Which airlines fly to Maryland?

WestJet, United Airlines and Porter Airlines are the top three most popular airlines that fly to Maryland from Region of Ontario according to our data. WestJet is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Maryland. Keep in mind that there are 4 different airlines that fly to Maryland on a routine basis, so you have a few additional options to choose from.

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

658 flights are operational weekly from Region of Ontario to Maryland as of August 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.

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

The flight from Region of Ontario to Maryland depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Toronto (a popular airport in Region of Ontario) to Baltimore (the most popular airport in Maryland), then the flight time is 5h 50m on average. If you fly from Ottawa (another popular airport in Region of Ontario) to Baltimore, then the average flight time is 8h 02m.

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

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

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

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

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

There are 7 operators available for flights from Ontario to Maryland as of August 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Maryland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 178 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.

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

1h 30mdirect

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

1h 30mdirect

C$ 266Porter Airlines

Sun, 30 Aug - Sun, 13 Sep

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

1h 30mdirect

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

1h 30mdirect

C$ 268Porter Airlines

Tue, 1 Sep - Sun, 20 Sep

9:30 a.m. - 3:00 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

5h 30m1 stop Montreal Pierre Elliott Trudeau Intl

3:45 p.m. - 9:30 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

5h 45m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 268Air Canada

Fri, 11 Sep - Mon, 28 Sep

8:20 a.m. - 12:00 p.m.YTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 40m1 stop Ottawa

12:40 p.m. - 6:15 p.m.DCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 35m1 stop Ottawa

C$ 268Air Canada

Sat, 3 Oct - Sun, 11 Oct

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

1h 30mdirect

3:45 p.m. - 9:30 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

5h 45m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 282Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

10:45 a.m. - 2:55 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

4h 10m1 stop Montreal Pierre Elliott Trudeau Intl

12:05 p.m. - 1:35 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

C$ 283Multiple Airlines

Thu, 3 Sep - Sun, 6 Sep

2:30 p.m. - 4:07 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

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

1h 35mdirect

C$ 284United Airlines

Fri, 11 Sep - Mon, 14 Sep

2:30 p.m. - 4:07 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

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

1h 45mdirect

C$ 284United Airlines

Thu, 17 Sep - Sun, 20 Sep

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

1h 30mdirect

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

1h 30mdirect

C$ 293Air Transat

Mon, 31 Aug - Thu, 1 Oct

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

1h 30mdirect

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

1h 30mdirect

C$ 297Air Transat

Thu, 27 Aug - Sun, 30 Aug

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

1h 30mdirect

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

1h 30mdirect

C$ 330Porter Airlines

Sat, 22 Aug - Wed, 26 Aug

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

1h 30mdirect

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

1h 30mdirect

C$ 334Porter Airlines

Sat, 22 Aug - Wed, 26 Aug

3:15 p.m. - 4:41 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 26mdirect

9:45 a.m. - 3:51 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

6h 06m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 344Air Canada

Thu, 20 Aug - Wed, 2 Sep

7:20 a.m. - 8:52 a.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 32mdirect

12:40 p.m. - 7:12 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

6h 32m1 stop Ottawa

C$ 352Air Canada

Fri, 21 Aug - Sat, 29 Aug

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

1h 30mdirect

5:20 p.m. - 6:56 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 36mdirect

C$ 359Multiple Airlines

Sat, 22 Aug - Wed, 26 Aug

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

1h 30mdirect

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

1h 30mdirect

C$ 413Multiple Airlines

Thu, 20 Aug - Wed, 2 Sep

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

1h 41mdirect

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

1h 36mdirect

C$ 427United Airlines

Tue, 18 Aug - Sun, 30 Aug

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

1h 37mdirect

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

1h 36mdirect

C$ 427United Airlines

Wed, 19 Aug - Sun, 30 Aug

7:55 a.m. - 4:19 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

8h 24m1 stop New York LaGuardia

6:10 a.m. - 1:34 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 24m1 stop Detroit Metropolitan Wayne County

C$ 427Delta

Wed, 19 Aug - Fri, 28 Aug

6:00 a.m. - 12:42 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

6h 42m1 stop New York LaGuardia

11:00 a.m. - 5:35 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

6h 35m1 stop New York John F Kennedy Intl

C$ 427Delta

Wed, 19 Aug - Tue, 25 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

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

1h 30mdirect

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

1h 30mdirect

C$ 266Porter Airlines

Sun, 30 Aug - Sun, 13 Sep

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

1h 30mdirect

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

1h 30mdirect

C$ 268Porter Airlines

Tue, 1 Sep - Sun, 20 Sep

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

1h 23mdirect

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

1h 31mdirect

C$ 269Air Canada

Sat, 26 Sep - Wed, 30 Sep

4:40 p.m. - 6:15 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 35mdirect

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

1h 36mdirect

C$ 269Air Canada

Fri, 25 Sep - Sun, 27 Sep

2:30 p.m. - 4:07 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

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

1h 35mdirect

C$ 284United Airlines

Fri, 11 Sep - Mon, 14 Sep

2:30 p.m. - 4:07 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mdirect

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

1h 45mdirect

C$ 284United Airlines

Thu, 17 Sep - Sun, 20 Sep

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

1h 37mdirect

9:55 a.m. - 11:20 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 25mdirect

