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Cheap flights from Maryland to Ontario from C$ 126

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
2 Apr — 9 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 28 March 2025.

Round-trip from

C$ 257

One-way from

C$ 126

Popular in

August

Cheapest in

April

Average price

C$ 465
United Airlines
  • United Airlines
  • 29/5-29/5
  • 1 total stop
  • 4h 36m total
  • Maryland to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 16/5
  • Nonstop
  • 1h 33m total
  • Maryland to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 6 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 March 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 28 March 2025.

Thu 29/52:25 p.m.IAD - YYZ
Nonstop1h 34mUnited Airlines
Thu 29/56:20 p.m.YYZ - IAD
1 stop3h 02mUnited Airlines
Deal found 27/3C$ 257
Mon 12/511:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Sun 8/68:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 27/3C$ 259
Sun 1/66:00 a.m.DCA - YYZ
1 stop4h 39mAir Canada
Sat 7/68:10 a.m.YYZ - DCA
1 stop3h 51mAir Canada
Deal found 27/3C$ 263
Wed 14/511:00 a.m.DCA - YYZ
Nonstop1h 33mUnited Airlines
Fri 6/64:30 p.m.YYZ - DCA
Nonstop1h 33mUnited Airlines
Deal found 27/3C$ 267
Sun 11/58:25 a.m.IAD - YYZ
Nonstop1h 39mAir Canada
Sat 17/512:30 a.m.YYZ - IAD
1 stop11h 03mAir Canada
Deal found 27/3C$ 269
Sun 11/511:35 a.m.IAD - YUL
1 stop4h 25mMultiple Airlines
Sun 18/59:15 a.m.YUL - IAD
1 stop4h 26mMultiple Airlines
Deal found 27/3C$ 270
Sat 19/44:07 p.m.IAD - YTZ
1 stop5h 28mAir Canada
Tue 22/44:20 p.m.YTZ - IAD
1 stop4h 55mAir Canada
Deal found 26/3C$ 273
Wed 14/56:59 a.m.DCA - YYZ
Nonstop1h 33mMultiple Airlines
Sat 7/65:00 p.m.YYZ - DCA
1 stop4h 53mMultiple Airlines
Deal found 27/3C$ 276
Wed 14/58:25 a.m.IAD - YYZ
Nonstop1h 39mMultiple Airlines
Sat 7/64:00 p.m.YYZ - IAD
1 stop5h 04mMultiple Airlines
Deal found 27/3C$ 276
Thu 24/47:00 a.m.IAD - YUL
1 stop4h 15mPorter Airlines
Sun 27/46:40 p.m.YUL - IAD
1 stop3h 44mPorter Airlines
Deal found 27/3C$ 280
Thu 12/64:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Sun 15/61:35 p.m.YTZ - IAD
Nonstop1h 31mAir Transat
Deal found 27/3C$ 289
Fri 27/64:20 p.m.IAD - YTZ
Nonstop1h 33mMultiple Airlines
Wed 2/71:35 p.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 27/3C$ 292

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 28 March 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 - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 29/5

2:25 p.m.-3:59 p.m.

Nonstop1h 34m

Toronto Pearson Intl

Thu 29/5

6:20 p.m.-9:22 p.m.

1 stop3h 02m

C$ 257

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 12/5

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

Nonstop1h 33m

Toronto Island

Sun 8/6

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

Nonstop1h 31m

C$ 259

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sun 1/6

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

1 stop4h 39m

Toronto Pearson Intl

Sat 7/6

8:10 a.m.-12:01 p.m.

1 stop3h 51m

C$ 263

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 14/5

11:00 a.m.-12:33 p.m.

Nonstop1h 33m

Toronto Pearson Intl

Fri 6/6

4:30 p.m.-6:03 p.m.

Nonstop1h 33m

C$ 267

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 11/5

8:25 a.m.-10:04 a.m.

Nonstop1h 39m

Toronto Pearson Intl

Sat 17/5

12:30 a.m.-11:33 a.m.

1 stop11h 03m

C$ 269

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 11/5

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

1 stop4h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

9:15 a.m.-1:41 p.m.

1 stop4h 26m

C$ 270

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 19/4

4:07 p.m.-9:35 p.m.

1 stop5h 28m

Toronto Island

Tue 22/4

4:20 p.m.-9:15 p.m.

1 stop4h 55m

C$ 273

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 14/5

6:59 a.m.-8:32 a.m.

Nonstop1h 33m

Toronto Pearson Intl

Fri 23/5

9:00 a.m.-3:49 p.m.

1 stop6h 49m

C$ 276

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 14/5

8:25 a.m.-10:04 a.m.

Nonstop1h 39m

Toronto Pearson Intl

Sat 7/6

4:00 p.m.-9:04 p.m.

1 stop5h 04m

C$ 276

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 24/4

7:00 a.m.-11:15 a.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 27/4

6:40 p.m.-10:24 p.m.

1 stop3h 44m

C$ 280

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

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 28 March 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 28 March 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
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
7.9
Good
276 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
381 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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$ 126 on Porter Airlines. Other airlines that offer cheap prices include Delta from C$ 127 and Air Canada from C$ 129 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

Browse thousands of different options on Cheapflights for your next trip

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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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 487AverageC$ 652FlexibilityNo 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 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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