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

As of August 2026, there are 607 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.

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

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

What airlines fly to Region of Ontario?

Delta, Air Canada and WestJet are the top three most popular airlines that fly to Region of Ontario from Maryland according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Maryland to Ontario refresh daily.

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

As of August 2026, there are 7 operators available to choose from for flights from Maryland to Ontario.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Ontario.

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

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$97 Cheap Flights from Maryland to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

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 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$198Porter Airlines

Tue, Sep 22 - Fri, Sep 25

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$198Porter Airlines

Mon, Oct 5 - Thu, Oct 8

12:55 pm - 6:20 pmDCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 25m1 stop Ottawa

8:20 am - 12:14 pmYTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 54m1 stop Ottawa

$198Air Canada

Thu, Sep 10 - Mon, Sep 14

12:40 pm - 6:20 pmDCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 40m1 stop Ottawa

8:20 am - 12:00 pmYTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 40m1 stop Ottawa

$198Air Canada

Fri, Aug 28 - Mon, Aug 31

5:15 pm - 6:46 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$199Multiple Airlines

Sat, Oct 3 - Mon, Oct 5

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:30 am - 3:00 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

5h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$200Multiple Airlines

Mon, Sep 14 - Fri, Sep 18

8:20 am - 3:46 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

7h 26m1 stop Chicago O'Hare Intl

7:43 pm - 9:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mnonstop

$231United Airlines

Tue, Oct 6 - Tue, Oct 6

6:45 am - 11:43 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

4h 58m1 stop Newark

2:30 pm - 4:07 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$231United Airlines

Wed, Oct 7 - Wed, Oct 7

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$238Air Transat

Thu, Sep 17 - Mon, Sep 21

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$241Air Transat

Thu, Sep 10 - Mon, Sep 14

Cheap last minute flights

Enter your travel dates to find the best prices.

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$266Porter Airlines

Tue, Aug 18 - Wed, Aug 26

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$289Porter Airlines

Wed, Aug 19 - Wed, Aug 26

4:20 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 30mnonstop

1:55 pm - 3:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

$302Air Canada

Wed, Aug 19 - Sat, Aug 29

4:20 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 30mnonstop

1:55 pm - 3:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 29mnonstop

$302Air Canada

Thu, Aug 20 - Thu, Aug 27

11:10 am - 5:24 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

6h 14m1 stop Detroit Metropolitan Wayne County

4:10 pm - 11:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

7h 16m1 stop Detroit Metropolitan Wayne County

$321JetBlue

Wed, Aug 19 - Wed, Aug 26

9:39 am - 3:20 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

5h 41m1 stop Detroit Metropolitan Wayne County

9:45 am - 6:45 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

9h 00m1 stop Detroit Metropolitan Wayne County

$364Delta

Tue, Aug 18 - Thu, Aug 27

1:30 pm - 9:19 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 49m1 stop New York LaGuardia

10:00 am - 6:59 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

8h 59m1 stop New York LaGuardia

$364Delta

Wed, Aug 19 - Thu, Aug 27

2:59 pm - 4:45 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

5:25 pm - 7:15 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 50mnonstop

$376American Airlines

Tue, Aug 18 - Wed, Aug 26

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$413Multiple Airlines

Thu, Aug 20 - Mon, Aug 24

11:42 am - 1:26 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

11:01 am - 12:44 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

$417American Airlines

Thu, Aug 20 - Sun, Aug 30

Cheap direct flights

Enter your travel dates to find the best prices.

11:25 am - 12:55 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$198Porter Airlines

Tue, Sep 22 - Fri, Sep 25

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

9:15 am - 10:45 amYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$198Porter Airlines

Mon, Oct 5 - Thu, Oct 8

5:15 pm - 6:46 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$199Multiple Airlines

Sat, Oct 3 - Mon, Oct 5

6:59 am - 8:35 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mnonstop

8:55 pm - 10:34 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mnonstop

$201Air Canada

Sat, Oct 3 - Mon, Oct 5

5:20 pm - 6:56 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 36mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$201Multiple Airlines

Sat, Aug 29 - Mon, Aug 31

5:40 pm - 7:11 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 31mnonstop

3:45 pm - 5:08 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 23mnonstop

$202Air Canada

Sat, Sep 5 - Sun, Sep 6

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$238Air Transat

Thu, Sep 17 - Mon, Sep 21

3:50 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mnonstop

1:40 pm - 3:10 pmYTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$241Air Transat

Thu, Sep 10 - Mon, Sep 14

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

7:43 pm - 9:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 41mnonstop

$245United Airlines

Fri, Sep 11 - Wed, Sep 23

10:19 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 35mnonstop

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$245United Airlines

Fri, Sep 11 - Tue, Sep 15

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Air Canada flights from Maryland to Region of Ontario