C$ 284Multiple Airlines

Thu, 17 Sep - Tue, 22 Sep

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

1h 37mdirect

9:55 a.m. - 11:20 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 25mdirect

C$ 284Multiple Airlines

Fri, 25 Sep - Tue, 29 Sep

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

1h 30mdirect

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

1h 30mdirect

C$ 293Air Transat

Mon, 31 Aug - Thu, 1 Oct

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

1h 30mdirect

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

1h 30mdirect

C$ 297Air Transat

Thu, 27 Aug - Sun, 30 Aug

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WestJet flights from Region of Ontario to Maryland

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

WestJet

2 Sep

YUL12:47 p.m.Montreal Pierre Elliott Trudeau Intl

6h 43m

1 stop

PHL7:30 p.m.Philadelphia

9 Sep

PHL10:35 a.m.Philadelphia

13h 15m

1 stop

YUL11:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 555

WestJet

29 Aug

YYZ11:40 a.m.Toronto Pearson Intl

5h 59m

1 stop

PHL5:39 p.m.Philadelphia

5 Sep

PHL6:54 p.m.Philadelphia

16h 41m

1 stop

YYZ11:35 a.m.Toronto Pearson Intl

C$ 560

WestJet

29 Aug

YYZ11:40 a.m.Toronto Pearson Intl

5h 59m

1 stop

PHL5:39 p.m.Philadelphia

30 Aug

PHL5:45 a.m.Philadelphia

18h 14m

2 stops

YYZ11:59 p.m.Toronto Pearson Intl

C$ 565

American Airlines flights from Region of Ontario to Maryland

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

American Airlines

1 Oct

YYZ11:02 a.m.Toronto Pearson Intl

7h 38m

1 stop

PHL6:40 p.m.Philadelphia

1 Oct

PHL9:52 p.m.Philadelphia

1h 54m

YYZ11:46 p.m.Toronto Pearson Intl

C$ 481

American Airlines

1 Oct

YYZ6:04 p.m.Toronto Pearson Intl

1h 50m

PHL7:54 p.m.Philadelphia

1 Oct

PHL10:20 p.m.Philadelphia

12h 39m

1 stop

YYZ10:59 a.m.Toronto Pearson Intl

C$ 492

American Airlines

29 Aug

YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl

1h 48m

PHL6:03 p.m.Philadelphia

30 Aug

PHL10:35 a.m.Philadelphia

1h 52m

YUL12:27 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 576

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Sun 30/8

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

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 13/9

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

Nonstop1h 30m

C$ 266

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Tue 1/9

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

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 20/9

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

Nonstop1h 30m

C$ 268

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Fri 11/9

9:30 a.m.-3:00 p.m.

1 stop5h 30m

Washington, D.C. Dulles Intl

Mon 28/9

3:45 p.m.-9:30 p.m.

1 stop5h 45m

C$ 268

TorontoWashington, D.C.

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

YTZDCA

Toronto Island

Sat 3/10

8:20 a.m.-12:00 p.m.

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 11/10

12:40 p.m.-6:15 p.m.

1 stop5h 35m

C$ 268

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Mon 28/9

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

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 5/10

3:45 p.m.-9:30 p.m.

1 stop5h 45m

C$ 282

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 3/9

10:45 a.m.-2:55 p.m.

1 stop4h 10m

Washington, D.C. Dulles Intl

Sun 6/9

12:05 p.m.-1:35 p.m.

Nonstop1h 30m

C$ 283

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Fri 11/9

2:30 p.m.-4:07 p.m.

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 14/9

10:19 p.m.-11:54 p.m.

Nonstop1h 35m

C$ 284

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Thu 17/9

2:30 p.m.-4:07 p.m.

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 20/9

5:17 p.m.-7:02 p.m.

Nonstop1h 45m

C$ 284

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Mon 31/8

1:40 p.m.-3:10 p.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Thu 1/10

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

Nonstop1h 30m

C$ 293

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Thu 27/8

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

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 30/8

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

Nonstop1h 30m

C$ 297

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 February. Flight prices, which tend to average around C$ 540, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in February, then you should wait until October to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 553.

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

Our data shows that Friday is the least expensive day to fly to Maryland. Tickets to fly out on this day can be as low as C$ 619. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Maryland for around C$ 995.

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

Our data shows that the cheapest Region of Ontario to Maryland flights are usually those with departure times in the afternoon. Our users have found flights to Maryland in the afternoon for as low as C$ 546. At noon is when there is more demand to fly to Maryland, so prices are often more expensive at around C$ 931 per ticket.

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 C$ 430 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 C$ 397 on momondo.

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

You could potentially save up to 35% 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 25m
Direct flights	Every day
Airports in Maryland	112 airports

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

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 Washington, D.C. Dulles Intl (IAD).

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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 are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Maryland?
There are 7 operators available for flights from Ontario to Maryland as of August 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Maryland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
Porter Airlines	PriceFrom C$ 240	Free Cancellation	Rating 8.0 457 reviews	Search Porter Airlines flights
Delta	PriceFrom C$ 352	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom C$ 433	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 644	Free Cancellation	Rating 7.2 3,431 reviews	Search WestJet flights

Why use momondo?

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

It is quick and easy to find Ontario to Maryland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Maryland that suits you.

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

Flights from Ontario to Maryland 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 Ontario to Maryland?

Once all potential Ontario to Maryland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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