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

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

How long is the flight from Region of Ontario to Maryland?

Flight times from Region of Ontario to Maryland vary, but if you’re flying out of Toronto and flying into Baltimore (one of the most popular routes), then the duration is 4h 55m on average. Another popular route from Region of Ontario to Maryland is flying from Ottawa to Baltimore, which will take roughly 7h 30m. Keep in mind that layovers or delays could extend your travel time.

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

As of June 2026, there are 488 flights per week flying from Region of Ontario to Maryland. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.

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

Prices for flights from Ontario to Maryland were last updated today.

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

The number of operators available for flights from Ontario to Maryland is 6 as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Maryland.

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

The required travel and health documents for your Maryland 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 Maryland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$131 Cheap Flights from Ontario to Maryland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Maryland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:55 am - 10:25 am

YTZ

IAD

1h 30mnonstop

3:55 pm - 5:25 pm

IAD

YTZ

1h 30mnonstop

$205Porter Airlines

Thu, Jul 16 - Sun, Jul 19

1:40 pm - 3:11 pm

YTZ

IAD

1h 31mnonstop

3:55 pm - 5:25 pm

IAD

YTZ

1h 30mnonstop

$206Porter Airlines

Sat, Jul 18 - Sat, Jul 25

8:55 am - 10:25 am

YTZ

IAD

1h 30mnonstop

3:55 pm - 5:25 pm

IAD

YTZ

1h 30mnonstop

$207Porter Airlines

Thu, Jul 16 - Sun, Jul 19

7:20 am - 8:55 am

YYZ

DCA

1h 35mnonstop

6:59 am - 8:35 am

DCA

YYZ

1h 36mnonstop

$225Air Canada

Tue, Oct 6 - Wed, Oct 7

1:55 pm - 3:25 pm

YYZ

IAD

1h 30mnonstop

9:55 am - 11:20 am

IAD

YYZ

1h 25mnonstop

$225Air Canada

Tue, Oct 6 - Wed, Oct 7

7:43 pm - 9:24 pm

YYZ

IAD

1h 41mnonstop

8:20 am - 3:46 pm

IAD

YYZ

7h 26m

1 stop

$251United Airlines

Tue, Oct 6 - Wed, Oct 7

5:34 pm - 12:12 am

YUL

PHL

6h 38m

1 stop

10:30 am - 12:26 pm

PHL

YUL

1h 56mnonstop

$295American Airlines

Sat, Sep 12 - Sun, Sep 13

1:30 pm - 12:25 pm

YYZ

BWI

22h 55m

1 stop

1:55 pm - 8:55 pm

BWI

YYZ

31h 00m

1 stop

$317Multiple Airlines

Mon, Aug 31 - Thu, Oct 1

6:15 am - 7:58 am

YYZ

PHL

1h 43mnonstop

12:39 pm - 5:44 pm

PHL

YYZ

5h 05m

1 stop

$326American Airlines

Thu, Oct 1 - Thu, Oct 1

1:30 pm - 7:26 am

YYZ

BWI

17h 56m

2 stops

1:55 pm - 8:55 pm

BWI

YYZ

31h 00m

1 stop

$332Multiple Airlines

Mon, Aug 31 - Thu, Oct 1

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American Airlines flights from Region of Ontario to Maryland

