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Cheap flights from Ontario to Maryland from C$ 183

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Maryland

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Maryland
Explore the most affordable flight options available from Ontario to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.

Fri 10/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Fri 17/73:55 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 10/6C$ 289
Sat 18/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Sat 25/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 15/6C$ 291
Thu 9/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Sun 12/73:55 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 15/6C$ 292
Thu 2/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Mon 6/73:55 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 11/6C$ 294
Fri 3/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Tue 7/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 13/6C$ 295
Wed 29/71:40 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Wed 5/83:50 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 14/6C$ 296
Tue 30/69:15 a.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Sun 12/73:55 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 14/6C$ 298
Thu 25/69:15 a.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Tue 30/64:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 10/6C$ 299
Sat 4/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Mon 13/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 10/6C$ 300
Thu 2/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Sun 5/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 10/6C$ 302
Sat 4/78:55 a.m.
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Tue 14/711:05 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 10/6C$ 305
Fri 7/88:20 a.m.
YTZ
-
DCA
1 stop3h 40m
Air Canada
Sun 9/812:40 p.m.
DCA
-
YTZ
1 stop5h 40m
Air Canada
Deal found 14/6C$ 326

Find flight deals from Ontario to Maryland

Keep the following information in mind while searching for Ontario to Maryland flight deals. Data was last updated 15 June 2026.

Round-trip from

C$ 289

One-way from

C$ 183

Popular in

March

Cheapest in

October

Average price

C$ 393
Porter Airlines
  • Porter Airlines
  • 10/7-17/7
  • Nonstop
  • 3h 01m total
  • Ontario to Maryland
Search Deals
Porter Airlines
  • Porter Airlines
  • 8/7
  • Nonstop
  • 1h 30m total
  • Ontario to Maryland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Maryland 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, Cheapflights users made 629,999 searches. Data last updated 15 June 2026.
Use the filters below to find and compare flights from Ontario to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 18/7

1:40 p.m.-3:11 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 20/7

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

C$ 305
Quickest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 16/7

8:55 a.m.-10:25 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 19/7

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

C$ 305

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 2/7

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

1 stop3h 40m

Washington, D.C. Reagan-National

Mon 6/7

12:40 p.m.-6:20 p.m.

1 stop5h 40m

C$ 328

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 11/7

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

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 12/7

6:00 a.m.-11:51 a.m.

1 stop5h 51m

C$ 351

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 10/7

9:35 a.m.-11:11 a.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 13/7

9:55 a.m.-11:25 a.m.

Nonstop1h 30m

C$ 352

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 16/7

7:10 a.m.-12:00 p.m.

1 stop4h 50m

Washington, D.C. Reagan-National

Mon 20/7

12:40 p.m.-5:08 p.m.

1 stop4h 28m

C$ 368

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 15/10

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

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 1/11

11:00 a.m.-3:55 p.m.

1 stop4h 55m

C$ 376

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 8/7

9:30 a.m.-3:38 p.m.

1 stop6h 08m

Washington, D.C. Reagan-National

Sat 11/7

12:40 p.m.-6:20 p.m.

1 stop5h 40m

C$ 379

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 10/7

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

1 stop3h 40m

Washington, D.C. Reagan-National

Tue 14/7

9:40 a.m.-2:21 p.m.

1 stop4h 41m

C$ 379

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 4/7

5:45 p.m.-8:54 a.m.

1 stop15h 09m

Washington, D.C. Reagan-National

Mon 13/7

12:40 p.m.-7:12 p.m.

1 stop6h 32m

C$ 380

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Ontario to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Maryland

What is the cheapest month to book a flight from Region of Ontario to Maryland?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 191). Flying from Region of Ontario to Maryland in April is currently the most expensive (average of C$ 602). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Region of Ontario to Maryland?

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated 15 June 2026.
See what other customers who have flown with Porter Airlines,Delta, andUnited Airlines from Ontario to Maryland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
438 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Delta
7.9
Good
8,395 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,830 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,362 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,194 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.6

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Porter Airlines, Air Canada, and United Airlines fly from Region of Ontario to Maryland in about 1h 31m. The time it takes to get you to your destination can typically vary by up to 2h 09m. The distance from Region of Ontario to Maryland is about 546 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Maryland that include hotel bookings?

    Yes. In addition to deals on Ontario to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Maryland.

  • Can I find deals for business class flights from Ontario to Maryland?

    Yes. Cheapflights offers flight deals from Ontario to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Maryland?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 191). Flying from Region of Ontario to Maryland in April is currently the most expensive (average of C$ 602). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Maryland

Discover the top 5 airlines that operate flights from Ontario to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 242AverageC$ 291FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 312AverageC$ 379FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 354AverageC$ 552FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 436AverageC$ 860FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 647AverageC$ 787FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Maryland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Maryland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Maryland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Maryland.

Can Cheapflights find flights from Ontario to Maryland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Maryland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Maryland become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Maryland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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