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, 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 53% 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.

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

As of May 2026, there are 568 flights per week flying from Maryland to Region of Ontario. The most common day of the week flights depart is Mon, 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 refresh daily.

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

As of May 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.

$96 Cheap Flights from Maryland to Ontario in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

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.

11:30 am - 1:00 pm

IAD

YTZ

1h 30mnonstop

1:50 pm - 3:21 pm

YTZ

IAD

1h 31mnonstop

$193Porter Airlines

Fri, May 29 - Fri, Jun 12

4:05 pm - 5:35 pm

IAD

YTZ

1h 30mnonstop

1:50 pm - 3:21 pm

YTZ

IAD

1h 31mnonstop

$194Porter Airlines

Thu, May 28 - Wed, Jun 10

12:45 pm - 6:22 pm

DCA

YTZ

5h 37m

1 stop

8:20 am - 12:01 pm

YTZ

DCA

3h 41m

1 stop

$201Air Canada

Wed, Jun 10 - Wed, Jun 17

12:45 pm - 6:22 pm

DCA

YTZ

5h 37m

1 stop

8:20 am - 12:00 pm

YTZ

DCA

3h 40m

1 stop

$206Air Canada

Tue, Jun 16 - Thu, Jun 18

10:31 am - 3:46 pm

IAD

YYZ

5h 15m

1 stop

7:43 pm - 9:26 pm

YYZ

IAD

1h 43mnonstop

$231United Airlines

Wed, May 27 - Wed, May 27

8:25 am - 10:04 am

IAD

YYZ

1h 39mnonstop

1:00 pm - 7:02 pm

YYZ

IAD

6h 02m

1 stop

$237United Airlines

Wed, Jun 3 - Wed, Jun 3

10:14 pm - 11:54 pm

IAD

YYZ

1h 40mnonstop

9:35 am - 11:11 am

YYZ

IAD

1h 36mnonstop

$240Lufthansa

Sat, Jun 13 - Sun, Jun 14

10:14 pm - 11:54 pm

IAD

YYZ

1h 40mnonstop

9:35 am - 11:11 am

YYZ

IAD

1h 36mnonstop

$253Lufthansa

Sat, Jun 13 - Sun, Jun 14

10:05 am - 11:44 am

PHL

YUL

1h 39mnonstop

5:00 am - 9:48 am

YUL

PHL

4h 48m

1 stop

$256GOL

Fri, May 29 - Sun, May 31

10:33 am - 12:28 pm

PHL

YUL

1h 55mnonstop

7:51 am - 9:39 am

YUL

PHL

1h 48mnonstop

$414GOL

Sun, Jun 21 - Thu, Jun 25

American Airlines flights from Maryland to Region of Ontario

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

American Airlines

Jun 9

DCA6:57 amWashington, D.C. Reagan-National

5h 15m

1 stop

YYZ12:12 pmToronto Pearson Intl

Jun 13

YYZ5:29 pmToronto Pearson Intl

1h 50m

DCA7:19 pmWashington, D.C. Reagan-National

$256

American Airlines

Jun 20

DCA10:14 amWashington, D.C. Reagan-National

1h 45m

YYZ11:59 amToronto Pearson Intl

Jun 25

YYZ5:29 pmToronto Pearson Intl

1h 50m

DCA7:19 pmWashington, D.C. Reagan-National

$267

American Airlines

Jun 7

DCA10:14 amWashington, D.C. Reagan-National

1h 45m

YYZ11:59 amToronto Pearson Intl

Jun 9

YYZ5:29 pmToronto Pearson Intl

1h 50m

DCA7:19 pmWashington, D.C. Reagan-National

$276

United Airlines flights from Maryland to Region of Ontario

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

United Airlines

May 27

IAD10:31 amWashington, D.C. Dulles Intl

5h 15m

1 stop

YYZ3:46 pmToronto Pearson Intl

May 27

YYZ7:43 pmToronto Pearson Intl

1h 43m

IAD9:26 pmWashington, D.C. Dulles Intl

$231

United Airlines

Jun 3

IAD8:25 amWashington, D.C. Dulles Intl

1h 39m

YYZ10:04 amToronto Pearson Intl

Jun 3

YYZ1:00 pmToronto Pearson Intl

6h 02m

1 stop

IAD7:02 pmWashington, D.C. Dulles Intl

$237

United Airlines

May 27

IAD8:25 amWashington, D.C. Dulles Intl

1h 39m

YYZ10:04 amToronto Pearson Intl

Jun 5

YYZ12:45 pmToronto Pearson Intl

1h 36m

IAD2:21 pmWashington, D.C. Dulles Intl

$246

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 5/29

11:30 am-1:00 pm

Nonstop1h 30m

Toronto Island

Fri 6/12

1:50 pm-3:21 pm

Nonstop1h 31m

$193

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 5/28

4:05 pm-5:35 pm

Nonstop1h 30m

Toronto Island

Wed 6/10

1:50 pm-3:21 pm

Nonstop1h 31m

$194

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 6/10

12:45 pm-6:22 pm

1 stop5h 37m

Toronto Island

Wed 6/17

8:20 am-12:01 pm

1 stop3h 41m

$201

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Tue 6/16

12:45 pm-6:22 pm

1 stop5h 37m

Toronto Island

Thu 6/18

8:20 am-12:00 pm

1 stop3h 40m

$206

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 5/27

10:31 am-3:46 pm

1 stop5h 15m

Toronto Pearson Intl

Wed 5/27

7:43 pm-9:26 pm

Nonstop1h 43m

$231

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 6/3

8:25 am-10:04 am

Nonstop1h 39m

Toronto Pearson Intl

Wed 6/3

1:00 pm-7:02 pm

1 stop6h 02m

$237

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 6/13

10:14 pm-11:54 pm

Nonstop1h 40m

Toronto Pearson Intl

Sun 6/14

9:35 am-11:11 am

Nonstop1h 36m

$240

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 6/13

10:14 pm-11:54 pm

Nonstop1h 40m

Toronto Pearson Intl

Sun 6/14

9:35 am-11:11 am

Nonstop1h 36m

$253

PhiladelphiaMontreal

PHL - YUL

PHLYUL

Philadelphia

Fri 5/29

10:05 am-11:44 am

Nonstop1h 39m

Montreal Pierre Elliott Trudeau Intl

Sun 5/31

5:00 am-9:48 am

1 stop4h 48m

$256

PhiladelphiaMontreal

PHL - YUL

PHLYUL

Philadelphia

Sun 6/21

10:33 am-12:28 pm

Nonstop1h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 6/25

7:51 am-9:39 am

Nonstop1h 48m

$414

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 June is, on average, the cheapest month to fly to Region of Ontario from Maryland, with most prices found around $99. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from Maryland during December instead. Flights to Region of Ontario in December, while not as cheap as those in June, still average around $118.

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 $358 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 $272 on momondo.

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

You could potentially save up to 91% 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 25m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The fastest flight from Maryland to Region of Ontario takes 1h 25m

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 May 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
Delta	PriceFrom $171	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Air Canada	PriceFrom $220	Free Cancellation	Rating 7.1 11,017 reviews	Search Air Canada flights
WestJet	PriceFrom $450	Free Cancellation	Rating 7.2 3,332 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.