 Sep

IAD10:19 p.m.Washington, D.C. Dulles Intl

1h 35m

YYZ11:54 p.m.Toronto Pearson Intl

14 Sep

YYZ7:43 p.m.Toronto Pearson Intl

1h 41m

IAD9:24 p.m.Washington, D.C. Dulles Intl

C$ 350

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Tue 22/9

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

Toronto Island

Fri 25/9

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

Nonstop1h 30m

C$ 275

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Mon 5/10

3:50 p.m.-5:20 p.m.

Nonstop1h 30m

Toronto Island

Thu 8/10

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

Nonstop1h 30m

C$ 275

Quickest round-trip

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Wed 30/9

5:20 p.m.-6:51 p.m.

Nonstop1h 31m

Toronto Island

Wed 7/10

3:15 p.m.-4:38 p.m.

Nonstop1h 23m

C$ 275

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YTZ Toronto Island

DCAYTZ

Washington, D.C. Reagan-National

Thu 10/9

12:55 p.m.-6:20 p.m.

1 stop5h 25m

Toronto Island

Mon 14/9

8:20 a.m.-12:14 p.m.

1 stop3h 54m

C$ 275

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Sat 26/9

9:45 a.m.-2:20 p.m.

1 stop4h 35m

Toronto Island

Sun 27/9

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

Nonstop1h 30m

C$ 275

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Mon 5/10

6:10 a.m.-3:46 p.m.

1 stop9h 36m

Toronto Pearson Intl

Mon 5/10

7:43 p.m.-9:24 p.m.

Nonstop1h 41m

C$ 320

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Thu 8/10

6:10 a.m.-3:46 p.m.

1 stop9h 36m

Toronto Pearson Intl

Thu 8/10

7:43 p.m.-9:24 p.m.

Nonstop1h 41m

C$ 320

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 12/9

6:15 a.m.-11:43 a.m.

1 stop5h 28m

Toronto Pearson Intl

Sat 12/9

1:55 p.m.-3:25 p.m.

Nonstop1h 30m

C$ 320

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 29/9

3:00 p.m.-4:45 p.m.

Nonstop1h 45m

Toronto Pearson Intl

Tue 6/10

5:29 p.m.-7:17 p.m.

Nonstop1h 48m

C$ 340

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Tue 22/9

10:15 a.m.-11:59 a.m.

Nonstop1h 44m

Toronto Pearson Intl

Sun 11/10

5:29 p.m.-7:17 p.m.

Nonstop1h 48m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maryland 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?

In general, July is the cheapest month to fly from Maryland to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 578. If you are unable to visit Region of Ontario during the month of July, then departing from Maryland during the month May is also very affordable. Most momondo users find prices during this month for around C$ 621.

How far in advance should I book a flight from Maryland to Ontario?

You are more likely to see cheaper flights to Region of Ontario from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 523 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Maryland for as low as C$ 400 on momondo.

Cheap Maryland to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Region of Ontario

Fastest flight time	1h 18m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The fastest flight from Maryland to Region of Ontario takes 1h 18m

Direct flights go from Maryland to Region of Ontario every day.

There are 125 airports in Region of Ontario. From Maryland there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).

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Frequently asked questions about flying from Maryland to Ontario

When did momondo last update prices for flights from Maryland to Ontario?
Prices for flights from Maryland to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Maryland to Ontario?
As of August 2026, there are 4 operators available to choose from for flights from Maryland to Ontario.
How old do you have to be to fly from Maryland to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maryland to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Maryland 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 Maryland to Ontario for you.

Can I find flights from Maryland to Ontario with flexible booking policies on momondo?

Flights from Maryland to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Maryland to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maryland to Ontario.

I’m not ready to book a flight from Maryland to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Maryland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.