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

As of June 2026, there are 576 flights per week flying from Maryland to Region of Ontario. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.

What airlines fly to Region of Ontario?

Delta, WestJet and Air Canada 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 48% 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.

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

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 June 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.

$99 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.

3:50 pm - 5:20 pm

IAD

YTZ

1h 30mnonstop

1:40 pm - 3:10 pm

YTZ

IAD

1h 30mnonstop

$214Porter Airlines

Tue, Aug 4 - Wed, Aug 19

3:55 pm - 5:25 pm

IAD

YTZ

1h 30mnonstop

8:55 am - 10:25 am

YTZ

IAD

1h 30mnonstop

$217Porter Airlines

Tue, Jul 28 - Fri, Jul 31

11:25 am - 12:55 pm

IAD

YTZ

1h 30mnonstop

1:40 pm - 3:10 pm

YTZ

IAD

1h 30mnonstop

$218Porter Airlines

Sat, Aug 1 - Tue, Aug 4

6:59 am - 8:35 am

DCA

YYZ

1h 36mnonstop

7:20 am - 8:55 am

YYZ

DCA

1h 35mnonstop

$277Air Canada

Fri, Oct 16 - Sun, Oct 18

4:00 pm - 5:25 pm

IAD

YYZ

1h 25mnonstop

6:55 pm - 8:25 pm

YYZ

IAD

1h 30mnonstop

$277Air Canada

Sat, Sep 19 - Mon, Sep 21

1:20 pm - 4:55 pm

BWI

YYZ

27h 35m

1 stop

1:30 pm - 12:25 pm

YYZ

BWI

22h 55m

1 stop

$318Multiple Airlines

Tue, Aug 18 - Mon, Aug 31

1:05 pm - 8:55 pm

BWI

YYZ

7h 50m

1 stop

6:30 am - 12:10 pm

YYZ

BWI

29h 40m

1 stop

$329Multiple Airlines

Mon, Jul 13 - Tue, Jul 14

5:36 pm - 11:30 pm

BWI

YUL

5h 54m

1 stop

6:00 am - 11:42 am

YUL

BWI

5h 42m

1 stop

$491WestJet

Mon, Aug 17 - Wed, Aug 19

9:59 am - 4:45 pm

BWI

YUL

6h 46m

2 stops

6:00 am - 11:42 am

YUL

BWI

5h 42m

1 stop

$493WestJet

Mon, Aug 17 - Wed, Aug 19

4:39 pm - 11:51 pm

BWI

YUL

7h 12m

1 stop

6:15 pm - 12:26 am

YUL

BWI

6h 11m

1 stop

$494Delta

Fri, Dec 4 - Mon, Dec 7

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Maryland to Region of Ontario

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

Air Canada

Oct 16

IAD5:15 pmWashington, D.C. Dulles Intl

1h 31m

YTZ6:46 pmToronto Island

Oct 18

YTZ3:15 pmToronto Island

1h 23m

IAD4:38 pmWashington, D.C. Dulles Intl

$268

Air Canada

Oct 16

DCA6:59 amWashington, D.C. Reagan-National

1h 36m

YYZ8:35 amToronto Pearson Intl

Oct 18

YYZ7:20 amToronto Pearson Intl

1h 35m

DCA8:55 amWashington, D.C. Reagan-National

$277

Air Canada

Oct 29

DCA12:55 pmWashington, D.C. Reagan-National

5h 24m

1 stop

YTZ6:19 pmToronto Island

Nov 5

YTZ8:20 amToronto Island

3h 59m

1 stop

DCA12:19 pmWashington, D.C. Reagan-National

$278

United Airlines flights from Maryland to Region of Ontario

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

United Airlines

Jul 10

IAD10:14 pmWashington, D.C. Dulles Intl

1h 40m

YYZ11:54 pmToronto Pearson Intl

Jul 14

YYZ12:45 pmToronto Pearson Intl

1h 36m

IAD2:21 pmWashington, D.C. Dulles Intl

$384

United Airlines

Jul 11

IAD5:42 pmWashington, D.C. Dulles Intl

4h 41m

1 stop

YYZ10:23 pmToronto Pearson Intl

Jul 16

YYZ9:35 amToronto Pearson Intl

1h 36m

IAD11:11 amWashington, D.C. Dulles Intl

$394

United Airlines

Sep 4

PHL10:05 amPhiladelphia

1h 44m

YUL11:49 amMontreal Pierre Elliott Trudeau Intl

Sep 7

YUL7:55 pmMontreal Pierre Elliott Trudeau Intl

1h 39m

PHL9:34 pmPhiladelphia

$404

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 8/4

3:50 pm-5:20 pm

Nonstop1h 30m

Toronto Island

Wed 8/19

1:40 pm-3:10 pm

Nonstop1h 30m

$214

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 7/28

3:55 pm-5:25 pm

Nonstop1h 30m

Toronto Island

Fri 7/31

8:55 am-10:25 am

Nonstop1h 30m

$217

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 8/1

11:25 am-12:55 pm

Nonstop1h 30m

Toronto Island

Tue 8/4

1:40 pm-3:10 pm

Nonstop1h 30m

$218

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 10/16

6:59 am-8:35 am

Nonstop1h 36m

Toronto Pearson Intl

Sun 10/18

7:20 am-8:55 am

Nonstop1h 35m

$277

Quickest round-trip

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 9/19

4:00 pm-5:25 pm

Nonstop1h 25m

Toronto Pearson Intl

Mon 9/21

6:55 pm-8:25 pm

Nonstop1h 30m

$277

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 8/18

1:20 pm-4:55 pm

1 stop27h 35m

Toronto Pearson Intl

Mon 8/31

1:30 pm-12:25 pm

1 stop22h 55m

$318

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 7/13

1:05 pm-8:55 pm

1 stop7h 50m

Toronto Pearson Intl

Tue 7/14

6:30 am-12:10 pm

1 stop29h 40m

$329

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Mon 8/17

5:36 pm-11:30 pm

1 stop5h 54m

Montreal Pierre Elliott Trudeau Intl

Wed 8/19

6:00 am-11:42 am

1 stop5h 42m

$491

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Mon 8/17

9:59 am-4:45 pm

2 stops6h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 8/19

6:00 am-11:42 am

1 stop5h 42m

$493

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 12/4

4:39 pm-11:51 pm

1 stop7h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 12/7

6:15 pm-12:26 am

1 stop6h 11m

$494

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?

The month of December is, on average, the cheapest month to fly to Region of Ontario from Maryland, with most prices found around $118. If you aren’t able to travel during the month of December, then book flights to Region of Ontario from Maryland during August instead. Flights to Region of Ontario in August, while not as cheap as those in December, still average around $127.

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 $368 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 $290 on momondo.

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

You could potentially save up to 32% 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 June 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 11,268 reviews	Search Air Canada flights
Delta	PriceFrom $240	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
WestJet	PriceFrom $495	Free Cancellation	Rating 7.2 3,385 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.