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Cheap flights from Ontario to Maryland from C$ 135

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
14 Jan — 21 Jan1
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 December 2025.

Wed 31/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 5/111:35 a.m.IAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 14/12C$ 307
Sun 28/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 31/1211:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 14/12C$ 347
Wed 31/125:19 p.m.YYZ - DCA
Nonstop1h 45mAmerican Airlines
Sat 31/110:12 a.m.DCA - YYZ
Nonstop1h 47mAmerican Airlines
Deal found 15/12C$ 348
Tue 30/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 2/111:35 a.m.IAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 14/12C$ 348
Sat 27/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 4/16:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/12C$ 350
Wed 31/128:55 a.m.YTZ - IAD
Nonstop1h 29mAir Transat
Sun 4/16:30 p.m.IAD - YTZ
Nonstop1h 30mAir Transat
Deal found 14/12C$ 352
Tue 30/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 18/111:35 a.m.IAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 12/12C$ 365
Wed 31/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Mon 5/16:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Deal found 14/12C$ 370
Tue 30/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Fri 2/111:35 a.m.IAD - YUL
1 stop4h 55mPorter Airlines
Deal found 13/12C$ 375
Wed 31/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 3/16:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/12C$ 381
Sat 27/128:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 2/111:35 a.m.IAD - YTZ
Nonstop1h 34mPorter Airlines
Deal found 13/12C$ 388
Mon 29/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Fri 2/111:35 a.m.IAD - YUL
1 stop4h 55mPorter Airlines
Deal found 13/12C$ 392

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 December 2025.

Round-trip from

C$ 275

One-way from

C$ 135

Popular in

June

Cheapest in

October

Average price

C$ 372
Porter Airlines
  • Porter Airlines
  • 12/1-19/1
  • Nonstop
  • 3h 03m total
  • Ontario to Maryland
Search Deals
9/1
  • 9/1
  • 3 total stops
  • 31h 46m total
  • Ontario to Maryland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 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

Mon 12/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 19/1

11:35 a.m.-1:09 p.m.

Nonstop1h 34m

C$ 275

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 10/4

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/4

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

Nonstop1h 30m

C$ 282

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 26/3

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 30/3

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

Nonstop1h 30m

C$ 282

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 9/4

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 16/4

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

Nonstop1h 30m

C$ 295

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 19/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 9/2

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

Nonstop1h 30m

C$ 295

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 19/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 11/2

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

Nonstop1h 30m

C$ 295

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 21/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 11/2

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

Nonstop1h 30m

C$ 295

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 8/1

7:10 a.m.-12:19 p.m.

1 stop5h 09m

Washington, D.C. Reagan-National

Mon 12/1

6:00 a.m.-10:49 a.m.

1 stop4h 49m

C$ 296

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 27/1

3:30 p.m.-8:54 p.m.

1 stop5h 24m

Washington, D.C. Dulles Intl

Tue 3/2

9:45 a.m.-3:55 p.m.

1 stop6h 10m

C$ 296

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 5/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 12/1

11:35 a.m.-1:09 p.m.

Nonstop1h 34m

C$ 297

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

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, April is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 101). Flying from Region of Ontario to Maryland in November is currently the most expensive (average of C$ 571). 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 15 December 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 38% on airfare.

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 December 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
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,008 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,092 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,202 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,525 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Crew

8.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 Delta 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 3h 40m. 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, April is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of C$ 101). Flying from Region of Ontario to Maryland in November is currently the most expensive (average of C$ 571). 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

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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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 238AverageC$ 327FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 238AverageC$ 332FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 309AverageC$ 370FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 349AverageC$ 829FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 385AverageC$ 625FlexibilityNo 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.

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