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Cheap flights from Maryland to Ontario from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Ontario departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Maryland to Ontario

Cheap round-trip flights

Multiple Airlines Logo
9:41 pm - 2:20 pmBWI-YYZ
16h 39m1 stop
Multiple Airlines Logo
8:00 pm - 8:34 amYYZ-BWI
12h 34m1 stop
$210Multiple Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Porter Airlines Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
Porter Airlines Logo
1:35 pm - 3:06 pmYTZ-IAD
1h 31mnonstop
$213Porter Airlines
Find Deal
Wed, Oct 15 - Tue, Oct 21
Air Canada Logo
9:45 am - 3:34 pmIAD-YYZ
5h 49m1 stop
Air Canada Logo
6:55 pm - 8:26 pmYYZ-IAD
1h 31mnonstop
$215Air Canada
Find Deal
Mon, Nov 3 - Sat, Nov 8
Air Canada Logo
4:30 pm - 6:03 pmIAD-YYZ
1h 33mnonstop
Air Canada Logo
6:55 pm - 8:26 pmYYZ-IAD
1h 31mnonstop
$216Air Canada
Find Deal
Wed, Nov 5 - Sat, Nov 8
Air Transat Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
Air Transat Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
$263Air Transat
Find Deal
Sat, Oct 18 - Sun, Oct 19
Air Transat Logo
4:20 pm - 5:53 pmIAD-YTZ
1h 33mnonstop
Air Transat Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
$271Air Transat
Find Deal
Fri, Oct 17 - Mon, Oct 20
Delta Logo
6:05 am - 11:20 amIAD-YYZ
5h 15m1 stop
Delta Logo
6:00 am - 11:31 amYYZ-IAD
5h 31m1 stop
$287Delta
Find Deal
Sat, Oct 25 - Tue, Nov 18
Delta Logo
5:00 am - 1:45 pmDCA-YYZ
8h 45m1 stop
Delta Logo
6:00 am - 10:06 amYYZ-DCA
4h 06m1 stop
$298Delta
Find Deal
Sun, Nov 2 - Fri, Nov 7
WestJet Logo
6:00 am - 12:02 pmDCA-YUL
6h 02m1 stop
WestJet Logo
12:55 pm - 6:59 pmYUL-DCA
6h 04m1 stop
$349WestJet
Find Deal
Sat, Oct 25 - Mon, Oct 27
WestJet Logo
9:40 am - 1:35 pmDCA-YUL
3h 55m1 stop
WestJet Logo
6:40 pm - 6:33 pmYUL-DCA
23h 53m1 stop
$351WestJet
Find Deal
Sat, Oct 25 - Mon, Oct 27

Air Canada flights from Maryland to Region of Ontario

Our best Air Canada deals on Maryland to Region of Ontario flight tickets
Air Canada
Nov 3
IAD9:45 amWashington, D.C. Dulles Intl
5h 49m
1 stop
YYZ3:34 pmToronto Pearson Intl
Nov 8
YYZ6:55 pmToronto Pearson Intl
1h 31m
IAD8:26 pmWashington, D.C. Dulles Intl
$215
Find similar
Air Canada
Nov 5
IAD4:30 pmWashington, D.C. Dulles Intl
1h 33m
YYZ6:03 pmToronto Pearson Intl
Nov 8
YYZ6:55 pmToronto Pearson Intl
1h 31m
IAD8:26 pmWashington, D.C. Dulles Intl
$216
Find similar
Air Canada
Oct 30
DCA6:59 amWashington, D.C. Reagan-National
1h 36m
YYZ8:35 amToronto Pearson Intl
Nov 2
YYZ7:20 amToronto Pearson Intl
1h 35m
DCA8:55 amWashington, D.C. Reagan-National
$219
Find similar

