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Cheap flights from Maryland to Ontario from C$ 111

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
22 Apr — 29 Apr1
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 17 April 2025.

Round-trip from

C$ 248

One-way from

C$ 111

Popular in

August

Cheapest in

April

Average price

C$ 372
Air Transat
  • Air Transat
  • 3/5-6/5
  • Nonstop
  • 3h 04m total
  • Maryland to Ontario
Search Deals
APG Airlines
  • APG Airlines
  • 8/5
  • Nonstop
  • 1h 33m total
  • Maryland to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Sat 3/54:20 p.m.IAD - YTZ
Nonstop1h 33mMultiple Airlines
Tue 6/51:35 p.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 17/4C$ 248
Sat 31/512:55 p.m.DCA - YYZ
1 stop4h 05mAir Canada
Sat 7/611:00 a.m.YYZ - DCA
1 stop4h 49mAir Canada
Deal found 16/4C$ 248
Thu 1/58:17 a.m.IAD - YYZ
1 stop4h 43mAir Canada
Sun 4/56:15 a.m.YYZ - IAD
1 stop4h 59mAir Canada
Deal found 17/4C$ 248
Mon 16/611:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Sun 22/68:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 17/4C$ 251
Fri 2/59:45 a.m.IAD - YTZ
1 stop7h 05mAir Canada
Mon 5/57:25 a.m.YTZ - IAD
1 stop5h 49mAir Canada
Deal found 16/4C$ 268
Tue 6/510:00 a.m.DCA - YYZ
Nonstop1h 55mAmerican Airlines
Fri 9/55:29 p.m.YYZ - DCA
Nonstop1h 40mAmerican Airlines
Deal found 17/4C$ 279
Thu 29/511:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Mon 2/610:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 16/4C$ 305
Sat 31/54:20 p.m.IAD - YUL
1 stop3h 50mMultiple Airlines
Sat 7/69:15 a.m.YUL - IAD
Nonstop1h 59mMultiple Airlines
Deal found 16/4C$ 312
Mon 2/65:00 p.m.DCA - YYZ
1 stop6h 06mDelta
Fri 6/66:03 a.m.YYZ - DCA
1 stop4h 12mDelta
Deal found 16/4C$ 323
Sun 11/59:52 a.m.IAD - YYZ
1 stop7h 23mDelta
Mon 12/56:05 p.m.YYZ - IAD
1 stop4h 49mDelta
Deal found 17/4C$ 323
Fri 9/56:59 a.m.DCA - YYZ
Nonstop1h 33mMultiple Airlines
Sun 11/57:20 a.m.YYZ - DCA
Nonstop1h 33mMultiple Airlines
Deal found 17/4C$ 324
Sat 17/54:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Sun 18/51:35 p.m.YTZ - IAD
Nonstop1h 31mAir Transat
Deal found 17/4C$ 330

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 17 April 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

Sat 3/5

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

Nonstop1h 33m

Toronto Island

Tue 6/5

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

C$ 248

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 31/5

12:55 p.m.-5:00 p.m.

1 stop4h 05m

Toronto Pearson Intl

Sat 7/6

11:00 a.m.-3:49 p.m.

1 stop4h 49m

C$ 248

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 3/5

9:45 a.m.-2:34 p.m.

1 stop4h 49m

Toronto Pearson Intl

Tue 6/5

3:00 p.m.-9:08 p.m.

1 stop6h 08m

C$ 248

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 16/6

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

Toronto Island

Sun 22/6

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

Nonstop1h 31m

C$ 251

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 2/5

9:45 a.m.-4:50 p.m.

1 stop7h 05m

Toronto Island

Mon 5/5

7:25 a.m.-1:14 p.m.

1 stop5h 49m

C$ 268

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 6/5

10:00 a.m.-11:55 a.m.

Nonstop1h 55m

Toronto Pearson Intl

Fri 9/5

5:29 p.m.-7:09 p.m.

Nonstop1h 40m

C$ 279

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 29/5

11:35 a.m.-4:00 p.m.

1 stop4h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

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

1 stop4h 21m

C$ 305

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 31/5

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

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

9:15 a.m.-11:14 a.m.

Nonstop1h 59m

C$ 312

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 2/6

5:00 p.m.-11:06 p.m.

1 stop6h 06m

Toronto Pearson Intl

Fri 6/6

6:03 a.m.-10:15 a.m.

1 stop4h 12m

C$ 323

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/6

1:00 p.m.-5:15 p.m.

1 stop4h 15m

Toronto Pearson Intl

Tue 10/6

10:11 a.m.-4:44 p.m.

1 stop6h 33m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

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.

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

Find hourly flight availability from Maryland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 17 April 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and KLM from Maryland to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
281 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding 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$ 111 on APG Airlines. Other airlines that offer cheap prices include Air Canada from C$ 112 and Porter Airlines from C$ 114 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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 472AverageC$ 621FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Maryland to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Maryland to Ontario for you. Better yet — we are completely free to use.

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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