Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ontario to Maryland from C$ 176

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 30 October 2025.

Round-trip from

C$ 263

One-way from

C$ 176

Popular in

June

Cheapest in

April

Average price

C$ 341
Porter Airlines
  • Porter Airlines
  • 5/12-8/12
  • Nonstop
  • 2h 59m total
  • Ontario to Maryland
Search Deals
Air Transat
  • Air Transat
  • 22/11
  • Nonstop
  • 1h 29m total
  • Ontario to Maryland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 30 October 2025.

Fri 5/123:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 8/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 263
Fri 28/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 5/126:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 264
Sat 22/1111:00 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 2/126:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 28/10C$ 265
Fri 5/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 7/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 268
Thu 20/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 24/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 270
Fri 21/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 23/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 271
Thu 27/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 4/126:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 28/10C$ 272
Wed 12/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 3/126:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 289
Mon 17/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 21/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 29/10C$ 293
Thu 20/116:10 p.m.YYZ - DCA
Nonstop1h 35mAir Canada
Sun 23/116:59 a.m.DCA - YYZ
Nonstop1h 36mAir Canada
Deal found 28/10C$ 295
Sun 14/128:00 p.m.YYZ - BWI
1 stop11h 42mMultiple Airlines
Wed 14/19:37 p.m.BWI - YYZ
1 stop16h 43mMultiple Airlines
Deal found 30/10C$ 297
Sun 14/128:15 a.m.YYZ - DCA
1 stop4h 04mAir Canada
Sun 21/126:00 a.m.DCA - YYZ
1 stop4h 49mAir Canada
Deal found 30/10C$ 297

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 30 October 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

Sat 22/11

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 2/12

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 265

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 13/11

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 21/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 289

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 27/11

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 4/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 290

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 13/11

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 16/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 303

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 14/11

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 15/11

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

C$ 310

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 18/12

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 11/1

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 324

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 22/11

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 23/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 331

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 18/2

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 21/2

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

C$ 332

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 27/2

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 28/2

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

C$ 332

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 22/11

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 23/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 337

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 60 results
1
2
3
...
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, April is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 98). Flying from Region of Ontario to Maryland in November is currently the most expensive (average of C$ 406). 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 30 October 2025.

One of the essential ways to save on airfare from Region of Ontario to Maryland is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.

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 30 October 2025.
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
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Delta
7.9
Good
7,993 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,149 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,377 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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, Delta, and Air Canada fly from Region of Ontario to Maryland in about 1h 29m. The time it takes to get you to your destination can typically vary by up to 2h 39m. The distance from Region of Ontario to Maryland is about 546 km. This flight may include one or multiple stops.

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

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as C$ 176. Users have also found prices from C$ 177 and C$ 179 on Air Canada and Porter 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, April is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 98). Flying from Region of Ontario to Maryland in November is currently the most expensive (average of C$ 406). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Toronto Island to Newark flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Miami flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Orlando flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Vancouver Intl to Newark flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to San Francisco flights
Pearson Intl to Hobby flights
Toronto Island to Fort Lauderdale flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to Tampa flights
Toronto Island to Orlando flights
Vancouver Intl to Honolulu flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to O'Hare Intl flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Miami flights
Vancouver Intl to San Francisco flights
Vancouver Intl to Miami flights
Calgary to Las Vegas flights
Pearson Intl to Fort Myers flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Seattle flights
Pearson Intl to Boston flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Atlanta flights
Pearson Intl to Dulles Intl flights
Vancouver Intl to Fort Lauderdale flights
Vancouver Intl to Palm Springs flights
Pearson Intl to Nashville flights
Vancouver Intl to San Diego flights
Vancouver Intl to Sky Harbor Intl flights
Hamilton to Fort Lauderdale flights
Calgary to Newark flights

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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 202AverageC$ 338FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 242AverageC$ 355FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 313AverageC$ 374FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 354AverageC$ 780FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 391AverageC$ 601FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.