American Airlines flights from Maryland to Region of Ontario

Our best American Airlines deals on Maryland to Region of Ontario flight tickets
American Airlines
Oct 7
DCA10:14 amWashington, D.C. Reagan-National
1h 45m
YYZ11:59 amToronto Pearson Intl
Oct 9
YYZ11:00 amToronto Pearson Intl
1h 40m
DCA12:40 pmWashington, D.C. Reagan-National
$286
Find similar
American Airlines
Oct 5
DCA10:08 amWashington, D.C. Reagan-National
1h 51m
YYZ11:59 amToronto Pearson Intl
Oct 8
YYZ5:15 pmToronto Pearson Intl
1h 40m
DCA6:55 pmWashington, D.C. Reagan-National
$296
Find similar
American Airlines
Oct 31
DCA8:20 amWashington, D.C. Reagan-National
1h 59m
YYZ10:19 amToronto Pearson Intl
Nov 2
YYZ7:00 amToronto Pearson Intl
5h 22m
1 stop
DCA12:22 pmWashington, D.C. Reagan-National
$305
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 23, 2025.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 10/31

9:41 pm-2:20 pm

1 stop16h 39m

Toronto Pearson Intl

Sun 11/2

8:00 pm-8:34 am

1 stop12h 34m

$210

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 10/15

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Tue 10/21

1:35 pm-3:06 pm

Nonstop1h 31m

$213

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 11/3

9:45 am-3:34 pm

1 stop5h 49m

Toronto Pearson Intl

Sat 11/8

6:55 pm-8:26 pm

Nonstop1h 31m

$215

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 11/5

4:30 pm-6:03 pm

Nonstop1h 33m

Toronto Pearson Intl

Sat 11/8

6:55 pm-8:26 pm

Nonstop1h 31m

$216

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 10/18

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Sun 10/19

8:45 am-10:16 am

Nonstop1h 31m

$263

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 10/17

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

Mon 10/20

8:45 am-10:16 am

Nonstop1h 31m

$271

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 10/25

6:05 am-11:20 am

1 stop5h 15m

Toronto Pearson Intl

Tue 11/18

6:00 am-11:31 am

1 stop5h 31m

$287

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 11/2

5:00 am-1:45 pm

1 stop8h 45m

Toronto Pearson Intl

Fri 11/7

6:00 am-10:06 am

1 stop4h 06m

$298

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 10/25

6:00 am-12:02 pm

1 stop6h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

12:55 pm-6:59 pm

1 stop6h 04m

$349

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 10/25

9:40 am-1:35 pm

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

6:40 pm-6:33 pm

1 stop23h 53m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

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 $219. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from Maryland during April instead. Flights to Region of Ontario in April, while not as cheap as those in June, still average around $264.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Monday is the cheapest day to fly to Region of Ontario from Maryland. The lowest ticket price found for a Monday departure recently was $1,106. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Maryland to Region of Ontario on a Saturday will generally be more expensive and average around $1,201. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from Maryland to Region of Ontario at noon for as low as $273. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,345.

What is the cheapest Maryland to Ontario flight route?

Fly from Baltimore/Washington to Toronto Pearson Intl for the best Maryland - Ontario flight prices

How far in advance should I book a flight to Region of 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 $330 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 $250 on momondo.

What cabin class options are available on Maryland to Ontario flights?

There are 3 cabin classes available to choose from on Maryland to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Best Price Found

$1,036

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Region of Ontario

2 airports
The best flight deal from Maryland to Region of Ontario found on momondo in the last 72 hours is $1,036
The fastest flight from Maryland to Region of Ontario takes 1h 28m
Direct flights go from Maryland to Region of Ontario every day.
There are 2 airports near Region of Ontario: Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
Search flight deals

  • 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?

  • 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.

  • What is the most popular plane model from Maryland to Region of Ontario?

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
Porter AirlinesPriceFrom $152Free CancellationRating
7.9
368 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $187Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $212Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $242Free CancellationRating
7.9
7,974 reviews
Search Delta flights
WestJetPriceFrom $349Free CancellationRating
7.2
3,105 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.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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