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

American Airlines

Jul 8

YYZ11:00 amToronto Pearson Intl

1h 49m

DCA12:49 pmWashington, D.C. Reagan-National

Jul 8

DCA5:26 pmWashington, D.C. Reagan-National

5h 47m

1 stop

YYZ11:13 pmToronto Pearson Intl

$252

American Airlines

Jul 11

YYZ7:23 amToronto Pearson Intl

4h 36m

1 stop

DCA11:59 amWashington, D.C. Reagan-National

Jul 11

DCA2:58 pmWashington, D.C. Reagan-National

1h 47m

YYZ4:45 pmToronto Pearson Intl

$279

American Airlines

Sep 12

YUL5:34 pmMontreal Pierre Elliott Trudeau Intl

6h 38m

1 stop

PHL12:12 amPhiladelphia

Sep 13

PHL10:30 amPhiladelphia

1h 56m

YUL12:26 pmMontreal Pierre Elliott Trudeau Intl

$295

United Airlines flights from Region of Ontario to Maryland

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

United Airlines

Jul 10

YYZ8:45 amToronto Pearson Intl

7h 45m

1 stop

IAD4:30 pmWashington, D.C. Dulles Intl

Jul 10

IAD10:14 pmWashington, D.C. Dulles Intl

1h 40m

YYZ11:54 pmToronto Pearson Intl

$267

United Airlines

Jul 9

YYZ9:35 amToronto Pearson Intl

1h 36m

IAD11:11 amWashington, D.C. Dulles Intl

Jul 12

IAD8:25 amWashington, D.C. Dulles Intl

1h 39m

YYZ10:04 amToronto Pearson Intl

$326

United Airlines

Jul 10

YYZ2:30 pmToronto Pearson Intl

1h 43m

IAD4:13 pmWashington, D.C. Dulles Intl

Jul 12

IAD8:25 amWashington, D.C. Dulles Intl

1h 39m

YYZ10:04 amToronto Pearson Intl

$327

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 7/16

8:55 am-10:25 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 7/19

3:55 pm-5:25 pm

Nonstop1h 30m

$205

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 7/18

1:40 pm-3:11 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 7/25

3:55 pm-5:25 pm

Nonstop1h 30m

$206

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 7/16

8:55 am-10:25 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 7/19

3:55 pm-5:25 pm

Nonstop1h 30m

$207

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 10/6

7:20 am-8:55 am

Nonstop1h 35m

Washington, D.C. Reagan-National

Wed 10/7

6:59 am-8:35 am

Nonstop1h 36m

$225

Quickest round-trip

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/6

1:55 pm-3:25 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 10/7

9:55 am-11:20 am

Nonstop1h 25m

$225

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/6

7:43 pm-9:24 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Wed 10/7

8:20 am-3:46 pm

1 stop7h 26m

$251

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

5:34 pm-12:12 am

1 stop6h 38m

Philadelphia

Sun 9/13

10:30 am-12:26 pm

Nonstop1h 56m

$295

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 8/31

1:30 pm-12:25 pm

1 stop22h 55m

Baltimore/Washington

Thu 10/1

1:55 pm-8:55 pm

1 stop31h 00m

$317

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Thu 10/1

6:15 am-7:58 am

Nonstop1h 43m

Philadelphia

Thu 10/1

12:39 pm-5:44 pm

1 stop5h 05m

$326

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 8/31

1:30 pm-7:26 am

2 stops17h 56m

Baltimore/Washington

Thu 10/1

1:55 pm-8:55 pm

1 stop31h 00m

$332

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 Region of Ontario to Maryland

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 Maryland?

The cheapest month to fly to Maryland from Region of Ontario is in October. Flight prices, which tend to average around $137, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in October, then you should wait until July to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $160.

What is the cheapest day to depart on your flight to Maryland?

The cheapest day to depart from Region of Ontario to Maryland is on a Friday. Travelers who choose to depart for Maryland on a Friday will often find tickets for as low as $343. The most expensive day to fly to Maryland is Sunday, with ticket prices averaging around $579.

What is the cheapest time of day to depart on your flight to Maryland?

Our most recent data shows that the best time of day to fly to Maryland is in the afternoon. Flights from Region of Ontario to Maryland during this time can be as low as $345. In contrast, the most expensive time of day to depart to Maryland is at noon when prices are around $504.

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

You are more likely to see cheaper flights to Maryland from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Maryland for around $309 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maryland from Region of Ontario for as low as $278 on momondo.

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

You could potentially save up to 51% on your flight if you consider stops on a Region of Ontario to Maryland flight.

Cheap Region of Ontario to Maryland flight deals and tips

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

Fastest flight time	1h 28m
Direct flights	Every day
Airports in Maryland	112 airports

The fastest flight from Region of Ontario to Maryland takes 1h 28m

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

There are 112 airports in Maryland. From Region of Ontario there are direct flights to Philadelphia (PHL), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Ontario to Maryland

When did momondo last update prices for flights from Ontario to Maryland?
Prices for flights from Ontario to Maryland were last updated today.
How many operators does momondo search for flights from Ontario to Maryland?
The number of operators available for flights from Ontario to Maryland is 6 as of June 2026.
How old do you have to be to fly from Ontario to Maryland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Maryland.
What documentation or ID do you need to fly to Maryland?
The required travel and health documents for your Maryland 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 Maryland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Region of Ontario to Maryland

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $389	Free Cancellation	Rating 7.8 8,453 reviews		Search Delta flights
WestJet	PriceFrom $498	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 Ontario to Maryland?

Finding the right flight to Maryland from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Maryland quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Maryland from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Ontario to Maryland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Maryland, momondo offers a useful price alert feature which will track prices for flights to Maryland from Ontario and alert you when they change.