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Cheap flights from Ontario to Maryland from C$ 162

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Ontario to Maryland

Keep the following information in mind while searching for Ontario to Maryland flight deals. Data was last updated 31 July 2025.

Round-trip from

C$ 227

One-way from

C$ 162

Popular in

June

Cheapest in

April

Average price

C$ 400
Porter Airlines
  • Porter Airlines
  • 12/9-20/9
  • Nonstop
  • 3h 04m total
  • Ontario to Maryland
Search Deals
Porter Airlines
  • Porter Airlines
  • 21/8
  • Nonstop
  • 1h 31m total
  • Ontario to Maryland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Ontario to Maryland

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 31 July 2025.

Fri 12/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sat 20/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 29/7C$ 227
Sat 6/129:00 p.m.YYZ - DCA
Nonstop1h 35mAir Canada
Sun 7/126:59 a.m.DCA - YYZ
Nonstop1h 36mAir Canada
Deal found 29/7C$ 256
Fri 19/912:10 p.m.YYZ - IAD
Nonstop1h 28mAir Canada
Mon 22/92:25 p.m.IAD - YYZ
Nonstop1h 32mAir Canada
Deal found 29/7C$ 256
Thu 4/98:45 a.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Sun 7/99:45 a.m.IAD - YTZ
1 stop5h 00mMultiple Airlines
Deal found 29/7C$ 280
Sat 30/81:25 p.m.YTZ - IAD
Nonstop1h 31mAir Transat
Tue 2/94:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Deal found 29/7C$ 285
Tue 9/1211:00 a.m.YYZ - DCA
Nonstop1h 45mAmerican Airlines
Wed 10/126:00 a.m.DCA - YYZ
1 stop4h 45mAmerican Airlines
Deal found 31/7C$ 296
Sat 13/93:25 p.m.YTZ - IAD
1 stop5h 40mAir Canada
Wed 24/99:35 a.m.IAD - YTZ
1 stop7h 10mAir Canada
Deal found 31/7C$ 309
Sat 13/910:05 a.m.YYZ - IAD
Nonstop1h 40mUnited Airlines
Sat 20/912:41 p.m.IAD - YYZ
Nonstop1h 38mUnited Airlines
Deal found 30/7C$ 313
Wed 27/86:04 a.m.YYZ - IAD
1 stop5h 58mDelta
Wed 3/96:15 p.m.IAD - YYZ
1 stop4h 43mDelta
Deal found 29/7C$ 316
Thu 4/99:00 a.m.YYZ - DCA
1 stop5h 16mMultiple Airlines
Sun 7/96:59 a.m.DCA - YYZ
Nonstop1h 32mMultiple Airlines
Deal found 29/7C$ 325
Sat 13/96:30 a.m.YYZ - BWI
1 stop16h 55mMultiple Airlines
Sat 20/98:16 p.m.BWI - YYZ
1 stop17h 49mMultiple Airlines
Deal found 30/7C$ 327
Thu 25/95:00 a.m.YUL - IAD
1 stop4h 38mMultiple Airlines
Fri 26/94:20 p.m.IAD - YUL
1 stop3h 50mMultiple Airlines
Deal found 29/7C$ 342

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 31 July 2025.
Use the filters below to find and compare flights from Ontario to Maryland that are best for you.

Fly from

Ontario

Fly to

Maryland

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 12/9

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 20/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 227

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 6/12

9:00 p.m.-10:35 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 7/12

6:59 a.m.-8:35 a.m.

Nonstop1h 36m

C$ 256

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 19/9

12:10 p.m.-1:38 p.m.

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 21/9

10:20 a.m.-11:52 a.m.

Nonstop1h 32m

C$ 256

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 30/8

1:25 p.m.-2:56 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 2/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 285

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 9/12

11:00 a.m.-12:45 p.m.

Nonstop1h 45m

Washington, D.C. Reagan-National

Wed 10/12

6:00 a.m.-10:45 a.m.

1 stop4h 45m

C$ 296

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 13/9

3:25 p.m.-9:05 p.m.

1 stop5h 40m

Washington, D.C. Dulles Intl

Sat 20/9

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 300

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 13/9

3:25 p.m.-9:05 p.m.

1 stop5h 40m

Washington, D.C. Dulles Intl

Wed 24/9

9:35 a.m.-4:45 p.m.

1 stop7h 10m

C$ 309

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 13/9

10:05 a.m.-11:45 a.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 20/9

12:41 p.m.-2:19 p.m.

Nonstop1h 38m

C$ 313

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 27/8

6:04 a.m.-12:02 p.m.

1 stop5h 58m

Washington, D.C. Dulles Intl

Wed 3/9

6:15 p.m.-10:58 p.m.

1 stop4h 43m

C$ 316

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 4/9

9:00 a.m.-2:16 p.m.

1 stop5h 16m

Washington, D.C. Reagan-National

Sun 7/9

6:59 a.m.-8:31 a.m.

Nonstop1h 32m

C$ 325

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 327). Flying from Region of Ontario to Maryland in June is currently the most expensive (average of C$ 398). 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.

What is the cheapest time of day to fly from ON to MD?

Find hourly flight availability from Ontario to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

When flying from Region of Ontario to Maryland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 31 July 2025.
See what other customers who have flown with Porter Airlines,Delta, andAir Transat 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
318 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,981 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What are the cheapest airlines to fly from Region of Ontario to Maryland one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 162. Users have also found prices from C$ 163 and C$ 183 on Air Canada and American Airlines, respectively.

  • 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, February is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 327). Flying from Region of Ontario to Maryland in June is currently the most expensive (average of C$ 398). 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 200AverageC$ 331FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 248AverageC$ 378FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 311AverageC$ 372FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 350AverageC$ 858FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 395AverageC$ 545FlexibilityNo 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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