Our best Air Canada deals on Maryland to Region of Ontario flight tickets

Air Canada

Aug 28

DCA12:40 pmWashington, D.C. Reagan-National

5h 40m

1 stop

YTZ6:20 pmToronto Island

Aug 31

YTZ8:20 amToronto Island

3h 40m

1 stop

DCA12:00 pmWashington, D.C. Reagan-National

$198

Air Canada

Oct 3

DCA12:40 pmWashington, D.C. Reagan-National

6h 27m

1 stop

YYZ7:07 pmToronto Pearson Intl

Oct 5

YYZ8:55 pmToronto Pearson Intl

1h 39m

DCA10:34 pmWashington, D.C. Reagan-National

$199

Air Canada

Aug 27

DCA12:40 pmWashington, D.C. Reagan-National

5h 40m

1 stop

YTZ6:20 pmToronto Island

Aug 31

YTZ8:20 amToronto Island

3h 40m

1 stop

DCA12:00 pmWashington, D.C. Reagan-National

$200

Delta flights from Maryland to Region of Ontario

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

Delta

Sep 28

IAD5:15 pmWashington, D.C. Dulles Intl

5h 44m

1 stop

YYZ10:59 pmToronto Pearson Intl

Oct 5

YYZ4:05 pmToronto Pearson Intl

7h 09m

1 stop

IAD11:14 pmWashington, D.C. Dulles Intl

$270

Delta

Aug 28

DCA6:10 amWashington, D.C. Reagan-National

7h 24m

1 stop

YYZ1:34 pmToronto Pearson Intl

Sep 3

YYZ6:00 amToronto Pearson Intl

4h 15m

1 stop

DCA10:15 amWashington, D.C. Reagan-National

$281

Delta

Aug 27

DCA9:39 amWashington, D.C. Reagan-National

7h 45m

1 stop

YYZ5:24 pmToronto Pearson Intl

Sep 4

YYZ4:10 pmToronto Pearson Intl

6h 49m

1 stop

DCA10:59 pmWashington, D.C. Reagan-National

$324

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Tue 9/22

11:25 am-12:55 pm

Nonstop1h 30m

Toronto Island

Fri 9/25

9:15 am-10:45 am

Nonstop1h 30m

$198

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Mon 10/5

3:50 pm-5:20 pm

Nonstop1h 30m

Toronto Island

Thu 10/8

9:15 am-10:45 am

Nonstop1h 30m

$198

Washington, D.C.Toronto

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

DCAYTZ

Washington, D.C. Reagan-National

Thu 9/10

12:55 pm-6:20 pm

1 stop5h 25m

Toronto Island

Mon 9/14

8:20 am-12:14 pm

1 stop3h 54m

$198

Washington, D.C.Toronto

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

DCAYTZ

Washington, D.C. Reagan-National

Fri 8/28

12:40 pm-6:20 pm

1 stop5h 40m

Toronto Island

Mon 8/31

8:20 am-12:00 pm

1 stop3h 40m

$198

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Sat 10/3

5:15 pm-6:46 pm

Nonstop1h 31m

Toronto Island

Mon 10/5

1:40 pm-3:10 pm

Nonstop1h 30m

$199

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Mon 9/14

11:25 am-12:55 pm

Nonstop1h 30m

Toronto Island

Fri 9/18

9:30 am-3:00 pm

1 stop5h 30m

$200

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Tue 10/6

8:20 am-3:46 pm

1 stop7h 26m

Toronto Pearson Intl

Tue 10/6

7:43 pm-9:24 pm

Nonstop1h 41m

$231

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Wed 10/7

6:45 am-11:43 am

1 stop4h 58m

Toronto Pearson Intl

Wed 10/7

2:30 pm-4:07 pm

Nonstop1h 37m

$231

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Thu 9/17

3:50 pm-5:20 pm

Nonstop1h 30m

Toronto Island

Mon 9/21

1:40 pm-3:10 pm

Nonstop1h 30m

$238

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Thu 9/10

3:50 pm-5:20 pm

Nonstop1h 30m

Toronto Island

Mon 9/14

1:40 pm-3:10 pm

Nonstop1h 30m

$241

Flights are sorted by cheapest round-trip flights first.

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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?

The month of July is, on average, the cheapest month to fly to Region of Ontario from Maryland, with most prices found around $417. If you aren’t able to travel during the month of July, then book flights to Region of Ontario from Maryland during May instead. Flights to Region of Ontario in May, while not as cheap as those in July, still average around $448.

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 $378 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 $288 on momondo.

Can stopping save me money on Maryland to Region of Ontario flights?

You could potentially save up to 49% on your flight if you consider stops on a Maryland to Region of Ontario flight.

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).

Search flight deals

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 refresh daily.
How many operators does momondo search for flights from Maryland to Ontario?
As of August 2026, there are 7 operators available to choose from for flights from Maryland to Ontario.
How old do you have to be to fly from Maryland to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Maryland to Region of Ontario

Compare and see reviews for airlines that fly from Maryland to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $220	Free Cancellation	Rating 7.1 11,478 reviews	Search Air Canada flights
Delta	PriceFrom $240	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
WestJet	PriceFrom $516	Free Cancellation	Rating 7.2 3,433 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Maryland to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Maryland to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Maryland and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Maryland to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.