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Cheap flights from Maryland to Ontario from C$ 104

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
6 Aug — 13 Aug1
1 adult

Cheap flight deals from Maryland to Ontario

Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated 1 August 2025.

Round-trip from

C$ 263

One-way from

C$ 104

Popular in

November

Cheapest in

June

Average price

C$ 421
Porter Airlines
  • Porter Airlines
  • 4/9-7/9
  • Nonstop
  • 3h 04m total
  • Maryland to Ontario
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Porter Airlines
  • Porter Airlines
  • 18/9
  • Nonstop
  • 1h 33m total
  • Maryland to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Maryland to Ontario

Cheapest flights from Maryland to Ontario
Explore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Do 4/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
So 7/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 31/7C$ 263
Do 4/96:00 a.m.DCA - YYZ
1 stop5h 39mAir Canada
So 7/96:30 a.m.YYZ - DCA
1 stop5h 38mAir Canada
Deal found 30/7C$ 293
Mi 3/910:20 a.m.IAD - YYZ
Nonstop1h 32mAir Canada
Di 21/1012:10 p.m.YYZ - IAD
Nonstop1h 28mAir Canada
Deal found 29/7C$ 300
Sa 13/98:16 p.m.BWI - YYZ
1 stop17h 49mMultiple Airlines
Sa 20/96:30 a.m.YYZ - BWI
1 stop8h 17mMultiple Airlines
Deal found 30/7C$ 302
Di 2/94:20 p.m.IAD - YTZ
Nonstop1h 33mMultiple Airlines
Do 4/91:35 p.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 30/7C$ 331
Mi 3/95:30 p.m.DCA - YYZ
1 stop5h 28mDelta
Fr 24/103:35 p.m.YYZ - DCA
1 stop7h 23mDelta
Deal found 29/7C$ 335
Mi 3/96:00 a.m.IAD - YYZ
1 stop7h 32mDelta
Sa 25/109:45 a.m.YYZ - IAD
1 stop6h 44mDelta
Deal found 29/7C$ 335
Di 19/89:35 a.m.IAD - YTZ
1 stop5h 11mAir Canada
Fr 29/83:25 p.m.YTZ - IAD
1 stop5h 36mAir Canada
Deal found 29/7C$ 342
So 21/912:41 p.m.IAD - YYZ
Nonstop1h 38mUnited Airlines
So 21/96:00 p.m.YYZ - IAD
1 stop4h 39mUnited Airlines
Deal found 31/7C$ 352
Sa 13/94:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Sa 20/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 28/7C$ 363
Do 11/92:54 p.m.DCA - YYZ
Nonstop1h 39mAmerican Airlines
Sa 20/95:17 p.m.YYZ - DCA
Nonstop1h 42mAmerican Airlines
Deal found 30/7C$ 363
Do 11/910:20 a.m.IAD - YUL
1 stop11h 21mMultiple Airlines
Mo 15/910:45 a.m.YUL - IAD
1 stop4h 21mMultiple Airlines
Deal found 29/7C$ 364

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to 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, Cheapflights users made 629,999 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Maryland

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Do 4/9

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

Nonstop1h 33m

Toronto Island

So 7/9

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

Nonstop1h 31m

C$ 263

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Do 4/9

6:00 a.m.-10:39 a.m.

1 stop4h 39m

Toronto Pearson Intl

So 7/9

8:00 a.m.-12:08 p.m.

1 stop4h 08m

C$ 266

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mi 3/9

2:25 p.m.-3:57 p.m.

Nonstop1h 32m

Toronto Pearson Intl

Sa 25/10

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

Nonstop1h 28m

C$ 300

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sa 13/9

8:16 p.m.-2:05 p.m.

1 stop17h 49m

Toronto Pearson Intl

Sa 20/9

6:30 a.m.-2:47 p.m.

1 stop8h 17m

C$ 302

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mi 27/8

9:35 a.m.-2:46 p.m.

1 stop5h 11m

Toronto Island

Fr 29/8

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

Nonstop1h 31m

C$ 302

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mi 3/9

5:30 p.m.-10:58 p.m.

1 stop5h 28m

Toronto Pearson Intl

Fr 24/10

3:35 p.m.-10:58 p.m.

1 stop7h 23m

C$ 335

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mi 3/9

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

1 stop4h 43m

Toronto Pearson Intl

Do 23/10

6:00 a.m.-11:57 a.m.

1 stop5h 57m

C$ 335

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Di 19/8

9:35 a.m.-2:46 p.m.

1 stop5h 11m

Toronto Island

Fr 29/8

3:25 p.m.-9:01 p.m.

1 stop5h 36m

C$ 342

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

So 21/9

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

Nonstop1h 38m

Toronto Pearson Intl

So 21/9

6:00 p.m.-10:39 p.m.

1 stop4h 39m

C$ 352

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sa 13/9

4:20 p.m.-8:10 p.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sa 20/9

10:45 a.m.-3:06 p.m.

1 stop4h 21m

C$ 363

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 Maryland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Maryland 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 Maryland to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of C$ 167). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Maryland to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 1 August 2025.
Read through reviews of airlines operating flights from Maryland to Ontario, such as Porter Airlines,Delta, andAir Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

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

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Food

7.6

Overall

8.0

Crew

8.7

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 Maryland to Ontario. 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 Maryland to Region of Ontario one-way?

    One-way options have recently been found by users for as low as C$ 104 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 116 and Air Transat from C$ 122 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to Ontario 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 Maryland to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of C$ 167). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Maryland to Ontario

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

Discover the top airline that operate flights from Maryland to Ontario. 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 1 August 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 471AverageC$ 635FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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

Need flexible booking options for your flight to Ontario from Maryland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Maryland to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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